Company lists · Data refreshed September 2026

Top 25 Cybersecurity IT support companies based in Seattle, United States

Name: Cybersecurity IT support companies based in Seattle, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 62 companies tracked

RevenueBase identified 62 company matches for cybersecurity IT support companies associated with Seattle, United States as of September 2026 and tracks 1,476 professional contacts across them, including 821 with verified work emails. Across the United States, New York is the largest hub for this category (361 companies); Seattle has 62.

This list covers company matches for cybersecurity IT support companies associated with Seattle, United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 21, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 21, 2026 How this list was built

62Companies

1,476Contacts tracked

821Verified emails

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The 25 largest cybersecurity IT support companies based in Seattle, United States

Ranked by team size

Top 25 of 62 company matches for cybersecurity IT support companies based in Seattle, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Watchguard Technologies	Exact match	Seattle, WA, United StatesHQ recorded Sep 21, 2026	1,001-5,000	1,059 contacts →
	Exact match “WatchGuard® Technologies, Inc.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2	Ioactive, INC	Exact match	Seattle, WA, United StatesHQ recorded Sep 21, 2026	51-200	107 contacts →
	Exact match “IOActive is a trusted partner for Global enterprises, providing research-fueled security services across all industries.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3	Dynamic Computing	Exact match	Seattle, WA, United StatesHQ recorded Sep 21, 2026	11-50	24 contacts →
	Exact match “Dynamic Computing helps companies and organizations in Seattle and across the Puget Sound region achieve their goals through technology.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4	Sentry Computing	Exact match	Seattle, WA, United StatesHQ recorded Sep 21, 2026	11-50	22 contacts →
	Exact match “Sentry Computing builds smart IT solutions that keep your day-to-day operations running smoothly.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5	Swat Systems	Exact match	Seattle, WA, United StatesHQ recorded Sep 21, 2026	11-50	20 contacts →
	Exact match “SWAT Systems is now Convergence Networks!” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6	CG Tech Services	Exact match	Seattle, WA, United StatesHQ recorded Sep 21, 2026	1-10	15 contacts →
	Exact match “Need reliable tech solutions that help your business thrive?” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7	Interplay	Exact match	Seattle, WA, United StatesHQ recorded Sep 21, 2026	1-10	15 contacts →
	Exact match “Interplay IT is a trusted, Seattle-based IT partner specializing in Architecture, Engineering, Construction, and Mission-Driven Nonprofits.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8	DPE Systems	Exact match	Seattle, WA, United StatesHQ recorded Sep 21, 2026	11-50	12 contacts →
	Exact match “DPE Systems, Inc.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9	Black Label IT	Exact match	Seattle, WA, United StatesHQ recorded Sep 21, 2026	11-50	10 contacts →
	Exact match “We help our clients unleash the power of their network and stop settling for substandard productivity.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10	Progressive Tech	Exact match	Seattle, WA, United StatesHQ recorded Sep 21, 2026	11-50	8 contacts →
	Exact match “Seattle's Highest Rated Tech Support!” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11	Forge Technology Advisors	Exact match	Seattle, WA, United StatesHQ recorded Sep 21, 2026	11-50	7 contacts →
	Exact match “Forge Technology Advisors provides a customized suite of IT and Telecommunications consulting services-including Cybersecurity, SASE, UCaaS, CCaaS, and Networking-tailored to meet…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12	Logix Consulting	Exact match	Seattle, WA, United StatesHQ recorded Sep 21, 2026	11-50	7 contacts →
	Exact match “Our goal is to provide reliable managed IT services to keep your business networks and computers running smoothly at reasonable prices.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13	Yavar IT Solutions And Services	Exact match	Seattle, WA, United StatesHQ recorded Sep 21, 2026	11-50	7 contacts →
	Exact match “Yavar offers Information Technology (IT) services and support to small–medium sized businesses.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14	Vivid Technical Consulting LLC	Exact match	Seattle, WA, United StatesHQ recorded Sep 21, 2026	1-10	7 contacts →
	Exact match “Vivid Technical Consulting makes cybersecurity compliance achievable for every contractor in the defense industrial base.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15	ZEN Techworks	Exact match	Seattle, WA, United StatesHQ recorded Sep 21, 2026	1-10	6 contacts →
	Exact match “Zen Techworks was founded with the goal to help businesses and individuals get the most out of their information technology.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16	Security Research Group	Exact match	Seattle, WA, United StatesHQ recorded Sep 21, 2026	1-10	5 contacts →
	Exact match “Security Research Group provides military-grade cybersecurity solutions, specializing in threat detection, compliance, incident response, and custom cyber strategies to protect…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17	Digital Seattle, INC	Exact match	Seattle, WA, United StatesHQ recorded Sep 21, 2026	51-200	5 contacts →
	Exact match “Intelligent Technical Solutions is your trusted business partner for all your Cybersecurity, Managed and Co-managed IT support, Risk & Compliance, Data Analytics, and Consulting…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18	Fitted Tech	Exact match	Seattle, WA, United StatesHQ recorded Sep 21, 2026	1-10	4 contacts →
	Exact match “Fitted Tech is a local, family-run technology solutions company based in North Bend, Washington.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19	Vertiance	Exact match	Seattle, United StatesHQ recorded Sep 21, 2026	1-10	4 contacts →
	Exact match “Trusted IT support, strategy, and cybersecurity for small businesses.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20	Right Brain Tech Support	Exact match	Seattle, WA, United StatesHQ recorded Sep 21, 2026	11-50	4 contacts →
	Exact match “Right Brain Tech Support is a Seattle based company aiming to make your life, and job easier.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21	Vcto Secure	Exact match	Seattle, WA, United StatesHQ recorded Sep 21, 2026	1-10	3 contacts →
	Exact match “VCTO Secure empowers clients by Making I.T.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22	PC Therapist	Exact match	Seattle, WA, United StatesHQ recorded Sep 21, 2026	1-10	3 contacts →
	Exact match “PC Therapist is your premiere computer and network specialist providing on-call network administration, managed IT services, and outsourced Chief Technology Officer / Chief…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23	Plantech Solutions, INC	Exact match	Seattle, WA, United StatesHQ recorded Sep 21, 2026	1-10	2 contacts →
	Exact match “PlanTech Solutions is a Seattle based IT company that provides managed services for small to medium sized businesses.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24	atlasta.net	Exact match	Seattle, WA, United StatesHQ recorded Sep 21, 2026	1-10	2 contacts →
	Exact match “Founded in 1996 by John C.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25	Stepfar Technology Group	Exact match	Seattle, WA, United StatesHQ recorded Sep 21, 2026	11-50	1 contacts →
	Exact match “At Stepfar Technology Group, we are dedicated to empowering businesses with cutting-edge technology solutions.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “cybersecurity IT support companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 62 cybersecurity IT support companies based in Seattle, United States

See the full list, filter by size, metro and specialty, and access 821 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Cybersecurity IT support companies based in Seattle, United States at a glance

As of Sep 21, 2026

55.6%Verified-email coverage

23.8Average contacts per company

1-10Median size (employees)

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

1,001-5,000

Email recency for this list is measured across the whole United States list rather than for Seattle, so it is reported there. Company counts and contact totals on this page are exact for Seattle, over 62 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with Seattle, United States whose business descriptions match “cybersecurity IT support companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every displayed company carries at least one verified work email. RevenueBase tracks 821 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 21, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Cybersecurity IT support companies by metro in the United States

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “cybersecurity IT support companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cybersecurity IT support companies are there based in Seattle, United States?

RevenueBase identified 62 company matches for cybersecurity IT support companies associated with Seattle, United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Watchguard Technologies tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most cybersecurity IT support companies?

New York leads the United States with 361 company records, followed by Houston (245) and Miami (187). Seattle has 62.

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 821 professional contacts with verified work emails tracked across these 62 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 21, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.