Partnering With You for Your Success

Your success is our goal.  At Thompson Greenspon we offer award-winning service and pro-active solutions, customized to meet your specific tax, audit, accounting and consulting needs.

Personal relationships are important to us. Since our founding in 1956, the firm has advanced the goal of having you work with the same dedicated team members year after year.  As one of the largest CPA firms in the DC metro area, we deliver industry-leading expertise that is competitive with national and regional firms.

Our nonprofit team is growing!

Thompson Greenspon is pleased to welcome:

  • Tracy M. Morey, CPA - Principal
  • Billy T. Lawrence, CPA - Manager
  • David B. Nazari, CPA - Supervisor

Learn more about our new team members in our video!

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Check out our COVID-19 Resource Center

With the pandemic still raging on, and new legislation being released frequently, our resource center can keep you up to date on important new laws, regulations, and tax benefits available to you. We have links to important resources with the SBA, IRS, and more.

Industries we have specialized in since 1956:

Whether you need estate or succession planning, or accounting, auditing, or tax assistance, Thompson Greenspon can help you succeed.

Whether you are looking for assistance with your overhead rate, an audit of your financial statement, or with day-to-day accounting services, we can assist you.

While you focus on supporting your mission, let our tax advice and creative solutions help you achieve your financial goals. 

When you need help with tax or business planning, draw on our decades of expertise. While you serve your clients or patients, we will take care of your needs.

Click below to be put in touch with a CPA who specializes in your industry.

Our Services Include:
TAXES

Tax Center

Planning ahead and saving you money on income taxes, trust and estates, payroll, and more.

FINANCES

Financial Reporting & Assurance

Offering a wide range of assurance services, audits and business assistance.

CONSULTATION

Advisory Services

Expert guidance when you start a business, sharpen your strategic plan, or plan for succession.

ACCOUNTING

Outsourced Accounting

Focus on your big goals, not your bookkeeping. Don’t think twice about payroll, taxes, financials, and more.

EMPLOYEE BENEFITS

Employee Benefits Planning & Audits

By listening closely to your needs, we can help you ensure you have a solid plan in place and assist you by auditing your plan to meet regulatory requirements.

Industry Insights:

Valuable gifts to charity may require an appraisal

If you donate valuable items to charity, you may be required to get an appraisal. The IRS requires donors and charitable organizations to supply certain information to prove their right to deduct charitable contributions. If you donate an item of property (or a group of similar items) worth more than $5,000, certain appraisal requirements apply….

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Thinking about converting your home into a rental property?

In some cases, homeowners decide to move to new residences, but keep their present homes and rent them out. If you’re thinking of doing this, you’re probably aware of the…

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Could You Qualify for an Energy-Efficient Tax Deduction?

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Section 179D of the tax code allows a deduction for the cost of energy-efficient improvements to new or existing commercial buildings, as well as certain residential rental buildings. Originally a…

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Changes Are Coming to Your Auditor’s Report

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The American Institute of Certified Public Accountants (AICPA) Auditing Standards Board’s latest standards are kicking in, and many nonprofits will notice resulting changes to the format and content of auditor…

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We are proud recipients of the following awards and recognitions: