Africa’s $900 Billion Mobile Money Market: The B2B Supply-Chain Payments Shift

The First Wave Is Complete: Mobile Money Has Won in Africa

The numbers are not ambiguous. Sub-Saharan Africa accounts for nearly 70% of global mobile money accounts. Kenya’s mobile money transactions exceed 50% of GDP. West Africa alone recorded $498 billion in transaction value in 2025. The global mobile money industry processed over $2 trillion in transactions in 2025, with Africa accounting for approximately $1.43 trillion of that total. BCG’s 2026 analysis of Africa’s fintech landscape projects that fintech revenues across the continent will expand roughly 13× by 2030, reaching approximately $65 billion — making Africa the fastest-growing fintech market globally.

The first wave built the consumer payment infrastructure: M-Pesa in Kenya, MTN MoMo and Orange Money across West and Central Africa, Ecocash in Zimbabwe. These platforms have been transformative for individual consumers — enabling bill payments, remittances, and small-value transfers for populations that traditional banking could not reach. But they are predominantly C2C and C2B: person-to-person and consumer-to-merchant. The $330 billion SME financing gap that BCG identifies remains largely unaddressed because moving money is not the same as financing supply chains.

The critical structural constraint is the business cash transaction problem. Across some African markets, over 80% of small business transactions remain cash-based. When a mid-size wholesaler in Lagos supplies 200 small retailers on net-30 payment terms, those receivables are invisible to any formal lender — there is no data trail, no digital footprint, no basis for a credit assessment. The retailer cannot borrow against expected receivables; the wholesaler cannot factor its debtor book. The entire working capital cycle is funded by cash, informal credit, and relationships — at significant cost.

The B2B Shift: Infrastructure Already in Place, Activation Is the Gap

The shift to B2B supply-chain payments is not a technology problem. The infrastructure exists: mobile money rails, USSD networks, PAPSS cross-border settlement, and increasingly, stablecoin corridors for high-value business transactions. The launch of the first wallet-based outbound payment corridor between Nigeria and Ghana in early 2026 through Onafriq and PAPSS is a milestone: for the first time, a small business in Lagos can pay a supplier in Accra without routing through correspondent banking.

The activation gap has three components.

First, credit data: formal credit bureaus are weak or absent across most African markets. Thin-file SMEs and weak credit reporting systems continue to restrict access to risk-based lending even in markets with mature mobile money penetration. Companies like Sava Africa are attacking this by digitising SME spend management to generate alternative credit data, but the sector-wide solution requires interoperability between payment platforms’ transaction data and credit assessment systems.

Second, interoperability: less than 10% of African fintechs have access to comprehensive, interoperable data systems. A wholesaler in Nairobi using Safaricom’s Lipa Na M-Pesa cannot seamlessly receive payment from a retailer in Kampala using MTN MoMo without multiple conversion steps. The cross-border passporting agreement between Ghana and Rwanda, highlighted at Africa Fintech Live 2026, is the leading model for what bilateral and eventually multilateral interoperability can look like.

Third, capital cost: cross-border payment fees in Africa remain 6–10%, among the highest globally. Even when technology enables a B2B payment corridor, the economics only work for transactions above a certain size — typically excluding micro-SMEs from the formal supply chain finance market.

What Founders and Investors Should Do About This Shift

1. Build on existing mobile money rails, not against them

The temptation for B2B fintech founders is to build a proprietary payment infrastructure — a new app, a new wallet, a new network. This is the wrong approach in 2026. MTN MoMo alone serves 30+ African markets; Flutterwave processes transactions for 900,000+ businesses. The B2B opportunity is not in replacing these networks but in building a supply-chain data and credit layer on top of them. APIs that connect M-Pesa transaction histories to credit scoring engines, or that enable bulk B2B disbursements through existing mobile money accounts, have clear product-market fit and avoid the network effects problem entirely.

2. Target the cash-to-digital wedge in high-frequency supply chains

Not all supply chains are equal for digital payment conversion. High-frequency, low-unit-value categories — fast-moving consumer goods (FMCG) distribution, agri-commodity procurement, pharmaceutical wholesale — are the highest-leverage entry points. BCG estimates that shifting 20–30% of informal business payments in these categories into digital channels could unlock billions of dollars in additional lending capacity by creating the financial visibility required for risk-based credit. A startup that focuses on one supply chain category in one country — say, FMCG distribution in Nigeria — and digitises it completely will have more compelling credit data than one that attempts pan-African coverage at 5% penetration.

3. Use the PAPSS corridor expansion as your market-entry sequencing guide

PAPSS, the Pan-African Payment and Settlement System, is expanding its corridor coverage through 2026 and 2027. Each new bilateral corridor is a B2B payment opportunity: goods and services that currently cross those borders on cash terms can move to digital-first settlement. Founders should track the PAPSS expansion roadmap and position their B2B payment or trade finance products to launch in newly enabled corridors at activation. Being the first B2B payment product in a newly opened PAPSS corridor is a far better go-to-market than competing in the saturated Nigeria domestic payments market.

4. Structure your credit product around data-first, capital-second

The most common mistake in African SME credit is sourcing capital before solving the data problem. Mobile-money-based lending — M-Shwari, Fuliza, OPay Credit — has repeatedly found that algorithmic lending at scale without strong data validation leads to high default rates and expensive loss ratios. The correct sequence is: digitise the SME’s transaction flow first, demonstrate 90 days of data, then extend a credit facility sized to that data. Products that follow this sequence have measurably lower NPL ratios than those that front-load capital deployment.

The Bigger Picture: From Payment Rails to Financial Ecosystem

The $65 billion revenue projection for Africa fintech by 2030 is not a number that can be achieved through consumer payments alone. BCG projects that new segments — digital lending, embedded finance, and B2B financial services — could contribute up to 50% of total industry revenues by 2030, up from the current 20–30% share of payments-dominated revenues.

That shift requires the B2B supply-chain activation described above. It also requires the regulatory maturity that is now emerging: Nigeria’s Central Bank standards for push payment fraud, South Africa’s CASP licensing framework, Kenya’s Virtual Asset Service Providers Act signed into law in October 2025. Regulatory clarity lowers the cost of compliance for B2B platforms, enabling them to offer credit products that require regulatory authorisation without building custom compliance stacks from scratch.

The arc of the African fintech story is clear. The first wave gave 400 million+ people access to a digital wallet. The second wave — which is now underway — connects those wallets to supply chains, enabling the $330 billion SME financing gap to close from the ground up. Founders who build the supply-chain payment and credit infrastructure now are building the financial backbone of African commerce in 2030.

Frequently Asked Questions

Sources & Further Reading

• Beyond Payments: Unlocking Africa’s Second FinTech Wave — BCG
• West Africa’s Mobile Money Evolution 2026–2030: From Payments to Trade Finance — BISI
• Africa’s FinTech Growth Set to Move Beyond Payments — TechAfrica News
• B2B Payments Set to Be the Next Focus for VCs in Africa — DAI Magister
• Africa’s Fintech Second Wave Takes Shape — Pan African Visions