FINTECH GROWTH AND SMALL BUSINESS ACCESS TO CAPITAL IN UNDERSERVED MARKETS IN NIGERIA

Volume-07 Issue 12, December-2023 ISSN: 2456-9348 Impact Factor: 6.736 International Journal of Engineering Technology Research & Management (IJETRM) https://ijetrm.com/ IJETRM (http://ijetrm.com/) [629] FINTECH GROWTH AND SMALL BUSINESS ACCESS TO CAPITAL IN UNDERSERVED MARKETS IN NIGERIA Luqmon O. Oladele Department of Economics, Rutgers University, New Brunswick, NJ, United States Shakirat Anifowoshe Columbia Business School, Columbia University, New York, United States ABSTRACT Introduction: Access to capital remains a major constraint facing small businesses in underserved markets in Nigeria, limiting their growth potential and contribution to inclusive economic development. The rapid growth of financial technology (fintech) has introduced alternative financing channels that leverage digital platforms, mobile payments, and data-driven credit assessment to expand financial inclusion. Despite Nigeria’s expanding fintech ecosystem, empirical evidence on the extent to which fintech growth improves small business access to capital in underserved markets remains fragmented. This study addresses this gap by systematically examining existing empirical literature on fintech growth and small business access to capital in Nigeria. Materials and Methods: The study adopts a systematic literature review approach guided by the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) framework. Empirical studies published between 2010 and 2023 were identified from databases including Scopus, Academia, ResearchGate, Web of Science, and Google Scholar. Relevant studies were screened and selected based on predefined inclusion and exclusion criteria. Data were extracted and analyzed using thematic synthesis to identify dominant fintech models, mechanisms of impact, and contextual factors influencing access to capital for small businesses in underserved Nigerian markets. Findings: The findings indicate that fintech growth has moderately improved access to capital for small businesses in underserved markets, primarily through digital payments, mobile money, and data-driven lending platforms. Fintech innovations reduce information asymmetry, lower transaction costs, and expand geographic outreach. However, access remains uneven, with limitations related to loan size, high interest rates, digital literacy gaps, and infrastructural constraints. Implications: The study has practical, policy, and theoretical implications. Practically, fintech firms and small businesses can leverage digital transaction histories to enhance credit access. From a policy perspective, enabling regulatory frameworks, digital infrastructure investment, and financial literacy initiatives are essential. Theoretically, the study extends Financial Intermediation Theory and Diffusion of Innovation Theory by contextualizing fintech-driven SME financing within underserved markets. Conclusion: The study concludes that fintech growth plays a complementary but conditional role in enhancing small business access to capital in underserved Nigerian markets. While fintech has reduced some traditional financing barriers, its full potential depends on supportive contextual, regulatory, and technological conditions. Coordinated stakeholder efforts are therefore required to maximize fintech’s contribution to inclusive SME financing in Nigeria. Keywords: Financial Technology (Fintech); Small and Medium Enterprises (SMEs); Access to Capital; Underserved Markets; Financial Inclusion; Digital Lending; PRISMA Systematic Review 1. INTRODUCTION Access to finance is widely recognized as a critical driver of small business growth, job creation, and inclusive economic development, particularly in emerging economies. In Nigeria, small businesses account for a substantial proportion of employment and contribute significantly to gross domestic product, yet their growth potential remains constrained by persistent financing gaps (Etuk et al., 2014; Taiwo and Falohun, 2016). Access to affordable and timely capital enables small firms to invest in productive assets, adopt innovations, manage risks, Volume-07 Issue 12, December-2023 ISSN: 2456-9348 Impact Factor: 6.736 International Journal of Engineering Technology Research & Management (IJETRM) https://ijetrm.com/ IJETRM (http://ijetrm.com/) [630] and scale operations (Lateefat and Bankole, 2021; Eniola and Entebang, 2015). In underserved markets such as rural areas, peri-urban communities, and informal economic clusters these constraints are even more pronounced due to weak financial infrastructure and institutional barriers (Adeyeye et al., 2020; Kebede, 20210. The rapid growth of financial technology (fintech) has introduced alternative financing channels that promise to transform small business access to capital through digital platforms, data-driven credit assessment, and reduced transaction costs (Damilola, 2022; Lawal et al., 2018). As fintech continues to expand across Nigeria, understanding its role in reshaping financing opportunities for underserved small businesses has become an issue of significant academic, policy, and practical relevance. Traditionally, small businesses in Nigeria have relied heavily on informal financing sources, including personal savings, family contributions, rotating savings schemes, and informal money lenders (Ajewole et al., 2021; Godwin and Simon, 2021). Formal financial institutions, particularly commercial banks, have historically underserved this segment due to stringent collateral requirements, high interest rates, and limited credit information on small enterprises (Ekpu, 2015; Omede, 2020). These challenges are exacerbated in underserved markets, where physical distance from bank branches, low financial literacy, and weak documentation systems further limit access to credit (Arinzeh, 2022; Anigbo, 2022). Fintech growth has altered this landscape by leveraging mobile technology, digital payment systems, peer-to-peer lending platforms, and alternative credit scoring models that rely on transaction data rather than physical collateral (Adewale et al., 2022; Obuobie, 2023). Nigeria’s fintech ecosystem, one of the fastest growing in Africa, has attracted substantial investment and regulatory attention, signalling its potential to drive financial inclusion (Ediagbonya and Tioluwani, 2023; Olatunji, 2020). However, the extent to which fintech growth has translated into meaningful access to capital for small businesses in underserved Nigerian markets remains insufficiently understood. Despite the expansion