Adam Williams

Adam Williams

Adam Williams | CPA | Principal

Ann Arbor, MI | 734.302.4179 | Email
Service Areas | Accounting for income taxes, tax planning and consulting, mergers and acquisitions, international taxation

Adam helps closely-held businesses, pass-through entities and high net worth individuals achieve their goals by working with them on foreign and domestic corporate taxation, pass-through taxation, accounting for income taxes, mergers and acquisitions, and tax planning and structuring.

As a Firm-wide technical resource in accounting for income taxes and transactional tax matters, Adam provides consulting to advisors across Rehmann on merger and acquisition tax implications and financial reporting standards related to income taxes.


Adam has nearly 20 years of experience in taxation, with the first 15 years of his career spent working with national accounting firms in San Francisco and Detroit. He has been a part of the Ann Arbor community since 2005.

Throughout his career, Adam has served a wide variety of publicly and privately-held companies with extensive experience serving real estate companies and manufacturers. He has lead clients through processes of mitigating exposure, removing IRS penalties, and identifying the most practical business structure — resulting in substantial savings for his clients.

  • As the president and treasurer of Big Brothers Big Sisters of Washtenaw County and Rehmann’s office champion for United Way, Adam is a strong supporter of the Ann Arbor community.
  • With each client, Adam makes it a priority to identify their goals and objectives prior to beginning any planning.
  • Adam has presented for various organizations including internal Rehmann training sessions, the Institute of Continuing Legal Education and the Michigan Association of Certified Public Accountants, most recently on the subjects of tax reform and international tax.

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