Insights

Growth Through Acquisition Recent acquisitions of Avantus Federal by both private equity and QinetiQ Group indicate strong growth momentum and expanding market presence, creating opportunities to offer complementary solutions and services aligned with their evolving capabilities.

Federal Contract Focus With a primary focus on Homeland Security, Defense, Intelligence, and Federal Civilian clients, the company represents a prime target for agencies seeking tailored solutions in cybersecurity, data analytics, and defense technology modernization.

Award-Winning Reputation Multiple industry awards such as the Brandon Hall and ATD Best awards highlight the company’s recognition for excellence in human capital management and growth, making it an attractive partner for organizations valuing proven industry leadership and organizational excellence.

Technology Stack Utilization of advanced tools like GitLab CI, Deltek Costpoint, Azure Active Directory, and ServiceNow shows a mature technology infrastructure, indicating opportunities to offer service enhancements, integration solutions, or cutting-edge cybersecurity offerings.

Financial Position With revenues estimated between 100 and 250 million dollars and a workforce size of up to 1,000 employees, the company exhibits significant scale and operational capacity, presenting opportunities for enterprise solutions, cloud services, and strategic partnerships to support continued growth.

E3 Federal Solutions Tech Stack

E3 Federal Solutions uses 8 technology products and services including GitLab CI, Deltek Costpoint, Azure Active Directory, and more. Explore E3 Federal Solutions's tech stack below.

  • GitLab CI
    Continuous Integration
  • Deltek Costpoint
    Customer Relationship Management
  • Azure Active Directory
    Identity And Access Management
  • ServiceNow
    Miscellaneous
  • Microsoft
    Miscellaneous
  • JavaScript
    Programming Languages
  • Adobe Acrobat DC
    Rich Text Editors
  • Microsoft Defender
    Security

Media & News

E3 Federal Solutions's Email Address Formats

E3 Federal Solutions uses at least 2 format(s):
E3 Federal Solutions Email FormatsExamplePercentage
FLast@e3federal.comJDoe@e3federal.com
82%
First.Last@e3federal.comJohn.Doe@e3federal.com
6%
FirLast@e3federal.comJohDoe@e3federal.com
1%
FiLast@e3federal.comJoDoe@e3federal.com
2%
First_Last@e3federal.comJohn_Doe@e3federal.com
1%
F.Last@e3federal.comJ.Doe@e3federal.com
1%
LastFi@e3federal.comDoeJo@e3federal.com
1%
LastFirst@e3federal.comDoeJohn@e3federal.com
1%
FirMLast@e3federal.comJohMDoe@e3federal.com
1%
Last.First@e3federal.comDoe.John@e3federal.com
1%
LastF@e3federal.comDoeJ@e3federal.com
1%
FirstL@e3federal.comJohnD@e3federal.com
1%
First.L@e3federal.comJohn.D@e3federal.com
1%
FLast@avantusfederal.comJDoe@avantusfederal.com
92%
First.Last@avantusfederal.comJohn.Doe@avantusfederal.com
5%
FirstLast@avantusfederal.comJohnDoe@avantusfederal.com
2%
Last.First@avantusfederal.comDoe.John@avantusfederal.com
1%

Frequently Asked Questions

Where is E3 Federal Solutions's headquarters located?

Minus sign iconPlus sign icon
E3 Federal Solutions's main headquarters is located at 8281 Greensboro Drive, Suite 400 McLean, VA 22102, US. The company has employees across 1 continents, including North America.

What is E3 Federal Solutions's phone number?

Minus sign iconPlus sign icon
You can contact E3 Federal Solutions'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 E3 Federal Solutions's official website and social media links?

Minus sign iconPlus sign icon
E3 Federal Solutions's official website is avantusfederal.com and has social profiles on LinkedIn.

What is E3 Federal Solutions's NAICS code?

Minus sign iconPlus sign icon
E3 Federal Solutions's NAICS code is 5416 - Management, Scientific, and Technical Consulting Services.

How many employees does E3 Federal Solutions have currently?

Minus sign iconPlus sign icon
As of October 2025, E3 Federal Solutions has approximately 501 employees across 1 continents, including North America. Key team members include Executive Assistant To The Chief Of Staff At Dhs Cwmd W/ E3 Federal Solutions, Llc (c Level Suite): S. M. G.Director: J. N.Program Manager: J. C. D.. Explore E3 Federal Solutions's employee directory with LeadIQ.

What industry does E3 Federal Solutions belong to?

Minus sign iconPlus sign icon
E3 Federal Solutions operates in the Business Consulting and Services industry.

What technology does E3 Federal Solutions use?

Minus sign iconPlus sign icon
E3 Federal Solutions's tech stack includes GitLab CIDeltek CostpointAzure Active DirectoryServiceNowMicrosoftJavaScriptAdobe Acrobat DCMicrosoft Defender.

What is E3 Federal Solutions's email format?

Minus sign iconPlus sign icon
E3 Federal Solutions's email format typically follows the pattern of FLast@e3federal.com. Find more E3 Federal Solutions email formats with LeadIQ.

When was E3 Federal Solutions founded?

Minus sign iconPlus sign icon
E3 Federal Solutions was founded in 2004.

E3 Federal Solutions

Business Consulting and ServicesUnited States501-1000 Employees

E3/Sentinel, a NewSpring Holdings company, is a mission-focused services and solutions company headquartered in McLean, VA. Since E3 Federal Solutions and The Sentinel Company combined forces in 2018, E3/Sentinel works as a combined entity to draw upon their long histories of consistent growth and high performance in the federal services market. The company’s services and solutions are designed, tailored, and executed based on the experience both organizations bring from helping their Homeland Security, Defense, Intelligence, and Federal Civilian customers solve complex problems. Learn more at www.e3sentinel.com.

Section iconCompany Overview

Headquarters
8281 Greensboro Drive, Suite 400 McLean, VA 22102, US
Phone number
NAICS Code
5416 - Management, Scientific, and Technical Consulting Services
Founded
2004
Employees
501-1000

Section iconFunding & Financials

  • $100M$250M

    E3 Federal Solutions's revenue is estimated to be in the range of $100M$250M

Section iconFunding & Financials

  • $100M$250M

    E3 Federal Solutions's revenue is estimated to be in the range of $100M$250M

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.