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Best Security System in Los Angeles, CA (2026)

13 businesses found · Ranked by quality, not ads

Find top-rated security system businesses in Los Angeles, CA. Every business is ranked by Quality Score — our quality metric based on responsiveness, data completeness, and verified reviews. Not who pays the most.

Choice Alarm

Los Angeles, CA

Security System

★ 4.1(20 reviews)

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Safe and Sound Security

Los Angeles, CA

Security System

★ 5.0(15 reviews)

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Secure Zone

Los Angeles, CA

Security System

★ 5.0(17 reviews)

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Allied International Security Guards Company

Los Angeles, CA

Security System

★ 4.9(91 reviews)

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Optimum Surveillance

Los Angeles, CA

Security System

★ 5.0(69 reviews)

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SCSCCTV Surveillance Camera installation Los Angeles

Los Angeles, CA

Security System

★ 4.9(32 reviews)

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Los Angeles Professional Security, Alarm & Video Monitoring

Los Angeles, CA

Security System

★ 3.2(9 reviews)

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CSI Security

Los Angeles, CA

Security System

★ 4.9(98 reviews)

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ACS Security

Los Angeles, CA

Security System

★ 4.4(358 reviews)

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Ace Alarm, Inc.

Los Angeles, CA

Security System

★ 4.4(37 reviews)

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Cyber Shield Security

Los Angeles, CA

Security System

★ 4.8(24 reviews)

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DVRS, Inc.

Los Angeles, CA

Security System

★ 5.0(96 reviews)

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VP Security Guards

Los Angeles, CA

Security System

★ 5.0(102 reviews)

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