Insights

Federal footprint GCS specializes in serving Federal agencies and government contractors with programs in program management, performance improvement, acquisitions lifecycle, contract and grants management, systems engineering and financial management, indicating strong potential for expanded federal consulting engagements and upsell of cross-functional services.

Acquisition and ERP ties Acquisition lifecycle management and a prior acquisition by PSS highlight opportunities to pair GCS core capabilities with ERP and financial consulting services for integrated government modernization programs and large-scale procurement transformations.

Quality and compliance ISO-9001:2008 and CMMI Level 3 alignment with PMBOK-driven delivery signal a mature, quality-focused delivery model that can reassure potential clients seeking low-risk, repeatable performance in high-compliance federal projects.

Growth and reach A developing talent pipeline of 150 professionals and a 51-200 employee base, combined with government and international clients, suggests capacity to scale services for larger programs or new geographies while maintaining lean project teams.

Competitive positioning As a woman-owned small business with a broad set of certifications (PMP, DAWIA, ITIL, Lean Six Sigma) and a diverse tech stack, GCS can be positioned for mission-critical, compliance-heavy engagements and as a partner for agencies prioritizing DEI credentials and proven federal experience.

Similar companies to GCS, Inc.

GCS, Inc. Tech Stack

GCS, Inc. uses 8 technology products and services including Cloudflare Web Optimizations, Amazon Web Services, Joomla, and more. Explore GCS, Inc.'s tech stack below.

  • Cloudflare Web Optimizations
    Analytics
  • Cloud Hosting
  • Content Management System
  • Content Management System
  • Platform As A Service
  • HSTS
    Security
  • X-XSS-Protection
    Security
  • Nginx
    Web Servers

GCS, Inc.'s Email Address Formats

GCS, Inc. uses at least 4 email formats:
GCS, Inc. Email FormatsExamplePercentage
FLast@gcsinfo.comJDoe@gcsinfo.com
90%
First@gcsinfo.comJohn@gcsinfo.com
7%
Last@gcsinfo.comDoe@gcsinfo.com
2%
First_Last@gcsinfo.comJohn_Doe@gcsinfo.com
1%

Frequently Asked Questions

What is GCS, Inc.'s phone number?

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You can contact GCS, Inc.'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 GCS, Inc.'s official website and social media links?

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GCS, Inc.'s official website is gcsinfo.com and has social profiles on LinkedIn.

How much revenue does GCS, Inc. generate?

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As of August 2026, GCS, Inc.'s annual revenue is estimated to be $100M - $250M.

What is GCS, Inc.'s SIC code and NAICS code?

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GCS, Inc.'s SIC code is 7389 - Business Services, Not Elsewhere Classified and NAICS code is 5416 - Management, Scientific, and Technical Consulting Services.

How many employees does GCS, Inc. have currently?

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As of August 2026, GCS, Inc. has approximately 103 employees across 4 continents, including North America, Asia and Africa. Key team members include Director Vigilance: S. C., Project Manager: A. G. and Senior Acquisition Specialist: T. O. Explore GCS, Inc.'s employee directory with LeadIQ.

What industry does GCS, Inc. belong to?

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GCS, Inc. operates in the Business Consulting and Services industry.

What technology does GCS, Inc. use?

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GCS, Inc.'s tech stack includes Cloudflare Web Optimizations, Amazon Web Services, Joomla, WordPress, Netlify, HSTS, X-XSS-Protection and Nginx.

What is GCS, Inc.'s email format?

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GCS, Inc.'s email format typically follows the pattern of FLast@gcsinfo.com. Find more GCS, Inc. email formats with LeadIQ.

When was GCS, Inc. founded?

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GCS, Inc. was founded in 1995.
GCS, Inc. logo

GCS, Inc.

Business Consulting and ServicesVirginia, United States51-200 Employees

GCS, Inc. is a Virginia-based business consulting and services firm with a history dating back to 1995. The company specializes in helping federal agencies and government contractors navigate complex operating environments by delivering services in program management, performance improvement, acquisition lifecycle management, contract and grants management, systems engineering and integration, and financial management. Its workforce emphasizes professional certifications and adherence to established quality and process standards, aligning with a culture of continuous improvement and customer service. Headquartered in McLean, GCS operates as a woman-owned small business serving clients in Washington, DC, and beyond. A notable development in its history is the 2014 acquisition by Preferred Systems Solutions, indicating a strategic consolidation within the government-focused services sector.

Section iconCompany Overview

Phone number
SIC Code
7389 - Business Services, Not Elsewhere Classified
NAICS Code
5416 - Management, Scientific, and Technical Consulting Services
Founded
1995
Employees
51-200

Section iconFunding & Financials

  • $100M - $250M

    GCS, Inc.'s revenue is estimated to be in the range of $100M - $250M

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