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.

PayNearMe develops technology to facilitate the end-to-end customer payment experience. It offers a billing and payment platform. Its platform helps users pay with cash for a range of goods and services from companies in e-commerce, property management, consumer finance, and transportation, enabling businesses and government agencies as well as retail stores to digitize cash collection processes. PayNearMe was formerly known as Handle Financial. The company was founded in 2009 and is based in Santa Clara, California.

TouchBistro is a company that focuses on providing an all-in-one point of sale (POS) and restaurant management system in the restaurant industry. The company offers a range of services including front of house, back of house, and guest engagement solutions, which help restaurateurs streamline their operations, manage their menu, sales, staff, and more. These services are designed to increase sales, improve guest experiences, and save time and money. It was founded in 2011 and is based in Toronto, Ontario.

Lemonway is a payment institution that specializes in providing payment processing and wallet management solutions for marketplaces, crowdfunding platforms, and e-commerce websites. The company offers a modular payment system that enables clients to handle transactions, from collection to disbursement, with a focus on KYC/AML regulatory compliance. Lemonway primarily serves the e-commerce industry, crowdfunding platforms, and other online marketplaces. It was founded in 2007 and is based in Paris, France.

ToneTag is a company specializing in soundwave-based communication and payment technologies within the financial and retail sectors. The company offers a range of products that facilitate contactless payments, voice-assisted transactions, and sound-based data communication for businesses and customers, ensuring secure and convenient interactions. ToneTag's solutions cater to various business types, including grocery, food and beverage, and banking services, providing them with tools for in-store and online operations. It was founded in 2013 and is based in Bengaluru, India.

Klarna specializes in providing payment solutions and services within the e-commerce sector. The company offers a platform for online shopping that includes price comparisons, deals, and various payment options to facilitate purchases for consumers. Klarna primarily serves the e-commerce industry by enabling a seamless shopping experience through its payment and financing services. It was founded in 2005 and is based in Stockholm, Sweden.