of fintech services in Nigeria, many small businesses in underserved markets continue to experience limited access to formal capital. Digital finance platforms are often concentrated in urban centers, while rural and marginalized communities face challenges related to internet connectivity, digital literacy, trust, and affordability (Mpofu, 2023; Ediagbonya and Tioluwani, 2023). Moreover, fintech credit products sometimes carry high interest rates or short repayment periods, which may constrain their usefulness for sustainable business growth (Agwu, 2021; Olanrewaju et al., 2021). Regulatory uncertainty and concerns about consumer protection further complicate fintech adoption among small business owners (Ojo and Nwaokike, 2018). These realities raise critical questions about whether fintech growth is genuinely reducing financing constraints or merely reshaping existing inequalities in access to capital. Without a clear understanding of fintech’s actual impact on underserved small businesses, stakeholders risk overestimating its contribution to inclusive development (Ogwu, 2022). This problem underscores the need for a systematic examination of empirical evidence on fintech growth and small business access to capital within Nigeria’s underserved markets. Existing empirical studies on fintech and access to finance present mixed findings, revealing an important research gap (Abbasi et al., 2021; Utami and Sitanggang,2021; Hasan et al., 2023; Girma and Huseynov, 2023). While some studies report that fintech enhances credit availability and financial inclusion for small firms, others highlight persistent exclusion due to digital divides and institutional weaknesses. Much of the literature focuses on consumer-level financial inclusion, mobile money adoption, or fintech development in advanced economies, with limited attention to small businesses operating in underserved African contexts (van Zanden, 2023; Martin and Hill, 2015). Furthermore, studies that do address small business financing often adopt narrow empirical scopes or lack contextual sensitivity to Nigeria’s diverse economic and regulatory environments (Nwani et al., 2020; Hansen-Addy, 2021). There is also a tendency to examine fintech as a homogeneous phenomenon, without distinguishing between different fintech services such as digital lending, crowdfunding, and payment platforms. These limitations create a fragmented understanding of how fintech growth interacts with small business financing constraints, particularly in underserved Nigerian markets, thereby necessitating a comprehensive synthesis of existing evidence Available evidence suggests that fintech has the potential to reduce traditional barriers to small business financing by lowering transaction costs, improving information flows, and expanding outreach beyond physical bank branches (Sharma et al., 2023; Temelkov et al., 2018; Najib et al., 2021). Digital lending platforms utilize alternative data such as mobile transactions and payment histories to assess creditworthiness, thereby mitigating information asymmetry that has historically excluded small firms from formal finance (Odunaike, 2020). Mobile money and agent banking models further enhance accessibility by embedding financial services within local communities (David-West et al., 2018). Empirical studies from developing economies indicate that such innovations can increase credit uptake, improve liquidity management, and support business resilience (Otokiti, et al., 2022; Uquillas and Simbaña, 2022; Nkundabanyanga et al., 2020). However, these benefits are not Volume-07 Issue 12, December-2023 ISSN: 2456-9348 Impact Factor: 6.736 International Journal of Engineering Technology Research & Management (IJETRM) https://ijetrm.com/ IJETRM (http://ijetrm.com/) [631] uniformly distributed, as adoption depends on factors such as digital infrastructure, user capability, and regulatory support. The Nigerian context, characterized by uneven technological penetration and institutional capacity, presents unique dynamics that warrant closer examination. Synthesizing this body of evidence is essential for distinguishing between fintech’s theoretical promise and its practical outcomes for underserved small businesses. Notwithstanding growing empirical interest, a critical gap remains in systematically assessing how fintech growth influences small business access to capital across different underserved contexts within Nigeria. Many studies rely on single datasets, limited timeframes, or isolated geographic locations, reducing their generalizability. There is also limited integration of findings across studies to identify consistent patterns, mechanisms, and moderating factors. In particular, the role of regulatory frameworks, digital literacy, and infrastructural constraints in shaping fintech effectiveness remains underexplored. Without a structured synthesis of empirical evidence, it is difficult to determine whether fintech growth represents a sustainable solution to small business financing challenges or a complementary tool with conditional effectiveness. Addressing this gap requires a methodologically rigorous review that consolidates findings across time, methods, and contexts to provide a clearer understanding of fintech’s role in expanding access to capital for underserved Nigerian small businesses. The Nigerian context provides a compelling setting for examining fintech growth and small business access to capital due to its large unbanked population, regional disparities, and rapidly evolving digital finance ecosystem. Underserved markets in Nigeria are shaped by socio-economic inequalities, infrastructural deficits, and institutional constraints that influence financial behaviour and technology adoption (Ediagbonya and Tioluwani, 2023). While national policies increasingly promote fintech as a tool for financial inclusion, implementation outcomes vary widely across regions and business types. Small businesses in rural and informal settings often operate outside formal regulatory frameworks, affecting their interaction with fintech platforms (Olatunji, 2020). Cultural norms, trust in digital systems, and education levels further shape adoption patterns. These contextual factors highlight the importance of situating fintech analysis within Nigeria’s specific socio-economic environment rather than extrapolating from global trends. A focused examination of empirical evidence within this local context is therefore necessary to generate insights that are both academically robust and policy relevant. Against this background, the present