Company lists · Data refreshed September 2026
Top 25 Infosec pr firms worldwide
RevenueBase identified 5,057 company matches for infosec pr firms worldwide as of September 2026 and tracks 47,013 professional contacts across them, including 16,889 with verified work emails. The United States is the largest market and New York the largest hub.
This list covers company matches for infosec 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 infosec 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 infosec pr firms worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 | |||||
| 2 | 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 | |||||
| 3 | 785 contacts → | ||||
Exact match “ASK is now Convergence Networks!” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 4 | 586 contacts → | ||||
Exact match “Advens is a European, independent and outstanding leader in cybersecurity.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 5 | 543 contacts → | ||||
Exact match “Prosek Partners builds – and protects – the top brands in business.” 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 | 502 contacts → | ||||
Exact match “SecurityHQ, a global cybersecurity company pioneering Security Performance Engineering for stronger operational performance and resilience.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 8 | 484 contacts → | ||||
Exact match “At ProTechmanize, we’re committed to making cybersecurity simpler, stronger, and more future ready for the organizations we serve.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 9 | 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 | |||||
| 10 | 349 contacts → | ||||
Exact match “DKC is a full service public relations, marketing and government affairs firm and part of the Acceleration Community of Companies, Based in New York City, and with offices in Los…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 11 | 348 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 12 | 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 | |||||
| 13 | 315 contacts → | ||||
Exact match “NVISO is a cyber security services firm composed of outstanding security professionals - each has a specific field of expertise, ranging from security research and risk management…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 14 | 302 contacts → | ||||
Exact match “Built to operate with the speed and intensity of a political campaign, BerlinRosen takes a 360-degree approach to communications, activating audiences and elevating story above…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 15 | 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 | |||||
| 16 | 257 contacts → | ||||
Exact match “Hotwire Global is the preeminent tech PR, communications, and marketing consultancy.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 17 | 255 contacts → | ||||
Exact match “NATIONAL Public Relations provides creative communications solutions that move people in thought and actions.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 18 | 249 contacts → | ||||
Exact match “Sygnia is a cyber technology and services company, providing high-end consulting and incident response support for organizations worldwide.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 19 | 224 contacts → | ||||
Exact match “We’re an award-winning, founder-led, communications agency based in London, Minneapolis, New York and San Francisco with an extensive global capability.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 20 | 220 contacts → | ||||
Exact match “For over 20 years, leading companies in Telecom, Cybersecurity, Healthcare, Banking, New Media, and more have come to rely on Loginsoft as a trusted resource for technology talent.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 21 | 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 | |||||
| 22 | 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 | |||||
| 23 | 213 contacts → | ||||
Exact match “Harvard is an award-winning integrated Marketing and PR agency for tech brands big and small, with a full-service offering including: media and analyst relations, marketing…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 24 | 210 contacts → | ||||
Exact match “An integrated communications agency, Kaizzen, has won the top spot as one of the fastest growing PR Agency globally for the last 4 years, as per the PRovoke Global PR Agency…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 25 | 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 | |||||
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 “infosec 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 5,057 infosec pr firms worldwide
See the full list, filter by size, metro and specialty, and access 16,889 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Infosec 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 infosec pr firms are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “infosec 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 16,889 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.
Infosec pr firms by location
39 lists · largest firstEvery Infosec pr firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Infosec pr firms based in the United States1,797
- Infosec pr firms based in the United Kingdom311
- Infosec pr firms based in India269
- Infosec pr firms based in France136
- Infosec pr firms based in Canada134
- Infosec pr firms based in Brazil126
- Infosec pr firms based in Australia111
- Infosec pr firms based in Germany95
- Infosec pr firms based in Israel93
- Infosec pr firms based in Spain79
- Infosec pr firms based in Italy52
- Infosec pr firms based in Mexico48
- Infosec pr firms based in the Netherlands47
- Infosec pr firms based in Switzerland39
- Infosec pr firms based in Poland37
- Infosec pr firms based in Indonesia35
- Infosec pr firms based in South Africa35
- Infosec pr firms based in Colombia31
- Infosec pr firms based in Chile30
- Infosec pr firms based in Belgium27
- Infosec pr firms based in Türkiye27
- Infosec pr firms based in Czechia25
Cities
- Infosec pr firms based in New York, United States130
- Infosec pr firms based in London, United Kingdom120
- Infosec pr firms based in Washington, United States69
- Infosec pr firms based in Paris, France62
- Infosec pr firms based in San Francisco, United States57
- Infosec pr firms based in Sao Paulo, Brazil56
- Infosec pr firms based in Los Angeles, United States51
- Infosec pr firms based in Chicago, United States40
- Infosec pr firms based in Tel Aviv, Israel39
- Infosec pr firms based in Toronto, Canada39
- Infosec pr firms based in Atlanta, United States38
- Infosec pr firms based in Austin, United States38
- Infosec pr firms based in Dallas, United States35
- Infosec pr firms based in Mumbai, India30
- Infosec pr firms based in Sydney, Australia27
- Infosec pr firms based in Boston, United States26
- Infosec pr firms based in Miami, 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 “infosec pr firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many infosec pr firms are there worldwide?
