Compare Security Guards businesses in Livermore, California using available location, website, phone, and business profile information.
Tang currently lists 3 security guards business records in Livermore, 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 |
|---|---|---|---|---|---|
| AX9 Security | 4.8 | 12 | Livermore, California | ax9.us | +1 888-471-1128 |
| BlueSky Private Security | 3.4 | 13 | Livermore, California | blueskyprivatesecurity.com | +1 925-245-1711 |
| Sureline Training & Compliance | 5.0 | 5 | Livermore, California | surelinetraining.com | +1 916-272-0911 |
| Guardian Security Group | 4.5 | 15 | Pleasanton, California (nearby) | guardiansecuritygroup.com | +1 888-959-6404 |
| Metro Security Services | 5.0 | 5 | Pleasanton, California (nearby) | metrosecurityservices.com | +1 925-233-0000 |
| Overton Security Services Inc. | 3.6 | 27 | Pleasanton, California (nearby) | overtonsecurity.com | +1 760-226-4000 |
Ratings are recorded values, not independent endorsements. Confirm current availability and details directly with the business.
3 Security Guards companies in Livermore · showing 9 nearby within 100 miles.
AX9 Security offers nationwide physical security solutions, including guard patrols, 24/7 response, loss‑prevention audits, and event protection. The firm serves commercial, industrial, medical, educational, and hospitality sectors, leveraging a TrackTik backend for real‑time reporting, GPS tracking, and time‑keeping. It holds state and federal licenses, including GSA and DBE certifications.
BlueSky Private Security provides residential and commercial security services in the East Bay and Tri‑Valley areas. The firm offers trained site officers and roving patrols, emphasizing professionalism and reliability. Clients can apply online, and the company maintains a client report and newsletter subscription for updates and promotions.
Sureline Security Services offers private security for retail plazas, essential‑service sites, and HOA communities across the Greater Sacramento and San Joaquin Valley. Services include uniformed patrols, mobile patrols, and on‑site officers, with real‑time digital incident reports and GPS logs. Pricing is customized, and deployment can occur within 24‑48 hours for local properties.
Closest available companies in nearby cities.
Guardian Security Group delivers 24/7 on‑site protection, executive escort, event coverage, loss prevention, and technology‑based security solutions. Their team of uniformed, trained guards tailors plans to each client’s needs, ensuring reliable, responsive service. Positive client feedback highlights reliability and flexibility, while a growing roster of high‑profile partners underscores industry trust and reputation.
Metro Security Services offers a range of guard solutions—including unarmed, mobile patrol, fire watch, traffic control, event, and parking lot security—across the Bay Area and Sacramento. Their team is certified, bonded, and trained, serving corporate, retail, medical, campus, and residential clients. Positive client reviews highlight professionalism, reliability, and responsive service for businesses and events.
Overton Security offers uniformed guards, mobile patrols, and executive protection across California and Texas. With 26+ years experience, 4.6‑star rating, and 1,200+ client reviews, the firm emphasizes training, technology, and industry‑specific solutions for construction, retail, healthcare, and residential sites, backed by a client portal and real‑time dispatch.
Securelion Security offers 24/7 unarmed guard, fire watch, mobile patrol, golf‑cart, and vehicle guard services across California. With over 40 years of experience, the company provides licensed, insured officers, background‑checked and trained, and includes live‑dispatch tracking. Clients note punctual, courteous guards and responsive customer support for businesses and institutions today.
Veterans Covert Protection Group (VCPG) offers veteran‑led, licensed, and insured security services across the Bay Area, including executive, corporate, residential, event, armed and unarmed protection. With 8 years of experience, 5‑star Google rating, and 10.9% response rate, the firm emphasizes intelligence‑driven planning, rapid deployment, and 24/7 coverage for clients.
Citadel Private Security offers licensed, insured guard services across California, featuring BSIS‑certified officers, 24/7 dispatch, and same‑day deployment. Clients report rapid response, consistent coverage, and a 98% retention rate. Services include armed and unarmed patrols, event security, and industry‑specific solutions for construction, retail, and residential properties.
ADS Guards offers licensed, insured security services across California, Texas, Oregon, and Washington, featuring armed and unarmed guards, mobile patrols, construction site protection, and event security. Their 28‑year‑old company provides real‑time guard tracking via GuardOne, a 24/7 dispatch center, and flexible pricing without long‑term contracts, earning positive client reviews for reliability and professionalism.
C & C Security Patrol offers on‑site guard and patrol services across the Bay Area, backed by 30+ years of experience. Their guards undergo rigorous screening and training, and the company emphasizes safety, ethics, and customer partnership. Client testimonials highlight responsive staff and reliable protection for events and properties, with a focus on modern security needs.
American Forever Security offers 24/7 guard services across California, featuring licensed, insured officers and advanced surveillance technology. Their portfolio includes unarmed, armed, fire‑watch, event, and vehicle patrols, plus executive protection and alarm response. Clients note reliable, professional staff and responsive customer support for residential, commercial, and industrial properties throughout the state.
