The Largest Private Fintech Companies in the World

Financial technology has produced more highly valued private companies than almost any other sector except AI. Payment processors, digital banks, spend management platforms, brokers and prediction markets now include several companies worth tens of billions of dollars. This guide ranks the largest private fintech companies in our database and explains the business models behind them.

Valuations link to full profiles with sources and dates. Valuations in other currencies are shown as reported.

The ranking

Five fintech business models

Payments

Payment companies earn small fees on enormous transaction volumes. Stripe is the largest, processing well over a trillion dollars a year for online businesses. Checkout.com serves large enterprises, Mollie European small businesses, Razorpay and PhonePe India, and CloudWalk Brazil. Scale matters enormously, because costs are largely fixed and margins per transaction are thin.

Digital banks and super apps

Revolut, Monzo, Toss, Ualá and Tyme Group offer accounts, cards, savings, lending and investing in apps, earning from interchange, subscriptions, interest and lending. The most successful have become profitable by adding many products to a large customer base.

Business finance and spend management

Ramp, Mercury, Qonto, Airwallex and Pennylane provide corporate cards, business accounts, payments and accounting tools. They earn from card interchange, subscriptions and interest on deposits, and they grow as their customers grow.

Investing, trading and crypto

Trade Republic, Wealthsimple and Bitpanda offer low-cost investing; Ripple builds crypto payment infrastructure and stablecoins; Kalshi runs a regulated prediction market. Revenue often follows market activity, rising sharply in busy periods.

Lending and buy now, pay later

Tabby and Tamara offer instalment payments in the Gulf, Creditas secured loans in Brazil, and CRED credit products to affluent Indians. Lending can be very profitable but depends on managing credit losses and funding costs.

Why fintechs are valued highly

• Huge markets: payments, banking and lending are among the largest industries in the world.
• Network effects: payment networks and marketplaces become more valuable as they add users and merchants.
• Recurring revenue: transaction-based revenue grows automatically as customers grow.
• Profitability at scale: Revolut, Trade Republic, Mercury and others have shown that fintechs can be highly profitable once large.

The 2021 boom and the reset

Fintech valuations peaked in 2021, when low interest rates and abundant capital pushed many companies to record highs. When rates rose in 2022, several saw their valuations cut sharply. Checkout.com's internal valuation fell well below its 2022 peak; Kavak, a used-car platform with a large financing business, fell about 75%; GoCardless was sold to Mollie at about half its 2022 valuation. Others, such as Revolut and Ramp, have since surpassed their earlier peaks. Our guide to down rounds explains how these resets work.

Interestingly, higher interest rates also helped some fintechs: those holding large customer deposits, such as Mercury and Trade Republic, earned much more interest income, which pushed several to profitability.

Regulation as moat and burden

Financial services are heavily regulated, and licences take years to obtain. That's a barrier for new entrants and a moat for companies that have them. Many fintechs have pursued full bank licences: Revolut in the UK, Mercury in the US, Creditas by acquiring a bank in Brazil, Tabby and Tamara under Saudi rules. Licences bring cheaper funding and more products, but also capital requirements and scrutiny.

Fintech around the world

The US and UK have the largest fintech companies, but strong ecosystems exist in India (PhonePe, Razorpay, CRED, Juspay, Zerodha), Brazil (CloudWalk, Creditas), Germany (Trade Republic, N26), France (Qonto, Pennylane), the Gulf (Tabby, Tamara), Africa (Flutterwave, Moniepoint, Wave, M-KOPA) and Southeast Asia (Airwallex, Tyme). Local payment systems, such as India's UPI and Brazil's Pix, have shaped very different business models in each market.

How to evaluate a fintech

1. Understand the revenue mix: transaction fees, interest, subscriptions or lending.
2. Check sensitivity to interest rates and market activity.
3. For lenders, look at credit losses and funding costs.
4. Check licences and regulatory exposure in each market.
5. Compare the latest valuation with its date; many fintech valuations are from 2021 and may be stale.

What to watch next

Watch IPO plans from Stripe, Revolut, Kalshi and others, new bank licences, stablecoin regulation and adoption, and how falling interest rates affect fintechs that relied on deposit income.

Fintech profitability in practice

For years, fintechs were criticised for growing fast while losing money. That has changed for the largest companies. Revolut reported substantial profits as its customer base passed 50 million; Trade Republic said it had been profitable for three years; Mercury reported profitability on both EBITDA and net income; Qonto, CloudWalk, Juspay and Zerodha are all profitable. Common features of profitable fintechs include a large customer base sharing fixed costs, several revenue streams per customer, income from deposits or lending, and disciplined spending on marketing. Many also benefited from higher interest rates between 2022 and 2024.

The challenge ahead is sustaining profits as interest rates fall and competition intensifies. Fintechs that relied heavily on interest income will need to grow fee-based revenue, such as subscriptions, cards and payments, to keep margins stable.

Stablecoins and crypto infrastructure

A newer fintech category is crypto infrastructure, particularly stablecoins, digital tokens pegged to currencies like the US dollar. US legislation passed in 2025 created rules for stablecoin issuers, encouraging banks, payment companies and fintechs to use them. Ripple launched its own dollar stablecoin, and Stripe has invested in stablecoin infrastructure. Supporters argue stablecoins could make cross-border payments faster and cheaper; sceptics point to regulatory and stability risks. The category is likely to produce new large private companies, as well as change how existing fintechs move money.

Embedded finance

Another trend is "embedded finance": financial services built directly into non-financial products. Software platforms let their customers accept payments, get loans or open accounts without leaving the platform, powered behind the scenes by fintech infrastructure providers such as Stripe, Airwallex and Plaid. Embedded finance spreads fintech revenue across many partners and can grow quickly as platforms add financial features. It also means many companies that don't look like fintechs now earn significant revenue from financial services.

Using this list for business development

For companies selling to fintechs, such as software, data, compliance or infrastructure vendors, the largest private fintechs are attractive targets: they have budgets, complex needs and fast growth. Funding announcements are useful sales signals, as explained in our guide to funding announcements as sales triggers, and our guide to finding decision-makers at private companies covers how to reach the right people.

Combining the list above with recent funding and hiring news helps prioritise which companies to approach first and when, for example shortly after a new round when budgets are expanding.

Fintech and AI

Artificial intelligence is reshaping fintech too. Companies use AI for fraud detection, credit decisions, customer service and compliance. CloudWalk describes itself as AI-first and reports exceptional revenue per employee, while Ramp and Mercury have launched AI agents that handle expenses and banking tasks. Fintechs that use AI to cut costs and improve decisions could widen their lead over slower incumbents.

New fintech profiles: Clip, Rain, Raisin and Imprint

Our database now includes Clip, the Mexican merchant payments company reported at above US$2.5 billion; Rain, the stablecoin card platform valued at US$1.95 billion; Raisin, the European savings marketplace; and Imprint, the co-branded credit card company valued at US$1.2 billion.