Company lists · Data refreshed September 2026
Top 25 IT security pr firms worldwide
RevenueBase identified 5,297 company matches for IT security pr firms worldwide as of September 2026 and tracks 59,308 professional contacts across them, including 14,009 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for IT security pr 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 September 28, 2026. Country and city lists for IT security pr 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 IT security pr firms worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 12,771 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 2 | 3,649 contacts → | ||||
Exact match “We are a crowdsourced security company that safeguards organizations' assets from sophisticated threat actors before they can strike-by uniting our customers with trusted hackers…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 3 | 1,920 contacts → | ||||
Exact match “Adfactors PR, founded in 1997, is India's largest Public Relations firm.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 4 | 1,232 contacts → | ||||
Exact match “GuidePoint Security provides trusted cybersecurity expertise, solutions, and services that help organizations make informed decisions and minimize risk.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 5 | 785 contacts → | ||||
Exact match “ASK is now Convergence Networks!” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 6 | 506 contacts → | ||||
Exact match “Founded in 2008, OWN is a Pure Player in cybersecurity, with offices in Paris, Rennes and Toulouse, but with a presence throughout France with its fully remote employees.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 7 | 397 contacts → | ||||
Exact match “5WPR is one of the largest independently owned PR and digital marketing agencies in the US.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 8 | 363 contacts → | ||||
Exact match “eSec Forte® Technologies is a CMMi Level 3 certified Global Consulting and IT Security Services company with offerings across Cloud Security, Cyber Forensics, Malware Detection…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 9 | 344 contacts → | ||||
Exact match “Bishop Fox is recognized as the leading authority in offensive security, providing solutions ranging from continuous penetration testing, red teaming, and attack surface…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 10 | 335 contacts → | ||||
Exact match “T A L A K U N C H I Networks Pvt.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 11 | 269 contacts → | ||||
Exact match “As a leading IT security enterprise, the SITS Group stands for end-to-end security.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 12 | 267 contacts → | ||||
Exact match “Value 360 Communications is India’s first PR Company with a focussed approach for early stage business.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 13 | 215 contacts → | ||||
Exact match “O nosso trabalho é proteger o seu.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 14 | 213 contacts → | ||||
Exact match “Axicom is the Burson agency for tech brands & brands with a tech story.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 15 | 209 contacts → | ||||
Exact match “Somos “The PR PowerHouse”, uma verdadeira potência em PR e todas as suas disciplinas.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 16 | 204 contacts → | ||||
Exact match “MindPoint Group, a Quantum Sky company, is a cybersecurity specialist trusted by U.S.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 17 | 194 contacts → | ||||
Exact match “CENSUS is a cybersecurity engineering powerhouse.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 18 | 192 contacts → | ||||
Exact match “DAGMA Bezpieczeństwo IT to firma z 40-letnim doświadczeniem, specjalizująca się w cyberbezpieczeństwie.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 19 | 186 contacts → | ||||
Exact match “PR Professionals is an innovative PR Agency which understands the importance of relationship building, consumer needs and publicity.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 20 | 176 contacts → | ||||
Exact match “Cyber Advisors is a nationwide leader in cyber security, providing a comprehensive range of Offensive, Defensive, and Risk Management services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 21 | 167 contacts → | ||||
Exact match “ValueMentor is a global information security consulting & services company that delivers real results to global business in maximizing cybersecurity.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 22 | 160 contacts → | ||||
Exact match “Centro de Medicina” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 23 | 156 contacts → | ||||
Exact match “Performanta is a global cybersecurity and data risk management company dedicated to protecting people where data matters most.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 24 | 156 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 · Sep 28, 2026 · View company records in RevenueBase | |||||
| 25 | 151 contacts → | ||||
Exact match “nuHarbor is a U.S-based cybersecurity firm trusted by public sector and critical infrastructure organizations nationwide.” Recorded in the RevenueBase company graph · Sep 28, 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 “IT security pr 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 5,297 IT security pr firms worldwide
See the full list, filter by size, metro and specialty, and access 14,009 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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IT security pr firms worldwide at a glance
As of Sep 28, 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 IT security pr firms are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “IT security pr 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 14,009 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 28, 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.
