San Francisco is home to some of the world's best-recognized business and social events, it has become one of America's fastest-paced construction areas, and it is frequented by numerous VIPs and celebrities. What all of these things have in common is a very real need for the best professional security companies.

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From trained security guards to personal bodyguards to mobile security patrol cars, these companies have seen it all and done it all.

SFist has compiled a list of top-notch security companies which have been patrolling businesses, private events, and personal property for years.


#SPONSORED - The teams and individuals below have been investigated based on a range of qualitative and quantitative data points. In some cases, variable listing fees may effect position on this list; however only highly-regarded firms are accepted to any review analysis on SFist's ongoing promotions.
#1 - Armada Security
#1 of 5 Best Security Companies in SF : Armada Security
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Armada Security have been named as the number 1 of the 5 Best Security Companies due to their ability to provide services in a timely fashion and to client specifications. Armada Security is located in San Francisco.

#2 - Allied Universal
#2 of 5 Best Security Companies in SF : Allied Universal
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Allied Universal have been named as the number 2 of the 5 Best Security Companies due to their ability to provide services in a timely fashion and to client specifications. Allied Universal is located in San Francisco.

#3 - Securitas
#3 of 5 Best Security Companies in SF : Securitas
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Securitas have been named as the number 3 of the 5 Best Security Companies due to their ability to provide services in a timely fashion and to client specifications. Securitas is located in San Francisco.

#4 - Corporate Security Service
#4 of 5 Best Security Companies in SF : Corporate Security Service
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Corporate Security Service have been named as the number 4 of the 5 Best Security Companies due to their ability to provide services in a timely fashion and to client specifications. Corporate Security Service is located in San Francisco.

#5 - Protech
#5 of 5 Best Security Companies in SF : Protech
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Protech have been named as the number 5 of the 5 Best Security Companies due to their ability to provide services in a timely fashion and to client specifications. Protech is located in San Francisco.