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

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.

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.

Private Security Plus offers enterprise‑level security across California and Illinois, featuring licensed, bonded, and insured guards, 24/7 dispatch, and no long‑term contracts. Services include armed/unarmed guards, mobile patrol, fire watch, event security, AI surveillance, and remote monitoring. Clients such as Tesla, Lennar, and Prologis praise the hybrid approach and rapid response.

Sol Guard Company offers a one‑day, BSIS‑approved California Guard Card course at $60, meeting the 40‑hour training requirement. The program includes a 30‑day and a 6‑month follow‑up course. Students must be 18+, pass a background check, and complete a live‑scan fingerprinting process. The guard card is valid for two years.

Starnet Security offers licensed, insured guard services across the Bay Area, featuring 24/7 support, GPS‑monitored patrols, digital reporting, and same‑day coverage. Their portfolio includes unarmed and armed guards, fire‑watch, event security, mobile patrols, and employee‑termination assistance. With 25+ events served and 60+ service areas, they serve hospitals, malls, and construction sites.

Surefire Security offers licensed California private patrol services across the Bay Area, featuring armed and unarmed guards, vehicle patrols, residential and commercial coverage, and specialized solutions for cannabis, tech, retail, and construction sites. Officers hold BSIS registration, Guard Cards, and provide daily activity reports with 24/7 dispatch and bilingual support.