We’re a Portland-based accounting firm with a 90+ year legacy — and we’re continuing to grow and evolve every day. We help individuals and businesses thrive through audit, tax, advisory, and outsourced accounting services. Our team is collaborative, curious, and committed to doing meaningful work — for our clients and our community across multiple sectors and industries in the Pacific Northwest.  

Our Specialties Include: 
 	•	Audit & Assurance 
 	•	Tax & Strategic Planning 
 	•	Outsourced Accounting / CFO Services 
 	•	Transaction Advisory Services 
 	•	Real Estate, Construction, Dealer Services, and more 
 
United by a shared drive to serve and create positive impact, the Geffen Mesher team contributes to the greater good by nurturing the success of its people, clients and community. We are proud to lift those around us via integrity, innovative thinking, and continuous improvement. Together, we build lasting relationships and a better future through teamwork, open communication, commitment, and a spirit of service. 
 
 Join us: www.gmco.com/careers

Accounting

Consulting

Professional Services

Geffen Mesher

Michael Rompa

Rob Stahly

David Kaus

This department manages all aspects of tax compliance, planning, and reporting activities.

Tax Department

This department manages interactions and communications with shareholders to ensure transparency and engagement.

Shareholder Relations

This department oversees quality control and compliance measures within the organization.

Assurance Department

This department manages financial records, ensures compliance with regulations, and prepares financial reports.

Accounting Division

This department is responsible for conducting internal audits, ensuring compliance, and assessing the organization's financial and operational processes.

Audit Services

This department provides high-level administrative assistance and support to executives and management staff.

Geffen Mesher

Org chart

Teams

Tax Department

Shareholder Relations

Assurance Department

Accounting Division

Audit Services

Executive Support

Offices

Geffen Mesher

Org chart

Teams

Tax Department

Shareholder Relations

Assurance Department

Accounting Division

Audit Services

Executive Support

Offices

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