About Us

Moss Adams and Baker Tilly have come together to form the nation’s sixth largest CPA advisory firm, dedicated to assisting clients with growing, managing, and protecting prosperity.
With more than 11,000 professionals across more than 100 locations, we work with many of the world’s most innovative companies and leaders. Our strength in the middle market enables us to advise clients at all intervals of development—from start-up, to rapid growth and expansion, to transition.

Our Culture & Values

Our History

We put down roots in the Pacific Northwest more than 100 years ago. Since our origins at the start of the twentieth century, we've steadily expanded to serve clients not only in the West but also across the nation and globally. Today, we're advising the businesses and industries that are driving progress for tomorrow.

1913
John G. McIntosh Opens an Accounting Firm

Congress enacts the first federal income tax law. John G. McIntosh opens an accounting firm in Seattle to support the Pacific Northwest’s forest products industry. The firm expands its services to Portland in 1922.

1918-1938
Moss Adams Gets Its Name

Over the years the firm undergoes several name changes—McIntosh, Cowan & Co; Charles S. Cowan & Company; and Moss Adams & Co. This will get shortened to Moss Adams LLP in 1995.

1960 - 1979
The firm expands its footprint in the West

The firm opens offices in Northern California and Southern California as well as additional offices in Oregon and Washington. In 1972, the firm adds a consulting arm, offering clients value-added services that complement our core assurance and tax solutions.

1990 - 2000
Moss Adams becomes the 15th largest accounting and consulting firm

The firm reaches a new growth milestone with the addition of more offices in Oregon and Washington. Throughout the decade and into the new century, the firm continues to grow, expanding in California and establishing investment banking and wealth management divisions.

2013
Moss Adams turns 100

The firm celebrates its 100th anniversary and releases its first corporate social responsibility report to measure the firm's progress toward its social and environmental goals.

2025
Moss Adams and Baker Tilly Combine

Baker Tilly and Moss Adams combined in a move that redefines advisory and accounting services for the middle market. Now the sixth-largest advisory CPA firm in the United States and backed by private equity firm Hellman & Friedman, the combined firms provide elevated industry specialization, geographic reach, and capabilities across advisory, tax and assurance services.

Careers

Get Started

You're talented and ambitious. You have options. We get that. That's why we offer opportunities to build your skills and explore your career in a supportive environment. At Moss Adams, you’ll be challenged and rewarded for leadership, technical excellence, and inspired perspectives. Where you take your career is up to you.

Discover What Makes Us One of the Best Places to Work

Industries

Moss Adams was among the first major accounting firms in the nation to organize by industry.
We train our specialists not just in technical audit and tax matters but also in issues specific to our clients’ organizations. By diving deep into each industry, we bring more contextual understanding to each engagement.
Clients in all 50 states

International Presence

Your potential for growth shouldn’t be constrained by borders. We started serving international organizations more than 70 years ago. Today, we help businesses in more than 140 territories embrace prosperity.
As part of Baker Tilly International, the world’s 10th largest global advisory network, we have more than 47,000 professionals providing clients with seamless, high-quality, market-specific knowledge and services.

News & Press

Our professionals are steeped in the industries they serve.
Combining technical expertise with our keen understanding of our clients' businesses, we offer knowledgeable commentary on a broad spectrum of accounting, tax, finance, and business operations issues.
4,750 professionals

Latest News & Press

Baker Tilly US, LLP, Baker Tilly Advisory Group, LP and Moss Adams LLP and their affiliated entities operate under an alternative practice structure in accordance with the AICPA Code of Professional Conduct and applicable laws, regulations and professional standards. Baker Tilly Advisory Group, LP and its subsidiaries, and Baker Tilly US, LLP and its affiliated entities, trading as Baker Tilly, are members of the global network of Baker Tilly International Ltd., the members of which are separate and independent legal entities. Baker Tilly US, LLP and Moss Adams LLP are licensed CPA firms that provide assurance services to their clients. Baker Tilly Advisory Group, LP and its subsidiary entities provide tax and consulting services to their clients and are not licensed CPA firms. ISO certification services offered through Moss Adams Certifications LLC. Investment advisory offered through either Moss Adams Wealth Advisors LLC or Baker Tilly Wealth Management, LLC.