RevenueBase identified 5,057 company matches for infosec 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?
Adfactors PR tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most infosec pr firms?
The United States leads with 1,797 companies, followed by the United Kingdom (311) and India (269). Every infosec pr firms list by country and city is linked on this page.
Which city has the most infosec pr firms?
New York leads with 130 company records, followed by London (121) and Washington (69).
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 16,889 professional contacts with verified work emails tracked across these 5,057 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 5,057 infosec 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 infosec 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 5,057 matching company records for infosec pr firms worldwide, with 47,013 tracked contacts and 16,889 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 infosec 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 |  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. | |||||
| 2 |  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. | |||||
| 3 |  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. | |||||
| 4 |  Advensadvens.comHQ: Paris, ItalyReported employees: 501-1,000 | Paris, Italy | 501-1,000 | Exact match | 586 contacts → |
“Advens is a European, independent and outstanding leader in cybersecurity.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Prosek Partnersprosek.comHQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 543 contacts → |
“Prosek Partners builds – and protects – the top brands in business.” 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 |  Securityhqsecurityhq.comHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 502 contacts → |
“SecurityHQ, a global cybersecurity company pioneering Security Performance Engineering for stronger operational performance and resilience.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Protechmanizeprotechmanize.comHQ: Thane, IndiaReported employees: 501-1,000 | Thane, India | 501-1,000 | Exact match | 484 contacts → |
“At ProTechmanize, we’re committed to making cybersecurity simpler, stronger, and more future ready for the organizations we serve.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  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. | |||||
| 10 |  DKCdkcnews.comHQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 349 contacts → |
“DKC is a full service public relations, marketing and government affairs firm and part of the Acceleration Community of Companies, Based in New York City, and with offices in Los…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  SK Shieldusskshieldus.comHQ: 경기도, South KoreaReported employees: 5,001-10,000 | 경기도, South Korea | 5,001-10,000 | Exact match | 348 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 12 |  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. | |||||
| 13 |  Nviso Securitynviso.euHQ: Brussels, BelgiumReported employees: 201-500 | Brussels, Belgium | 201-500 | Exact match | 315 contacts → |
“NVISO is a cyber security services firm composed of outstanding security professionals - each has a specific field of expertise, ranging from security research and risk management…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Berlinrosen, An Orchestra Companyberlinrosen.comHQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 302 contacts → |
“Built to operate with the speed and intensity of a political campaign, BerlinRosen takes a 360-degree approach to communications, activating audiences and elevating story above…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  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. | |||||
| 16 |  Hotwirehotwireglobal.comHQ: San Francisco, CA, United StatesReported employees: 201-500 | San Francisco, CA, United States | 201-500 | Exact match | 257 contacts → |
“Hotwire Global is the preeminent tech PR, communications, and marketing consultancy.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  National Public Relationsnational.caHQ: Montreal, QC, CanadaReported employees: 201-500 | Montreal, QC, Canada | 201-500 | Exact match | 255 contacts → |
“NATIONAL Public Relations provides creative communications solutions that move people in thought and actions.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Sygniasygnia.coHQ: Tel Aviv, IsraelReported employees: 201-500 | Tel Aviv, Israel | 201-500 | Exact match | 249 contacts → |
“Sygnia is a cyber technology and services company, providing high-end consulting and incident response support for organizations worldwide.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Brands2lifebrands2life.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 224 contacts → |
“We’re an award-winning, founder-led, communications agency based in London, Minneapolis, New York and San Francisco with an extensive global capability.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Loginsoftloginsoft.comHQ: Chantilly, VA, United StatesReported employees: 201-500 | Chantilly, VA, United States | 201-500 | Exact match | 220 contacts → |
“For over 20 years, leading companies in Telecom, Cybersecurity, Healthcare, Banking, New Media, and more have come to rely on Loginsoft as a trusted resource for technology talent.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  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. | |||||
| 22 |  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. | |||||
| 23 | Harvardharvard.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 213 contacts → |
“Harvard is an award-winning integrated Marketing and PR agency for tech brands big and small, with a full-service offering including: media and analyst relations, marketing…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Kaizzenkaizzencomm.comHQ: Delhi, IndiaReported employees: 51-200 | Delhi, India | 51-200 | Exact match | 210 contacts → |
“An integrated communications agency, Kaizzen, has won the top spot as one of the fastest growing PR Agency globally for the last 4 years, as per the PRovoke Global PR Agency…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  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. | |||||
Showing 25 of 5,057 company matches
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Infosec 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
5,050 records in the displayed employee bands.
