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Sumsub sells identity verification and anti-fraud software that lets businesses check who their customers really are.
Sumsub is an identity verification company. It makes the software that answers a simple but surprisingly hard question for online businesses: is this person who they say they are? When you sign up for a crypto exchange, a fintech app, or some marketplaces, there is a good chance Sumsub's tools are the ones quietly checking your passport photo, matching your face to it, and flagging anything that looks like fraud.
The core product is a verification system that checks identity documents and compares a selfie to the ID to confirm a real human is behind the screen. On top of that, Sumsub sells compliance tools that help businesses meet "know your customer" (KYC) and anti-money-laundering (AML) rules, plus anti-fraud software that spots fake accounts, stolen identities, and suspicious behavior. Its customers are mostly fintech, crypto, and marketplace businesses — companies that need to onboard lots of users fast, but cannot afford to let bad actors through. They pay Sumsub a subscription-style fee rather than building this messy, rule-heavy machinery themselves. The appeal is speed and regulation in one box. Identity rules differ by country, get updated constantly, and carry real penalties if a business gets them wrong. Sumsub's pitch is that it keeps up with all of that so its customers don't have to, and it can verify a user in seconds rather than days. That "verify fast, stay compliant" combination is why growing digital businesses pick it over rolling their own checks or stitching together slower legacy providers.
Sumsub is a private company headquartered in London, so there is no stock to buy. It sits in a crowded and competitive market — rivals include other identity-verification specialists and big general-purpose players like Okta in the broader identity space. The main risk is that this is a trust business: if verification is too strict, customers lose good users; too loose, and fraud slips through. Sumsub's bet is that it can thread that needle better and cheaper than anyone else.
Saved answer · last researched 15 Nov 2026