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Security Guards Companies in Chatsworth, California

Compare Security Guards businesses in Chatsworth, California using available location, website, phone, and business profile information.

Security Guards Companies in Chatsworth

Tang currently lists 2 security guards business records in Chatsworth, California. Use the comparison below to review available contact and location information, then open each company profile for more details.

These listings are not a “best” ranking. Ratings, review counts, services, and verification dates are shown only when recorded. Nearby results, where available, are labeled separately.

Directory snapshot updated: 2026-10-12. Individual record verification dates may differ.

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The first 2 listings in directory order, not a quality ranking. “-” means the information is unavailable, not zero.

Business comparison using available directory records
BusinessGoogle RatingsReviewsLocationWebsitePhone
Assertive Security Services & Consulting Group, Inc.4.733Chatsworth, Californiaassertivesecurityservices.com+1 818-301-8883
Professional Security Guard Inc.4.312Chatsworth, Californiaprosecurityguard.com+1 877-626-8723

Ratings are recorded values, not independent endorsements. Confirm current availability and details directly with the business.

2 Security Guards companies in Chatsworth.

ASAssertive Security Services & Consulting Group, Inc.
4.7(33 reviews)Google
20525 Nordhoff St #116, Chatsworth, CA 91311
Security Guards Email listed Phone listed

Assertive Security Services offers 24/7 armed and unarmed guard patrols, fire watch, and 24/7 dispatch across California. Their team includes 1,200+ guards, 200+ supervisors, and 200+ dispatchers, all licensed, bonded, and insured. Clients praise rapid response, professional conduct, and flexible scheduling for residential, commercial, and industrial properties throughout the state.

+1 818-301-8883 in••••••@assertivenow.com assertivesecurityservices.com
PSProfessional Security Guard Inc.
4.3(12 reviews)Google
21220 Devonshire St #204, Chatsworth, CA 91311
Security Guards Email listed Phone listed

Professional Security Guard offers licensed, insured, BSIS‑certified guards across California, providing 24/7 unarmed patrol, firewatch, construction site, commercial, residential, event, school, logistics, and VIP protection. Their real‑time monitoring system tracks guard check‑ins and incidents, while client testimonials highlight reliable, responsive service for businesses and property owners seeking peace of mind today.

+1 877-626-8723 in••••••@prosecurityguard.com prosecurityguard.com