The best 10 Security Guard Companies near San Francisco, California - with verified email and phone number owner contact info

Rambo Security Services offers private security solutions across the San Francisco Bay Area, emphasizing a visible presence to deter incidents. Established in 2003, the firm operates under California licensing and provides patrol, event, and residential protection. Client feedback highlights professionalism and reliable service, with competitive pricing and flexible scheduling options for businesses and homeowners.

VP Security Guards offers 24/7 private security with ex‑military and law‑enforcement officers. Services include armed/unarmed guards, marked‑vehicle patrol, fire‑watch, construction and warehouse security. The firm serves over 3,000 clients across 27 industries, covering California and Texas regions, and holds a 5‑star Google rating from 93 reviews.

McGill Security offers K‑9 guard services, daytime check‑in, and night‑day patrols for construction sites, hotels, retailers, and commercial properties. The company is a licensed, bonded, LBE/MBE business with over 22,000 hours of protection and 50 satisfied clients. It holds BBB accreditation and serves the San Francisco Bay Area region.

TS4 Security offers integrated personnel, digital, and electronics security services, combining experienced staff with advanced technology. Their digital solutions include cybersecurity consulting and cloud services, while electronics security covers video surveillance and access control. The company also provides data‑driven analytics, threat intelligence, and research‑based solutions, positioning it as a comprehensive security partner for businesses today.

Nob Hill Security delivers on‑site guard services across the Bay Area, covering office, residential, retail, warehouse, and event security. Their team is licensed, insured, and undergoes rigorous background checks, with optional CPR/first‑aid training. Clients note punctual, courteous guards and responsive management, while GPS tracking and daily reports enhance accountability and peace of mind.

Shield Corps Security, a veteran‑owned firm, offers private security across residential, construction, commercial, corporate, and government sectors. Founded by former military officers, it has secured high‑profile events such as Super Bowl 50 and the SF Shipyard redevelopment. The company emphasizes technology integration, 24/7 monitoring, and a 100% satisfaction record for clients today.

Armada Protective Services offers 24/7 mobile patrols, alarm response, vacant‑property checks, perimeter and door inspections, facility opening/closing, parking‑lot security, safety‑hazard identification, and lone‑worker checks. Their guard services include armed, unarmed, and fire‑watch options. Clients praise the team’s professionalism, promptness, and customized plans for businesses and residential properties.

Jones Protective Services, a certified minority‑owned local business, offers comprehensive security solutions in San Francisco. Core offerings include patrol, fixed‑post, and special‑event security guards, live‑scan fingerprinting, and notary public services. The firm emphasizes experienced personnel, modern technology, and client‑focused reliability across its service portfolio for residential, commercial, and governmental clients today.

Marina Security Services, top ranked in the Bay Area, addresses your every security need. We customize your services by proactively engaging with the community and finding the best solutions for your individual location.

OSOS Security Services offers BSIS‑approved California guard‑card training, including an 8‑hour hybrid course (3‑hour online Power‑to‑Arrest, 5‑hour in‑person Appropriate Use of Force) and a 32‑hour continuing‑education module. A 40‑hour bundle meets state requirements. Annual 8‑hour refresher and optional 4‑hour electives (e.g., Public Relations, Observation) are available online, with instant certificates.