IT security pr firms by location
42 lists · largest firstEvery IT security pr firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- IT security pr firms based in the United States1,486
- IT security pr firms based in India371
- IT security pr firms based in the United Kingdom337
- IT security pr firms based in Germany182
- IT security pr firms based in Brazil148
- IT security pr firms based in France133
- IT security pr firms based in Canada129
- IT security pr firms based in Australia100
- IT security pr firms based in Israel97
- IT security pr firms based in Spain81
- IT security pr firms based in Italy58
- IT security pr firms based in Mexico56
- IT security pr firms based in the Netherlands53
- IT security pr firms based in the United Arab Emirates52
- IT security pr firms based in Poland51
- IT security pr firms based in South Africa50
- IT security pr firms based in Sweden50
- IT security pr firms based in Türkiye43
- IT security pr firms based in Indonesia38
- IT security pr firms based in Switzerland36
- IT security pr firms based in Czechia32
- IT security pr firms based in Romania30
- IT security pr firms based in Belgium28
- IT security pr firms based in Colombia28
- IT security pr firms based in Argentina26
- IT security pr firms based in Austria25
Cities
- IT security pr firms based in London, United Kingdom117
- IT security pr firms based in New York, United States94
- IT security pr firms based in Sao Paulo, Brazil60
- IT security pr firms based in Paris, France52
- IT security pr firms based in San Francisco, United States50
- IT security pr firms based in Los Angeles, United States45
- IT security pr firms based in Mumbai, India39
- IT security pr firms based in Toronto, Canada37
- IT security pr firms based in Tel Aviv, Israel34
- IT security pr firms based in Washington, United States34
- IT security pr firms based in Austin, United States32
- IT security pr firms based in Dallas, United States30
- IT security pr firms based in New Delhi, India29
- IT security pr firms based in Melbourne, Australia28
- IT security pr firms based in Stockholm, Sweden27
- IT security pr firms based in Chicago, United States26
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 “IT security pr firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many IT security pr firms are there worldwide?
RevenueBase identified 5,297 company matches for IT security pr firms worldwide 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?
Private Sector tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most IT security pr firms?
The United States leads with 1,486 companies, followed by India (371) and the United Kingdom (337). Every IT security pr firms list by country and city is linked on this page.
Which city has the most IT security pr firms?
London leads with 117 company records, followed by New York (94) and Sao Paulo (60).
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 14,009 professional contacts with verified work emails tracked across these 5,297 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 28, 2026.
Ready to reach these companies? Verified emails and direct dials for all 5,297 IT security pr 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 IT security pr 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 5,297 matching company records for IT security pr firms worldwide, with 59,308 tracked contacts and 14,009 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: September 28, 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 IT security pr 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 | Private Sectorlockervault.com HQ: United StatesReported employees: Not recorded | United States | Not recorded | Exact match | 12,771 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 2 |  Bugcrowdbugcrowd.comHQ: San Francisco, CA, United StatesReported employees: Not recorded | San Francisco, CA, United States | Not recorded | Exact match | 3,649 contacts → |
“We are a crowdsourced security company that safeguards organizations' assets from sophisticated threat actors before they can strike-by uniting our customers with trusted hackers…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Adfactors PRadfactorspr.comHQ: Mumbai, IndiaReported employees: 1,001-5,000 | Mumbai, India | 1,001-5,000 | Exact match | 1,920 contacts → |
“Adfactors PR, founded in 1997, is India's largest Public Relations firm.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Guidepoint Securityguidepointsecurity.comHQ: Reston, VA, United StatesReported employees: 1,001-5,000 | Reston, VA, United States | 1,001-5,000 | Exact match | 1,232 contacts → |
“GuidePoint Security provides trusted cybersecurity expertise, solutions, and services that help organizations make informed decisions and minimize risk.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Application Specialist Kompany ASKconvergencenetworks.comHQ: Lansing, MI, United StatesReported employees: Not recorded | Lansing, MI, United States | Not recorded | Exact match | 785 contacts → |
“ASK is now Convergence Networks!” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  own.securityown.securityHQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 506 contacts → |
“Founded in 2008, OWN is a Pure Player in cybersecurity, with offices in Paris, Rennes and Toulouse, but with a presence throughout France with its fully remote employees.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  5wpr5wpr.comHQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 397 contacts → |
