Company lists · Data refreshed November 2026
Top 25 Web3 security firms worldwide
RevenueBase identified 1,592 company matches for web3 security firms worldwide as of November 2026 and tracks 12,992 professional contacts across them, including 2,833 with verified work emails. The United States is the largest market and Dubai the largest hub.
This list covers company matches for web3 security firms worldwide, 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 November 5, 2026. Country and city lists for web3 security firms follow the table.
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 web3 security firms worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 693 contacts → | ||||
Exact match “The Synack Red Team is a private freelance security research team that spans 6 continents and over 80 countries.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 2 | 245 contacts → | ||||
Exact match “NRIITNRI NRI SecureTechnologies is a global service provider of next-generation Managed Security Services, cutting-edge Blockchain Security Solutions, and Consulting Services with…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 3 | 205 contacts → | ||||
Exact match “CertiK is the largest Web3 security services provider, founded in December 2017 in New York by two professors from Yale and Columbia University.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 4 | 160 contacts → | ||||
Exact match “Code4rena is the leading smart contract security marketplace, run by a 25-person team operating remotely.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 5 | 158 contacts → | ||||
Exact match “At Payatu we believe in following one’s passion and with that thought, we have created a world class team of researchers and executors who are bending the rules to provide state…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 6 | 153 contacts → | ||||
Exact match “Hacken is an end-to-end blockchain security and compliance partner for digital assets.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 7 | 151 contacts → | ||||
Exact match “Blockaid is the onchain security platform trusted by chains, protocols, wallets, exchanges, banks, and digital asset managers to understand and secure what matters most.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 8 | 149 contacts → | ||||
Exact match “BRICKSTEEL ENTERPRISES INFO TECH PVT LTD (BSEtec) is an inspiration from its parent company BRICKSTEEL ENTERPRISES, the veterans in the building construction industry for the last…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 9 | 146 contacts → | ||||
Exact match “SecureLayer7 is a CREST accredited advanced offensive security solutions provider, combining deep expertise with innovative products to protect modern digital enterprises.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 10 | 140 contacts → | ||||
Exact match “OpenZeppelin is the security standard onchain finance is built on.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 11 | 130 contacts → | ||||
Exact match “Since launching in 2015, Gnosis has evolved from a prediction market platform into a comprehensive Web3 infrastructure provider.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 12 | 129 contacts → | ||||
Exact match “Immunefi is the leading onchain crowdsourced security platform, working with ground-breaking protocols such as Chainlink, Ethereum Foundation, Optimism, Arbitrum, and many more.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 13 | 126 contacts → | ||||
Exact match “Ioweb3 Technologies consulting services is a leading software development company focused on fulfilling our mission to deliver exceptional customer experiences and bring value to…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 14 | 118 contacts → | ||||
Exact match “Securium Solutions Private Limited is a CERT-In Empanelled cybersecurity company helping organizations secure their digital infrastructure against evolving cyber threats.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 15 | 115 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 16 | 109 contacts → | ||||
Exact match “Quicknode simplifies blockchain for teams big and small.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 17 | 109 contacts → | ||||
Exact match “HackenProof is an expert bug bounty and crowdsourced security marketplace helping companies find, validate, and fix vulnerabilities before exploitation.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 18 | 109 contacts → | ||||
Exact match “We are a Philippine-based IT Security Services provider, currently working with Banking and Financial Institutions, Healthcare, Telecommunications, Real Estate, and Manufacturing…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 19 | 102 contacts → | ||||
Exact match “DirectDefense provides enterprise risk assessments, penetration testing, ICS/SCADA security services, and 24/7 managed security services for companies of all sizes.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 20 | 102 contacts → | ||||
Exact match “Headquartered in Boston, Massachusetts, VIA is a mission-critical software company that enables organizations to share and analyze sensitive data at speed without compromising…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 21 | 99 contacts → | ||||
Exact match “Bastion Security combines the skills, expertise and leadership from Quantum Security, ZX Security, Helix Security, Cassini and now Cythera.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 22 | 98 contacts → | ||||
Exact match “Hypernative detects and neutralizes Web3 threats in real time.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 23 | 94 contacts → | ||||
Exact match “Founded by a group of hackers in 2013, Stockholm-based Detectify is an application security platform trusted by over 2,100 organizations globally, from high-growth startups to the…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 24 | 94 contacts → | ||||
Exact match “Sherlock secures the systems powering the onchain economy.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 25 | 92 contacts → | ||||
Exact match “Founded in 2022, Varmeta is a leading technology company based in Vietnam, specializing in Blockchain, AI, and Product Development.” Recorded in the RevenueBase company graph · Nov 5, 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 “web3 security firms”. 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 1,592 web3 security firms worldwide
See the full list, filter by size, metro and specialty, and access 2,833 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Web3 security firms worldwide at a glance
As of Nov 5, 2026Companies by employee count
Email recency is reported on each country list linked below.
