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Experience, Expertise and Integrity. The SPECTRUM Group provides our commercial, government, international, and non-profit clients with the tools and counsel necessary to achieve their objectives. We provide a broad range of goal-oriented consulting, government contracting, congressional and executive relations and due diligence services throughout our six Centers of Excellence: Defense & Aerospace, Security, International, Government Relations, Healthcare & Bio-Sciences, and Energy, Installations & Environment. The SPECTRUM Group (TSG) is a dynamic alliance of more than 80 highly respected and experienced subject matter experts from diverse professional and political backgrounds. The TSG team includes former CEOs and senior executives, senior leaders in the military and intelligence communities, former federal senior executives, legislative affairs experts, investment bankers, and community development leaders. Today we are fortunate to serve an impressive array of clients from startups to Fortune 500 companies, states and local communities, the federal government, and international entities.

Website https://spectrumgrp.com
Revenue $18.2 million
Employees 105 (40 on RocketReach)
Founded 1993
Address 99 Canal Center Plaza Suite 450, Alexandria, Virginia 22314, US
Phone +1 703-683-4222
Technologies
Industry Defense and Space Manufacturing, Business Services General, Consulting Services (B2B), Defense & Aerospace, Business Services, Congressional Relations, Energy & Environment, International, Security, Healthcare & Bio-Sciences, BRAC, Due Diligence, Corporate Consulting, Advocacy and Support
Web Rank 15 Million
Keywords Spectrum Group, Spectrum, Zinni, Spectrum Group Washington Dc, George Close Spectrum, F35 Group
Competitors Deloitte, PwC, Accenture, KPMG In Pakistan, McKinsey & Company, Boston Consulting Group (BCG), Bain & Company, Oliver Wyman, L.E.K. Consulting, Roland Berger +43 more (view full list)
SIC SIC Code 87 Companies, SIC Code 874 Companies, SIC Code 73 Companies
NAICS NAICS Code 54 Companies, NAICS Code 541 Companies

The SPECTRUM Group Questions

The The SPECTRUM Group annual revenue was $18.2 million in 2026.

George Close Jr. is the President of The SPECTRUM Group.

40 people are employed at The SPECTRUM Group.

The SPECTRUM Group is based in Alexandria, Virginia.

The NAICS codes for The SPECTRUM Group are [54, 541].

The SIC codes for The SPECTRUM Group are [87, 874, 73].

Top The SPECTRUM Group Employees

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