The 2026 Sponsor Bank Due Diligence Checklist
What banks actually look for in a sponsor bank due diligence review, organized in the order a BSA officer reads it. Written by a former Federal Reserve Bank Examiner who has sat on both sides of the table.
What's Inside
- Corporate GovernanceThe five board-level signals a BSA officer reads before opening the policy documents.
- BSA/AML Program ArchitectureThe seven program elements that distinguish a real BSA program from a PDF library.
- Consumer Protection and UDAAPWhat the bank's compliance team will pull from your marketing copy, disclosures, and complaint handling.
- Third-Party Risk ManagementThe vendor inventory, due diligence playbook, and contract language sponsor banks expect to see.
- Information Security and GLBAWhat the Safeguards Rule requires of fintechs operating through a sponsor bank relationship.
- Self-Scoring Tier SystemA three-tier readiness model that lets you self-assess in 30 minutes and know where you stand.
- Examiner Notes ThroughoutEach item annotated with what a BSA officer is thinking when they read it. The real test, not the cover-page test.
Who This Is For
This checklist is built for fintech founders, compliance leaders, and operating teams who are preparing for, in the middle of, or recovering from a sponsor bank due diligence process. It is most useful for pre-Series A fintechs approaching their first sponsor bank conversation, embedded finance providers managing multiple sponsor bank relationships, and BaaS program managers operating under live program agreements.
It is also useful for community banks and credit unions auditing an existing fintech partnership against current OCC, FDIC, and Federal Reserve third-party risk management expectations.
Why It Exists
Most fintech founders underestimate what bank-ready means. Not by a little. By about six months and $80,000 in legal and consulting spend that produces a findings report but not a functioning compliance program.
The gap between what fintechs think banks want and what banks actually require is not a knowledge gap. It is an experience gap. Most fintech founders have never read an OCC examination manual. They have never sat across the table from a BSA officer who is deciding whether a fintech program passes muster. They have never had to explain to a bank's board why their third-party risk management program is adequate. This checklist is built to close that gap.
Ready to Close the Gap?
If your sponsor bank conversation is within 90 days and more than 25% of these items are in Tier 3, do not wait. Book a 20-minute discovery call. No pitch. Direct assessment of where you stand and what the bank is going to ask for next.
Book a Discovery CallWant briefs like this monthly? Email castleigh.johnson@gmail.com with "Subscribe" in the subject line.
Not legal advice. Clients requiring legal counsel are referred to qualified fintech attorneys.