KYC/KYB completion rate measures the percentage of customers who successfully finish identity verification (Know Your Customer for individuals, Know Your Business for companies) out of all who start the process.

This metric sits at the intersection of compliance, product, and customer experience. A low completion rate means you're bleeding potential customers at onboarding—either because your verification flow is too friction-heavy, your document capture fails on certain devices, or your identity provider rejects legitimate users. Every point you lose here is revenue that never arrives.

The best fintech CX teams treat KYC/KYB completion as a support metric, not just a product metric. They monitor where users drop off, what error messages they see, and how many reach out to support mid-flow. They also track time-to-completion: a 95% completion rate means nothing if it takes users three days and four support tickets to get there.

Benchmark targets vary by customer type. Consumer fintechs typically aim for 85-95% completion rates. B2B platforms doing KYB often see 70-85% due to the complexity of business documentation. If you're significantly below these, your verification partner or flow design needs work.

Related terms: First contact resolution, Customer effort score, Onboarding time