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.
- Coverage
- Every country. Country and city lists for web3 security firms are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “web3 security firms” 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. 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 2,833 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 November 5, 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.
Web3 security firms by location
12 lists · largest firstEvery Web3 security firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Web3 security firms based in the United States272
- Web3 security firms based in India211
- Web3 security firms based in the United Kingdom73
- Web3 security firms based in the United Arab Emirates53
- Web3 security firms based in France46
- Web3 security firms based in Italy29
- Web3 security firms based in Brazil28
- Web3 security firms based in Singapore28
- Web3 security firms based in Australia27
Cities
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 “web3 security firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many web3 security firms are there worldwide?
RevenueBase identified 1,592 company matches for web3 security firms worldwide as of November 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?
Synack RED Team tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most web3 security firms?
The United States leads with 272 companies, followed by India (211) and the United Kingdom (73). Every web3 security firms list by country and city is linked on this page.
Which city has the most web3 security firms?
Dubai leads with 40 company records, followed by London (40) and Paris (27).
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 2,833 professional contacts with verified work emails tracked across these 1,592 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 November 5, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,592 web3 security firms worldwide. Start with a free account, no credit card.
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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.
More company lists
Company intelligence · public preview
Top 25 web3 security firms worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,592 matching company records for web3 security firms worldwide, with 12,992 tracked contacts and 2,833 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 5, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 web3 security firms worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Synack RED Teamsynack.comHQ: Austin, TX, United StatesReported employees: Not recorded | Austin, TX, United States | Not recorded | Exact match | 693 contacts → |
“The Synack Red Team is a private freelance security research team that spans 6 continents and over 80 countries.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Nriセキュアテクノロジーズ株式会社 NRI Securetechnologies, LTDnri-secure.co.jpHQ: 千代田区, CA, JapanReported employees: 501-1,000 | 千代田区, CA, Japan | 501-1,000 | Exact match | 245 contacts → |
“NRIITNRI NRI SecureTechnologies is a global service provider of next-generation Managed Security Services, cutting-edge Blockchain Security Solutions, and Consulting Services with…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Certikcertik.comHQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 205 contacts → |
“CertiK is the largest Web3 security services provider, founded in December 2017 in New York by two professors from Yale and Columbia University.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Code4renacode4rena.comHQ: United StatesReported employees: Not recorded | United States | Not recorded | Exact match | 160 contacts → |
“Code4rena is the leading smart contract security marketplace, run by a 25-person team operating remotely.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Payatupayatu.comHQ: Pune, IndiaReported employees: 51-200 | Pune, India | 51-200 | Exact match | 158 contacts → |
“At Payatu we believe in following one’s passion and with that thought, we have created a world class team of researchers and executors who are bending the rules to provide state…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Hacken, Blockchain Security & Compliancehackenio.ccHQ: Tallinn City, EstoniaReported employees: 51-200 | Tallinn City, Estonia | 51-200 | Exact match | 153 contacts → |
“Hacken is an end-to-end blockchain security and compliance partner for digital assets.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Blockaidblockaid.ioHQ: New York, United StatesReported employees: 51-200 | New York, United States | 51-200 | Exact match | 151 contacts → |
“Blockaid is the onchain security platform trusted by chains, protocols, wallets, exchanges, banks, and digital asset managers to understand and secure what matters most.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Bsetecbsetec.comHQ: Bangalore, IndiaReported employees: 51-200 | Bangalore, India | 51-200 | Exact match | 149 contacts → |
“BRICKSTEEL ENTERPRISES INFO TECH PVT LTD (BSEtec) is an inspiration from its parent company BRICKSTEEL ENTERPRISES, the veterans in the building construction industry for the last…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Securelayer7securelayer7.netHQ: Pune, NY, IndiaReported employees: 51-200 | Pune, NY, India | 51-200 | Exact match | 146 contacts → |
“SecureLayer7 is a CREST accredited advanced offensive security solutions provider, combining deep expertise with innovative products to protect modern digital enterprises.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Openzeppelinopenzeppelin.comHQ: United StatesReported employees: 51-200 | United States | 51-200 | Exact match | 140 contacts → |
“OpenZeppelin is the security standard onchain finance is built on.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Gnosisgnosis.ioHQ: Berlin, GibraltarReported employees: 51-200 | Berlin, Gibraltar | 51-200 | Exact match | 130 contacts → |
