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Northwestern Protective Service is a Seattle based security company, with guards throughout Washington State. We offer armed and unarmed security officers to residential and commercial clients. Our experience guides us as we supply thousands of hours of security services throughout the Northwest.

The preferred provider of security guard services!

Northwestern Protective has been providing Seattle-Bellevue-Tacoma and Spokane area businesses with the highest level of security services in theregion. We provide our clients with locally recruited, trained, and dispatched security guards.

We are dedicated to being the preferred local provider of security services and amongst the best security companies in Seattle.

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our Services

armed & unarmed


Residential security services

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Keep your community safe with our security guards.

Construction security services


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No construction site should be without security services.


Make sure your business and employees are protected.