Business Service Company

Geffen Mesher

Portland accounting and consulting firm offering tax, benefit plan and advisory services to businesses since 1933

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TrustList summary

Geffen Mesher is an accounting and consulting firm based in Portland, with CPAs, consultants and business advisors. The firm has operated since 1933 and serves businesses across a range of industries.

What Geffen Mesher does

State and local tax: advice on state and local tax matters for businesses.
Employee benefit plans: reporting guidance for plan administrators, including reporting deadlines.
Federal tax changes: guidance for employers on new federal rules, such as IRS guidance on the qualified overtime deduction and the 1099 reporting thresholds.
Unclaimed property: advice for businesses on their unclaimed property obligations.
Washington tax relief: information on a penalty relief programme for Washington businesses.
Consulting and advisory: business advice on tax, benefits and financial matters.

Customers and markets

The firm says it offers a balanced perspective across industries. It advises employers and plan administrators on tax and benefit matters.

Key facts

Based in: Portland
Founded: 1933
Client access: an online client login and a ShareFile payment option

Summary written by TrustList from the business's own published information, Oct 2026.

Rankings

Geffen Mesher is ranked on 1 TrustList ranking at #13.

Every ranking orders its listings by their reviews, how complete the profile is and the Trust Score. Geffen Mesher has no reviews yet and 3 of the 10 profile details we look for. Where no listing on a page has been reviewed, the order follows the profiles alone.

Business service company · 1 ranking

#13of 43
United states
Of the 43 here, 20 also cover tax and 20 also cover accounting; 5 also work in Washington and 5 also work in Florida.
Behind JNM, ahead of Kallas Restaurant Accounting.

As of 2026-11-01. Organic ranks only; sponsored placements are never ranks. How TrustList ranks