subscription billing

Adyen

Pieter van der Does and Arnout Schuijff had already built and sold one payments company when they sat down in 2006 to start again. The result was Adyen — the name literally means "start over" in Surinamese — and the premise was simple: instead of stitching together the same fragmented payment infrastructure everyone else was using, they would build the whole thing themselves from scratch. That decision, made in an Amsterdam office nearly two decades ago, is still the reason Adyen is different. Most payment companies are assemblers — they buy a gateway here, a processor there, bolt them together and hope for the best. Adyen owns its own technology stack end to end, which means a merchant integrating once gets access to card processing, local payment methods, point-of-sale terminals, and real-time settlement data through a single platform. No middle layers, no reconciliation headaches, no finger-pointing between vendors when something breaks. The client list tells you everything about where Adyen sits in the market. McDonald's, Spotify, Microsoft, LVMH, H&M — these are companies with serious payment volumes and zero appetite for systems that don't work. Adyen became the default choice for enterprises that had outgrown the limitations of traditional payment stacks and needed something that could handle global scale without buckling. Since going public on Euronext Amsterdam in 2018, Adyen has grown into one of Europe's most valuable technology companies, with around 4,300 employees across 23 countries and net revenue of just under €2 billion in 2024. It remains headquartered in Amsterdam and consistently profitable — a combination that's rarer in fintech than it should be. For businesses that treat payments as infrastructure rather than an afterthought, Adyen is the benchmark everything else gets measured against.

Founded 2006

Mollie

Adriaan Mol built Mollie's first backend while living with his parents in the Netherlands in 2004. No investors, no office, no team — just a founder and an idea that small businesses deserved a payment integration that didn't require a team of lawyers and a six-month setup process. He bootstrapped it for over fifteen years before taking outside funding in 2019. By then, Mollie had already grown into one of the most important payment platforms in European e-commerce, entirely on the back of a product that developers actually liked using. The proposition is straightforward: one API, one dashboard, and access to the payment methods that actually matter across Europe. That means iDEAL in the Netherlands, Bancontact in Belgium, Klarna and SEPA Direct Debit everywhere, alongside cards, Apple Pay, and a growing list of local methods that would otherwise require separate integrations and separate acquirer relationships. Mollie handles the compliance, the fraud monitoring, and the settlement complexity. Merchants get a clean interface and a single invoice. For the 250,000 businesses using Mollie today — ranging from Gymshark and Wild to local bakeries and market stalls, as CEO Koen Köppen regularly points out — the appeal is less about feature lists and more about what they don't have to think about. European payments are fragmented by design. Every country has its preferred methods, its own regulatory quirks, its own consumer habits. Mollie's job is to make that invisible. The numbers from 2024 reflect a company that has found its model. Revenue reached €214 million, up 28% year on year, with gross profit growing 30% to €115 million and the company returning to positive EBITDA for the first time since 2018. Mollie raised a total of $940 million in funding and was valued at $6.5 billion following its 2021 Series C led by Blackstone. The most significant recent development is the acquisition of GoCardless in December 2025 — bringing the UK-based direct debit specialist into the Mollie group and substantially expanding its recurring payments and bank transfer capabilities across Europe. Combined, the two companies cover a considerable share of European e-commerce payment infrastructure. Mollie is still headquartered in Amsterdam, with around 900 employees across offices in Ghent, London, Lisbon, Munich, Milan, Paris, and beyond.

Founded 2004

SumUp

SumUp is Europe's answer to the merchant services problem: a scrappy fintech that turned point-of-sale payments into something actually accessible. While legacy payment processors still treat small businesses like second-class customers, SumUp built hardware and software that work together seamlessly, letting anyone from a street vendor to a café owner accept cards in minutes, not months. The company started by selling cheap card readers—simple, elegant devices that plugged into phones. But that was just the wedge. Today SumUp offers a stack: card readers, invoicing, basic accounting, and increasingly, working capital tools. It's the financial operating system for the SME who doesn't want to negotiate with a relationship manager. What sets SumUp apart in Europe is its refusal to stay in the payments lane. Most competitors eventually build one feature and call it a day. SumUp keeps layering—acquiring merchant acquirer licenses, launching its own acquiring infrastructure in key markets, adding payment links and e-commerce solutions. The company operates across Western Europe and beyond, working with hundreds of thousands of merchants who are too small for traditional banking but too important to ignore. SumUp represents the practical, unglamorous evolution of fintech: it's not trying to reinvent banking or blockchain. It's solving the cash flow problem for people who actually run businesses. That's a bigger opportunity than it sounds.

