Compare Security Guards contractors in Union City, California with websites, phone numbers, addresses, and company profiles. Updated August 2026.
2 Security Guards companies in Union City · showing 10 nearby within 100 miles.
ADS Guards provides licensed security guard services in California, Texas, Oregon, and Washington, covering unarmed, armed, construction site, mobile patrol, event, commercial, residential, and retail protection. The firm uses GuardOne for real‑time GPS tracking and reporting, operates a 24/7 dispatch center, and highlights flexible pricing with no mandatory contracts option.
C & C Security Patrol provides private security solutions, including licensed on‑site guards, mobile foot and vehicle patrols, and event protection. With over 30 years’ experience, the firm emphasizes rigorous guard training, background screening, and a client‑focused approach. Customer reviews note reliable, professional service and responsive support in the region.
Closest available companies in nearby cities.
Barrera Intervention is a California security firm offering guard services across the Bay Area. Their portfolio includes firewatch, mobile patrol, event and on‑site security, residential patrol, retail loss prevention, and construction security. They also provide training such as pepper‑spray certification, guard‑card and handcuff courses, serving both commercial and private clients.
Garcia's Security Training offers a range of programs, including Initial Firearms, Power to Arrest, Firearms Requalification, Continuous Education, ECD, OC Spray, and First Aid/CPR/AED. Their Mobile Live Scan provides forensic‑grade fingerprinting, child services, and forms. Notary Public courses, live and online registration, an events calendar, and merchandise are also available.
South County Security offers home security installation and repair, featuring security cameras, alarm systems, smart locks, and video doorbells. The service emphasizes licensed, insured technicians, same‑day appointments, and a no‑fix‑no‑fee guarantee. 24/7 professional monitoring and smart home integration are also available, aiming for reliable, affordable protection for residential customers nationwide.
K‑9 Private Security, led by veteran Derrick Johnson, delivers licensed guard services across Bay Area sectors. Offerings include commercial, cannabis, retail, residential, campus, executive, remote and technology‑driven protection. Emphasis on customized plans, proactive patrols, advanced surveillance, and affordable rates, backed by 8,200+ protection hours and strong client feedback consistently overall.
Top Flight Security offers 24‑hour private security and patrol services. The site highlights an A+ BBB rating and a range of specialties, including event, patrol, industrial/construction, VIP/bodyguard, and temporary/emergency security. Navigation links to About and Services pages are clearly presented for prospective clients today, seeking reliable protection solutions and peace.
Legion 13th Security leverages 15 years of Bay Area experience and GPS‑verified GuardsPro technology to offer flexible, no‑commitment security contracts. Services include armed/unarmed guards, fire watch, mobile and roving patrols, and parking enforcement. Rapid two‑hour deployment, 24/7 support, real‑time reporting, and a high guard retention rate underscore its strong reliability.
PrimeGuards provides nationwide security guard services, including armed and unarmed personnel, commercial, construction, bank/ATM, event, and fire‑watch coverage. Additional options feature off‑duty police, K‑9 units, patrols, and investigative surveillance. With over 30,000 staff, 27 years experience, and veteran ownership, it serves businesses, corporations, healthcare, education, and retail sectors, public facility management.
SGT Private Security offers hourly guard services, courtesy patrol with parking enforcement, and executive protection across the Bay Area. Their 24‑hour operations center provides real‑time GPS tracking, incident reporting, and body‑camera footage. Clients receive a dedicated account manager, transparent pricing, and staff trained under a people‑first, integrity‑focused philosophy, service commitment.
OnPatrol, Inc. delivers security services built on people, training, processes, technology, and feedback. Offerings include vehicle patrol, executive protection, event security, off‑duty police, armed and unarmed officers, and concierge staffing. Their accountability system uses electronic guard tours and GPS tracking. A four‑step workflow—assess, build, protect, support—serves over 9,000 clients globally.
American Global Security is a leading security guard company in San Francisco Bay Area, CA. Our security guard services keep your building and homes safe.