Stay up to date on the latest news and practices impacting today’s businesses.

Sales & Use Tax Deferral for Tech Companies Expires 12/31

Businesses engaging in research and development in the advanced computing, advanced materials, biotechnology, electronic device technology... Read more.

Annual Apportionment Due 10/31

Just a reminder to anyone that engages in apportionable activities in the state of Washington: any business that remits Washington Business & Occupation (B&O) Tax... Read more.

Legislative Uncertainty Complicates Year End Tax Planning

Now that the final quarter of 2014 has begun, many businesses and individuals are turning their attention to year end tax planning. This year, however, uncertainty over dozens... Read more.

Peterson Sullivan Promotes Two to Partner

Peterson Sullivan LLP continues as one of the largest certified public accounting and advisory firms in the Puget Sound with the announcement of two partner promotions. Read more.

Thought Leadership

Read a few of our latest viewpoints as our team of experts look at the immediate and long-term issues facing our clients.

Sustainability Disclosure in External Reporting

David Lee, Partner and SEC Leader, featured in the October 2014 issue of Dimensions: The Compliance Authority, “Sustainability Disclosure in External Reporting: Current and Future Trends,” discussing the growing appeal of sustainability reporting for public companies. Read more.

A Potential Game Changer for Estate Taxes on Art

Mark L. Mitchell, Partner and Director of Valuation Services, appears in a New York Times article as a result of his role as an expert appraiser and witness in the Estate of James A. Elkins, Jr. v. the IRS, regarding the unique issues that impact valuing undivided interests in art. Read more.

Industries and Services

Fraud & Forensic Accounting

From time to time questions about the financial integrity of a business or personal situation can arise. Speculation, theories and suspicions are a natural... Read more.

Succession Planning

Your objectives and vision for your company are important elements in your quest for a new owner. This process can be challenging... Read more.

Mergers & Acquisitions

Many business owners are involved in a sale, merger or acquisition once or maybe twice during their lives.  Read more.