Build vs Buy Decision Framework for Fintech Founders

Every fintech founder faces the build versus buy decision. Should we build our own payment processor or integrate Stripe? Should we build our own KYC workflow or use Onfido? Should we build our own crypto custody solution or use Fireblocks? The answers are never clear. Building gives you control but costs engineering time. Buying gives you speed but creates dependency. The decision framework we use with our fintech clients separates the critical decisions from the reversible ones. ...

March 14, 2026 · 4 min