Best Security Guards Companies in Santa Clara, California

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.

McGrew & Associates provides BSIS‑licensed security officer training, including Guard Card Level 1‑3, certification, firearm courses, tactical pistol series, California and Utah CCW classes, baton, Taser, OC pepper‑spray, and handcuff instruction. With over 20 years in service, it has trained more than 20 000 officers and earned a 2016 Outstanding Community Educator award.

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.

Private Security Plus offers licensed, bonded guards and AI‑driven surveillance across Northern California, Southern California, and Illinois. Services include unarmed and armed personnel, mobile patrols, fire‑watch, event protection, and remote monitoring. Contracts are flexible, response averages 15 minutes, and clients cite reliable, security for construction, commercial, residential, retail, and industrial sites.

Starnet Security provides 24/7 guard coverage, GPS‑monitored and digitally reported services. Offerings include unarmed guards, fire‑watch, event security, mobile patrols, temporary staffing, and employee‑termination support. With ten+ years operating, the firm is fully licensed, insured, bonded and serves 60+ locations for apartments, hospitals, construction sites, parking lots, malls and stores.

Surefire Security is a BSIS‑licensed Bay Area guard firm offering armed and unarmed protection, vehicle patrols, residential, commercial, HOA, parking enforcement, and specialized cannabis, tech‑office, retail, warehouse, event, and construction security. Certified guards carry Guard Cards, provide 24/7 dispatch, daily reports, insurance coverage, and bilingual support across the Bay region.

Providing Security Officers and Firewatch Staff in Northern California and South Bay Area. We are also Licensed PPO-120998