Insights

Growth & Shareholders Geffen Mesher is a Portland-based accounting firm with a 90+ year legacy that recently promoted three new shareholders, signaling leadership expansion and potential upsell opportunities in advanced advisory, succession planning, and value-driven tax strategies for growing firms.

Service Expansion The firm’s offerings include audit, tax and strategic planning, outsourced accounting, and transaction advisory, plus a branded data analytics division (Baleen Data) and client accounting services. This indicates opportunities to cross-sell CFO services, real-time analytics, and outsourced finance functions to mid-market clients seeking efficiency and scale.

Technology Enablement Adoption of data and tech tools such as Baleen Data, Power BI, SurePrep, and digital marketing/automation in their stack suggests a readiness to partner on data-driven financial transformation projects and analytics-led risk management for clients in real estate, construction, and dealer services.

Regional Growth With a Pacific Northwest focus and a multi-sector client base, Geffen Mesher is positioned for regional expansion outreach to similar mid-market businesses seeking comprehensive accounting, advisory, and outsourced finance capabilities in the Northwest.

Strategic Hiring Recent promotions to shareholder reflect a growth trajectory and potential for higher-value engagements; sales conversations can target mid-sized entities requiring higher-level audit, strategic planning, and transaction advisory services as they scale.

Geffen Mesher Tech Stack

Geffen Mesher uses 8 technology products and services including Quickbooks Online, Google Ads, LinkedIn Recruiter, and more. Explore Geffen Mesher's tech stack below.

Geffen Mesher's Email Address Formats

Geffen Mesher uses at least 1 format(s):
Geffen Mesher Email FormatsExamplePercentage
FLast@gmco.comJDoe@gmco.com
97%
FL@gmco.comJD@gmco.com
1%
FirstL@gmco.comJohnD@gmco.com
1%
Last@gmco.comDoe@gmco.com
1%

Frequently Asked Questions

What is Geffen Mesher's phone number?

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You can contact Geffen Mesher's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Geffen Mesher's official website and social media links?

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Geffen Mesher's official website is gmco.com and has social profiles on LinkedIn.

How much revenue does Geffen Mesher generate?

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As of July 2026, Geffen Mesher's annual revenue is estimated to be $100M - $250M.

What is Geffen Mesher's SIC code NAICS code?

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Geffen Mesher's SIC code is 7389 - Business Services, Not Elsewhere Classified NAICS code is 5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services.

How many employees does Geffen Mesher have currently?

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As of July 2026, Geffen Mesher has approximately 164 employees across 3 continents, including North AmericaAsiaEurope. Key team members include Chief Executive Officer, Chief Strategist: C. C.Chief Operating Officer: M. M.Vice President Of Marketing: T. N.. Explore Geffen Mesher's employee directory with LeadIQ.

What industry does Geffen Mesher belong to?

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Geffen Mesher operates in the Accounting industry.

What technology does Geffen Mesher use?

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Geffen Mesher's tech stack includes Quickbooks OnlineGoogle AdsLinkedIn RecruiterAdobe Creative CloudWordPressAdobe Experience CloudHubSpotZoom.

What is Geffen Mesher's email format?

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Geffen Mesher's email format typically follows the pattern of FLast@gmco.com. Find more Geffen Mesher email formats with LeadIQ.

When was Geffen Mesher founded?

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Geffen Mesher was founded in 1933.
Geffen Mesher logo

Geffen Mesher

AccountingOregon, United States51-200 Employees

Geffen Mesher is a mid-sized accounting firm based in Portland, Oregon, with a history spanning more than nine decades. It offers a full suite of services, including audit and assurance, tax and strategic planning, outsourced accounting and CFO services, and transaction advisory work. The firm serves individuals and businesses across the Pacific Northwest, with client work spanning sectors such as real estate, construction, and dealer services. Its approach emphasizes collaboration and continuous improvement as it evolves to meet client needs.

Geffen Mesher positions itself as a partner to clients in diverse industries, prioritizing integrity, open communication, and service. In December 2023, Anne Tankersley, Paige Lukens, and Rachel Henrichs were promoted to shareholder, reflecting leadership growth within the firm.

Section iconCompany Overview

Phone number
Website
gmco.com
SIC Code
7389 - Business Services, Not Elsewhere Classified
NAICS Code
5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services
Founded
1933
Employees
51-200

Section iconFunding & Financials

  • $100M - $250M

    Geffen Mesher's revenue is estimated to be in the range of $100M - $250M

Section iconFunding & Financials

  • $100M - $250M

    Geffen Mesher's revenue is estimated to be in the range of $100M - $250M

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