“Since launching in 2015, Gnosis has evolved from a prediction market platform into a comprehensive Web3 infrastructure provider.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Immunefiimmunefi.comHQ: United StatesReported employees: 11-50 | United States | 11-50 | Exact match | 129 contacts → |
“Immunefi is the leading onchain crowdsourced security platform, working with ground-breaking protocols such as Chainlink, Ethereum Foundation, Optimism, Arbitrum, and many more.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Ioweb3 Technologiesioweb3.ioHQ: Pune, IndiaReported employees: 201-500 | Pune, India | 201-500 | Exact match | 126 contacts → |
“Ioweb3 Technologies consulting services is a leading software development company focused on fulfilling our mission to deliver exceptional customer experiences and bring value to…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Securium Solutions Private Limitedsecuriumsolutions.comHQ: Noida, IndiaReported employees: 11-50 | Noida, India | 11-50 | Exact match | 118 contacts → |
“Securium Solutions Private Limited is a CERT-In Empanelled cybersecurity company helping organizations secure their digital infrastructure against evolving cyber threats.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Ioactive, INCioactive.comHQ: Seattle, United StatesReported employees: 51-200 | Seattle, United States | 51-200 | Exact match | 115 contacts → |
“IOActive is a trusted partner for Global enterprises, providing research-fueled security services across all industries.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Quicknodequicknode.comHQ: Miami, United StatesReported employees: 51-200 | Miami, United States | 51-200 | Exact match | 109 contacts → |
“Quicknode simplifies blockchain for teams big and small.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Hackenproofhackenproof.comHQ: Tallinn, EstoniaReported employees: 51-200 | Tallinn, Estonia | 51-200 | Exact match | 109 contacts → |
“HackenProof is an expert bug bounty and crowdsourced security marketplace helping companies find, validate, and fix vulnerabilities before exploitation.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  RED Rock IT Security INCredrocksecurity.ioHQ: Makati City, PhilippinesReported employees: 51-200 | Makati City, Philippines | 51-200 | Exact match | 109 contacts → |
“We are a Philippine-based IT Security Services provider, currently working with Banking and Financial Institutions, Healthcare, Telecommunications, Real Estate, and Manufacturing…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Directdefensedirectdefense.comHQ: Denver, CO, United StatesReported employees: 51-200 | Denver, CO, United States | 51-200 | Exact match | 102 contacts → |
“DirectDefense provides enterprise risk assessments, penetration testing, ICS/SCADA security services, and 24/7 managed security services for companies of all sizes.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  VIAsolvewithvia.comHQ: Somerville, United StatesReported employees: 51-200 | Somerville, United States | 51-200 | Exact match | 102 contacts → |
“Headquartered in Boston, Massachusetts, VIA is a mission-critical software company that enables organizations to share and analyze sensitive data at speed without compromising…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Bastion Security Groupbastionsecurity.co.nzHQ: Wellington, New ZealandReported employees: 51-200 | Wellington, New Zealand | 51-200 | Exact match | 99 contacts → |
“Bastion Security combines the skills, expertise and leadership from Quantum Security, ZX Security, Helix Security, Cassini and now Cythera.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Hypernativehypernative.ioHQ: Herzeliya, IsraelReported employees: 51-200 | Herzeliya, Israel | 51-200 | Exact match | 98 contacts → |
“Hypernative detects and neutralizes Web3 threats in real time.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Detectifydetectify.comHQ: Stockholm, SwedenReported employees: 51-200 | Stockholm, Sweden | 51-200 | Exact match | 94 contacts → |
“Founded by a group of hackers in 2013, Stockholm-based Detectify is an application security platform trusted by over 2,100 organizations globally, from high-growth startups to the…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Sherlocksherlock.xyzHQ: New York, United StatesReported employees: 11-50 | New York, United States | 11-50 | Exact match | 94 contacts → |
“Sherlock secures the systems powering the onchain economy.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Varmetavar-meta.comHQ: Hanoi, VietnamReported employees: 51-200 | Hanoi, Vietnam | 51-200 | Exact match | 92 contacts → |
“Founded in 2022, Varmeta is a leading technology company based in Vietnam, specializing in Blockchain, AI, and Product Development.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,592 company matches
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Web3 security firms: dataset insights
November 5, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,591 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 1,592 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 5, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Web3 security firms by location
12 lists · largest firstEvery Web3 security firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Web3 security firms based in the United States272
- Web3 security firms based in India211
- Web3 security firms based in the United Kingdom73
- Web3 security firms based in the United Arab Emirates53
- Web3 security firms based in France46
- Web3 security firms based in Italy29
- Web3 security firms based in Brazil28
- Web3 security firms based in Singapore28
- Web3 security firms based in Australia27
Cities
Questions about this company list
What does Exact match mean for web3 security firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many web3 security firms did RevenueBase find worldwide?
