Best Security Guards Companies in Livermore, California

Sureline Security offers private guard and mobile‑patrol services for retail plazas, essential facilities, and HOA communities across Greater Sacramento and the San Joaquin Valley. Their approach includes high‑visibility patrols, real‑time GPS‑verified reporting, and customizable pricing. All officers are California‑licensed, insured, and can be deployed within 24‑48 hours to meet client needs effectively.

BlueSky Private Security offers residential and commercial protection across the East Bay and Tri‑Valley, featuring trained site officers and roving patrols. The firm emphasizes professionalism and reliability, providing client reporting tools and online application options. Social media links suggest active community engagement and updates for clients seeking peace of mind.

AX9 Security is dedicated to the safety and security of our clients and their assets. We are able to customize security services to meet the specific needs of each client.

Guardian Security Group provides 24/7 on‑site security, executive protection, event staffing, loss‑prevention strategies, and technology‑focused safeguards. Their uniformed guards are trained to adapt to varied client needs, with custom plans highlighted by positive client testimonials. Notable clients include Airbnb, Marriott, Salesforce, Samsung, Live Nation, and other leading brands worldwide.

Overton Security provides on‑site guards, mobile patrols and executive protection for sectors such as construction, healthcare, retail and residential communities. With 26 + years experience, it uses guard‑tour tracking, a client portal and dispatch communications. The company holds a 4.6‑star rating from over 1,200 reviews and serves many California and Texas locations.

Licensed Security Guard Company in California. We offer 24x7 Security Guard Services in all of California's major cities. Call 8885725545

Metro Security Services offers unarmed, mobile patrol, fire‑watch, event, traffic‑control, and parking‑lot guard solutions across the Bay Area and Sacramento. They serve corporate, residential, medical, retail, construction, and campus sites, employing licensed, bonded personnel. Positive client feedback highlights reliability, professionalism, rapid response, 24/7 coverage, and overall security needs today.

Veterans Covert Protection Group, a veteran‑owned firm, delivers intelligence‑driven corporate, executive, residential, and event security across the Bay Area. Services include armed and unarmed guards, 24/7 rapid response, and customized risk assessments. Licensed, insured, and highly rated on Google, the local team supports private tech, AI, and finance enterprise leaders.

Citadel Private Security, a California‑licensed PPO (#121578), offers BSIS‑certified guards with same‑day deployment and 2‑hour emergency response. With 15+ years experience, 100+ active sites, and a 98% client retention rate, it provides 24/7 dispatch, dedicated account managers, and services ranging from event and commercial security to armed patrols across industries.

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.

American Forever Security offers fully insured, state‑licensed guards throughout California, covering over 70 cities. Services include unarmed/armed patrols, fire watch, event security, vehicle patrols, executive protection, alarm response and training. The firm emphasizes 24/7 support, advanced surveillance tech, and industry‑specific solutions for residential, commercial and public sectors.