study aims to systematically review and synthesize empirical literature on fintech growth and small business access to capital in underserved markets in Nigeria between 2010 and 2023. By adopting a PRISMA-guided systematic review approach, the study seeks to identify dominant fintech models, assess their impact on access to capital, and examine the mechanisms and contextual factors influencing outcomes. The study also aims to clarify inconsistencies in existing findings and contribute to theory by situating fintech within financial intermediation and innovation diffusion perspectives. Ultimately, the study intends to generate evidence-based insights that inform policymakers, regulators, fintech practitioners, and development stakeholders on how fintech can be effectively leveraged to enhance inclusive access to capital for small businesses in Nigeria’s underserved markets. Research Questions i. What fintech services and models are most prominent in facilitating small business access to capital in underserved markets in Nigeria? ii. To what extent has fintech growth improved access to capital for small businesses operating in underserved Nigerian markets? iii. Through what mechanisms do fintech innovations reduce financing constraints for small businesses in underserved markets? iv. What contextual, regulatory, and technological factors influence the effectiveness of fintech growth in enhancing small business access to capital in Nigeria? Research Objectives The main objective of the study is to systematically review empirical evidence on the effect of fintech growth on small business access to capital in underserved markets in Nigeria (2010–2023). The specific objectives are to: i. Identify the dominant fintech services and models supporting small business financing in underserved Nigerian markets. ii. Examine the extent to which fintech growth has improved access to capital for small businesses in underserved markets in Nigeria. iii. Analyse the mechanisms through which fintech innovations mitigate traditional financing constraints faced by small businesses. iv. Assess the contextual, regulatory, and technological factors influencing the effectiveness of fintechdriven financing for small businesses. Volume-07 Issue 12, December-2023 ISSN: 2456-9348 Impact Factor: 6.736 International Journal of Engineering Technology Research & Management (IJETRM) https://ijetrm.com/ IJETRM (http://ijetrm.com/) [632] 2. LITERATURE REVIEW Concept of Financial Technology (Fintech) Financial Technology (Fintech) has been widely conceptualized in scholarly literature as the application of digital innovations to improve the delivery, efficiency, and accessibility of financial services. Pantielieieva et al. (2018), defined fintech as the use of technology to deliver financial solutions that enhance traditional financial intermediation processes. Dharmadasa (2021), viewed fintech as a new financial industry that applies technology to improve financial activities. Pantielieieva et al. (2020), described fintech as technologically enabled financial innovations that result in new business models, applications, processes, or products within financial services. Bavoso (2022), defined fintech as the integration of digital technologies into financial service provision to create customer-oriented innovations. Similarly, Gomber et al. (2018), conceptualized fintech as a disruptive force that leverages digital platforms to challenge conventional financial institutions by offering faster, cheaper, and more accessible financial services. Other scholars emphasize fintech’s role in financial inclusion and systemic transformation. Awotunde et al. (2021), defined fintech as a sector comprising firms that combine financial services with modern information technologies to improve efficiency and outreach. Trapanese and Lanotte (2023), described fintech as technologydriven financial intermediation that reshapes how financial contracts are designed and delivered. Salampasis and Mention (2019), defined fintech as digital financial innovation that enhances competition, efficiency, and consumer welfare in financial markets. Shrier and Pentland (2022), viewed fintech as the convergence of finance and advanced technologies such as big data, artificial intelligence, and blockchain. Finally, this study defines fintech as digital financial services that promote financial inclusion by expanding access to payments, credit, savings, and insurance, particularly in underserved markets. Concept of Access to Capital Access to capital is a central concept in finance and entrepreneurship literature, broadly defined as the ability of individuals or firms to obtain financial resources needed to start, sustain, and expand economic activities. Harvie et al. (2013), defined access to capital as the availability of external finance from formal financial institutions under reasonable cost and risk conditions. Fanta (2015), conceptualized access to capital as the capacity of firms, particularly small and medium enterprises, to secure funding through debt or equity markets without prohibitive constraints. Ayyagari, Tambunan et al. (2022), defined access to capital as the extent to which firms can obtain credit to support investment and operational needs. Nasrullayevich et al. (2021), described it as the degree of ease with which firms can raise financial resources in financial markets. Similarly, Abdulsaleh and Worthington (2013), defined access to capital as the ability of businesses to obtain financing from a range of sources to meet shortand long-term financial requirements. Other scholars emphasize structural and contextual dimensions of access to capital. Gichure (2017), defined access to capital as the ability of firms to overcome financial market imperfections such as information asymmetry and collateral constraints. Nketia et al. (2023), conceptualized access to capital as the availability of bank and nonbank financing tailored to firm characteristics and risk profiles. Holod and Peek (2010), framed access to capital in terms of credit availability under conditions of imperfect information and credit rationing. Fowowe (2017), defined access to capital as the extent to which firms can obtain affordable and timely financial services that meet their business needs. This study described access to capital as a core dimension of financial inclusion, reflecting firms’ ability to secure funding necessary for growth and competitiveness Concept of Small and Medium Scale Enterprises (SMEs) Small and Medium-sized Enterprises (SMEs) are widely recognized in the literature as