Company lists · Data refreshed September 2026
Top 25 Security architecture consulting firms based in Austin, United States
RevenueBase identified 85 security architecture consulting firms headquartered in Austin, United States as of September 2026 and tracks 611 professional contacts across them, including 250 with verified work emails. New York is the largest hub.
This list covers security architecture consulting firms headquartered in Austin, 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, how directly it supports the match, and when it was last checked. Data refreshed September 6, 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.
The 25 largest security architecture consulting firms based in Austin, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 167 | ||||
“11:11 Systems is a managed infrastructure solutions provider that empowers customers to modernize, protect, and manage mission-critical applications and data, leveraging 11:11’s…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 2 | 119 | ||||
“Edgile was founded in 2001 to deliver strategic cybersecurity and risk management services to the Fortune 500.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 3 | LRG Inc.- A Veteran Owned CompanyIndirect evidence | 31 | |||
“Providing true independent consultation for your product needs.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 4 | 28 | ||||
“We live in a world where security is what we all strive for but struggle to find.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 5 | 13 | ||||
“THE trusted partner for state and local governments in combating cyber threats Our journey began with Splunk and evolved to meet our clients' diverse needs, leading us to…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 6 | 9 | ||||
“Enterprise Engineering Solutions, Inc.(EES) is a top-ranked consultancy firm in the USA, providing industry-proven solutions to streamline IT environments.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 7 | Esco Security ConsultingStrong evidence | 8 | |||
“ESCO is an Austin, TX, based consulting firm formed in 2002 by public safety and event security professionals completing their assignment on the Salt Lake City Winter Olympic…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 8 | 7 | ||||
“Transforming the World of Cyber Security by Innovation and Simplifying the implementation using DevSecOps." In today’s fast -paced world, keeping business and IT systems up to…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 9 | Secure Bearing LLCPartial evidence | 6 | |||
“Secure Bearing is a globally recognized provider of white-glove professional services that deliver business outcomes with an unwavering commitment to security.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 10 | 6 | ||||
“Aspiryon is a provider of Information Technology and Physical Security Solutions, that sets a standard of excellence for the clients that we serve.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 11 | 6 | ||||
“Framework Security is an award-winning cybersecurity firm specializing in penetration testing, AI governance, virtual CISO services, SOC 2 compliance, and full-spectrum security…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 12 | 5 | ||||
“Fidelis Networks is a cybersecurity consulting and enterprise training firm that helps organizations reduce risk, modernize secure infrastructure, and build capable internal teams.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 13 | 5 | ||||
“Gardient provides managed services, systems integration and consulting.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 14 | Star Administrators, INCIndirect evidence | 5 | |||
Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 15 | 4 | ||||
“With our heritage rooted in identity engineering teams at SailPoint, Waveset, and Sun Microsystems, we are uniquely qualified to provide an unparalleled level of expert consulting…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 16 | 4 | ||||
“HOPZERO uses a patented, next-gen network security solution to protect enterprise data.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 17 | 3 | ||||
“Data Defense Partners is your strategic ally in securing today’s digital enterprise.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 18 | 3 | ||||
“Fidelis Risk Advisory helps navigate the leadership challenges and complexity around building and managing information security programs.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 19 | 3 | ||||
“We're a specialty consulting firm that provides information security, data privacy, IT, cyber security assurance and trust expertise.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 20 | 2 | ||||
“American Information Security Group-AISG-is an information security Security-as-a-Service [SaaS] professional services firm founded in Austin, Texas.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 21 | 2 | ||||
“Virtual CSO focuses on the needs of our clients.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 22 | 2 | ||||
“zibernetics is a consultancy that helps companies wanting to improve their security operations.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 23 | 1 | ||||
“The Lindemann Group LLC - Executive Security Solutions Welcome to The Lindemann Group LLC, where we redefine executive security with a commitment to discretion, vigilance, and…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 24 | Kaerus Consulting LLCPartial evidence | 1 | |||
“We provide CFIUS, DCSA, and Team Telecom mitigation experts for Security Director, Outside Director, Proxy Holder, Voting Trustee, Divestment Trustee, Security Officer, Third…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 25 | Mathan Cyber Security, LLCPartial evidence | 1 | |||
“Mathan Cyber Security provides fractional CISO leadership and security advisory services for defense contractors navigating CMMC certification and healthcare organizations…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
Showing 25 of 85 security architecture consulting firms based in Austin, United States
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Security architecture consulting firms based in Austin, United States at a glance
As of Sep 6, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than this city, so it is reported there. Company counts and contact totals on this page are exact for Austin, over 85 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 security architecture consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and evidence 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 SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Austin, United States whose own description of what they do matches “security architecture consulting firms”. Matching reads each company's description, not its industry code or its name.
- What we exclude
- Companies whose own description does not clearly place them among security architecture consulting firms, and records with no verified work email. Companies headquartered outside Austin 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 an evidence 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, 250 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 6, 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.
Security architecture consulting firms by metro in the United States
- Security architecture consulting firms in New York144
- Security architecture consulting firms in Washington111
- Security architecture consulting firms in Atlanta107
- Security architecture consulting firms in Houston93
- Security architecture consulting firms in Austin85
- Security architecture consulting firms in Dallas82
- Security architecture consulting firms in Chicago70
- Security architecture consulting firms in Los Angeles66
- Security architecture consulting firms in Miami65
- Security architecture consulting firms in San Francisco63
- Security architecture consulting firms in Tampa62
- Security architecture consulting firms in San Diego59
- Security architecture consulting firms in Arlington55
- Security architecture consulting firms in Alexandria49
- Security architecture consulting firms in Denver49
- Security architecture consulting firms in Seattle45
- Security architecture consulting firms in Boston43
- Security architecture consulting firms in Charlotte42
- Security architecture consulting firms in Columbia42
- Security architecture consulting firms in Phoenix38
- Security architecture consulting firms in San Antonio38
- Security architecture consulting firms in Ashburn34
- Security architecture consulting firms in Reston33
- Security architecture consulting firms in Mclean31
- Security architecture consulting firms in Minneapolis30
- Security architecture consulting firms in Orlando30
- Security architecture consulting firms in Baltimore29
- Security architecture consulting firms in Las Vegas28
- Security architecture consulting firms in Raleigh28
- Security architecture consulting firms in Huntsville26
- Security architecture consulting firms in Columbus25
- Security architecture consulting firms in Plano25
- Security architecture consulting firms in San Jose25
- Security architecture consulting firms in Sheridan25
Frequently asked
How many security architecture consulting firms are there based in Austin, United States?
RevenueBase identified 85 security architecture consulting firms headquartered in Austin, 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?
Ntirety, headquartered in Austin, tops this list with the largest team on record.
Which city has the most security architecture consulting firms?
New York leads with 144 headquartered companies, followed by Washington (111) and Atlanta (107).
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 250 verified decision-maker contacts tracked across these 85 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 6, 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.
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