“5WPR is one of the largest independently owned PR and digital marketing agencies in the US.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Esec Forte Technologiesesecforte.comHQ: Gurugram, IndiaReported employees: 201-500 | Gurugram, India | 201-500 | Exact match | 363 contacts → |
“eSec Forte® Technologies is a CMMi Level 3 certified Global Consulting and IT Security Services company with offerings across Cloud Security, Cyber Forensics, Malware Detection…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Bishop FOXbishopfox.comHQ: Tempe, AZ, United StatesReported employees: 201-500 | Tempe, AZ, United States | 201-500 | Exact match | 344 contacts → |
“Bishop Fox is recognized as the leading authority in offensive security, providing solutions ranging from continuous penetration testing, red teaming, and attack surface…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Talakunchi Networks PVT LTDtalakunchi.comHQ: Mumbai, IndiaReported employees: 201-500 | Mumbai, India | 201-500 | Exact match | 335 contacts → |
“T A L A K U N C H I Networks Pvt.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Sits Groupsits.comHQ: Wettingen, SwitzerlandReported employees: 501-1,000 | Wettingen, Switzerland | 501-1,000 | Exact match | 269 contacts → |
“As a leading IT security enterprise, the SITS Group stands for end-to-end security.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  V360 Groupvalue360india.comHQ: Okhla, IndiaReported employees: 201-500 | Okhla, India | 201-500 | Exact match | 267 contacts → |
“Value 360 Communications is India’s first PR Company with a focussed approach for early stage business.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Redbelt Securityredbelt.com.brHQ: Sao Paulo, BrazilReported employees: 51-200 | Sao Paulo, Brazil | 51-200 | Exact match | 215 contacts → |
“O nosso trabalho é proteger o seu.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Axicomaxicom.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 213 contacts → |
“Axicom is the Burson agency for tech brands & brands with a tech story.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  CDN Comunicaçãocdn.com.brHQ: São Paulo, BrazilReported employees: 201-500 | São Paulo, Brazil | 201-500 | Exact match | 209 contacts → |
“Somos “The PR PowerHouse”, uma verdadeira potência em PR e todas as suas disciplinas.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Mindpoint Group, A Quantum SKY Companymindpointgroup.comHQ: Reston, VA, United StatesReported employees: 1,001-5,000 | Reston, VA, United States | 1,001-5,000 | Exact match | 204 contacts → |
“MindPoint Group, a Quantum Sky company, is a cybersecurity specialist trusted by U.S.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Censuscensus-labs.comHQ: Athens, GreeceReported employees: 51-200 | Athens, Greece | 51-200 | Exact match | 194 contacts → |
“CENSUS is a cybersecurity engineering powerhouse.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  DAGMAdagma.euHQ: Katowice, PolandReported employees: 201-500 | Katowice, Poland | 201-500 | Exact match | 192 contacts → |
“DAGMA Bezpieczeństwo IT to firma z 40-letnim doświadczeniem, specjalizująca się w cyberbezpieczeństwie.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  PR Professionalsprprofessionals.inHQ: Gurgaon, IndiaReported employees: 201-500 | Gurgaon, India | 201-500 | Exact match | 186 contacts → |
“PR Professionals is an innovative PR Agency which understands the importance of relationship building, consumer needs and publicity.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Cyber Advisorscyberadvisors.comHQ: Maple Grove, MN, United StatesReported employees: 201-500 | Maple Grove, MN, United States | 201-500 | Exact match | 176 contacts → |
“Cyber Advisors is a nationwide leader in cyber security, providing a comprehensive range of Offensive, Defensive, and Risk Management services.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Valuementorvaluementor.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 167 contacts → |
“ValueMentor is a global information security consulting & services company that delivers real results to global business in maximizing cybersecurity.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Rio De Janeiro, BrazilReported employees: 51-200 | Rio De Janeiro, Brazil | 51-200 | Exact match | 160 contacts → |
“Centro de Medicina” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Performantaperformanta.comHQ: Maidenhead, United KingdomReported employees: 51-200 | Maidenhead, United Kingdom | 51-200 | Exact match | 156 contacts → |
“Performanta is a global cybersecurity and data risk management company dedicated to protecting people where data matters most.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Payatupayatu.comHQ: Pune, IndiaReported employees: 51-200 | Pune, India | 51-200 | Exact match | 156 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 · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Nuharbornuharbor.comHQ: Colchester, VT, United StatesReported employees: 51-200 | Colchester, VT, United States | 51-200 | Exact match | 151 contacts → |
“nuHarbor is a U.S-based cybersecurity firm trusted by public sector and critical infrastructure organizations nationwide.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 5,297 company matches
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IT security pr firms: dataset insights
September 28, 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
5,294 records in the displayed employee bands.
