Peterson Sullivan acquires Seattle office of Anderson ZurMuehlen

Seattle-based CPA firm Peterson Sullivan LLP this week announced it will combine with the Seattle office of Anderson ZurMuehlen & Co. PS, an accounting and business advisory firm based in Montana. The two Seattle firms will operate as Peterson Sullivan LLP effective November 1.

This marks the first significant expansion of Peterson Sullivan, whose services and client mix are closely aligned with Anderson ZurMuehlen’s Seattle office practice, according to the company.
“This joining of practices is an exciting step for our firm, and we found an ideal fit in Anderson ZurMuehlen,” said Chris Russell, partner at Peterson Sullivan.
“Both firms operate under high standards of client communication and service, and the Seattle partners and staff of Anderson ZurMuehlen will add to our extensive experience across many industries," Russell said. "Combined, we have the right resources to help position our firm for continued growth.”
The combined strengths of the new organization will deliver increased value and expanded tax, audit, and accounting services to individuals and businesses of all entity types facing a wide range of industry-specific issues, according to the companies. Together, the firms will provide enhanced client services including income and estate tax planning, international tax consulting and compliance, real estate investment services, and accounting controls and system design.
“We’re looking forward to beginning this new chapter as Peterson Sullivan,” said Joe Wilcynski, vice president of Anderson ZurMuehlen’s Seattle office. “We know that joining our firms under a shared vision not only offers advantages to our clients, but is also valuable to our professionals’ continued growth.”
Anderson ZurMuehlen partners Joe Wilcynski and Rob Keasal will become partners at Peterson Sullivan, and are two of the 10 former Anderson ZurMuehlen staff making the transition to Peterson Sullivan.
Anderson ZurMuehlen will consolidate its operations at Peterson Sullivan’s downtown Seattle office where it will become a team of 100 employees lead by 13 firm partners. Peterson Sullivan was founded in Seattle in 1952 and has steadily grown over the past six decades. The firm views the addition of Anderson ZurMuehlen Seattle as part of an overall strategy to increase services to clients throughout the Northwest region.
“Combining the Seattle office of Anderson ZurMuehlen with Peterson Sullivan was a logical next step,” said Dale Freidig, owner of the Seattle management consulting firm The Freidig Group, who introduced the two firms. “Both firms work hard to get to know their clients while providing a great environment for their staff. Together, they’ll create an even stronger organization capable of helping more clients while offering their professional staff added opportunities. It’s a great fit.”
About Peterson Sullivan:
Peterson Sullivan LLP, founded in Seattle nearly 60 years ago, proudly provides comprehensive accounting, audit, and tax services to publicly traded companies, closely held businesses, nonprofits, and individuals throughout the Pacific Northwest and internationally. Striving to become an indispensable source of sound advice and a true servant of a client’s needs, Peterson Sullivan LLP is committed to technical excellence, uncommonly good communication, and exemplary client service.
About Anderson ZurMuehlen:
Anderson ZurMuehlen & Co. P.S. is a full-service accounting and business consulting firm offering audit and accounting, tax, litigation support, human resources and technology consulting services to a broad spectrum of business and individual clients throughout the United States. Anderson ZurMuehlen was established in 1957 and has offices in Billings, Bozeman, Butte, Helena and Missoula, Montana.
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