vital engines of economic growth, employment generation, and innovation, yet their conceptualization varies across contexts and institutions. Hashi and Krasniqi (2011), defined SMEs as firms with a limited number of employees and turnover levels that fall below nationally specified thresholds, emphasizing their role in private sector development. Bakhtiari et al. (2020) conceptualized SMEs as independent enterprises employing fewer than 250 employees, with financial ceilings used to distinguish between small and medium firms. Jamieson et al. (2011) defined SMEs as non-subsidiary, independent firms characterized by relatively small-scale operations and constrained resources. Cisi and Sansalvador (2022), described SMEs as businesses managed directly by owners or managers in a personalized manner, lacking formalized management structures typical of large firms. Similarly, Bolton (1971) defines SMEs as enterprises with a small market share and managed by owners without separation between ownership and control. Other scholars emphasize functional and contextual characteristics of SMEs beyond size criteria. Eniola and Entebang (2015) see SMEs as firms whose growth and performance are constrained by limited access to finance, markets, and technology. Luu (2023), viewed SMEs as flexible and adaptive enterprises that operate with limited Volume-07 Issue 12, December-2023 ISSN: 2456-9348 Impact Factor: 6.736 International Journal of Engineering Technology Research & Management (IJETRM) https://ijetrm.com/ IJETRM (http://ijetrm.com/) [633] capital but high entrepreneurial intensity. Hernández‐Carrión et al. (2017) framed SMEs as businesses that contribute significantly to employment and GDP but face structural and institutional constraints. In the Nigerian context, the Small and Medium Enterprises Development Agency of Nigeria (SMEDAN, 2017) defines SMEs based on employment size and asset base, excluding land and buildings. Oates et al. (2023), conceptualized SMEs as small-scale enterprises embedded within local economies, relying heavily on informal structures and community-based resources. Understanding Underserved Market in Nigeria The concept of the underserved market in Nigeria refers to population segments and economic actors that have limited or no access to essential financial, social, and economic services despite their active participation in the economy. These groups typically include rural dwellers, low-income households, informal sector operators, women-owned enterprises, youth-led businesses, and micro and small enterprises operating outside major urban centers (Rakshit and Mehdi, 2021). In the Nigerian context, underserved markets are characterized by structural barriers such as poverty, low financial literacy, limited formal identification, and inadequate documentation, which restrict access to banking, credit, insurance, and digital financial services (Umeaduma, 2023). The persistence of these constraints has contributed to high levels of financial exclusion and uneven economic development across regions, particularly in northern and rural parts of the country. Underserved markets in Nigeria are also shaped by infrastructural and institutional deficits that limit service delivery and market participation (Obokoh and Goldman, 2016). Weak physical infrastructure, including poor road networks, unreliable electricity supply, and limited internet connectivity, constrains both financial institutions and fintech firms from effectively reaching these populations (Avanenge, 2015. Additionally, the dominance of the informal economy means that many individuals and small businesses operate without formal registration, credit histories, or collateral, making them unattractive to traditional lenders (Akin, 2016). Regulatory gaps, trust deficits in formal institutions, and cultural preferences for cash-based transactions further reinforce exclusion. As a result, underserved markets often rely on informal financial arrangements, such as rotating savings and credit associations, which provide limited capital and offer little protection against economic shocks. In recent years, policy initiatives and technological innovations have increasingly targeted underserved markets as a pathway to inclusive growth in Nigeria (Odeyemi, 2023). The expansion of mobile money, agent banking, and digital lending platforms has begun to reduce geographic and cost barriers to financial access, particularly for micro and small enterprises (David-West et al., 2018). Government-led strategies, such as the National Financial Inclusion Strategy, aim to integrate underserved populations into the formal financial system through digital channels and regulatory reforms (Umeaduma, 2023). However, adoption remains uneven due to digital literacy gaps, affordability concerns, and cybersecurity risks. Understanding the dynamics of underserved markets is therefore essential for designing inclusive fintech solutions and policies that effectively address Nigeria’s structural inequalities and enhance small business access to capital. 3. THEORETICAL FRAMEWORK This study is underpinned by two theories namely: Financial Intermediation Theory and Diffusion of Information Theory. Financial Intermediation Theory Financial Intermediation Theory explains the role of financial institutions as intermediaries that channel funds from surplus units (savers) to deficit units (borrowers) while minimizing transaction costs, information asymmetry, and risk. The theory is rooted in the works of Gurley and Shaw (1960) and further advanced by Diamond (1984), who emphasized the monitoring role of intermediaries in reducing moral hazard and adverse selection. According to the theory, financial intermediaries improve allocative efficiency by pooling resources, diversifying risk, and producing information that individual market participants cannot efficiently generate on their own. By performing screening, monitoring, and enforcement functions, intermediaries lower the cost of external finance and enhance access to capital, particularly for small and information-opaque firms such as SMEs. Within the context of this study, fintech firms represent a modern form of financial intermediation that leverages digital technologies to perform traditional intermediary functions more efficiently. Through alternative credit scoring, mobile-based platforms, and automated processes, fintech reduces information asymmetry and transaction costs that have historically excluded small businesses in underserved Nigerian markets. Digital financial intermediaries enable SMEs without collateral