3 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 5,297 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: September 28, 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 ↗
IT security pr firms by location
42 lists · largest firstEvery IT security pr firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- IT security pr firms based in the United States1,486
- IT security pr firms based in India371
- IT security pr firms based in the United Kingdom337
- IT security pr firms based in Germany182
- IT security pr firms based in Brazil148
- IT security pr firms based in France133
- IT security pr firms based in Canada129
- IT security pr firms based in Australia100
- IT security pr firms based in Israel97
- IT security pr firms based in Spain81
- IT security pr firms based in Italy58
- IT security pr firms based in Mexico56
- IT security pr firms based in the Netherlands53
- IT security pr firms based in the United Arab Emirates52
- IT security pr firms based in Poland51
- IT security pr firms based in South Africa50
- IT security pr firms based in Sweden50
- IT security pr firms based in Türkiye43
- IT security pr firms based in Indonesia38
- IT security pr firms based in Switzerland36
- IT security pr firms based in Czechia32
- IT security pr firms based in Romania30
- IT security pr firms based in Belgium28
- IT security pr firms based in Colombia28
- IT security pr firms based in Argentina26
- IT security pr firms based in Austria25
Cities
- IT security pr firms based in London, United Kingdom117
- IT security pr firms based in New York, United States94
- IT security pr firms based in Sao Paulo, Brazil60
- IT security pr firms based in Paris, France52
- IT security pr firms based in San Francisco, United States50
- IT security pr firms based in Los Angeles, United States45
- IT security pr firms based in Mumbai, India39
- IT security pr firms based in Toronto, Canada37
- IT security pr firms based in Tel Aviv, Israel34
- IT security pr firms based in Washington, United States34
- IT security pr firms based in Austin, United States32
- IT security pr firms based in Dallas, United States30
- IT security pr firms based in New Delhi, India29
- IT security pr firms based in Melbourne, Australia28
- IT security pr firms based in Stockholm, Sweden27
- IT security pr firms based in Chicago, United States26
Questions about this company list
What does Exact match mean for IT security pr 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 IT security pr firms did RevenueBase find worldwide?
The saved snapshot records 5,297 matching company records, 59,308 tracked contacts and 14,009 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: September 28, 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.
