11th Hour Service
11th Hour Service's Overview
11th Hour Service is a Service-Disabled Veteran-Owned Small Business (SDVOSB) and 8(a) Certified Small Business, founded in 2006. It is a premier provider of management consulting services to U.S. Federal Government agencies, specializing in Financial Management, Program Management, and Systems Integration & Development. The company aims to deliver high-quality, mission-critical support to help federal clients achieve their objectives efficiently and effectively.
Where is 11th Hour Service's Headquarters?
HQ Function
The Arlington, VA headquarters serves as the central hub for 11th Hour Service's operations, strategic planning, client engagement, and administrative functions, supporting their federal government consulting services.
Notable Features:
Modern office facilities within a prominent commercial building in the Rosslyn business district, designed to foster collaboration and provide a professional environment for its consulting teams and client interactions.
Work Culture:
A mission-driven and collaborative work environment, emphasizing integrity, client-focus, continuous learning, and professional development. As an SDVOSB, there's a strong sense of purpose and dedication to serving federal government clients.
HQ Significance:
The headquarters is strategically located in Arlington, VA, offering close proximity to many U.S. Federal Government agencies in the Washington D.C. metropolitan area, which are its primary clients. This facilitates direct engagement, responsiveness, and understanding of client needs.
Values Reflected in HQ: The headquarters' location and professional environment reflect the company's commitment to excellence, client service, accessibility, and fostering a productive workspace for its employees.
Location:
While 11th Hour Service primarily operates within the United States serving U.S. federal government agencies, its services and expertise can support the global missions and programs undertaken by these agencies. The core functions supported—financial management, program management, and IT solutions—are critical for federal clients, some of whom have international operations or interests that 11th Hour Service may assist on a project-specific basis.
Street Address:
1530 Wilson Blvd, Suite 650
City:
Arlington
State/Province:
VA
Country:
USA
11th Hour Service's Global Presence
Washington, D.C., USA
Address: 1 Thomas Circle, NW, Suite 700, Washington, DC 20005
To provide on-the-ground support and direct access to federal government clients and decision-makers centrally located in Washington, D.C.
Huntsville, AL, USA
Address: 600 Boulevard S SW, Suite 104, Huntsville, AL 35802
To support Department of Defense, NASA, and other federal agency clients located in the technologically advanced Huntsville region, particularly those at Redstone Arsenal.
Atlanta, GA, USA
Address: 75 5th Street NW, Suite 2190, Atlanta, GA 30308
To expand service reach in the Southeastern U.S., tap into Atlanta's diverse talent pool for technology and consulting, and support clients like the CDC or other regional federal offices.
Buying Intent Signals for 11th Hour Service
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Executive Team of 11th Hour Service
As of April 2025, 11th Hour Service' leadership includes:
Investors of 11th Hour Service
11th Hour Service has been backed by several prominent investors over the years, including:
Executive New Hires/Exits in the Last 12 Months
In the past year, 11th Hour Service announced key internal promotions to strengthen its executive leadership team, reflecting a focus on developing talent from within. No external executive hires or departures have been publicly announced during this period.
New Appointments:
Technology (Tech Stack) used by 11th Hour Service
Discover the tools 11th Hour Service uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.
11th Hour Service Email Formats and Examples
11th Hour Service commonly uses an email format that combines the first initial of an employee's first name with their full last name, followed by the @11thhourservice.com domain. While this is the most frequently observed pattern, other formats might be used in specific cases.
first_initialLastname@11thhourservice.com (e.g., jdoe@11thhourservice.com)
Format
apopescu@11thhourservice.com
Example
85%
Success rate
News and media
11th Hour Service Official Website • March 12, 2024
11th Hour Service Awarded GSA Multiple Award Schedule (MAS) Contract
11th Hour Service announced it has been awarded a GSA Multiple Award Schedule (MAS) contract. This long-term governmentwide contract enables federal, state, and local government buyers to more easily procure 11th Hour Service’s range of management and IT consulting services, including financial management, program management, and systems development....more
11th Hour Service Official Website • January 23, 2024
11th Hour Service Achieves ISO 9001:2015 Certification
11th Hour Service announced it has successfully achieved ISO 9001:2015 certification for its Quality Management System (QMS). This certification demonstrates the company's commitment to consistent quality, customer satisfaction, and continuous improvement in delivering services to its federal clients....more
11th Hour Service Official Website • June 20, 2023
11th Hour Service Announces New Executive Leadership Promotions
11th Hour Service announced the promotions of Kevin Patrick to Chief Operating Officer, Tim Chae to Chief Financial Officer, and Lori SeSardi to Chief Administrative Officer. These promotions recognize their significant contributions and bolster the company's executive leadership team....more
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