Financing the Missing Middle: A Systematic Review of Constraints and Solutions for SMES in Tanzania’s Blue Economy
DOI:
https://doi.org/10.31629/jmps.v3i1.8220Keywords:
Blue Economy, SME Finance, Financial Inclusion, Ecological RiskAbstract
The strategic development of the Blue Economy (BE) is central to Tanzania’s national and regional aspirations for inclusive growth and poverty reduction, with small and medium-sized enterprises (SMEs) constituting its operational backbone. However, the transformative potential of BE sectors fisheries, aquaculture, coastal tourism, and maritime services is critically constrained by a persistent financing gap. This systematic review synthesizes current evidence to diagnose the binding financial constraints faced by BE-SMEs in Tanzania and to evaluate viable pathways for intervention. Employing a structured methodology, the review critically analyzes peer-reviewed literature, policy documents, and institutional reports from 2006 to 2025. The synthesis identifies a consistent quartet of barriers: stringent collateral requirements underpinned by information asymmetry, elevated lender risk perceptions due to sectoral volatility and climate exposure, pervasive deficiencies in SME financial records and business planning, and cumbersome loan application procedures. Concurrently, the analysis surfaces converging opportunity domains, including the adaptation of group-based and credit-guarantee mechanisms, the deployment of digital and alternative data for risk assessment, and the design of financial products tailored to seasonal cash flows. The review concludes that bridging the finance chasm requires a systemic shift towards blended financial instruments, policy-driven credit infrastructure improvements, and lender innovations in underwriting technology. By aligning financial systems with the distinct realities of BE-SMEs, Tanzania can unlock sustainable, equitable growth within its ocean-based economy.
Downloads
References
AFI. (2020). Alliance for Financial Inclusion (AFI). (2020). MSME access to finance ecosystem in Africa. https://www.afi-global.org/sites/default/files/publications/2020-10/AFI_AfPI_SMEFWG_survey%20report_AW_digital.pdf
Ayyagari, M., Demirguc-Kunt, A., & Maksimovic, V. (2014). Who creates jobs in developing countries? Small Business Economics, 43(1). https://doi.org/10.1007/s11187-014-9549-5
Badi, L., & Ishengoma, E. (2021). Access to Debt Finance and Performance of Small and Medium Enterprises. Journal of Financial Risk Management, 10(03). https://doi.org/10.4236/jfrm.2021.103014
Beck, T., & Demirguc-Kunt, A. (2006). Small and medium-size enterprises: Access to finance as a growth constraint. Journal of Banking and Finance, 30(11). https://doi.org/10.1016/j.jbankfin.2006.05.009
Beck, T., Demirgüç-Kunt, A., & Maksimovic, V. (2008). Financing patterns around the world: Are small firms different? Journal of Financial Economics, 89(3). https://doi.org/10.1016/j.jfineco.2007.10.005
Bennett, M., March, A., & Failler, P. (2024). Blue Economy Financing Solutions for the Fisheries and Aquaculture Sectors of Caribbean Island States. Fishes, 9(8). https://doi.org/10.3390/fishes9080305
Berger, A. N., & Udell, G. F. (2006). A more complete conceptual framework for SME finance. Journal of Banking and Finance, 30(11). https://doi.org/10.1016/j.jbankfin.2006.05.008
BoT. (2023). Financial Stability Report (December 2023). https://www.bot.go.tz/Publications/Regular/Financial%20Stability/en/2024062708424936.pdf
Buzohera, M. I. (2025). Business networking and governance: impact on tourism SMTE performance in Tanzania. Tourism Critiques: Practice and Theory, 6(1). https://doi.org/10.1108/trc-08-2024-0045
Chakraborty, A., & Dhawan, S. M. (2025). Financial Inclusion to Support Ecosystem-Based Adaptation for Small-Scale Fishers in the Philippines.
