Insights

Top IPA Recognitions CST Group consistently appears on INSIDE Public Accounting's Top 300 Firms list, including 2025, 2023, 2022, and 2021 recognitions, signaling strong market credibility that can help open doors with prospects seeking established regional firms.

Regional Focus Based in Reston, VA and serving Northern Virginia and the Washington, D.C. region, CST Group targets a dense, professional services ecosystem with potential clients in need of specialized accounting, tax, and advisory services for medical practices, real estate, government contracting, and nonprofits.

Diverse Practice Offering integrated services across accounting, tax, and business advisory for small to mid-size entities suggests upsell opportunities to clients requiring ongoing compliance plus strategic planning, mergers, or practice optimization.

Stable Growth Revenue is in the mid-range for a mid-sized firm, indicating room to scale through creative service packages, efficiency gains, and expanded industry verticals while maintaining personalized service.

Talent Building History of leadership progression and recognition for team members in local financial circles highlights an opportunity to position CST Group as a career-growth partner for grown firms seeking skilled professionals and stable leadership.

CST Group, CPAs, PC Tech Stack

CST Group, CPAs, PC uses 8 technology products and services including Fusion Ads, Microsoft Advertising, WordPress, and more. Explore CST Group, CPAs, PC's tech stack below.

Media & News

CST Group, CPAs, PC's Email Address Formats

CST Group, CPAs, PC uses at least 1 format(s):
CST Group, CPAs, PC Email FormatsExamplePercentage
FLast@cst-cpa.comJDoe@cst-cpa.com
89%
Last@cst-cpa.comDoe@cst-cpa.com
9%
FirstLast@cst-cpa.comJohnDoe@cst-cpa.com
2%

Frequently Asked Questions

What is CST Group, CPAs, PC's phone number?

Minus sign iconPlus sign icon
You can contact CST Group, CPAs, PC'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 CST Group, CPAs, PC's official website and social media links?

Minus sign iconPlus sign icon
CST Group, CPAs, PC's official website is cst-cpa.com and has social profiles on LinkedIn.

How much revenue does CST Group, CPAs, PC generate?

Minus sign iconPlus sign icon
As of July 2026, CST Group, CPAs, PC's annual revenue is estimated to be $50M - $100M.

What is CST Group, CPAs, PC's SIC code NAICS code?

Minus sign iconPlus sign icon
CST Group, CPAs, PC's SIC code is 7389 - Business Services, Not Elsewhere Classified NAICS code is 5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services.

How many employees does CST Group, CPAs, PC have currently?

Minus sign iconPlus sign icon
As of July 2026, CST Group, CPAs, PC has approximately 72 employees across 2 continents, including North AmericaEurope. Key team members include President And Chief Operating Officer: E. C.Owner Chief Executive Officer: Y. F.Partner: H. D.. Explore CST Group, CPAs, PC's employee directory with LeadIQ.

What industry does CST Group, CPAs, PC belong to?

Minus sign iconPlus sign icon
CST Group, CPAs, PC operates in the Accounting industry.

What technology does CST Group, CPAs, PC use?

Minus sign iconPlus sign icon
CST Group, CPAs, PC's tech stack includes Fusion AdsMicrosoft AdvertisingWordPressShopifyWooCommerceBarracuda Email ProtectionGoogle CloudWP Engine.

What is CST Group, CPAs, PC's email format?

Minus sign iconPlus sign icon
CST Group, CPAs, PC's email format typically follows the pattern of FLast@cst-cpa.com. Find more CST Group, CPAs, PC email formats with LeadIQ.

When was CST Group, CPAs, PC founded?

Minus sign iconPlus sign icon
CST Group, CPAs, PC was founded in 1973.
CST Group, CPAs, PC logo

CST Group, CPAs, PC

AccountingVirginia, United States51-200 Employees

CST Group, CPAs, PC is a certified public accounting firm based in Reston, Virginia, operating at 10740 Parkridge Boulevard, Fifth Floor, Reston, VA 20191, and serving the Northern Virginia and Washington, D.C. region since 1973. The firm provides accounting, tax, and business advisory services to a diverse client base that includes small businesses, medical practices, real estate firms, government contractors, non-profit organizations, and professionals and business owners. It employs between 51 and 200 professionals. CST Group has a track record of recognition, consistently ranking among the top certified public accounting firms in the Washington, D.C. region and appearing on INSIDE Public Accounting's Top 300 Firms list in multiple years, including 2020 through 2025. The company maintains a website at cst-cpa.com.

Section iconCompany Overview

Phone number
SIC Code
7389 - Business Services, Not Elsewhere Classified
NAICS Code
5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services
Founded
1973
Employees
51-200

Section iconFunding & Financials

  • $50M - $100M

    CST Group, CPAs, PC's revenue is estimated to be in the range of $50M - $100M

Section iconFunding & Financials

  • $50M - $100M

    CST Group, CPAs, PC's revenue is estimated to be in the range of $50M - $100M

Ready to create more pipeline?

Get a demo and discover why thousands of SDR and Sales teams trust
LeadIQ to help them build pipeline confidently.

© LeadIQ, Inc. All rights reserved.