The saved snapshot records 1,592 matching company records, 12,992 tracked contacts and 2,833 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 5, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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Cite this list
RevenueBase Data Team. Top 25 web3 security firms worldwide. Snapshot: November 5, 2026. https://revenuebase.ai/companies/browse/web3-security-firms.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 web3 security firms worldwide
RevenueBase records 1,592 matching company records for web3 security firms worldwide, with 12,992 tracked contacts and 2,833 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 5, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 web3 security firms worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Synack RED Teamsynack.com HQ: Austin, TX, United StatesReported employees: Not recorded | Austin, TX, United States | Not recorded | Exact match | 693 contacts → |
“The Synack Red Team is a private freelance security research team that spans 6 continents and over 80 countries.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Nriセキュアテクノロジーズ株式会社 NRI Securetechnologies, LTDnri-secure.co.jp HQ: 千代田区, CA, JapanReported employees: 501-1,000 | 千代田区, CA, Japan | 501-1,000 | Exact match | 245 contacts → |
“NRIITNRI NRI SecureTechnologies is a global service provider of next-generation Managed Security Services, cutting-edge Blockchain Security Solutions, and Consulting Services with…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Certikcertik.com HQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 205 contacts → |
“CertiK is the largest Web3 security services provider, founded in December 2017 in New York by two professors from Yale and Columbia University.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Code4renacode4rena.com HQ: United StatesReported employees: Not recorded | United States | Not recorded | Exact match | 160 contacts → |
“Code4rena is the leading smart contract security marketplace, run by a 25-person team operating remotely.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Payatupayatu.com HQ: Pune, IndiaReported employees: 51-200 | Pune, India | 51-200 | Exact match | 158 contacts → |
“At Payatu we believe in following one’s passion and with that thought, we have created a world class team of researchers and executors who are bending the rules to provide state…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Hacken, Blockchain Security & Compliancehackenio.cc HQ: Tallinn City, EstoniaReported employees: 51-200 | Tallinn City, Estonia | 51-200 | Exact match | 153 contacts → |
“Hacken is an end-to-end blockchain security and compliance partner for digital assets.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Blockaidblockaid.io HQ: New York, United StatesReported employees: 51-200 | New York, United States | 51-200 | Exact match | 151 contacts → |
“Blockaid is the onchain security platform trusted by chains, protocols, wallets, exchanges, banks, and digital asset managers to understand and secure what matters most.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Bsetecbsetec.com HQ: Bangalore, IndiaReported employees: 51-200 | Bangalore, India | 51-200 | Exact match | 149 contacts → |
“BRICKSTEEL ENTERPRISES INFO TECH PVT LTD (BSEtec) is an inspiration from its parent company BRICKSTEEL ENTERPRISES, the veterans in the building construction industry for the last…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Securelayer7securelayer7.net HQ: Pune, NY, IndiaReported employees: 51-200 | Pune, NY, India | 51-200 | Exact match | 146 contacts → |
“SecureLayer7 is a CREST accredited advanced offensive security solutions provider, combining deep expertise with innovative products to protect modern digital enterprises.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Openzeppelinopenzeppelin.com HQ: United StatesReported employees: 51-200 | United States | 51-200 | Exact match | 140 contacts → |
“OpenZeppelin is the security standard onchain finance is built on.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Gnosisgnosis.io HQ: Berlin, GibraltarReported employees: 51-200 | Berlin, Gibraltar | 51-200 | Exact match | 130 contacts → |
“Since launching in 2015, Gnosis has evolved from a prediction market platform into a comprehensive Web3 infrastructure provider.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Immunefiimmunefi.com HQ: United StatesReported employees: 11-50 | United States | 11-50 | Exact match | 129 contacts → |
“Immunefi is the leading onchain crowdsourced security platform, working with ground-breaking protocols such as Chainlink, Ethereum Foundation, Optimism, Arbitrum, and many more.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Ioweb3 Technologiesioweb3.io HQ: Pune, IndiaReported employees: 201-500 | Pune, India | 201-500 | Exact match | 126 contacts → |
“Ioweb3 Technologies consulting services is a leading software development company focused on fulfilling our mission to deliver exceptional customer experiences and bring value to…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Securium Solutions Private Limitedsecuriumsolutions.com HQ: Noida, IndiaReported employees: 11-50 | Noida, India | 11-50 | Exact match | 118 contacts → |