or formal credit histories to access capital based on transaction data and behavioural analytics. Thus, Financial Intermediation Theory provides a strong theoretical foundation for explaining how fintech growth enhances small business access to capital by transforming the structure and efficiency of financial intermediation in Nigeria. Volume-07 Issue 12, December-2023 ISSN: 2456-9348 Impact Factor: 6.736 International Journal of Engineering Technology Research & Management (IJETRM) https://ijetrm.com/ IJETRM (http://ijetrm.com/) [634] Image 1: Source: Khotinskay, G. (2019). Fin Tech: Fundamental Theory and Empirical Features Image 1 viewed through the lens of Financial Intermediation Theory, the illustrated fintech ecosystem highlights how modern financial actors particularly fintech firms and startups have reconfigured traditional intermediation functions to enhance access to capital for small businesses in underserved Nigerian markets. The overlap between fintech companies, traditional financial institutions, and startups reflects a hybrid intermediation structure in which technology-driven platforms perform core intermediary roles such as screening, monitoring, and risk assessment more efficiently than conventional banks. By leveraging digital infrastructure, alternative data, and scalable platforms, fintech intermediaries reduce information asymmetry and transaction costs that have historically excluded SMEs lacking collateral or formal credit histories. In the study context, this explains how fintech firms complement or substitute traditional banks by channeling funds to underserved small businesses through innovative lending, payment, and platform-based models. Consistent with Financial Intermediation Theory, fintech growth enhances allocative efficiency in the financial system by improving fund mobilization, lowering intermediation costs, and expanding the reach of credit to economically marginalized enterprises in Nigeria. Diffusion of Innovation Theory Diffusion of Innovation Theory, developed by Rogers (1962), explains how new ideas, technologies, or innovations spread within a social system over time. The theory identifies five key attributes that influence adoption: relative advantage, compatibility, complexity, trialability, and observability. According to Rogers, adoption occurs through stages knowledge, persuasion, decision, implementation, and confirmation and is shaped by communication channels, social systems, and time. The theory categorizes adopters into innovators, early adopters, early majority, late majority, and laggards, highlighting how social influence and perceived benefits drive technological uptake (Rogers, 2003). In relation to this study, Diffusion of Innovation Theory explains how fintech solutions are adopted by small businesses in underserved Nigerian markets. Fintech adoption among SMEs depends on perceived benefits such as ease of access to capital, speed of transactions, and reduced collateral requirements, as well as compatibility with existing business practices. However, factors such as low digital literacy, infrastructural limitations, and trust issues may slow diffusion among late adopters. The theory therefore provides a useful lens for understanding variations in fintech uptake across regions and business types, helping to explain why fintech growth does not uniformly translate into improved access to capital for all SMEs in Nigeria. Volume-07 Issue 12, December-2023 ISSN: 2456-9348 Impact Factor: 6.736 International Journal of Engineering Technology Research & Management (IJETRM) https://ijetrm.com/ IJETRM (http://ijetrm.com/) [635] Image 2 Source: Najib M, Ermawati WJ, Fahma F, Endri E, Suhartanto D. 2021 In the context of Diffusion of Innovation Theory, image 2 illustrated model explains how fintech adoption among small businesses in underserved Nigerian markets occurs through a combination of perceived benefits, social influence, and enabling conditions that shape the rate and extent of innovation diffusion. Constructs such as performance expectancy and effort expectancy reflect the perceived relative advantage and ease of use of fintech solutions, which Rogers (2003) identifies as critical determinants of adoption. Social influence and facilitation conditions capture the role of peer networks, agent bankers, and institutional support in spreading fintech use across business communities, while price value and risk perception influence adoption decisions by shaping perceived costs and uncertainties. Knowledge and habit behavior correspond to the awareness and trial stages of diffusion, determining whether fintech innovations progress from early adoption to sustained use. Within the study context, this framework illustrates why fintech growth does not automatically translate into universal adoption among SMEs; rather, diffusion depends on how small businesses perceive, experience, and internalize fintech innovations. 4. MATERIALS AND METHODS The study adopts a systematic literature review methodology guided by the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) framework to ensure transparency, rigor, and replicability. The review covers empirical studies published between 2010 and 2023 that examine fintech growth and small business access to capital, with specific emphasis on underserved markets in Nigeria and comparable developing economies. Relevant studies were identified through comprehensive searches of electronic databases, including Scopus, Web of Science, Google Scholar, and selected finance and development journals. Search strings combined keywords such as “financial technology,” “fintech,” “small and medium enterprises,” “access to capital,” “financial inclusion,” and “Nigeria.” Inclusion criteria focused on peer-reviewed empirical studies, while exclusion criteria eliminated purely conceptual papers, non-English publications, and studies not directly related to SME financing. The identification and screening stages involved removing duplicates and assessing titles and abstracts for relevance in line with PRISMA guidelines (Moher et al., 2009). Following the screening stage, full-text articles were assessed for eligibility based on methodological quality, contextual relevance, and alignment with the study objectives. Data extraction focused on study characteristics, fintech models examined, methodological approaches, key findings, and contextual factors influencing access to capital. A thematic synthesis approach was employed to analyze and integrate findings across studies, enabling the identification of recurring patterns, mechanisms, and inconsistencies in the literature. The final inclusion stage Volume-07 Issue 12, December-2023 ISSN: 2456-9348 Impact Factor: 6.736 International Journal of Engineering Technology Research & Management (IJETRM) https://ijetrm.com/ IJETRM (http://ijetrm.com/) [636] produced a refined set of studies that formed the basis for narrative synthesis and interpretation. The PRISMA flow process ensured systematic documentation of study selection decisions, thereby enhancing the credibility of the review. This methodological approach is appropriate for consolidating fragmented evidence and generating comprehensive insights into fintech-driven access to capital for small businesses in underserved Nigerian markets (Moher et al., 2009; Tranfield et al., 2003). 