Each and every member of our staff is subjected to a thorough background check and rigorous (and ongoing) training in security and protection measures.


We are determined to provide the best security services for you, from start to finish.

image of capital security logo


We will design a plan specific to your security needs. 

Security Guard Services in Seattle

"To become the premier security guard service provider in Seattle, WA. We believe we are at the top through our hard work, determination, and a commitment to satisfy each and every customer." 

At Capital Security, our highest priority is the safety and security of your business. We work with you to build a security plan that works for you and fits your specific needs in order to provide you with the highest sense of safety and peace of mind. 

Capital Security is one of the top trusted security companies in all of Seattle. Give us today at (206) 356 - 4055 today to talk to a professional security guard service


Let us help you weigh your options. Our free quotes can be done via email, phone, or a scheduled visit by one of our trained professionals.

Shell gas station logo

Capital Security guard


City Of Seattle Logo
Mt. Baker Housing logo

Premier Security Company in Seattle Washington

Port of Seattle logo
Sound Transit logo

want a quote? 

Serv Pro logo
Amazon Logo


companies that believe in us

Rain City Catering logo

rain city catering

"We use Capital Security for all of our on-site catering events,they're great! They're a pleasure to work with, and have always gone the extra mile to make us feel appreciated as a client. Highly recommended."

Kenneth Rogers-

Rain City Catering

PCL Construction Logo


We are confident that we can handle your event security needs, no matter how big or small.


As a security company, we are here for you and your business 24/7 365 days out of the year. 


Seattle Yacht Club logo