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

Woodside Patrol, a private security firm established in 1930, offers 24/7 patrol, alarm response, house checks, daily property checks, and traffic/parking control. The company works closely with the San Mateo County Sheriff’s Department and provides a range of services for residential and commercial clients. It also offers employment opportunities with benefits.

Firewatch Staff offers 24‑hour emergency firewatch and security guard services across San Jose and Northern California. The company provides licensed, experienced personnel for construction sites, commercial properties, and residential complexes. Clients note reliable, professional service and flexible scheduling, with a focus on safety and rapid response for any security needs.

Global Risk Solutions offers a range of security services, including bodyguard, estate, executive, travel, and event protection. The site features detailed guides on risk mitigation, reduction‑in‑force security, labor‑strike protection, and social‑function safety. It also provides articles on bodyguard costs, VIP protection, and career opportunities for security professionals today.

Maloney Security offers comprehensive physical security, with a focus on event protection. Established in 1976, the woman‑owned firm provides trained, licensed guards, CPR/AED/First Aid certification, and a Red‑Cross‑certified instructor. It has secured high‑profile events such as the Game Developers Conference, SEMICON West, and the Winter Fancy Food Show, and provides executive protection services.

Guardsline Security offers 24/7 unarmed guard services across the Bay Area, covering commercial, residential, construction, school, and cannabis facilities. Their licensed, insured officers provide parking control, fire‑watch, and access‑control solutions, with a 4.9‑star rating from over 250 clients. A free quote is available online today.

McGrew & Associates, Inc. offers comprehensive security training, including Guard Card (Levels 1‑3), BSIS Exposed Firearm, California CCW, Utah CCW, baton, Taser, and OC pepper‑spray courses. With over 20 years of experience, the firm has trained 20,000+ officers and provides job assistance, a 1‑day Guard Card option, and a 9‑year award streak.

Prosegur Security USA offers a comprehensive suite of security solutions, including licensed guard services, remote monitoring, integrated systems, and cybersecurity. Their hybrid model blends on‑site and virtual protection, while global risk services provide travel and crisis support. The company serves diverse industries such as high‑tech, healthcare, and logistics, and emphasizes data‑driven risk management and rapid response.

United Security Specialists delivers on‑site protection, mobile patrol, and event security backed by a decade of experience. Their team includes former law‑enforcement, military, and security personnel. Real‑time reporting is enabled through the SilverTrac app. Services cover financial institutions, hospitals, corporate offices, warehouses, residential properties, and retail centers, offering nationwide solutions.

Legion 13th Security offers unarmed, armed, fire‑watch, mobile patrol, roving patrol, and parking‑enforcement services across the Bay Area. With 15 years of experience, they provide GPS‑verified guard deployment, real‑time reporting, and flexible agreements. The firm has completed over 10,000 patrols, issued 1,000+ citations, and maintains an 89.1% guard retention rate.

PrimeGuards delivers nationwide security solutions, offering licensed armed and unarmed guards, commercial, construction, healthcare, and event protection. Their services include fire‑watch, mobile patrols, and executive bodyguards, backed by 27 years of experience, 30,000+ staff, and 24/7 command‑center oversight. Clients note rapid response, reliable coverage, and customized plans for businesses today.