Founded 2012

Trustpayments

Modern enterprise payment infrastructure for the omnichannel era. Trustpayments sits at the intersection of commerce and financial services, handling the plumbing that lets retailers, marketplaces, and platforms accept payments across every surface—online checkouts, physical stores, subscription models, invoices, you name it. Rather than stitching together five different providers, enterprises get a unified orchestration layer that routes transactions intelligently, manages recurring billing without friction, and gives finance teams visibility they actually want. The company targets the complexity that emerges when scale matters. A retailer with a chain of 200 stores, an e-commerce platform with dozens of payment methods, or a SaaS company billing in 15 currencies—these are the problems Trustpayments solves. It's a European alternative to the Adyens and Stripes of the world, though with particular strength in enterprise clients who need sophistication without the overhead of custom integration. Trustpayments competes on transparency and control. While many payment processors obscure the mechanics, Trustpayments gives merchants the ability to orchestrate payment flows, customize retry logic, and access real-time settlement data. It's the operating system for payments rather than just a processor. In the broader fintech landscape, Trustpayments represents the European push to regionalize critical infrastructure. Payment processing has long been dominated by American-born giants, and companies like this are shifting the conversation—proving that European enterprises can build the complexity-handling platforms multinationals actually need.

Founded 2014

GoCardless

GoCardless began as an Oxford University side project. Hiroki Takeuchi, Tom Blomfield, and Matt Robinson were trying to solve a mundane problem — splitting bills among housemates without the awkwardness of chasing people for cash — and kept running into the same wall: bank payments were inaccessible to developers, buried behind banking relationships and legacy infrastructure that assumed you were a large corporation. Their solution became a company. Blomfield would later leave to co-found Monzo, but Takeuchi stayed and built GoCardless into one of Europe's most significant payments businesses. The product sits in an unglamorous but essential corner of the payments market: direct debit and bank-to-bank transfers for recurring payments. Card payments get most of the attention in fintech, but the plumbing of subscription billing, utility direct debits, and B2B invoice collection runs on bank payment rails — and those rails are fragmented across Europe in ways that make simple problems genuinely complex. GoCardless built the abstraction layer that makes it invisible. A SaaS company or utility in the UK, France, Germany, or Australia connects once to the GoCardless API and gains access to the local direct debit scheme in each market, without having to navigate each scheme independently. The platform processes over $130 billion in payments annually for more than 100,000 businesses, including significant enterprise clients. Revenue reached £126.8 million in FY2024, up 38% year on year. The company has not yet reached sustained profitability — it reported a pre-tax loss of £34.5 million for FY2024, though the loss had halved from the prior year — and cut staff by around 20% as part of a restructuring aimed at reaching breakeven. The most significant development in GoCardless's recent history is also the most consequential for its independence: in December 2025, Dutch payments company Mollie agreed to acquire GoCardless for approximately $1.1 billion. The deal, expected to complete in mid-2026 pending regulatory approval, brings together Mollie's card payment infrastructure for 250,000 SME merchants with GoCardless's bank payment and recurring billing capabilities — creating a combined entity serving over 350,000 businesses with a more complete European payments stack. The acquisition values GoCardless below its $2.1 billion peak valuation from its 2022 Series G round, reflecting both the company's ongoing losses and the broader compression of fintech valuations since 2022. For Takeuchi — who returned to lead GoCardless through rapid international expansion after a cycling accident in 2015 left him paralysed from the waist down — the deal represents a substantial exit and a new chapter for the infrastructure he spent fourteen years building.

Founded 2011

PayGreen

PayGreen is a French payment orchestration platform built for the mobile-first era. Rather than forcing merchants through legacy payment infrastructure, PayGreen sits between the checkout and the bank, intelligently routing transactions across multiple payment methods and acquiring partners to optimize conversion and cost. The platform handles card payments, local payment methods, subscriptions, and marketplace payouts—all from a single integration point. What sets PayGreen apart is its emphasis on merchant control and transparency. Instead of hiding behind proprietary algorithms, it lets businesses see exactly how their transactions are being processed, what they're paying, and which methods work best for their customers. This matters particularly in markets like France and Southern Europe where payment preferences fragment wildly—a customer in Lyon might prefer a completely different checkout flow than one in Paris. The company positions itself as the anti-Stripe for merchants who've outgrown the one-size-fits-all model but don't want to hire a payments engineering team. It's equally comfortable powering a high-volume e-commerce operation as it is managing recurring billing for SaaS platforms or handling marketplace settlements. PayGreen operates across Europe but maintains particularly strong roots in France and the French-speaking fintech ecosystem. In the broader landscape, PayGreen represents a shift toward more granular, configurable payment infrastructure—the idea that payment orchestration isn't a feature you bolt on, but a core business decision that deserves transparency and control.

Founded 2014

Payplug

Payplug is a French payment infrastructure company that helps SMEs and mid-market businesses accept payments online and in-store. Founded in 2012, it's built a reputation for making payment acceptance friction-free—something most European merchants still struggle with despite living in 2024. The platform handles card payments, invoice payments, and subscription billing through a single dashboard. Payplug removes the complexity of payment processing: no technical setup required, no need to manage multiple payment providers, no hidden fees. It's the kind of tool that works best when you forget it's there. In a crowded European payments market dominated by legacy players and American gatekeepers, Payplug stands out by focusing obsessively on the SME segment rather than chasing enterprise deals. Its growth has been steady but unglamorous—which is exactly how French fintech should work. The company raised €60 million in 2021 and reached profitability, a rarity in the payments space where many competitors are still burning cash to fight for market share. Payplug represents the maturing of European payment infrastructure: local, profitable, and built for merchants who don't have time for venture-scale complexity. It's an essential player in the infrastructure layer that powers European e-commerce.

Founded 2012

Slim Pay

Slim Pay sits at the intersection of payments and open banking, quietly solving the friction that still exists when businesses want to collect money directly from customer bank accounts. The company has built a pan-European network that lets merchants and platforms initiate payments via SEPA Direct Debit and bank transfers, cutting through the complexity of fragmented payment rails across different countries. What makes Slim Pay distinct is its ability to orchestrate these flows seamlessly—no need to manage separate integrations for France, Germany, or Scandinavia when you want to scale across Europe. The platform works as both a white-label solution for financial institutions and a direct API for fintechs and merchants looking to embed bank-originated payments into their own applications. In a market flooded with card payment startups, Slim Pay has built its reputation on doing one thing exceptionally well: making account-to-account payments simple, compliant, and profitable. The company's model reflects a matured understanding of European payments infrastructure—it partners with banks rather than fighting them, which has made adoption among established financial services players remarkably smooth. For subscription businesses, marketplaces, and lending platforms, Slim Pay offers a genuinely different lever for payment collection, one that costs less than cards and works for customers without a credit card. It's the kind of boring-but-essential infrastructure that the fintech ecosystem actually needs.

