Coleman Security & Investigation is a professional security and investigation company that provides highly trained, experienced guards and agents to companies who seek protection. Our team is dedicated to ensuring the safety and security of our clients and their assets.

Protect What Matters with Coleman Security & Investigations

Looking for trusted Security Guard Service services in San Jose? Coleman Security & Investigations is your local expert for alarms, surveillance, access control, and more. Whether you're securing your home or business, get help from pros who know how to keep you safe. Fast. Simple. No pressure.

Fast. Easy. Hassle-Free.

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Expert Security Tips & Insights

Discover guides and advice from industry pros
to help you secure your home, business, and peace of mind.

How to Make Smart Home Tech Work for You (Not Against You)

June 26th, 2025

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Protect What Matters with Coleman Security & Investigations

Expert Security Tips & Insights

How to Make Smart Home Tech Work for You (Not Against You)

The Future of Home Security: What to Expect in the Next Decade

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