Banking on a Mission

purpose-driven banking.

Get Started
Log in to your account



Why does M1 Bank in Des Peres have a 4,000 year old olive tree trunk in its lobby? Hope, renewal, and a hollowing out to produce new fruit – it’s all part of the beautiful story told by The Thread STL.


The best
possible returns.
The highest
possible impact.

M1 Bank provides market-leading returns through expert investment in quality affordable housing and renewable energy.

About Us


Columbus Day

M1 Bank is closed in observance of Columbus Day and will resume normal business hours tomorrow, October 11th.