522 security guard and private security companies in Washington, District of Columbia. Ranked by license status, profile views and recommendations.
Part of the directory of security companies in District of Columbia. New to District of Columbia? See how District of Columbia security licensing works.
522 companies · Page 1 of 11
1st Class Security Services, LLC
A & D SECURITY CONSULTANTS
A.M.L Protective Services LLC
A.P.S. Security LLC
ABC NEWS, INC.
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Abraham Security & Training Services Inc.
ADC LTD NM INC.
ADMIRAL SECURITY SERVICES
AESecurity, Inc.
AFOGNAK DIVERSFIED SERVICES, Inc.
Alexander Security Consultants LLC
Allied Universal Compliance and Investigations, Inc.
Alpha Security, Inc.
AMERICAN EAGLE PROTECTIVE SERVICE CORPORATION
American Guard Services, Inc.
AMERICAN PROTECTION PROFESSIONALS LLC
American Protection Solutions, LLc
AMERICAN SECURITY PROGRAMS INC.
AMERICAN UNIVERSITY
ANDY FRAIN SERVICE, INC.
AOK Protective Services
APEX SECURITY GROUP, LLC
Apex Security LLC d/b/a K17 Security
APOD Group, LLC
Arcadion Security Group, LLC
ARCHANGEL GLOBAL SECURITY, LLC.
Area Probe, Inc
Ares Defense Group, LLC
Aron Security Inc.
Aspis Protection Service LLC
Asset Protection & Security Services
ASSOCIATED PROTECTIVE SERVICE INC.
Assured Concepts, L.L.C.
AT Protective Services, LLC
ATLAS INTERNATIONAL SECURITY & INVESTIGATIVE SERVICES
AX9 Security, Inc.
B. I. S. Protection, Consultants, Investigations, and Protection Services
BASS PROTECTION SERVICES, LLC
BDS PROTECTIVE SERVICES INC
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Washington, DC is a top-tier private security market driven by the federal government and its vast base of agencies and contractors, the diplomatic corps, and a dense downtown office core. Federal buildings and their contractors, embassies and international missions, K Street law firms, lobbying shops and trade associations, think tanks, and universities like Georgetown, GWU, Howard and American drive constant demand for professional lobby and access-control posts, credential and visitor management, and after-hours patrol. The Smithsonian museums, national monuments and a heavy tourism calendar, sports and events at Capital One Arena and Nationals Park, hospital campuses, and frequent demonstrations and large public gatherings add event, crowd-management and public-facing coverage across wards from downtown and the Golden Triangle to Capitol Hill, Georgetown, NoMa and the Wharf. Because DC has some of the strictest firearm laws in the country, the overwhelming majority of contract security is unarmed — armed posts require Metropolitan Police Department firearm registration and a Special Police Officer commission — and many firms serving the District are headquartered in the Maryland and Virginia suburbs but licensed to operate in DC.
The providers below are ranked on merit, but the final check is yours. Work through these four steps before you sign anything in Washington:
Private security in District of Columbia is licensed at the state level by the the DC Department of Licensing and Consumer Protection (business and individual licenses) and the Metropolitan Police Department's Security Officers Management Branch (oversight and Special Police Officer signoff). A legitimate company operating in Washington holds a a Security Agency Business license, which means it has cleared DC DLCP and MPD's ownership, background-check and insurance requirements. Ask for that license number in writing and verify it yourself — a certificate on the wall tells you nothing about current standing, since a license can be suspended or revoked.
Hiring an unlicensed company is a risk you carry. In District of Columbia, operating without a license is civil penalty (dlcp), post-oct. 1, 2025 licensing framework (D.C. Code § 47-2853.208 (unlawful acts in subsecs. (a)-(b); civil-penalty authority in subsec. (d)), eff. Oct. 1, 2025). Since October 1, 2025, operating a security agency without a DLCP occupational license — or acting as a special police officer or private detective without a license and the Chief of Police's approval — violates D.C. Code § 47-2853.208(a)-(b), and subsection (d) empowers the DLCP Director to impose civil penalties (amount set by rule) and to deny, suspend, or revoke the license; the older $300 misdemeanor penalty under D.C. Code § 47-2846 was repealed effective October 1, 2025.
Washington scores 40/100 on our Crime Index (grade E), which makes it safer than 9% of the 759 US cities we track. The index is built from FBI Crime Data Explorer reports for a population of 693,645.
Crime Index
Crime rates describe a city, not a specific address — the right level of coverage depends on your block, your hours and what you're protecting. Use the neighborhood breakdown to see how Washington varies internally before you scope a contract.
See the full Washington Crime Index and neighborhood breakdown