Stripe operates as a technology company that specializes in online payment processing and financial infrastructure for Internet businesses. The company provides a suite of products that enable businesses to accept payments, manage billing and subscriptions, handle in-person transactions, and integrate various financial services into their operations. Its platform is designed to support startups, enterprises, and everything in between with scalable, API-driven solutions. Stripe was formerly known as DevPayments. It was founded in 2010 and is based in South San Francisco, California.

BlueSnap, formerly Plimus, is a flexible payment solutions provider delivering a customizable platform to global online businesses such as software publishers, web hosting companies, and online retailers. BlueSnap builds and manages online businesses for software publishers, web hosting companies and online retailers. A business can choose BlueSnap hosted application that spans the entire e-Commerce lifecycle, or it can deploy the BlueSnap API which allows retailers to integrate the technology with existing solutions. Using BlueSnap software, retailers can deliver newsletters to customers, coupons and promotions, realtime reporting, and live chat amongst other features.

Checkout.com offers companies to accept payments around the world through one application program interface. It facilitates an integrated payment processing platform allowing the processing of payments in real-time, sending payouts, issuing, processing, and managing card payments. It also offers fraud prevention and secure authentication. The company was formerly known as Opus Payments. It was founded in 2012 and is based in London, United Kingdom.

NIUM specializes in modern money movement within the financial technology sector. Its main offerings include a platform for cross-border payments, card issuance services, and banking-as-a-service solutions, designed to facilitate global financial transactions for businesses. NIUM primarily serves financial institutions, travel companies, payroll providers, spend management platforms, and global marketplaces. NIUM was formerly known as InstaReM. It was founded in 2014 and is based in Singapore.

Payall operates as a cross-border payment processor for banks operating in the financial technology sector. The company offers automated compliance and risk management solutions to facilitate international transactions. Payall's technology provides a global platform with accounts and special-purpose payment processing for global payments, along with payout options for recipients. It was founded in 2018 and is based in Miami Beach, Florida.

Planet Payment specializes in tax-free shopping services and (Value Added Tax) VAT refund solutions within the retail and hospitality sectors. The company offers a VAT refund service for international shoppers and provides businesses with end-to-end payment solutions and tax-free refund processes. Planet Payment was formerly known as Fintrax. It was founded in 1985 and is based in Galway, Ireland.