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Best Security System in Washington (2026)

70 businesses found · Ranked by quality, not ads

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

Washington Alarm

Seattle, WA

Security System

★ 4.4(100 reviews)

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Watson Security

Seattle, WA

Security System

★ 4.9(14 reviews)

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Connect&Protect

Seattle, WA

Security System

★ 4.8(118 reviews)

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Sonitrol Pacific Security Systems Everett, A Pye-Barker Fire & Safety Company

Everett, WA

Security System

★ 5.0(34 reviews)

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Security Alarm Corporation Seattle

Auburn, WA

Security System

★ 3.4(5 reviews)

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Certified Security & Integration

Spokane Valley, WA

Security System

★ 4.5(94 reviews)

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ADT Security Services

Tacoma, WA

Security System

★ 4.3(308 reviews)

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Modern Solutions Co

Spokane, WA

Security System

★ 5.0(21 reviews)

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American Security Consultants

Spokane, WA

Security System

★ 5.0(5 reviews)

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Advanced Electric & Alarm Systems, Inc.

Spokane Valley, WA

Security System

★ 3.6(10 reviews)

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Performance Systems Integration

Spokane, WA

Security System

★ 4.9(174 reviews)

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Moon Security Services, A Pye-Barker Fire & Safety Company

Spokane Valley, WA

Security System

★ 4.1(17 reviews)

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Secure Pacific Corporation - Tacoma, A Pye-Barker Fire & Safety Company

Tacoma, WA

Security System

★ 4.5(25 reviews)

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International Tactical Security

Vancouver, WA

Security System

★ 4.9(49 reviews)

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Robblee's Total Security, Inc.

Tacoma, WA

Security System

★ 4.9(111 reviews)

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All Systems Integrated, Inc.

Puyallup, WA

Security System

★ 4.9(51 reviews)

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E&E Private Protection

Tacoma, WA

Security System

★ 4.9(36 reviews)

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Protec Security & Smart Home - Tacoma WA

Federal Way, WA

Security System

★ 4.2(92 reviews)

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E-Squared Systems LLC

Lakewood, WA

Security System

★ 5.0(1 review)

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ISLAND TIES SECURITY LLC

Tacoma, WA

Security System

★ 4.5(8 reviews)

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ADT Security Services

Lakewood, WA

Security System

★ 2.4(28 reviews)

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Global Security & Communication, Inc.

Vancouver, WA

Security System

★ 4.0(60 reviews)

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ALK Global Security Solutions

Vancouver, WA

Security System

★ 4.6(14 reviews)

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Metro Security Access Control

Vancouver, WA

Security System

★ 5.0(1 review)

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Eclipse Security Professionals

Vancouver, WA

Security System

★ 3.2(32 reviews)

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Metro Protection Services

Vancouver, WA

Security System

★ 4.1(18 reviews)

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Central Protection

Seattle, WA

Security System

★ 4.9(37 reviews)

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RSI Technologies LLC

Tacoma, WA

Security System

★ 4.9(18 reviews)

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Security Solutions NW

Spokane, WA

Security System

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A-TEC Commercial Surveillance and Access Control

Spokane Valley, WA

Security System

★ 5.0(4 reviews)

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Stonewall Security

Seattle, WA

Security System

★ 4.8(72 reviews)

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Island Security Systems Inc

Mercer Island, WA

Security System

★ 4.5(45 reviews)

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Sonitrol Pacific Security Systems Seattle, A Pye-Barker Fire & Safety Company

Bellevue, WA

Security System

★ 4.7(21 reviews)

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ADT Security Services

Bothell, WA

Security System

★ 3.8(133 reviews)

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HPD Security, LLC - Seattle Security Guard Services

Seattle, WA

Security System

★ 4.7(59 reviews)

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A.L.P.H.A OFF DUTY SECURITY SERVICES

Auburn, WA

Security System

★ 5.0(92 reviews)

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Security Services Northwest, Inc

Sequim, WA

Security System

★ 4.0(52 reviews)

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Fortress Security Services

Seattle, WA

Security System

★ 2.5(11 reviews)

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NW Security & Sound, LLC

Snohomish, WA

Security System

★ 5.0(47 reviews)

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Secure Pacific Corporation - Spokane, A Pye-Barker Fire & Safety Company

Spokane Valley, WA

Security System

★ 4.8(32 reviews)

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KNS Alarm Services

Spokane Valley, WA

Security System

★ 5.0(16 reviews)

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Access Unlimited and Security, Inc.

Spokane, WA

Security System

★ 5.0(1 review)

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Total Security Inc

Newport, WA

Security System

★ 5.0(285 reviews)

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Security Services - Metro Services Northwest L.L.C.

Spokane, WA

Security System

★ 1.4(9 reviews)

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Policy Security, Surveillance, Alarm & Protective Services

Spokane, WA

Security System

★ 4.4(7 reviews)

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Camtek Inc.

Spokane, WA

Security System

★ 3.9(7 reviews)

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Columbia Protection Security

Spokane, WA

Security System

★ 5.0(37 reviews)

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ADI Global Distribution - Spokane

Spokane, WA

Security System

★ 4.8(12 reviews)

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ADT Security Services

Spokane, WA

Security System

★ 3.1(86 reviews)

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Atlas Patrol

Spokane Valley, WA

Security System

★ 5.0(16 reviews)

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