Top Financial Transaction Processing Companies

At American Express, our culture is built on a 175-year history of innovation, shared values and leadership behaviors, and an unwavering commitment to back our customers, communities, and colleagues. As part of Team Amex, you’ll experience this powerful backing with comprehensive support for your holistic well-being and many opportunities to learn new skills, develop as a leader, and grow your career. Here, your voice and ideas matter, your work makes an impact, and together, you will help us define the future of American Express. Check out the recent awards we’re proud of: • #4 on Great Place to Work's Best Companies to Work For - 2025 • #10 on Fortune's World's Most Admired Companies - 2025 • #16 on LinkedIn's Top 25 Best Workplaces in the UK- 2023 • GTI Best Internship or Placement Programme Award in UK - 2023 • Bloomberg Gender-Equality Index (since 2015) - 2023

People deserve more from their money. More visibility, more control, and more freedom. Since 2015, Revolut has been on a mission to deliver just that. Our powerhouse of products — including spending, saving, investing, exchanging, travelling, and more — help our 75+ million customers get more from their money every day. As we continue our lightning-fast growth,‌ 2 things are essential to our success: our people and our culture. In recognition of our outstanding employee experience, we've been certified as a Great Place to Work™. So far, we have 13,000+ people working around the world, from our offices and remotely, to help us achieve our mission. And we're looking for more brilliant people. People who love building great products, redefining success, and turning the complexity of a chaotic world into the simplicity of a beautiful solution.

Mastercard is a global technology company in the payments industry. Our mission is to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions, governments and businesses realize their greatest potential. Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. With connections across more than 210 countries and territories, we are building a sustainable world that unlocks priceless possibilities for all.

Fiserv, Inc. is a leading global technology provider serving the financial services industry, driving innovation in payments, processing services, risk and compliance, customer and channel management, and business insights and optimization.

Wise was launched in 2011 with the vision of making international money transfers cheap, fair, and simple. Today, our multi-currency account helps millions of people and businesses manage their money across the world. Like many good stories, this one starts with two friends. They’re both from Estonia. Taavet, who was the first employee at Skype, lived in London but got paid in euros. Kristo worked for Deloitte, also lived in London, and got paid in pounds. But he had a mortgage in euros back in Estonia. They both moved their money with their banks — which had expensive fees and bad exchange rates. They knew there had to be a better way. So they put their heads together and invented a beautifully simple workaround. Watch the full story: https://youtu.be/a-OcXhIbaDE Today, there are more that 6,000 of us helping 12.8 million active customers to save money. We’ve saved our customers ~£1.8bn compared to banks over the past year. We move around £30 billion across borders each quarter. Visit wise.jobs to join us. This is just the beginning.

We’re Checkout.com. We work with global companies like eBay, ASOS, Klarna, Uber Eats, and Sony, to power their payments from behind the scenes. With a global digital network and extensive expertise, our mission is to help businesses thrive with high-performing payments. Because when payments just work, businesses grow, customers stay, and no one stops to think about why. We have the energy of a start-up on a global scale, with 19 offices across six continents and a HQ in London. All of our people are driven, ambitious, and performance-obsessed, because working here is a chance to grow faster than anywhere else, and build the future of fintech.

We partner with the world’s leading financial institutions, with over US$2.4 trillion in assets on platform (AoP). Together with our clients, we empower nearly 30 million people across all wealth segments to invest in their future. With over 7,000 employees in 30+ global locations, FNZ’s mission is to open-up wealth, helping everyone, everywhere to invest in their future on their terms. FNZ combines technology, infrastructure, and investment operations in a single state-of-the-art platform that frees its partners to create hyper-personalized and innovative products and services, that are seamlessly aligned with the needs of their clients.

About Equiniti Group (EQ) EQ is a leading international provider of tech-enabled shareholder, retirement and remediation services. With over 6,000 employees, it supports over 40 million people in the UK, US and across the globe. Our vision is to be the leading global share registrar and transfer agent, offering complementary services to our client base.