Blog
Notes from the build.
Field reports, product updates, and short essays from the team building Northbank — for finance leads, founders, and operators.
Latest posts
Writing from the team.
- Why we built our own treasury engine A look at the trade-offs that pushed us to build the cash-management infrastructure ourselves instead of routing to a third-party fund operator. April 22, 2026.
- A founder's guide to operating accounts How to structure accounts so they survive a hiring spree, a fundraising round, and an audit — without three months of cleanup. March 14, 2026.
- What ledger correctness means at scale Six lessons from running a high-volume ledger for ten thousand business customers without losing a cent or breaking causality. February 6, 2026.
- Spending controls that respect builders How we designed card-issuance and policy controls that finance teams actually trust — and that engineers do not have to fight to use. January 8, 2026.
- A brief history of business banking, in five eras How U.S. business banking went from paper drafts to programmable balances — and what the next decade is likely to undo. November 18, 2025.