AlliedBarton was a security company based in
Conshohocken, Pennsylvania
Conshohocken ( ; ) is a Borough (Pennsylvania), borough on the Schuylkill River in Montgomery County, Pennsylvania in suburban Philadelphia. Historically a large mill town and industrial and manufacturing center, after the decline of industry in ...
a suburb of
Philadelphia
Philadelphia ( ), colloquially referred to as Philly, is the List of municipalities in Pennsylvania, most populous city in the U.S. state of Pennsylvania and the List of United States cities by population, sixth-most populous city in the Unit ...
. The company was founded in 1957 as Allied Security. In 2016 it merged with a security and janitorial services company,
Universal Services of America of
Santa Ana, California
Santa Ana (Spanish language, Spanish for ) is a city in and the county seat of Orange County, California, United States. Located in the Greater Los Angeles region of Southern California, the city's population was 310,227 at the 2020 census. As ...
forming
Allied Universal
Allied Universal is an American Security company, private security and staffing company, based in Conshohocken, Pennsylvania and Irvine, California. Formed in 2016 by the merger of AlliedBarton and Universal Protection Service, Universal Servic ...
.
History
AlliedBarton began as Allied Security in 1957 in
Pittsburgh
Pittsburgh ( ) is a city in Allegheny County, Pennsylvania, United States, and its county seat. It is the List of municipalities in Pennsylvania#Municipalities, second-most populous city in Pennsylvania (after Philadelphia) and the List of Un ...
, a provider of contracted security guards and related services.
In 2000,
King of Prussia, Pennsylvania
King of Prussia (nicknamed K.O.P.) is a census-designated place in Upper Merion Township, Pennsylvania, Upper Merion Township in Montgomery County, Pennsylvania, United States. The community took its unusual name in the 18th century from a loca ...
-based Spectaguard acquired Allied Security and took on the Allied Security name. The new company was reportedly the fourth largest security company in the United States, as well as the largest privately held security company in the U.S.
In 2004, Allied Security acquired Security Systems Inc. (SSI) of
Malden, Massachusetts
Malden is a city in Middlesex County, Massachusetts, Middlesex County, Massachusetts, United States. At the time of the 2020 United States census, 2020 U.S. Census, the population was 66,263 people.
History
Malden is a hilly woodland area no ...
north of
Boston
Boston is the capital and most populous city in the Commonwealth (U.S. state), Commonwealth of Massachusetts in the United States. The city serves as the cultural and Financial centre, financial center of New England, a region of the Northeas ...
and
Atlanta
Atlanta ( ) is the List of capitals in the United States, capital and List of municipalities in Georgia (U.S. state), most populous city in the U.S. state of Georgia (U.S. state), Georgia. It is the county seat, seat of Fulton County, Georg ...
-based Barton Protective Services to form AlliedBarton Security Services-creating the largest American-owned contract security services company in the United States. In 2004 and also in 2008, Allied Barton bid but failed to acquire M & M Investigations & Enforcement Bureau of
Toledo, Ohio
Toledo ( ) is a city in Lucas County, Ohio, United States, and its county seat. It is located at the western end of Lake Erie along the Maumee River. Toledo is the List of cities in Ohio, fourth-most populous city in Ohio and List of United Sta ...
. In 2006, AlliedBarton acquired
San Antonio, Texas
San Antonio ( ; Spanish for "Anthony of Padua, Saint Anthony") is a city in the U.S. state of Texas and the most populous city in Greater San Antonio. San Antonio is the List of Texas metropolitan areas, third-largest metropolitan area in Texa ...
-based Initial Security, a guard company, for $73.6 million. In 2008,
The Blackstone Group
Blackstone Inc. is an American alternative investment management company based in New York City. It was founded in 1985 as a mergers and acquisitions firm by Peter G. Peterson, Peter Peterson and Stephen A. Schwarzman, Stephen Schwarzman, who h ...
of
New York City
New York, often called New York City (NYC), is the most populous city in the United States, located at the southern tip of New York State on one of the world's largest natural harbors. The city comprises five boroughs, each coextensive w ...
acquired AlliedBarton, for an undisclosed amount. In July 2015,
Paris
Paris () is the Capital city, capital and List of communes in France with over 20,000 inhabitants, largest city of France. With an estimated population of 2,048,472 residents in January 2025 in an area of more than , Paris is the List of ci ...
-based private investment firm
Wendel acquired AlliedBarton from The Blackstone Group for US$1.67 billion.
In 2016, AlliedBarton and Universal Services of America merged to form Allied Universal. In February 2017, the company officially began operations under its new name. After the merger, Allied Universal is considered to.be the largest security company in North America.
Services
AlliedBarton provided uniformed security services.
[
]
References
{{Reflist, 30em
External links
Official website
Official Türkiye Website
Security companies of the United States
American companies established in 1957
Business services companies established in 1957
Technology companies established in 1957
Companies based in Conshohocken, Pennsylvania
1957 establishments in Pennsylvania