Thompson Greenspon

Thompson Greenspon Metro DC CPA firm and a trusted name in audit, accounting, tax, and advisory services for businesses and individuals.

Located within the Washington, DC metropolitan area in Fairfax, VA, Thompson Greenspon has become a trusted name in audit, accounting, tax, and advisory services and providing forward-thinking solutions to help our clients improve their business and achieve their goals.

Staying ahead of industry changes helps us better serve the organizations that make a difference in our communities. Thi...
06/18/2026

Staying ahead of industry changes helps us better serve the organizations that make a difference in our communities. This week, members of the Thompson Greenspon team attended the AICPA Not-for-Profit Conference, where they explored emerging trends, best practices, and key issues impacting the nonprofit sector.

In addition to professional development, our team participated in a community service project benefiting local children through The Child and Family Network Centers.

We're proud to continue strengthening our expertise while giving back to the communities we serve.

Strong cash flow doesn’t happen by accident. Find out how your nonprofit can build a more resilient cash flow structure....
06/17/2026

Strong cash flow doesn’t happen by accident. Find out how your nonprofit can build a more resilient cash flow structure.

Strong cash flow doesn’t happen by accident. Find out how your nonprofit can build a more resilient cash flow structure.

Selling part of your construction business to a private equity firm could open the door to growth. But it could also mea...
06/16/2026

Selling part of your construction business to a private equity firm could open the door to growth. But it could also mean less autonomy, tighter controls and greater pressure to improve performance. Here’s what to know before considering a deal.

Selling part of your construction business to a private equity firm could open the door to growth. But it could also mean less autonomy, tighter controls and greater pressure to improve performance. Here’s what to know before considering a deal.

Self-employed individuals often miss legitimate tax savings. Don’t let this happen to you. Learn the basics of claiming ...
06/15/2026

Self-employed individuals often miss legitimate tax savings. Don’t let this happen to you. Learn the basics of claiming business expense deductions, including those for your home office, meals, vehicle and more.

Self-employed individuals often miss legitimate tax savings. Learn the basics of claiming business expense deductions, including those for your home office, meals, vehicle and more.

Not all financial metrics play by the same rules. Discover what non-GAAP measures reveal, and what stakeholders should k...
06/12/2026

Not all financial metrics play by the same rules. Discover what non-GAAP measures reveal, and what stakeholders should know before relying on them.

Not all financial metrics play by the same rules. Discover what non-GAAP measures reveal, and what stakeholders should know before relying on them.

For contractors, going beyond OSHA compliance can do more than reduce accidents. It may help you protect profit margins,...
06/11/2026

For contractors, going beyond OSHA compliance can do more than reduce accidents. It may help you protect profit margins, avoid costly delays and stand out in a crowded market. Here’s why it pays to go overboard on safety.

For contractors, going beyond OSHA compliance can do more than reduce accidents. It may help you protect profit margins, avoid costly delays and stand out in a crowded market.

Week one of Thompson Greenspon’s Summer Internship Program is in the books! We were excited to welcome six first-year in...
06/09/2026

Week one of Thompson Greenspon’s Summer Internship Program is in the books! We were excited to welcome six first-year interns and two returning interns, who kicked off the summer with a get-to-know-you breakfast, a welcome lunch at Ozzie’s, and insights from former interns. The group also explored our service lines, got hands-on experience with CAAS and QuickBooks Online, and wrapped up the week with a fun bowling outing. We’re looking forward to a great summer ahead!

Not all intangible assets are created equal in the eyes of the IRS. Learn the federal income tax treatment for capital v...
06/08/2026

Not all intangible assets are created equal in the eyes of the IRS. Learn the federal income tax treatment for capital vs. noncapital self-created intangibles and why the distinction matters to small business owners.

Not all intangible assets are created equal in the eyes of the IRS. Learn the federal income tax treatment for capital vs. noncapital self-created intangibles and why the distinction matters to small business owners.

Don’t underestimate how overhead costs can affect your business’s profitability. These expenses often grow quietly over ...
06/05/2026

Don’t underestimate how overhead costs can affect your business’s profitability. These expenses often grow quietly over time. Learn how a disciplined allocation approach can help you make better pricing and operational decisions.

Don’t underestimate how overhead costs can affect your business’s profitability. Learn how a disciplined allocation approach can help you make better pricing and operational decisions.

Retainage is a common construction practice in which a project owner withholds a portion of earned revenue until complet...
06/04/2026

Retainage is a common construction practice in which a project owner withholds a portion of earned revenue until completion or certain milestones are met. It generally favors the owner more than the contractor. This article explains the financial challenges of retainage and risk management measures that general contractors can take to minimize them. A sidebar discusses the value of establishing a dedicated retainage cash reserve as a financial safeguard.

The financial challenges of retainage and risk management measures that general contractors can take to minimize them.

Address

4035 Ridge Top Road Ste 700
Fairfax, VA
22030

Opening Hours

Monday 8:30am - 5pm
Tuesday 8:30am - 5pm
Wednesday 8:30am - 5pm
Thursday 8:30am - 5pm
Friday 8:30am - 5pm

Telephone

+17033858888

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