POS payments

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

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

Nexi

Nexi is Italy's largest payment services operator, controlling the infrastructure that moves money across the country's retail and corporate sectors. Founded in 2013 through a merger of two major Italian payment processors, it manages card transactions, merchant acquiring, and digital payment rails for banks, retailers, and businesses across Europe. The company operates across the full payments stack—from traditional POS terminals and card networks to modern API-based solutions and instant payment systems. Unlike most fintech startups, Nexi doesn't target consumers directly. Instead, it powers the payment backbone for Italian and European financial institutions and retailers, processing tens of billions in transactions annually. Its business model sits at the intersection of traditional payment infrastructure and modern open banking, positioning it as a critical node in Europe's shift toward real-time payments and embedded finance. Nexi's role is unglamorous but essential: it's the plumbing that makes modern commerce work, handling everything from contactless cards to mobile wallets to cross-border transfers. In the broader European fintech landscape, it represents the "boring" but profitable core—the infrastructure layer that fintechs themselves depend on to function.

Founded 2013

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

Smile and Pay

Smile and Pay operates in a curious corner of fintech where payment infrastructure meets merchant empowerment. The company builds point-of-sale and payment processing solutions designed for small retail businesses and merchants who want more control over their transaction flows and customer data. Rather than simply routing payments through legacy acquiring rails, Smile and Pay emphasizes a merchant-first approach to payments—letting retailers integrate flexible payment acceptance across channels without surrendering visibility or margin to traditional payment networks. The platform combines elements of merchant acquiring, payment gateway functionality, and POS software into a single stack. This matters because most merchants still rely on fragmented tooling: a POS system here, a payment processor there, reporting scattered across multiple dashboards. Smile and Pay attempts to consolidate these functions, making it easier for independent retailers to accept cards, digital wallets, and alternative payment methods from a unified interface. In the European context, where merchant acquiring remains dominated by large banking groups and a handful of global players, Smile and Pay positions itself as an alternative that respects merchant economics and data ownership. The company operates in a space where fintech adoption is still unevenly distributed—large chains have sophisticated payment infrastructure, while mid-market and independent retailers often lag. Smile and Pay targets this gap, offering both technical capability and commercial terms that treat merchants as stakeholders rather than transaction volume. For the broader payments ecosystem, Smile and Pay represents the ongoing shift toward API-first, software-driven payment infrastructure that challenges the traditional acquiring model and puts merchant control back at the center of payment experience.

Satispay

Satispay cuts through the noise of payment processing by letting consumers pay directly from their bank account at checkout, skipping cards entirely. It's a mobile-first payment solution that arrived in Europe when digital wallets were becoming ubiquitous, but with a twist: it works offline and without requiring consumers to pre-load funds or enter card details repeatedly. The company operates across Italy, France, Belgium, and other European markets, positioning itself as a bridge between traditional banking and modern commerce. Rather than competing head-to-head with card networks, Satispay enables merchants to accept payments through a lightweight app integration, with consumers confirming transactions via their phones in seconds. What sets Satispay apart is its focus on simplicity and lower merchant costs compared to card acquiring. While payment gateways obsess over feature parity with every major card scheme, Satispay keeps the experience minimal: scan, tap, pay. It appeals to retailers tired of high interchange fees and consumers who prefer direct bank debits over recurring card charges. In a fragmented European payments landscape, Satispay represents a pragmatic alternative to cards for in-store and online commerce, carving out space by solving a specific friction point rather than trying to be everything.

Founded 2013

ICEPAY

ICEPAY is a Dutch payment processor that handles everything from card transactions to alternative payment methods across Europe. The company powers checkout experiences for thousands of merchants, managing the complex plumbing of converting customer intent into settled funds. What sets ICEPAY apart is its focus on European merchants—particularly mid-market businesses that need more than a one-size-fits-all gateway. The platform bundles payment processing with risk management, offering fraud detection and chargeback protection alongside the standard card rails. It's built for merchants who want flexibility without complexity, handling both online and in-store payments through a unified infrastructure. ICEPAY operates in a crowded space where most competitors either stay focused on pure payment processing or sprawl into adjacent services. The company positions itself as the European alternative to global juggernauts, with deeper understanding of regional payment preferences and compliance requirements. It's a pragmatic choice for businesses scaling across multiple European markets—less startup energy, more mature operational backbone. In the broader fintech ecosystem, ICEPAY represents the unglamorous but essential layer: the infrastructure that makes European commerce work behind the scenes.

Founded 2007

Paymentsense

Paymentsense is a UK-based payments processor that handles card transactions for small and mid-sized businesses, from independent retailers to hospitality venues. The company provides point-of-sale solutions, online payment gateways, and mobile card readers—essentially the infrastructure that lets a corner shop or restaurant accept card payments without building their own payment stack. Founded in the late 2000s, Paymentsense grew by targeting the underserved SME market, offering straightforward pricing and integrated solutions rather than the fragmented, opaque fee structures that dominated the market. They operate across the UK and Europe, processing billions in transaction value annually through a network of acquiring partners and direct merchant relationships. In a crowded field of payment processors, Paymentsense sits between the legacy providers (with their byzantine fee schedules) and the newer fintech darlings (which often focus on e-commerce). They've maintained relevance by staying practical: decent integration, reliable infrastructure, and merchant support that doesn't require a finance degree to understand. The company was acquired by Ingenico (now Worldline) in 2019, giving it institutional backing while preserving its merchant-focused positioning. As consolidation reshapes European payments, Paymentsense represents the pragmatic middle ground—not revolutionary, but essential infrastructure for thousands of businesses that need to process cards without the complexity.

Founded 2008

myPOS

myPOS is a fintech company that sits at the intersection of payments and merchant services, focused on modernizing how small businesses and entrepreneurs handle transactions across Europe. Rather than forcing merchants into legacy payment processing workflows, myPOS bundles hardware, software, and financial services into a seamless ecosystem that feels native to how modern retailers actually operate. The platform combines point-of-sale systems, payment processing, and merchant acquiring into a single integrated offering, with particular strength in high-risk verticals where traditional acquirers have historically been hesitant. What sets myPOS apart in the European market is its commitment to serving the long tail of merchants—from food vendors and boutiques to service providers—without the bureaucratic friction that characterizes incumbent payment processors. The company has built its infrastructure to support cross-border operations across multiple European markets while maintaining competitive pricing that doesn't penalize small transaction volumes. In the broader fintech landscape, myPOS exemplifies the shift toward vertical integration in payments, where success increasingly depends on controlling the full merchant experience rather than being relegated to a single layer of the payment stack.

Founded 2012

Paysafe

Paysafe is a global payments and digital wallet platform that processes transactions across every channel—online, mobile, and in-store. Built for merchants who need to move money faster and reach customers everywhere, it combines payment processing, merchant acquiring, and digital wallet technology into a single operating system that handles cards, digital wallets, bank transfers, and alternative payment methods across 190+ countries. The company operates at the intersection of consumer preference and merchant necessity. While most traditional payment processors optimize for a single channel or region, Paysafe bundles acquiring, processing, and risk management into an integrated stack. This means merchants—from mid-market retailers to enterprise platforms—don't juggle multiple vendors; they get a unified dashboard, consistent fraud controls, and seamless settlement across geographies. Paysafe stands apart through its operating model: it owns its own processing infrastructure and acquiring licenses in key markets, giving it speed and control that pure software plays can't match. The company serves mid-market and enterprise merchants across North America, Europe, and Asia-Pacific, processing billions in transaction volume annually. Its digital wallet product, PaysafeCard, is a trusted brand in Europe for prepaid payments and alternative payment methods. In the crowded fintech landscape, Paysafe represents the "infrastructure as competitive advantage" thesis—a reminder that sometimes the fastest way to scale payment innovation is to own the pipes, not just the software layer on top of them.

Founded 2000

payever

Multi-channel commerce has a payments problem. Selling through a web shop, a physical till, a mobile app, and a B2B portal often means juggling separate payment systems, separate inventories, and separate reporting — a fragmentation that limits what merchants can actually do with their commerce data. payever was founded in Hamburg in 2013 to consolidate that mess into a single platform. Its commerce operating system combines payment processing, point-of-sale software, marketing tools, and shop-building capabilities into one infrastructure, targeting SMEs that want unified commerce capability without integrating dozens of point solutions. The product breadth is unusual — most companies in this space focus on either payments or commerce tools, not both — and reflects a deliberate bet that small merchants want fewer vendors rather than more. payever has expanded across European markets and built a user base in the segment of merchants whose needs are too complex for a basic payment terminal but too modest for an enterprise commerce platform. In the European SME commerce technology landscape, where Shopify dominates the e-commerce side and traditional acquirers dominate physical payments, payever's positioning as a consolidator across both is a genuinely different competitive position.

Founded 2013

AidePay

Specialised payment infrastructure for the food and hospitality sectors has become one of the more interesting niches in European fintech — a category where vertical depth in a specific industry beats horizontal scale across many. AidePay was founded in Paris in 2018 to serve the French restaurant and food service market with payment solutions designed for the specific operational realities of the sector. Restaurant payments have particular requirements — table-side payment terminals, integrated tip handling, split bill functionality, integration with point-of-sale systems that range from modern cloud platforms to ancient legacy systems still running across French restaurants. AidePay built its product around those specific needs rather than adapting general-purpose payment terminals to a hospitality context. The company has expanded across the French market and into adjacent verticals where similar dynamics apply. In the French payments landscape, where SumUp and traditional bank acquirers compete for general SME merchants, AidePay's vertical focus on food service and hospitality represents a different competitive strategy — building product depth in one industry rather than feature breadth across many.

Founded 2018