Company lists · Data refreshed September 2026
Top 25 Cybersecurity services firms based in Los Angeles, United States
RevenueBase identified 74 cybersecurity services firms headquartered in Los Angeles, United States as of September 2026 and tracks 889 professional contacts across them, including 99 with verified work emails. New York is the largest hub.
This list covers cybersecurity services firms headquartered in Los Angeles, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 14, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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.
The 25 largest cybersecurity services firms based in Los Angeles, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 581 contacts → | ||||
Strong evidence “NIC has been providing IT Solutions, Cybersecurity, and Cloud Services for businesses and organizations for the past two decades.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 2 | 43 contacts → | ||||
Indirect evidence “Combining robust human and AI powered cyber security measures with efficient IT management, our business delivers comprehensive solutions.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 3 | 36 contacts → | ||||
Strong evidence “CyberDuo offers a comprehensive suite of Microsoft Cloud and Cybersecurity services.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 4 | 24 contacts → | ||||
Indirect evidence “Divoro is a provider of Cyber Security and Technology services to software and technology-enabled organizations.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 5 | 17 contacts → | ||||
Strong evidence “At Netready, we help Southern California businesses take control of their IT and Cybersecurity, from infrastructure and cloud systems to monitoring, compliance, and prevention.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 6 | 10 contacts → | ||||
Indirect evidence “Developers need 4–6 months to patch a vulnerability.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 7 | 6 contacts → | ||||
Strong evidence “At Xcape, Inc.®, we are a team of cybersecurity professionals specializing in building, connecting, supporting, and securing mission-critical infrastructure.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 8 | 5 contacts → | ||||
Indirect evidence “Mission: Treat People Well.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 9 | 5 contacts → | ||||
Indirect evidence “Discloze is a CREST-accredited offensive security firm based in the United States.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 10 | 5 contacts → | ||||
Strong evidence “DotWave Solutions is a cybersecurity consulting firm founded by award-winning professor, Dr.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 11 | 3 contacts → | ||||
Indirect evidence “IntLös is a Privacy-focused Information Security Managed Service Provider (MSP), with over 15 years of experience providing simply elegant services tailored to exceed our client's…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 12 | 3 contacts → | ||||
Strong evidence “At Generative Strategies, we empower organizations to navigate the complex landscape of IT risk and cybersecurity with confidence and precision.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 13 | 3 contacts → | ||||
Indirect evidence “CMMC L2 Consultation, Implementation, Gap Analysis, and Mock Assessment services.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 14 | 3 contacts → | ||||
Strong evidence “HackForce.AI is at the forefront of cybersecurity innovation, providing cutting-edge, AI-driven solutions to protect your digital assets.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 15 | 3 contacts → | ||||
Strong evidence “IT CloudLink LLC is a managed IT service and security provider specializing in cloud computing, cybersecurity and artificial intelligence solutions.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 16 | 2 contacts → | ||||
Indirect evidence “RedTorch, Inc (RT) is poised to take over this market segment as at its core are decades of Cyber security technology research and development, cyber intelligence collection and…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 17 | 2 contacts → | ||||
Indirect evidence “Q4 Technologies: Your Virtual Security Organization (VSO) Q4 Technologies, a Virtual Security Organization (VSO).” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 18 | 2 contacts → | ||||
Strong evidence “Qubric Security is a cybersecurity consulting firm that helps organizations protect what they value most.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 19 | 2 contacts → | ||||
Indirect evidence “We are here to offer our customers the best IT Services and Security solutions that help keep their businesses operational and cost effective.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 20 | 2 contacts → | ||||
Indirect evidence “US Armor Group’s Executive Team’s background include former Elite Military Special Operation and Law Enforcement Special Unit members, giving us the ability to address the threats…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 21 | 2 contacts → | ||||
Indirect evidence “Digital Security Consulting offers information security consulting services to help our clients avoid costly breaches of security that often result in financial losses, a loss of…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 22 | 2 contacts → | ||||
Indirect evidence “At My Remote Tech, we deliver secure, scalable, and intelligent IT solutions tailored to the needs of modern organizations.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 23 | 2 contacts → | ||||
Indirect evidence “cFAIR Technologies is built for one purpose: solving complex technical problems with discipline, speed, and real-world execution.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 24 | 2 contacts → | ||||
Indirect evidence “We are a leading provider of advanced technology solutions that secure the vital assets of the world’s largest enterprises.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 25 | 1 contacts → | ||||
Indirect evidence “Most mid-market companies don't need a full-time CISO.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: cybersecurity services firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names cybersecurity services firms.