5. FINDINGS Key Fintech Services and Models Enhancing SME Access to Capital in Underserved Nigerian Markets Fintech services centered on digital payments and mobile money platforms are among the most prominent models facilitating small business access to capital in underserved Nigerian markets. Payment service providers such as Kuda, Opay, PalmPay, and Moniepoint (formerly TeamApt) have expanded agent banking and mobile wallet services across rural and peri-urban areas, enabling small businesses to conduct cashless transactions, receive customer payments, and build digital transaction histories (Olaniyan et al., 2023; Asanya and Adediran, 2023). These platforms reduce reliance on cash, improve liquidity management, and lower transaction costs for small enterprises operating in informal and underserved settings (Ayadi et al., 2023). By providing point-of-sale (POS) terminals and mobile-based payment solutions, fintech firms indirectly support access to capital by enhancing business visibility and financial records, which can be leveraged for credit assessment Another prominent fintech model is digital lending and microcredit platforms, which provide short-term and working capital loans to small businesses with limited collateral. Fintech lenders utilize alternative data such as transaction volumes, mobile money usage, and POS activity to assess creditworthiness, thereby addressing information asymmetry that traditionally excludes SMEs from bank financing (Akanbi, 2023; Obuobie, 2023). In Nigeria, platforms linked to payment providers, including Kuda, Moniepoint and Opay, have increasingly integrated credit products tailored to micro and small enterprises in underserved markets. These digital lending services offer rapid loan disbursement and flexible repayment structures, making them attractive to small businesses facing urgent liquidity needs (Olaniyan et al., 2023; Ayadi et al., 2023). Empirical studies suggest that such fintech-enabled credit models improve access to finance for underserved enterprises, although concerns remain regarding interest rates and repayment sustainability (Okafor et al., 2021; Chibueze et al., 2021). In addition to payments and lending, platform-based financial ecosystems have emerged as an important fintech model supporting small business access to capital (Nwani et al., 2022). These ecosystems integrate payments, savings, credit, and business management tools into a single digital interface, enabling small enterprises to manage financial activities more efficiently. Firms such as PalmPay and Opay increasingly bundle financial services with incentives that encourage usage and data generation, which in turn enhances credit eligibility (Ademe-Godwin and Akpan, 2023). By embedding financial services into everyday business operations, these fintech models expand outreach to underserved markets where traditional banking penetration is low. The growing adoption of these integrated fintech platforms reflects their alignment with the operational realities of small businesses in Nigeria and underscores their role in promoting inclusive access to capital. Extent of Fintech-Driven Capital Access for SMEs in Underserved Nigerian Markets Fintech growth has moderately to significantly improved access to capital for small businesses operating in underserved Nigerian markets, particularly by expanding the availability and speed of microcredit and working capital financing (Damilola, 2022). Digital lending platforms and fintech-enabled payment service providers have reduced traditional barriers such as collateral requirements, lengthy loan processing times, and geographic distance from bank branches (Davidovic et al., 2019). Empirical evidence indicates that small businesses using mobile money platforms and POS-based payment systems are more likely to access short-term loans compared to those relying solely on cash transactions (Maryam and Ahamad, 2021). By leveraging transaction data, fintech firms can extend credit to businesses previously excluded from formal banking, thereby improving financial inclusion among micro and small enterprises in rural and peri-urban areas. However, the depth and sustainability of fintech-enabled access to capital remain uneven across underserved markets. While fintech has increased the number of small businesses accessing credit, the size and tenure of loans are often limited, with many products designed for short-term liquidity rather than long-term investment (Palladino, 2021; Gopal and Schnabl, 2022). High interest rates, frequent repayment schedules, and algorithmdriven credit limits constrain the developmental impact of fintech financing for some SMEs (Soriano, 2017). Additionally, digital divides related to internet access, smartphone ownership, and financial literacy limit adoption among the most marginalized business owners (Neumeyer et al., 2020). These factors suggest that fintech growth has improved access to capital primarily at the margin, rather than fully substituting for traditional SME financing in underserved Nigerian contexts. Volume-07 Issue 12, December-2023 ISSN: 2456-9348 Impact Factor: 6.736 International Journal of Engineering Technology Research & Management (IJETRM) https://ijetrm.com/ IJETRM (http://ijetrm.com/) [637] Overall, fintech growth has positively influenced access to capital, but its impact is conditional and complementary rather than transformative. Fintech services function most effectively when supported by adequate digital infrastructure, regulatory oversight, and financial capability among users. In regions where these conditions are present, fintech has demonstrably improved liquidity, reduced financing gaps, and enhanced business resilience. Conversely, in deeply underserved markets, fintech alone is insufficient to overcome structural constraints such as