Cinner, J. E., Adger, W. N., Allison, E. H., Barnes, M. L., Brown, K., Cohen, P. J., Gelcich, S., Hicks, C. C., Hughes, T. P., Lau, J., Marshall, N. A., & Morrison, T. H. (2018). Building adaptive capacity to climate change in tropical coastal communities. In Nature Climate Change (Vol. 8, Number 2). https://doi.org/10.1038/s41558-017-0065-x
De Cassai, A., Dost, B., Tulgar, S., & Boscolo, A. (2025). Methodological Standards for Conducting High-Quality Systematic Reviews. In Biology (Vol. 14, Number 8). https://doi.org/10.3390/biology14080973
Dempsey, J., & Suarez, D. C. (2016). Arrested development? The promises and paradoxes of “selling nature to save it.” Annals of the American Association of Geographers, 106(3). https://doi.org/10.1080/24694452.2016.1140018
FAO. (2020). The State of World Fisheries and Aquaculture 2020. Sustainability in action. FAO. https://doi.org/https://doi.org/10.4060/ca9229en
FAO, & AFRACA. (2021). Financing fisheries in Africa Case studies from the United Republic of Tanzania and Zambia Empowering Rural Africa. https://www.rfilc.org/wp-content/uploads/2021/12/Financing-Fisheries-in-Africa-case-studies-from-the-United-Republic-of-Tanzania-and-Zambia.pdf
GoT. (2023). National Financial Inclusion Framework (2023-2028) A Public-Private Stakeholders’ Initiative. https://www.bot.go.tz/Adverts/PressRelease/en/2023080516453703.pdf
Hamzah, M. L., Amir, A. A., Maulud, K. N. A., Sharma, S., Mohd, F. A., Selamat, S. N., Karim, O., Ariffin, E. H., & Begum, R. A. (2020). Assessment of the mangrove forest changes along the pahang coast using remote sensing and gis technology. Journal of Sustainability Science and Management, 15(5). https://doi.org/10.46754/JSSM.2020.07.006
H.-O. Pörtner, D.C. Roberts, Masson-Delmotte, V., Zhai, P., Tignor, M., Poloczanska, E., Mintenbeck, K., Alegría, A., Nicolai, M., Okem, A., Petzold, J., Rama, B., & Weyer., N. M. (2022). IPCC, 2019: IPCC Special Report on the Ocean and Cryosphere in a Changing Climate. The Ocean and Cryosphere in a Changing Climate, (October).
ICMA. (2023). Bonds to Finance the Sustainable Blue Economy. https://doi.org/10.22617/TCS230328-2
Imani, M., Fakour, H., Lo, S. L., Yuan, M. H., Chen, C. K., Mobasser, S., & Muangthai, I. (2023). Aquavoltaics Feasibility Assessment: Synergies of Solar PV Power Generation and Aquaculture Production. Water (Switzerland), 15(5). https://doi.org/10.3390/w15050987
IMF. (2024). Statement by Willie Nakunyada, Executive Director for the United Republic of Tanzania, and Dickson Lema, Advisor to Executive Director. https://www.icmagroup.org/assets/documents/Sustainable-finance/Bonds-to-Finance-the-Sustainable-Blue-Economy-a-Practitioners-Guide-September-2023.pdf
Jama, A. khadar A., Ariffin, M. I., & Yusof, S. A. (2022). Economic Impacts of Illegal, Unregulated and Unreported Fishing Activities on Artisanal Fishing in Somalia. Journal of Somali Studies, 9(1). https://doi.org/10.31920/2056-5682/2022/v9n1a2
Kleih, U., Linton, J., Marr, A., MacTaggart, M., Naziri, D., & Orchard, J. E. (2013). Financial services for small and medium-scale aquaculture and fisheries producers. Marine Policy, 37(1). https://doi.org/10.1016/j.marpol.2012.04.006
Ljulj, A., Slapničar, V., Grubišić, I., & Mihanović, L. (2023). Concept Design of a Hybrid Offshore Patrol Vessel. Journal of Marine Science and Engineering, 11(1). https://doi.org/10.3390/jmse11010012
Losada, I. J., Menéndez, P., Espejo, A., Torres, S., Díaz-Simal, P., Abad, S., Beck, M. W., Narayan, S., Trespalacios, D., Pfliegner, K., Mucke, P., & Kirch, L. (2018). The global value of mangroves for risk reduction. Technical Report. The Nature Conservancy.
Mang’ana, K. M., Ndyetabula, D. W., & Hokororo, S. J. (2023). Financial management practices and performance of agricultural small and medium enterprises in Tanzania. Social Sciences and Humanities Open, 7(1). https://doi.org/10.1016/j.ssaho.2023.100494
Mayoma, B. S., Sørensen, C., Shashoua, Y., & Khan, F. R. (2020). Microplastics in beach sediments and cockles (Anadara antiquata) along the Tanzanian coastline. Bulletin of Environmental Contamination and Toxicology, 105(4). https://doi.org/10.1007/s00128-020-02991-x
Meydan, C. H., & Akkaş, H. (2024). The role of triangulation in qualitative research: Converging perspectives. In Principles of Conducting Qualitative Research in Multicultural Settings. https://doi.org/10.4018/979-8-3693-3306-8.ch006
Mori, N., & Richard, E. (2011). Smes access to financial services: Tanzanian bankers’ eye. Banking and Insurance EJournal, 11(2).
