Sumsub is a kyc compliance firm based in London, United Kingdom that sumsub is a verification and compliance platform providing kyc, kyb, aml screening, and fraud prevention tools. founded in 2015 and headquartered in london, it verifies individuals and businesses for financial institutions, fintechs, and crypto companies. the company reports verifying more than 2 million people per day and serving around 2,000 customers. it was named a leader in the 2025 idc marketscape for worldwide identity verification in financial services. They serve clients in Global. Sumsub is listed on The Token Playbook's vetted provider registry at thetokenplaybook.com/registry/sumsub.