Insights

Stable growth Target Thompson Greenspon for expansion-focused services as they operate with a mid-sized firm revenue range and a multi-year Washington, DC metro presence, indicating potential needs for scalable advisory, add-on services, and regional tax planning for growing clients.

Talent programs Leverage their recent recognition as an InValuable Employer Partner and consistent Best of Accounting awards to offer talent development, internship program design, and attrition-reduction consulting to strengthen their client-employee value proposition.

Technology leverage Position fintech, automation, and data analytics solutions that integrate with their current tech stack (iCIMS, Microsoft 365, WordPress, Teams) to improve client reporting, workflow automation, and cybersecurity for professional services and construction clients.

Industry niches Develop targeted offerings for their core sectors—construction, government contracting, nonprofits, and employee benefits—emphasizing specialized compliance, internal controls, and advisory services to deepen penetration in existing accounts and win new clients in these sectors.

Geographic strategy Capitalize on their planned office consolidation in New York while maintaining the Fairfax, VA base by offering cross-market cross-border accounting, multistate tax strategies, and remote-audit capabilities to support clients with regional footprints.

Similar companies to Thompson Greenspon

Thompson Greenspon Tech Stack

Thompson Greenspon uses 8 technology products and services including iCIMS, WordPress, Microsoft 365, and more. Explore Thompson Greenspon's tech stack below.

Media & News

Thompson Greenspon's Email Address Formats

Thompson Greenspon uses at least 4 email formats:
Thompson Greenspon Email FormatsExamplePercentage
Last@tgccpa.comDoe@tgccpa.com
76%
FLast@tgccpa.comJDoe@tgccpa.com
15%
FL@tgccpa.comJD@tgccpa.com
5%
LastF@tgccpa.comDoeJ@tgccpa.com
4%

Frequently Asked Questions

What is Thompson Greenspon's phone number?

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You can contact Thompson Greenspon's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Thompson Greenspon's official website and social media links?

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Thompson Greenspon's official website is tgccpa.com and has social profiles on LinkedIn.

How much revenue does Thompson Greenspon generate?

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As of October 2026, Thompson Greenspon's annual revenue is estimated to be $50M - $100M.

What is Thompson Greenspon's SIC code and NAICS code?

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Thompson Greenspon's SIC code is 7389 - Business Services, Not Elsewhere Classified and NAICS code is 5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services.

How many employees does Thompson Greenspon have currently?

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As of October 2026, Thompson Greenspon has approximately 59 employees across 1 continents, including North America. Key team members include Interim President: Q. M., Manager, Accounting And Audit: J. G. and Audit Manager: I. P. Explore Thompson Greenspon's employee directory with LeadIQ.

What industry does Thompson Greenspon belong to?

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Thompson Greenspon operates in the Accounting industry.

What technology does Thompson Greenspon use?

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Thompson Greenspon's tech stack includes iCIMS, WordPress, Microsoft 365, Constant Contact, Cisco, WP Engine, Microsoft Teams and Vimeo.

What is Thompson Greenspon's email format?

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Thompson Greenspon's email format typically follows the pattern of Last@tgccpa.com. Find more Thompson Greenspon email formats with LeadIQ.

When was Thompson Greenspon founded?

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Thompson Greenspon was founded in 1956.
Thompson Greenspon logo

Thompson Greenspon

AccountingVirginia, United States51-200 Employees

Thompson Greenspon is a certified public accounting practice delivering financial reporting, tax planning and advisory services. It serves clients across sectors including construction, government contracting, nonprofits, professional services, and employee benefits. Headquartered in Fairfax, Virginia, the firm has supported the Washington, D.C. metropolitan area for more than six decades.
As a mid-sized regional firm, it focuses on delivering tailored solutions to organizations in its specialized industries, blending compliance with strategic guidance. The firm has been recognized for service excellence, receiving the 2023 Best of Accounting Award as well as the 2022 edition.

Section iconCompany Overview

Phone number
Website
tgccpa.com
SIC Code
7389 - Business Services, Not Elsewhere Classified
NAICS Code
5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services
Founded
1956
Employees
51-200

Section iconFunding & Financials

  • $50M - $100M

    Thompson Greenspon's revenue is estimated to be in the range of $50M - $100M

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