- Partial evidence
- Its own public description names part of cybersecurity services firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name cybersecurity services firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 74 cybersecurity services firms based in Los Angeles, United States
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Cybersecurity services firms based in Los Angeles, United States at a glance
As of Sep 14, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for Los Angeles, so it is reported there. Company counts and contact totals on this page are exact for Los Angeles, over 74 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among cybersecurity services firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Los Angeles, United States whose own description of what they do matches “cybersecurity services firms”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names cybersecurity services firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among cybersecurity services firms, and records with no verified work email. Companies headquartered outside Los Angeles are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 99 across the full list. 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 14, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Cybersecurity services firms by metro in the United States
- Cybersecurity services firms in New York257
- Cybersecurity services firms in Washington154
- Cybersecurity services firms in Austin153
- Cybersecurity services firms in Houston145
- Cybersecurity services firms in Atlanta139
- Cybersecurity services firms in Miami127
- Cybersecurity services firms in Dallas123
- Cybersecurity services firms in Chicago120
- Cybersecurity services firms in Tampa111
- Cybersecurity services firms in San Francisco109
- Cybersecurity services firms in Arlington81
- Cybersecurity services firms in San Diego77
- Cybersecurity services firms in Los Angeles74
- Cybersecurity services firms in Denver73
- Cybersecurity services firms in Columbia70
- Cybersecurity services firms in Charlotte68
- Cybersecurity services firms in Reston68
- Cybersecurity services firms in San Antonio64
- Cybersecurity services firms in Las Vegas62
- Cybersecurity services firms in Boston61
- Cybersecurity services firms in Orlando61
- Cybersecurity services firms in Alexandria57
- Cybersecurity services firms in Phoenix57
- Cybersecurity services firms in Seattle56
- Cybersecurity services firms in Huntsville48
- Cybersecurity services firms in Mclean48
- Cybersecurity services firms in Baltimore46
- Cybersecurity services firms in Fairfax43
- Cybersecurity services firms in Colorado Springs40
- Cybersecurity services firms in Sheridan40
- Cybersecurity services firms in Wilmington40
- Cybersecurity services firms in Portland39
- Cybersecurity services firms in Raleigh39
- Cybersecurity services firms in Ashburn38
- Cybersecurity services firms in Irvine34
- Cybersecurity services firms in Minneapolis34
- Cybersecurity services firms in Plano34
- Cybersecurity services firms in Fort Lauderdale33
- Cybersecurity services firms in San Jose33
- Cybersecurity services firms in Scottsdale33
- Cybersecurity services firms in Herndon32
- Cybersecurity services firms in Pittsburgh32
- Cybersecurity services firms in Nashville31
- Cybersecurity services firms in Dover30
- Cybersecurity services firms in Columbus29
- Cybersecurity services firms in Richmond29
- Cybersecurity services firms in Philadelphia28
- Cybersecurity services firms in Vienna28
- Cybersecurity services firms in Alpharetta27
- Cybersecurity services firms in Leesburg27
- Cybersecurity services firms in Indianapolis25
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names cybersecurity services firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many cybersecurity services firms are there based in Los Angeles, United States?
RevenueBase identified 74 cybersecurity services firms headquartered in Los Angeles, United States as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
NIC, headquartered in Los Angeles, tops this list with the largest team on record.
Which city has the most cybersecurity services firms?
New York leads with 257 headquartered companies, followed by Washington (154) and Austin (153).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 99 verified decision-maker contacts tracked across these 74 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 14, 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 Smart Search, 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.
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