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:

Is your withholding adequate? Here’s how to check

When you filed your federal tax return this year, were you surprised to find you owed money? You might want to change your withholding so that this doesn’t happen again next year. You might even want to adjust your withholding if you got a big refund. Receiving a tax refund essentially means you’re giving the…

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Tax Tips – July/August 2022

HSAs can also be powerful retirement saving tools Health Savings Accounts (HSAs) are designed as tax-advantaged savings vehicles for funding uninsured health care expenses. But for those in relatively good…

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8 Tips for Managing Your Supply Chain

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The COVID-19 pandemic and other world events have triggered or worsened supply chain risks and shortcomings affecting many industries — including construction. Materials or equipment shortages or delays can be…

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Have a Little Faith: IRS and Fraud Concerns for Faith-Based Nonprofits

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Religious congregations must comply with IRS rules and federal and state laws. But because they don’t have to file income tax returns, some fail to engage independent financial experts. Without…

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We are proud recipients of the following awards and recognitions: