Local independent fiduciary supporting you now and into the future.

Who We Are

A local, experienced independent fiduciary firm with institutional permanence and individual flexibility.

Momentous Trust Company is a Washington state-chartered full-service independent fiduciary trust firm providing trust administration and estate settlement and administration services.

What We Do

Trust Administration | Estate Settlement

Our team works closely with attorneys, CPAs, investment advisors, and other professionals—as well as families and individuals—to administer trusts of all types and to settle estates with care, efficiency, and integrity.

Why Choose Momentous Trust Company

At Momentous Trust Company, clients receive the strength and stability of an institutional fiduciary paired with the responsiveness and individualized attention of an independent firm. Our size, structure, and values allow us to deliver meaningful care while maintaining a competitive and transparent fee approach.

What Sets Us Apart