Top 20 Network Security Companies in Seattle
The Best of April 2026Looking for a top network security firm in Seattle?
Network security is critical for businesses. Protecting sensitive data and preserving trust are top priorities. Network security companies offer services like threat detection, encryption, assessments, and incident response planning. By partnering with these experts, businesses can fortify their defenses and maintain their reputation in the face of evolving cyber threats.
To assist you in your search for a partner, we’ve compiled this list of the top network security service providers in Seattle. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Seattle Network Security Providers
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1$5,000+250 - 999 employeesSeattle, WANet at Work LLC is an IT managed services company. Their midsize team is based in New York, New York; Hialeah, Florida; Totowa, New Jersey and North Attleborough, Massachusetts. The company offers IT managed services and Cybersecurity.Read More
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2$5,000+10 - 49 employeesRenton, WARead More
Pact-One Solutions, LLC, a IT managed services company, is headquartered in Las Vegas, Nevada; San Diego, California; Pasadena, California and Lake Oswego, Oregon. The small team focuses on IT managed services, cybersecurity, IT strategy consulting, other IT consulting and SI, and more and was founded in 2003.
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3Undisclosed10 - 49 employeesTukwila, WAIT managed services company Fuse Networks was founded in 2009. Their small team is located in Tukwila, Washington and offers IT managed services, cloud consulting & SI, unified communications consulting & SI, Cybersecurity, and more.Read More
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4$25,000+10,000+ employeesBellevue, WAPersistent Systems is a data analytics company. Established in 1990, the large agency is headquartered in Pune, India; Santa Clara, California; Paris, France and Lyne, England. Their services include BI & big data consulting & SI, cloud consulting & SI, Cybersecurity, Custom Software Development, and more.Read More
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5Undisclosed2 - 9 employeesSeattle, WAArcTechOne is a Seattle, Washington-based IT managed services company. The agency focuses on IT managed services, Cybersecurity, IT strategy consulting, AI Consulting, and more and is small.The agency was founded in 2022.Read More
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6Undisclosed250 - 999 employeesSeattle, WAFounded in 2007, ExtraHop is a Cybersecurity company. The team offers Cybersecurity and IT strategy consulting.Read More
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7$10,000+250 - 999 employeesBellevue, WAUser experience agency Futurism Technologies was launched in 2002. Their midsize team is headquartered in Piscataway, New Jersey; Melbourne, Australia and Bellevue, Washington and focuses on UX/UI Design, IT strategy consulting, Cybersecurity, IT managed services, and more.Read More
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8Undisclosed50 - 249 employeesSeattle, WALeviathan Security Group, a Cybersecurity company, focuses on Cybersecurity. The firm is headquartered in Seattle, Washington.Read More
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9Undisclosed10 - 49 employeesBremerton, WAHelp Desk Cavalry is a Cybersecurity company. Established in 2013, the company offers Cybersecurity and IT managed services.Read More
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10Undisclosed50 - 249 employeesBellevue, WARight! Systems, Inc. Is a Cybersecurity and IT managed services company founded in 1993. The midsize team offers Cybersecurity and IT managed services.Read More
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11Undisclosed50 - 249 employeesBellevue, WABased in Bellevue, Washington, RedCloud Consulting is a Market Research company. The team specializes in Market Research and Marketing Strategy.Read More
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12Undisclosed10 - 49 employeesSeattle, WACG Tech Services is an IT strategy consulting company founded in 2004. The team focuses on IT strategy consulting and BI & big data consulting & SI and is headquartered in Seattle, Washington.Read More
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13$1,000+10 - 49 employeesKent, WAInTech Consulting, LLC. Is a Cybersecurity company. Launched in 2013, the team provides Cybersecurity and IT managed services.Read More
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14Undisclosed10 - 49 employeesSeattle, WASentry Computing, a Cybersecurity company, was launched in 2008. The small team specializes in Cybersecurity and IT managed services.Read More
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15$250,000+1,000 - 9,999 employeesAuburn, WAZones, LLC is a cloud consulting & SI company. The large Auburn, Washington-based team offers cloud consulting & SI and Cybersecurity. The firm was established in 1986.Read More
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16Undisclosed10 - 49 employeesBellevue, WAIT SOFT, a small software development firm, is based in Bellevue, Washington. The team focuses on Custom Software Development and Web Development.Read More
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17Undisclosed2 - 9 employeesSeattle, WALaunched in 1999, SeattlePro Enterprises is a small Cybersecurity company located in Seattle, Washington. Their team provides Cybersecurity and IT strategy consulting.Read More
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18Undisclosed50 - 249 employeesEverett, WASuccurri is an Everett, Washington-based IT strategy consulting company. Their services include IT strategy consulting and cloud consulting & SI.Read More
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19Undisclosed2 - 9 employeesEverett, WAElliptic Systems Corporation is a Phoenix, Arizona-based Cybersecurity company. They specialize in Cybersecurity and IT managed services.Read More
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20Undisclosed2 - 9 employeesOlympia, WAParagon Networks, a Cybersecurity company, focus on Cybersecurity and BI & big data consulting & SI. They were established in 2018.Read More
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