poverty, informality, and weak institutional support. Consequently, fintech growth should be viewed as an important but partial solution to small business financing challenges in Nigeria, requiring coordinated policy and institutional interventions to maximize its impact Fintech Mechanisms for Reducing SME Financing Constraints in Underserved Markets Fintech innovations reduce financing constraints for small businesses in underserved markets primarily by lowering information asymmetry between lenders and borrowers. Traditional financial institutions often exclude small businesses due to the absence of formal financial statements, credit histories, and collateral (Asah and Louw, 2021). Fintech firms address this challenge by utilizing alternative data sources, such as mobile money transactions, POS records, digital payment histories, and behavioral data, to assess creditworthiness (Elebe and Imediegwu, 2021). Algorithm-driven credit scoring models enable lenders to evaluate risk more accurately and extend credit to previously unbanked or underbanked enterprises. Empirical studies indicate that data-driven lending significantly improves credit access for small businesses operating in informal and underserved environments (Kundu,2020; Oladuji et al., 2021). Another key mechanism is the reduction of transaction and operational costs associated with credit delivery. Fintech platforms automate loan applications, approvals, and disbursements, eliminating the need for physical branch visits and extensive documentation (Awotunde et al., 2021). This digitalization reduces processing time and administrative costs for both lenders and borrowers, making small-value loans economically viable. For small businesses in underserved markets, faster access to capital is critical for managing cash flow and responding to short-term operational needs (Gomber et al., 2018). Additionally, mobile-based platforms enhance geographic reach, allowing fintech firms to serve remote areas that traditional banks find costly to operate in. These efficiencies expand the supply of credit and improve affordability, thereby easing financing constraints. Fintech innovations also enhance access to capital by integrating financial services into business ecosystems and improving financial visibility (Berman et al., 2022). Payment platforms, agent banking networks, and digital wallets generate transaction records that formalize business activities and increase financial transparency (Omarini, 2018). This embedded finance model allows small businesses to build digital footprints that strengthen their eligibility for credit over time. Furthermore, fintech platforms often bundle credit with savings, insurance, and business management tools, improving financial resilience and risk management (Oladuji et al., 2021). However, the effectiveness of these mechanisms depends on supportive regulatory frameworks, digital literacy, and infrastructure. When these conditions are met, fintech innovations play a critical role in alleviating financing constraints for small businesses in underserved markets. Factors Shaping the Effectiveness of Fintech Growth in Enhancing Small Business Access to Capital in Nigeria Contextual factors play a critical role in determining how effectively fintech growth translates into improved access to capital for small businesses in Nigeria. Socioeconomic conditions such as income levels, education, and financial literacy significantly influence fintech adoption among small business owners, particularly in underserved markets (Hasan et al., 2023). Many micro and small enterprises operate informally, lacking business registration, financial records, or formal identification, which limits their ability to fully utilize fintech credit products (Sharma et al., 2023). Cultural preferences for cash transactions and low trust in digital financial systems further constrain adoption. Regional disparities in economic development and security challenges, especially in rural and conflict-affected areas, also affect the reach and reliability of fintech services. These contextual realities shape both demand for and effective use of fintech-enabled financing. Regulatory factors are equally influential in shaping the fintech–SME financing landscape in Nigeria. The regulatory framework established by the Central Bank of Nigeria, including licensing requirements, consumer protection guidelines, and risk management standards, directly affects fintech operations and product design (Ifechukwu, 2022). Supportive regulations, such as agent banking guidelines and payment service bank licenses, have facilitated fintech expansion into underserved markets (Anichebe, 2019). However, regulatory uncertainty, compliance costs, and fragmented oversight can limit innovation and discourage long-term SME lending. Inconsistent enforcement and gaps in data protection and cybersecurity regulations may also undermine trust among small business users. Effective regulation therefore requires a balance between innovation facilitation and financial stability to enhance fintech’s contribution to small business access to capital. Volume-07 Issue 12, December-2023 ISSN: 2456-9348 Impact Factor: 6.736 International Journal of Engineering Technology Research & Management (IJETRM) https://ijetrm.com/ IJETRM (http://ijetrm.com/) [644] 77) Odeyemi, C.A., 2023. Leveraging on Innovation and Technological Entrepreneurship in achieving economic growth in Nigeria. Covenant Journal of Entrepreneurship, pp.51-58. Accessed from https://journals.covenantuniversity.edu.ng/index.php/cjoe/article/view/4103 78) Odunaike, A., 2020. Credit Risk Dynamics in Digital Lending via Mobile Apps: An Empirical Analysis of Alternative Data Utilization for SME Financing in West Africa. International Journal of Technology, Management and Humanities, 6(03-04), pp.60-73. Accessed from https://ijtmh.com/index.php/ijtmh/article/view/186 79) Ogwu, O.J., 2022. A critical appraisal of fintech regulation in Nigeria. Available at SSRN 4914808. Accessed from https://papers.ssrn.com/sol3/papers.cfm?abstract_id=4914808 80) Ojo, O.V. and Nwaokike, U., 2018. Disruptive technology and the fintech industry in Nigeria: Imperatives for legal and policy responses. Gravitas Review of Business and Property Law, 9(3). Accessed from https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3306164 81) Okafor, C.M., Osuji, V.C. and Dako, O.F., 2021. Fintech-Enabled Transformation of Transaction Banking and Digital Lending as a Catalyst for SME Growth and Financial Inclusion. Int J Multidiscip Res Growth Eval, 2(6), pp.485-504. Accessed