Compare Security Guards businesses in South San Francisco, California using available location, website, phone, and business profile information.
Tang currently lists 1 security guards business records in South San Francisco, California. Use the comparison below to review available contact and location information, then open each company profile for more details.
These listings are not a “best” ranking. Ratings, review counts, services, and verification dates are shown only when recorded. Nearby results, where available, are labeled separately.
Directory snapshot updated: 2026-10-12. Individual record verification dates may differ.
The first 6 listings in directory order, not a quality ranking. “-” means the information is unavailable, not zero.
| Business | Google Ratings | Reviews | Location | Website | Phone |
|---|---|---|---|---|---|
| Nationwide Investigations & Security, Inc. | 5.0 | 1 | South San Francisco, California | - | +1 800-294-6042 |
| Eagle Protective Services Inc. | 3.8 | 10 | San Bruno, California (nearby) | eagleprotectiveservices.com | +1 800-219-2303 |
| Baystar Security Patrol | 2.7 | 3 | Millbrae, California (nearby) | baystarpatrol.com | - |
| Mint Security Inc. | 4.5 | 15 | Burlingame, California (nearby) | mintsecurity.us | +1 415-757-9190 |
| 1st Defense Security | 3.7 | 9 | Oakland, California (nearby) | 1stdefense.org | - |
| ABC Security Service | 3.0 | 25 | Oakland, California (nearby) | abcsecurityservice.com | +1 510-436-0826 |
Ratings are recorded values, not independent endorsements. Confirm current availability and details directly with the business.
1 Security Guards company in South San Francisco · showing 11 nearby within 100 miles.
Nationwide Investigations & Security offers 24/7 security and investigative services across the Bay Area, including guard patrols, private investigations, fire watch, bodyguard protection, CCTV monitoring, and OSHA‑compliant safety audits. Clients can request a free quote online, and the firm holds an A+ BBB rating for reliability and professionalism.
Closest available companies in nearby cities.
Eagle Protective Services offers 15 years of security expertise, covering guard, patrol, and executive protection across California and nationwide. Their team brings over 40 years combined law‑enforcement experience, operates 24/7, and emphasizes reliable, responsive service. Clients can access support anytime, ensuring continuous protection for businesses and individuals seeking peace of mind.
Baystar Security Patrol delivers 24/7 armed and unarmed guard services across the San Francisco Bay Area, covering residential, commercial, and event security needs. Their licensed officers provide on‑site patrols, private protection, and executive escort options. Established in 1998, the firm emphasizes professional, courteous service and rapid incident response for clients today.
Mint Security offers 24/7 armed and unarmed guard services across the San Francisco Bay Area, featuring GPS tracking, BSIS‑approved training, and rapid response. Clients can request quotes online, and the firm emphasizes transparent pricing, flexible contracts, and a focus on de‑escalation techniques. Positive client feedback highlights professionalism and reliability for businesses and events.
1st Defense offers uniformed security, event security, and video surveillance services. The company has earned the Best of Oakland Award for Private Patrol Service twice and was named to the 2023 Oakland Business Hall of Fame. Clients note professionalism, efficiency, and reliable service across residential, commercial, and event settings for businesses and homeowners.
ABC Security Service offers armed and unarmed guard deployment, access control, maritime protection, and construction site security. With over 50 years of experience, the firm serves public and private entities, including airports, government facilities, hospitals, and retail venues. Their Ten‑To‑Win program emphasizes guard professionalism and client satisfaction, ensuring reliable, responsive service.
All Nation Security Services offers 24/7 patrol, event, and private‑property security across California, Nevada, Florida, and Texas. With over 20 years of experience, the company provides licensed, bonded officers, real‑time monitoring, and a mobile app for timekeeping and incident reporting. Client reviews average 4.4 stars, noting professionalism and reliability.
Alpha Patrol Security offers a range of services, including armed and unarmed guards, employee‑termination security, event protection, patrols, video surveillance, and fire‑watch. The company emphasizes trained personnel, off‑duty police partnerships, and community‑focused employment. Clients can request a free quote and apply for positions through the site today.
Armorous Security offers private security solutions across Northern California, including armed and unarmed guards, vehicle patrols, emergency response, and crime deterrent systems. The firm serves commercial, residential, construction, cannabis, medical, and hospitality sectors, covering Napa, Sonoma, San Francisco Bay Area, Alameda, Marin, Sacramento, Mendocino, and Lake counties. It received the 2024 BEST OF Gold award.
Bay Valley Security offers private security services with over 18 years of experience. Their licensed, unarmed officers undergo rigorous background checks and maintain clean driving records. Services include construction, fire watch, gatehouse, commercial, high‑rise, retail, hotel, medical, event, and vehicle patrol security. Clients can request a free quote online today.
Citiguard, a California security firm, ranks in the INC 5000 Top 100 and serves 0.01% of CA companies. With 50+ years of experience, it offers armed, unarmed, fire‑watch, event, and executive protection, plus vehicle patrol and electronic security. Employees receive comprehensive training, and the company serves residential, commercial, industrial, and hospitality sectors across the state.
Diligence Security Group offers veteran‑owned, California‑based security solutions, including armed and unarmed guard services, consulting, technology integration, training, mobile patrols, and executive protection. Their team is licensed, insured, and available 24/7, with real‑time communication and structured protocols. Clients praise the company for professionalism, reliability, and strong client relationships and support.
