Insights

Growth through leadership Geffen Mesher has recently promoted multiple shareholders, signaling leadership depth and potential for cross-selling advisory, succession planning, and expanded audit and tax services to evolving client needs.

Data driven services With the launch of Baleen Data and Client Accounting Services in its history, there is a clear emphasis on data analytics and outsourced accounting, creating opportunities to upsell continuous monitoring, CFO services, and technology-enabled advisory.

Mid-market focus Revenue range and employee count place Geffen Mesher in the mid-market segment, suggesting sales opportunities in audit, tax, and advisory services tailored to growing private companies, real estate, construction, and related industries.

Regional expertise As a Portland-based firm serving the Pacific Northwest, there is strong potential to partner with complementary local firms or client networks for joint service offerings, referrals, and regional expansion.

Technology leveraging A tech stack spanning QuickBooks Online, HubSpot, Google Ads, and marketing/CRM tools indicates readiness for integrated, scalable solutions; sales opportunities exist in modernizing clients’ workflows, ERP integration, and digital marketing analytics.

Similar companies to Geffen Mesher

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 4 email formats:
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 August 2026, Geffen Mesher's annual revenue is estimated to be $100M - $250M.

What is Geffen Mesher's SIC code and NAICS code?

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Geffen Mesher's SIC code is 7389 - Business Services, Not Elsewhere Classified and 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 August 2026, Geffen Mesher has approximately 164 employees across 3 continents, including North America, Asia and Europe. Key team members include Chief Executive Officer, Chief Strategist: C. C., Chief Operating Officer: M. M. and 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 Online, Google Ads, LinkedIn Recruiter, Adobe Creative Cloud, WordPress, Adobe Experience Cloud, HubSpot and Zoom.

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

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