Mponzi, W. P., Msaky, D. S., Binyaruka, P., & Kaindoa, E. W. (2023). Exploring the potential of village community banking as a community-based financing system for house improvements and malaria vector control in rural Tanzania. PLOS Global Public Health, 3(11 November). https://doi.org/10.1371/journal.pgph.0002395
Msangi, G. M., & Kasambala, M. (2025). Challenges of Accessing Bank Loans by SMEs in Tanzania. AFRICAN JOURNAL OF APPLIED RESEARCH, 11(2). https://doi.org/10.26437/ajar.v11i2.984
Naegels, V., Mori, N., & D’Espallier, B. (2018). An institutional view on access to finance by Tanzanian women-owned enterprises. Venture Capital, 20(2). https://doi.org/10.1080/13691066.2017.1358927
Narwal, S., Kaur, M., Yadav, D. S., & Bast, F. (2024). Sustainable blue economy: Opportunities and challenges. In Journal of Biosciences (Vol. 49, Number 1). https://doi.org/10.1007/s12038-023-00375-x
NEMC. (2024). STATE OF THE COAST for mainland Tanzania: Transitional to Blue Economy. https://www.nemc.or.tz/uploads/publications/sw-1725884790-State-of-the-Coast-for-mainland-Tanzania%202024%20(Compressed).pdf
Obura, D., Gudka, M., Samoilys, M., Osuka, K., Mbugua, J., Keith, D. A., Porter, S., Roche, R., van Hooidonk, R., Ahamada, S., Araman, A., Karisa, J., Komakoma, J., Madi, M., Ravinia, I., Razafindrainibe, H., Yahya, S., & Zivane, F. (2022). Vulnerability to collapse of coral reef ecosystems in the Western Indian Ocean. Nature Sustainability, 5(2). https://doi.org/10.1038/s41893-021-00817-0
Pomeroy, R., Arango, C., Lomboy, C. G., & Box, S. (2020). Financial inclusion to build economic resilience in small-scale fisheries. Marine Policy, 118. https://doi.org/10.1016/j.marpol.2020.103982
Queirós, A. M., Talbot, E., Msuya, F. E., Kuguru, B., Jiddawi, N., Mahongo, S., Shaghude, Y., Muhando, C., Chundu, E., Jacobs, Z., Sailley, S., Virtanen, E. A., Viitasalo, M., Osuka, K., Aswani, S., Coupland, J., Wilson, R., Taylor, S., Fernandes-Salvador, J. A., … Popova, E. (2024). A sustainable blue economy may not be possible in Tanzania without cutting emissions. Science of the Total Environment, 947. https://doi.org/10.1016/j.scitotenv.2024.174623
Stiglitz, J. E., & Weiss, A. (1981). Credit Rationing in Markets with Rationing Credit Information Imperfect. The American Economic Review, 71(3). https://doi.org/10.2307/1802787
Sumaila, U. R., Ebrahim, N., Schuhbauer, A., Skerritt, D., Li, Y., Kim, H. S., Mallory, T. G., Lam, V. W. L., & Pauly, D. (2019). Updated estimates and analysis of global fisheries subsidies. Marine Policy, 109. https://doi.org/10.1016/j.marpol.2019.103695
Thierry, Z. B., Thierry, K., & Yogo, U. (2020). Access to Finance among Small and Medium-Sized Enterprises and Job Creation in Africa. www.iza.org
Tirumala, R. D., & Tiwari, P. (2022). Innovative financing mechanism for blue economy projects. Marine Policy, 139. https://doi.org/10.1016/j.marpol.2020.104194
TMA. (2024). Climate Change Projections for Coastal Tanzania. Tanzania Meteorological Authority
UNDP. (2022). Financing the Blue Economy: Investments in Sustainable Blue Small–Medium Enterprises and Projects in Asia and the Pacific. https://www.undp.org/sites/g/files/zskgke326/files/2022-09/Financing%20the%20Blue%20Economy.pdf
Woiso, J. F., Shalli, M. S., & Kizenga, H. J. (2024). Status of small pelagic fisheries research in the Tanzanian marine waters:A systematic map. In Ocean and Coastal Management (Vol. 254). https://doi.org/10.1016/j.ocecoaman.2024.107208
World Bank. (2023). Tanzania Ocean Economy: Sustainable Development Pathways. Project Information Document (PID). https://documents1.worldbank.org/curated/en/099020625135036157/pdf/P179969-686b2562-33d0-4ea2-9506-5cd85631bc77.pdf
World Bank. (2025, June 11). Tanzania: New financing to empower communities, improve conservation, and generate economic opportunities. Press Release. https://www.worldbank.org/en/news/press-release/2025/06/11/tanzania-new-financing-to-empower-communities-improve-conservation-and-generate-economic-opportunities
WWF Tanzania. (2023). Coral Reef Health and Resilience Report. https://wwfafrica.awsassets.panda.org/downloads/wwf-south-west-indian-ocean-annual-report-2023.pdf
Zakayo, E., & Mbilinyi, R. (2023). Assessment of the potentials of the blue economy resources for poverty reduction in Tanzania. Journal of Marine Science and Technology, 1(1).
Downloads
Published
Issue
Section
License
Copyright (c) 2026 Issa G Ahmed, Mbara Cham, Bakari K. Faki, Mohamed Abasi Hamad (Author)

This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.
You are free to:
- Share — copy and redistribute the material in any medium or format for any purpose, even commercially.
- Adapt — remix, transform, and build upon the material for any purpose, even commercially.
- The licensor cannot revoke these freedoms as long as you follow the license terms.
Under the following terms:
- Attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made . You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
- ShareAlike — If you remix, transform, or build upon the material, you must distribute your contributions under the same license as the original.
- No additional restrictions — You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.












