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.

Mobile Workforce WP

Download Our New Whitepaper: Mobile Workforce Guidelines for Contractors

The construction industry, by its very nature, depends on mobility and getting to where the projects are located, whether that is across a city or region, state, or country. Costs related to mobility are unique and there are various methods of covering or reimbursing your workforce for those costs. The methods you use and your compliance with the related regulations can impact the ultimate cost to your organization as well as your employees and the difference can be significant.  Download now to analyze which methods provide the best results for your organization.

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:
construction job schedules

Accurate Job Schedules Add Value to Financial Reporting

When many contractors read the term “financial reporting,” they may naturally think of their financial statements. However, another important aspect of financial reporting is the regular and consistent handling of job schedules. Careful and detail-oriented accounting work is necessary to keep yours as timely and accurate as possible. 3 typical schedules There are generally three…

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Thompson Greenspon Earns 2019 Best of Accounting ™ Award for Client Service Excellence
FAIRFAX, VIRGINIA – OCTOBER 17, 2019 – Thompson Greenspon, a leading accounting firm, announced today that they have won ClearlyRated’s Best of Accounting™ Award for providing superior service. Best of...
FASB Simplifies Merger Accounting for Nonprofits
The Financial Accounting Standards Board (FASB) recently issued guidance that should ease the financial reporting burden on nonprofits that enter “business combinations,” such as mergers and acquisitions. The title of...
Would You Recognize an Indirect Cost if You Saw One?
Indirect costs can have a substantial impact on a construction company’s financial picture and bottom line. But they’re not always the easiest things to “see.” Let’s zoom in to bring...
We are proud recipients of the following awards and recognitions: