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

Red Dragon Private Security provides state‑certified armed and unarmed officers, plain‑clothes loss prevention, vehicle patrol, and process‑serving services. Their Security Academy offers California‑approved training, and the firm is hiring. Clients receive real‑time safety alerts, activity summaries, and centralized, paper‑less reporting for businesses seeking reliable protection and peace of mind.

Armada Protective Services offers San Francisco security solutions, including on‑site guard patrols, mobile patrols with GPS tracking, and event security. With over 30 years of local experience, the company provides licensed, insured, BSIS‑certified personnel, real‑time reporting, and industry‑specific services for commercial, residential, industrial, and public‑sector clients, ensuring reliable protection and peace of mind.

Nile Security Services delivers 24/7 on‑site protection, featuring CCTV monitoring, vehicle patrol, and trained guards. Their team uses live‑streaming cameras, detailed reporting, and rapid response protocols. Clients praise the company for reliable, technology‑driven security solutions that safeguard property and provide peace of mind for businesses and individuals today.

Bannerman offers San Francisco businesses a technology‑driven security solution, featuring a dashboard for real‑time guard monitoring, schedule management, and incident reporting. Services include front‑desk, reception, entry control, and specialized security for healthcare, office, residential, industrial, outdoor, and stadium environments. Options cover armed guard, supervision, vulnerability assessment, concierge, mobile patrol, standing, and foot patrol.

Securitas offers a broad range of security solutions, including on‑site guarding, mobile patrols, remote monitoring, electronic surveillance, fire protection, and risk intelligence. The company emphasizes data‑driven threat analysis, compliance support, and scalable, technology‑integrated services. Client testimonials highlight its role in enhancing data‑center security for major firms and industry‑specific expertise.

Jeff Gutierrez Event Security Guard offers commercial, event, and personal security services across the San Francisco Bay Area. With over 40 years of experience, the firm provides armed and unarmed guard options, CCTV installation, loss prevention, and compliance solutions. Clients include high‑profile events such as the Golden State Warriors and San Francisco Giants.

The Guard Alliance offers security guard services across the U.S., including armed, unarmed, roving patrol, and fire‑watch. Founded in 2010, the company emphasizes no long‑term contracts, a 24‑hour dispatch center, GPS‑tracked patrols, and state licensing. Clients can request quotes online and explore industry‑specific solutions for commercial, residential, and event properties.

Critical Synthesis Security offers a full range of security services, including armed and unarmed guard deployment, executive protection, private investigation, high‑tech locksmithing, surveillance installation, threat assessment, building security, patrol, event security, and search‑and‑rescue operations. Their online training covers guard trades and emergency response, while a dedicated CSS investigation unit screens all officers.

Execushield, Inc. delivers comprehensive security solutions, including guard services, executive protection, and a full spectrum of training courses from basic firearms to advanced tactics. With over 21 years of experience and a 99% customer satisfaction rate, the company emphasizes customizable assignments, in‑house training, and 24/7 supervision, earning strong client praise for reliability and professionalism.

Cal Bay Protective Services offers a range of security solutions, including armed and unarmed guard patrols, executive protection, and security consulting. Their officers, many with law‑enforcement backgrounds, receive ongoing training and adhere to BSIS regulations. Services cover residential, commercial, and industrial settings, emphasizing risk assessment and emergency preparedness for clients.