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Cite this list
RevenueBase Data Team. Top 25 IT security pr firms worldwide. Snapshot: September 28, 2026. https://revenuebase.ai/companies/browse/it-security-pr-firms.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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Top 25 IT security pr firms worldwide
RevenueBase records 5,297 matching company records for IT security pr firms worldwide, with 59,308 tracked contacts and 14,009 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: September 28, 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 IT security pr 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 | Private Sectorlockervault.com HQ: United StatesReported employees: Not recorded | United States | Not recorded | Exact match | 12,771 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 2 | Bugcrowdbugcrowd.com HQ: San Francisco, CA, United StatesReported employees: Not recorded | San Francisco, CA, United States | Not recorded | Exact match | 3,649 contacts → |
“We are a crowdsourced security company that safeguards organizations' assets from sophisticated threat actors before they can strike-by uniting our customers with trusted hackers…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Adfactors PRadfactorspr.com HQ: Mumbai, IndiaReported employees: 1,001-5,000 | Mumbai, India | 1,001-5,000 | Exact match | 1,920 contacts → |
“Adfactors PR, founded in 1997, is India's largest Public Relations firm.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Guidepoint Securityguidepointsecurity.com HQ: Reston, VA, United StatesReported employees: 1,001-5,000 | Reston, VA, United States | 1,001-5,000 | Exact match | 1,232 contacts → |
“GuidePoint Security provides trusted cybersecurity expertise, solutions, and services that help organizations make informed decisions and minimize risk.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Application Specialist Kompany ASKconvergencenetworks.com HQ: Lansing, MI, United StatesReported employees: Not recorded | Lansing, MI, United States | Not recorded | Exact match | 785 contacts → |
“ASK is now Convergence Networks!” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | own.securityown.security HQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 506 contacts → |
“Founded in 2008, OWN is a Pure Player in cybersecurity, with offices in Paris, Rennes and Toulouse, but with a presence throughout France with its fully remote employees.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 5wpr5wpr.com HQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 397 contacts → |
“5WPR is one of the largest independently owned PR and digital marketing agencies in the US.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Esec Forte Technologiesesecforte.com HQ: Gurugram, IndiaReported employees: 201-500 | Gurugram, India | 201-500 | Exact match | 363 contacts → |
“eSec Forte® Technologies is a CMMi Level 3 certified Global Consulting and IT Security Services company with offerings across Cloud Security, Cyber Forensics, Malware Detection…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Bishop FOXbishopfox.com HQ: Tempe, AZ, United StatesReported employees: 201-500 | Tempe, AZ, United States | 201-500 | Exact match | 344 contacts → |
“Bishop Fox is recognized as the leading authority in offensive security, providing solutions ranging from continuous penetration testing, red teaming, and attack surface…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Talakunchi Networks PVT LTDtalakunchi.com HQ: Mumbai, IndiaReported employees: 201-500 | Mumbai, India | 201-500 | Exact match | 335 contacts → |
“T A L A K U N C H I Networks Pvt.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Sits Groupsits.com HQ: Wettingen, SwitzerlandReported employees: 501-1,000 | Wettingen, Switzerland | 501-1,000 | Exact match | 269 contacts → |
“As a leading IT security enterprise, the SITS Group stands for end-to-end security.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | V360 Groupvalue360india.com HQ: Okhla, IndiaReported employees: 201-500 | Okhla, India | 201-500 | Exact match | 267 contacts → |
“Value 360 Communications is India’s first PR Company with a focussed approach for early stage business.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Redbelt Securityredbelt.com.br HQ: Sao Paulo, BrazilReported employees: 51-200 | Sao Paulo, Brazil | 51-200 | Exact match | 215 contacts → |
“O nosso trabalho é proteger o seu.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Axicomaxicom.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 213 contacts → |
“Axicom is the Burson agency for tech brands & brands with a tech story.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | CDN Comunicaçãocdn.com.br HQ: São Paulo, BrazilReported employees: 201-500 | São Paulo, Brazil | 201-500 | Exact match | 209 contacts → |
“Somos “The PR PowerHouse”, uma verdadeira potência em PR e todas as suas disciplinas.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Mindpoint Group, A Quantum SKY Companymindpointgroup.com HQ: Reston, VA, United StatesReported employees: 1,001-5,000 | Reston, VA, United States | 1,001-5,000 | Exact match | 204 contacts → |
“MindPoint Group, a Quantum Sky company, is a cybersecurity specialist trusted by U.S.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Censuscensus-labs.com HQ: Athens, GreeceReported employees: 51-200 | Athens, Greece | 51-200 | Exact match | 194 contacts → |
“CENSUS is a cybersecurity engineering powerhouse.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | DAGMAdagma.eu HQ: Katowice, PolandReported employees: 201-500 | Katowice, Poland | 201-500 | Exact match | 192 contacts → |
“DAGMA Bezpieczeństwo IT to firma z 40-letnim doświadczeniem, specjalizująca się w cyberbezpieczeństwie.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | PR Professionalsprprofessionals.in HQ: Gurgaon, IndiaReported employees: 201-500 | Gurgaon, India | 201-500 | Exact match | 186 contacts → |
“PR Professionals is an innovative PR Agency which understands the importance of relationship building, consumer needs and publicity.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Cyber Advisorscyberadvisors.com HQ: Maple Grove, MN, United StatesReported employees: 201-500 | Maple Grove, MN, United States | 201-500 | Exact match | 176 contacts → |
“Cyber Advisors is a nationwide leader in cyber security, providing a comprehensive range of Offensive, Defensive, and Risk Management services.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Valuementorvaluementor.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 167 contacts → |
“ValueMentor is a global information security consulting & services company that delivers real results to global business in maximizing cybersecurity.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Rio De Janeiro, BrazilReported employees: 51-200 | Rio De Janeiro, Brazil | 51-200 | Exact match | 160 contacts → |
“Centro de Medicina” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Performantaperformanta.com HQ: Maidenhead, United KingdomReported employees: 51-200 | Maidenhead, United Kingdom | 51-200 | Exact match | 156 contacts → |
“Performanta is a global cybersecurity and data risk management company dedicated to protecting people where data matters most.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Payatupayatu.com HQ: Pune, IndiaReported employees: 51-200 | Pune, India | 51-200 | Exact match | 156 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 · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Nuharbornuharbor.com HQ: Colchester, VT, United StatesReported employees: 51-200 | Colchester, VT, United States | 51-200 | Exact match | 151 contacts → |
“nuHarbor is a U.S-based cybersecurity firm trusted by public sector and critical infrastructure organizations nationwide.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 5,297 company matches
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IT security pr firms: dataset insights
September 28, 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
5,294 records in the displayed employee bands.
3 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 5,297 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: September 28, 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 ↗
IT security pr firms by location
42 lists · largest firstEvery IT security pr firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- IT security pr firms based in the United States1,486
- IT security pr firms based in India371
- IT security pr firms based in the United Kingdom337
- IT security pr firms based in Germany182
- IT security pr firms based in Brazil148
- IT security pr firms based in France133
- IT security pr firms based in Canada129
- IT security pr firms based in Australia100
- IT security pr firms based in Israel97
- IT security pr firms based in Spain81
- IT security pr firms based in Italy58
- IT security pr firms based in Mexico56
- IT security pr firms based in the Netherlands53
- IT security pr firms based in the United Arab Emirates52
- IT security pr firms based in Poland51
- IT security pr firms based in South Africa50
- IT security pr firms based in Sweden50
- IT security pr firms based in Türkiye43
- IT security pr firms based in Indonesia38
- IT security pr firms based in Switzerland36
- IT security pr firms based in Czechia32
- IT security pr firms based in Romania30
- IT security pr firms based in Belgium28
- IT security pr firms based in Colombia28
- IT security pr firms based in Argentina26
- IT security pr firms based in Austria25
Cities
- IT security pr firms based in London, United Kingdom117
- IT security pr firms based in New York, United States94
- IT security pr firms based in Sao Paulo, Brazil60
- IT security pr firms based in Paris, France52
- IT security pr firms based in San Francisco, United States50
- IT security pr firms based in Los Angeles, United States45
- IT security pr firms based in Mumbai, India39
- IT security pr firms based in Toronto, Canada37
- IT security pr firms based in Tel Aviv, Israel34
- IT security pr firms based in Washington, United States34
- IT security pr firms based in Austin, United States32
- IT security pr firms based in Dallas, United States30
- IT security pr firms based in New Delhi, India29
- IT security pr firms based in Melbourne, Australia28
- IT security pr firms based in Stockholm, Sweden27
- IT security pr firms based in Chicago, United States26
Questions about this company list
What does Exact match mean for IT security pr 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 IT security pr firms did RevenueBase find worldwide?
The saved snapshot records 5,297 matching company records, 59,308 tracked contacts and 14,009 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: September 28, 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 IT security pr firms worldwide. Snapshot: September 28, 2026. https://revenuebase.ai/companies/browse/it-security-pr-firms.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