Berntson Porter Coronavirus Resource Center Details.

Our Firm

Community-minded, Success-focused


Founded in 1985 by Bob Berntson and Greg Porter, Berntson Porter has grown to one of the largest accounting firms in the Puget Sound region. Today, our firm has over 120 employees and serves clients throughout the Pacific Northwest, the country and the world. Our extensive network serves clients across the globe, helping them expand nationally and internationally.

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In addition to providing tax, accounting and a wide range of consulting services, we help clients manage their wealth and insurance needs through our strategic alliances.

While our size and reach have grown, our mission remains the same: to assist clients in identifying, clarifying and achieving their goals. We accomplish this by caring about our clients’ families and companies as if they were our own.

Supporting our community is one of the most important aspects of who we are. Our employees strive to achieve personal and professional prosperity by giving back to our community, caring for our clients and treating all with the utmost respect.

What We Do

At Berntson Porter, we strive to create a great experience for our clients through our comprehensive service offerings. We provide excellent customer care through the pursuit of growing, learning and continuous improvement, while acting with compassion and humility.

We strive to make an impact not only within the companies and industries of our clients, but within their personal lives as well. Business is not just a transactional relationship at Berntson Porter; it is about supporting, respecting and partnering with our clients first and foremost as people.


You can’t do it alone, and neither can we. Our team of skilled CPAs are part of a high-energy and collaborative environment. As an award-winning CPA firm, we are undoubtedly solutions-driven and success-focused, while striving to have fun along the way.


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The Berntson Porter IMPACT statement describes our standard for how we treat our clients, partners and colleagues.

We are inspired because we believe in what we are doing and where we are going. This passion and determination inspires unity and creates focus not only in our work, but how we interact with each other every day and in everything we do.

Our priority is to care for our clients, each other and our community. We take the extra time to develop meaningful relationships inside and outside of this firm.

We believe we are only as good as the knowledge we hold and share. Our dedication to continuous learning demonstrates our commitment to our clients and ourselves.

Through careful planning and collaboration, we help our clients identify and react to tough decisions and opportunities in a timely manner.

We create value and wealth by helping clients find opportunities to minimize risk, maximize profits and protect and grow assets.

In our actions and words, we treat ourselves, our clients, each other and our community with the highest esteem.


New Name, Same People and Service You’ve Known for Years.

Berntson Porter is excited to announce that we are now part of CBIZ & MHM (Mayer Hoffman McCann P.C.). Together, CBIZ & MHM are one of the nation’s Top Ten accounting providers, and Berntson Porter is honored to be joining them. We are pleased to be able to offer the same people and the same service you’ve known for years under a new name: CBIZ Berntson Porter. Please click here for more information.