“Securium Solutions Private Limited is a CERT-In Empanelled cybersecurity company helping organizations secure their digital infrastructure against evolving cyber threats.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Ioactive, INCioactive.com HQ: Seattle, United StatesReported employees: 51-200 | Seattle, United States | 51-200 | Exact match | 115 contacts → |
“IOActive is a trusted partner for Global enterprises, providing research-fueled security services across all industries.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Quicknodequicknode.com HQ: Miami, United StatesReported employees: 51-200 | Miami, United States | 51-200 | Exact match | 109 contacts → |
“Quicknode simplifies blockchain for teams big and small.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Hackenproofhackenproof.com HQ: Tallinn, EstoniaReported employees: 51-200 | Tallinn, Estonia | 51-200 | Exact match | 109 contacts → |
“HackenProof is an expert bug bounty and crowdsourced security marketplace helping companies find, validate, and fix vulnerabilities before exploitation.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | RED Rock IT Security INCredrocksecurity.io HQ: Makati City, PhilippinesReported employees: 51-200 | Makati City, Philippines | 51-200 | Exact match | 109 contacts → |
“We are a Philippine-based IT Security Services provider, currently working with Banking and Financial Institutions, Healthcare, Telecommunications, Real Estate, and Manufacturing…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Directdefensedirectdefense.com HQ: Denver, CO, United StatesReported employees: 51-200 | Denver, CO, United States | 51-200 | Exact match | 102 contacts → |
“DirectDefense provides enterprise risk assessments, penetration testing, ICS/SCADA security services, and 24/7 managed security services for companies of all sizes.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | VIAsolvewithvia.com HQ: Somerville, United StatesReported employees: 51-200 | Somerville, United States | 51-200 | Exact match | 102 contacts → |
“Headquartered in Boston, Massachusetts, VIA is a mission-critical software company that enables organizations to share and analyze sensitive data at speed without compromising…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Bastion Security Groupbastionsecurity.co.nz HQ: Wellington, New ZealandReported employees: 51-200 | Wellington, New Zealand | 51-200 | Exact match | 99 contacts → |
“Bastion Security combines the skills, expertise and leadership from Quantum Security, ZX Security, Helix Security, Cassini and now Cythera.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Hypernativehypernative.io HQ: Herzeliya, IsraelReported employees: 51-200 | Herzeliya, Israel | 51-200 | Exact match | 98 contacts → |
“Hypernative detects and neutralizes Web3 threats in real time.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Detectifydetectify.com HQ: Stockholm, SwedenReported employees: 51-200 | Stockholm, Sweden | 51-200 | Exact match | 94 contacts → |
“Founded by a group of hackers in 2013, Stockholm-based Detectify is an application security platform trusted by over 2,100 organizations globally, from high-growth startups to the…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Sherlocksherlock.xyz HQ: New York, United StatesReported employees: 11-50 | New York, United States | 11-50 | Exact match | 94 contacts → |
“Sherlock secures the systems powering the onchain economy.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Varmetavar-meta.com HQ: Hanoi, VietnamReported employees: 51-200 | Hanoi, Vietnam | 51-200 | Exact match | 92 contacts → |
“Founded in 2022, Varmeta is a leading technology company based in Vietnam, specializing in Blockchain, AI, and Product Development.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Web3 security firms: dataset insights
November 5, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,591 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 1,592 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 5, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Web3 security firms by location
12 lists · largest firstEvery Web3 security firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Web3 security firms based in the United States272
- Web3 security firms based in India211
- Web3 security firms based in the United Kingdom73
- Web3 security firms based in the United Arab Emirates53
- Web3 security firms based in France46
- Web3 security firms based in Italy29
- Web3 security firms based in Brazil28
- Web3 security firms based in Singapore28
- Web3 security firms based in Australia27
Cities
Questions about this company list
What does Exact match mean for web3 security firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many web3 security firms did RevenueBase find worldwide?
The saved snapshot records 1,592 matching company records, 12,992 tracked contacts and 2,833 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 5, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
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Cite this list
RevenueBase Data Team. Top 25 web3 security firms worldwide. Snapshot: November 5, 2026. https://revenuebase.ai/companies/browse/web3-security-firms.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