from https://shisrrj.com/paper/SHISRRJ214457.pdf 82) Oladuji, T.J., Adewuyi, A., Nwangele, C.R. and Akintobi, A.O., 2021. Advancements in financial performance modeling for SMEs: AI-driven solutions for payment systems and credit scoring. Iconic Research and Engineering Journals, 5(5), pp.471-486. Accessed from https://www.researchgate.net/profile/Tolulope-Joyce-Oladuji/publication/393440888 83) Olaniyan, O.J., Ajala, R.B. and Sijuade, O.O., 2023. Digital disruption in finance: the rise of fintech and its implications. EPRA International Journal of Economics, Business and Management Studie, 10(10), pp.5-17. https://doi.org/10.36713/epra14473 84) Olanrewaju, G.S., Adebayo, S.B., Omotosho, A.Y. and Olajide, C.F., 2021. Left behind? The effects of digital gaps on e-learning in rural secondary schools and remote communities across Nigeria during the COVID19 pandemic. International journal of educational research open, 2, p.100092. Accessed from https://www.sciencedirect.com/science/article/pii/S2666374021000625 85) Olatunji, T., 2020. Advancing the cause of fintech in Nigeria through regulation. The Gravitas Review of Business & Property Law, 11(4), pp.17-34. Accessed from https://www.academia.edu/download/65259300/Advancing_the_Course_of_Fintech_in_Nigeria_through_Re gulation.pdf 86) Omarini, A.E., 2018. Fintech and the future of the payment landscape: the mobile wallet ecosystem. A challenge for retail banks? International Journal of Financial Research, 9(4), pp.97-116. Accessed from https://iris.unibocconi.it/handle/11565/4013980 87) Omede, P.I., 2020. A tale of two markets: How lower-end borrowers are punished for bank regulatory failures in Nigeria. Journal of Consumer Policy, 43(3), pp.519-542. Accessed from https://link.springer.com/article/10.1007/s10603-019-09439-8 88) Otokiti, B.O., Igwe, A.N., Ewim, C.P., Ibeh, A.I. and Sikhakhane-Nwokediegwu, Z., 2022. A framework for developing resilient business models for Nigerian SMEs in response to economic disruptions. Int J Multidiscip Res Growth Eval, 3(1), pp.647-659. Accessed from 89) Palladino, L.M., 2021. The impacts of fintech on small business borrowing. Journal of Small Business & Entrepreneurship, 33(6), pp.639-661. Accessed from https://www.tandfonline.com/doi/abs/10.1080/08276331.2020.1796110 90) Pantielieieva, N., Khutorna, M., Lytvynenko, O. and Potapenko, L., 2020. FinTech, RegTech and traditional financial intermediation: Trends and threats for financial stability. In Data-Centric Business and Applications: Evolvements in Business Information Processing and Management (Volume 3) (pp. 1-21). Cham: Springer International Publishing. Accessed from https://link.springer.com/chapter/10.1007/978-3030-35649-1_1 91) Pantielieieva, N., Krynytsia, S., Khutorna, M. and Potapenko, L., 2018, October. FinTech, transformation of financial intermediation and financial stability. In 2018 International Scientific-Practical Conference Problems of Infocommunications. Science and Technology (PIC S&T) (pp. 553-559). IEEE. Accessed from https://ieeexplore.ieee.org/abstract/document/8632068/ 92) Rakshit, S. and Mehdi, M.M., 2021. Standard microfinance bank, Nigeria: developing underserved markets. Emerald Emerging Markets Case Studies, 11(2), pp.1-24. Accessed from https://www.emerald.com/insight/content/doi/10.1108/EEMCS-10-2019-0257/full/html Volume-07 Issue 12, December-2023 ISSN: 2456-9348 Impact Factor: 6.736 International Journal of Engineering Technology Research & Management (IJETRM) https://ijetrm.com/ IJETRM (http://ijetrm.com/) [645] 93) Rogers, E.M. 1962. Diffusion of Innovations. Free Press, New York. Accessed from https://www.scirp.org/reference/referencespapers?referenceid=2008938 94) Salampasis, D. and Mention, A.L., 2018. FinTech: Harnessing innovation for financial inclusion. In Handbook of blockchain, digital finance, and inclusion, volume 2 (pp. 451-461). Academic Press. Accessed from https://www.sciencedirect.com/science/article/pii/B9780128122822000188 95) Sharma, S.K., Ilavarasan, P.V. and Karanasios, S., 2023. Small businesses and FinTech: a systematic review and future directions. Electronic Commerce Research, p.1. Accessed from https://pmc.ncbi.nlm.nih.gov/articles/PMC10172731/ 96) Shrier, D.L. and Pentland, A., 2022. Fintech Foundations: Convergence, Blockchain, Big Data, and AI. Accessed from https://direct.mit.edu/books/oa-edited-volume/5280/chapter-abstract/3666087 97) Soriano, M.A., 2017. Factors driving financial inclusion and financial performance in Fintech new ventures: An empirical study. Accessed from https://ink.library.smu.edu.sg/etd_coll/145/ 98) Taiwo, J.N. and Falohun, T.O., 2016. SMEs financing and its effects on Nigerian economic growth. European Journal of Business, Economics and Accountancy, 4(4). Accessed from https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3122457 99) Tambunan, E.C., Enuh, K., Ubaidullah, U. and Tamba, M., 2022. Capital access for micro small medium enterprises. Jurnal Ekonomi Dan Perbankan Syariah, 10(2), pp.148-158. Accessed from https://journal.sebi.ac.id/index.php/jeps/article/view/375 100) Temelkov, Z. and Gogova Samonikov, M., 2018. The need for fintech companies as non-bank financing alternatives for sme in developing economies. International Journal of Information, Business and Management, 10(3), pp.25-33. Accessed from https://eprints.ugd.edu.mk/20440/7/IJIBM_Vol10No3_Aug2018.pdf 101) Trapanese, M. and Lanotte, M., 2023. Financial intermediation and new technology: theoretical and regulatory implications of digital financial markets. Bank of Italy Occasional Paper, (758). Accessed from https://papers.ssrn.com/sol3/papers.cfm?abstract_id=4464132 102) Umeaduma, C.M.G., 2023. Financial inclusion strategies for poverty reduction and economic empowerment in underbanked rural populations globally. World Journal of Advanced Research and Reviews, 18(1), pp.1263-80. Accessed from https://www.researchgate.net/profile/ChidimmaUmeaduma/publication/390279774 103) Uquillas, A. and Simbaña, B., 2022. Credit risk, liquidity risk and feedback effects on microfinance institutions: An empirical evidence in Ecuador. Journal of Developmental Entrepreneurship, 27(04), p.2250025. Accessed from https://www.worldscientific.com/doi/abs/10.1142/S108494672250025X 104) Utami, N. and Sitanggang, M.L., 2021. The effect of fintech implementation on the performance of SMEs. In Journal of International Conference Proceedings (Vol. 4, No. 3, pp. 407-417). Association of International Business and Professional Management. Accessed from https://www.researchgate.net/profile/Novia-Utami-2/publication/366225136