Founded 2009

Twikey

Twikey sits at the intersection of payment orchestration and direct debit management, solving a problem most European fintechs have overlooked: how to automate recurring payments at scale. The platform enables businesses to collect payments via SEPA direct debit, card, and bank transfer—all orchestrated through a single API that feels less like legacy plumbing and more like modern infrastructure. Rather than forcing companies to juggle multiple payment rails and compliance frameworks, Twikey abstracts the complexity into intuitive workflows that handle mandate management, collections, and reconciliation with minimal friction. What sets Twikey apart is its obsession with the boring-but-critical work: ensuring compliance across jurisdictions, reducing failed payments through intelligent retry logic, and making recurring billing feel frictionless for both merchants and their customers. The company operates primarily in Western Europe but has built a platform designed to scale across the continent. In a landscape crowded with payment processors chasing flashy one-off transactions, Twikey has carved out territory in the unglamorous but lucrative recurring payment economy, where consistency and reliability matter far more than novelty. It's fintech infrastructure that doesn't try to be sexy—it just tries to work.

Founded 2013

Paddle

Selling software globally sounds straightforward until you encounter the reality of VAT compliance across 50 jurisdictions, the complexity of handling subscriptions across multiple payment methods, and the operational overhead of managing refunds, chargebacks, and payment failures at scale. Paddle was founded in London in 2012 as a merchant of record for software companies — taking on the legal and tax liability of selling software globally so that the software company doesn't have to. Rather than acting as a payment processor, Paddle actually buys the software from the vendor and resells it to the customer, making it responsible for tax collection, compliance, and financial reporting in every market where the sale occurs. That model — unusual in the payments landscape — removes an enormous operational burden from software companies that want to sell globally without building a compliance team. Paddle has grown into one of the most significant infrastructure providers for the European and global software industry, serving thousands of software companies from indie developers to enterprise SaaS businesses. Its acquisition of ProfitWell in 2022 added subscription analytics and revenue optimisation tools to the platform, turning it from a payment infrastructure provider into a broader revenue management platform for software companies.

Founded 2012

Worldpay

Worldpay is one of Europe's most established payment infrastructure plays, handling transactions at the backbone of commerce across the continent. The company processes payments for retailers, e-commerce merchants, and financial institutions, sitting at the critical intersection where customer intent becomes settled value. Rather than chasing consumer attention, Worldpay operates in the plumbing layer—orchestrating card payments, merchant acquiring, and real-time settlement across borders with the quiet efficiency of infrastructure that's been stress-tested for decades. It's the kind of company most Europeans have never heard of but rely on every time they buy something online or in-store. What sets Worldpay apart in a crowded acquiring space is its scale and geographic reach. While newer fintech challengers chase flashy use cases, Worldpay manages the unglamorous work of connecting merchants to banks, processing disputes, and maintaining 99.9% uptime across payment rails that move billions. The company has evolved from a pure processor into a platform, offering tools for payment orchestration, subscription billing, and omnichannel commerce support. Its strength lies not in disruption but in resilience and reach—it powers payments for everything from corner shops to multinational retailers. In the European fintech ecosystem, Worldpay represents institutional financial infrastructure: old enough to be trusted, large enough to absorb regulatory change, and integrated deeply enough that replacing it would be prohibitively complex for most businesses.

Founded 1989

Pay.nl

Pay.nl is a Dutch payment processor built for the complexity of modern commerce. Rather than forcing merchants into a one-size-fits-all payment flow, it offers a modular approach where acquirers, payment methods, and risk tools snap together like building blocks. This flexibility appeals to mid-market retailers and platform operators who've outgrown off-the-shelf solutions but don't have the resources to build from scratch. The company positions itself as the pragmatic middle ground in European payments. While fintechs chase consumer flashiness and traditional PSPs move at legacy speed, Pay.nl focuses on the unglamorous reality of merchant operations: payment routing, multi-currency settlement, real-time reconciliation, and developer experience. Its API-first architecture means integrations take weeks instead of quarters. Pay.nl operates across the full payment stack—card acquiring, alternative payment methods, tokenization, subscription billing—but treats them as components rather than marketing bullets. This modular thinking extends to risk management and compliance, which the company bundles without overhead. Within Europe's crowded payments landscape, Pay.nl competes less on consumer reach and more on merchant control. It's the choice for companies that care about payment economics and operational efficiency rather than brand building. Its role in the broader ecosystem is to mature the middle market, proving that European merchants don't need either a tech giant's infrastructure or a startup's rough edges.

Founded 2007