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.

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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:

Coming Soon: New Accounting Rule On Government Assistance Disclosures

On November 17, the Financial Accounting Standards Board (FASB) issued a new accounting standard on disclosing certain types of government incentives that businesses receive to set up shop in a locality. The standard comes at a time when investors have been clamoring for more detailed information around incentives businesses get — some to the tune of…

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Updated Retirement Plan Contribution Limits for 2022

Retirement plan contribution limits are indexed for inflation, and with the recent announcement of significant a Social Security cost of living increase – which is typically a reflection of inflation…

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Adding Value With Life-Cycle Cost Analysis

In today’s challenging economic environment, many construction companies are looking for a competitive edge that distinguishes them from other contractors in their markets. One way to differentiate yourself is to…

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Rules for Charitable Gaming Activities

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Don’t roll the dice Gaming can seem like an appealing and low-cost option for boosting nonprofit revenues. But bingo, poker tournaments, raffles and the like are subject to some strict…

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We are proud recipients of the following awards and recognitions: