Based in Switzerland, checksum AG is a startup.
Checksum provides an all-in-one checkout and payment solution for merchants, offering mobile payment terminals (Charly, Samy), an Android payment app (tapypay) and a merchant portal for transaction and VAT reporting. The company integrates with payment processors such as PostFinance, Worldline and Nexi and handles onboarding and payment processing setup for merchants.
Funding rounds, investor list, risk signals, and comparable startups, all gated to subscribers.