7 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 5,057 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 ↗
Infosec pr firms by location
39 lists · largest firstEvery Infosec pr firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Infosec pr firms based in the United States1,797
- Infosec pr firms based in the United Kingdom311
- Infosec pr firms based in India269
- Infosec pr firms based in France136
- Infosec pr firms based in Canada134
- Infosec pr firms based in Brazil126
- Infosec pr firms based in Australia111
- Infosec pr firms based in Germany95
- Infosec pr firms based in Israel93
- Infosec pr firms based in Spain79
- Infosec pr firms based in Italy52
- Infosec pr firms based in Mexico48
- Infosec pr firms based in the Netherlands47
- Infosec pr firms based in Switzerland39
- Infosec pr firms based in Poland37
- Infosec pr firms based in Indonesia35
- Infosec pr firms based in South Africa35
- Infosec pr firms based in Colombia31
- Infosec pr firms based in Chile30
- Infosec pr firms based in Belgium27
- Infosec pr firms based in Türkiye27
- Infosec pr firms based in Czechia25
Cities
- Infosec pr firms based in New York, United States130
- Infosec pr firms based in London, United Kingdom120
- Infosec pr firms based in Washington, United States69
- Infosec pr firms based in Paris, France62
- Infosec pr firms based in San Francisco, United States57
- Infosec pr firms based in Sao Paulo, Brazil56
- Infosec pr firms based in Los Angeles, United States51
- Infosec pr firms based in Chicago, United States40
- Infosec pr firms based in Tel Aviv, Israel39
- Infosec pr firms based in Toronto, Canada39
- Infosec pr firms based in Atlanta, United States38
- Infosec pr firms based in Austin, United States38
- Infosec pr firms based in Dallas, United States35
- Infosec pr firms based in Mumbai, India30
- Infosec pr firms based in Sydney, Australia27
- Infosec pr firms based in Boston, United States26
- Infosec pr firms based in Miami, United States26
Questions about this company list
What does Exact match mean for infosec 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 infosec pr firms did RevenueBase find worldwide?
The saved snapshot records 5,057 matching company records, 47,013 tracked contacts and 16,889 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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RevenueBase Data Team. Top 25 infosec pr firms worldwide. Snapshot: September 28, 2026. https://revenuebase.ai/companies/browse/infosec-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 infosec pr firms worldwide
RevenueBase records 5,057 matching company records for infosec pr firms worldwide, with 47,013 tracked contacts and 16,889 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 infosec 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 | 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. | |||||
| 2 | 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. | |||||
| 3 | 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. | |||||
| 4 | Advensadvens.com HQ: Paris, ItalyReported employees: 501-1,000 | Paris, Italy | 501-1,000 | Exact match | 586 contacts → |
“Advens is a European, independent and outstanding leader in cybersecurity.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Prosek Partnersprosek.com HQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 543 contacts → |
“Prosek Partners builds – and protects – the top brands in business.” 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 | Securityhqsecurityhq.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 502 contacts → |
“SecurityHQ, a global cybersecurity company pioneering Security Performance Engineering for stronger operational performance and resilience.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Protechmanizeprotechmanize.com HQ: Thane, IndiaReported employees: 501-1,000 | Thane, India | 501-1,000 | Exact match | 484 contacts → |
“At ProTechmanize, we’re committed to making cybersecurity simpler, stronger, and more future ready for the organizations we serve.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | 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. | |||||
| 10 | DKCdkcnews.com HQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 349 contacts → |
“DKC is a full service public relations, marketing and government affairs firm and part of the Acceleration Community of Companies, Based in New York City, and with offices in Los…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | SK Shieldusskshieldus.com HQ: 경기도, South KoreaReported employees: 5,001-10,000 | 경기도, South Korea | 5,001-10,000 | Exact match | 348 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 12 | 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. | |||||
| 13 | Nviso Securitynviso.eu HQ: Brussels, BelgiumReported employees: 201-500 | Brussels, Belgium | 201-500 | Exact match | 315 contacts → |
“NVISO is a cyber security services firm composed of outstanding security professionals - each has a specific field of expertise, ranging from security research and risk management…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Berlinrosen, An Orchestra Companyberlinrosen.com HQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 302 contacts → |
“Built to operate with the speed and intensity of a political campaign, BerlinRosen takes a 360-degree approach to communications, activating audiences and elevating story above…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | 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. | |||||
| 16 | Hotwirehotwireglobal.com HQ: San Francisco, CA, United StatesReported employees: 201-500 | San Francisco, CA, United States | 201-500 | Exact match | 257 contacts → |
“Hotwire Global is the preeminent tech PR, communications, and marketing consultancy.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | National Public Relationsnational.ca HQ: Montreal, QC, CanadaReported employees: 201-500 | Montreal, QC, Canada | 201-500 | Exact match | 255 contacts → |
“NATIONAL Public Relations provides creative communications solutions that move people in thought and actions.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Sygniasygnia.co HQ: Tel Aviv, IsraelReported employees: 201-500 | Tel Aviv, Israel | 201-500 | Exact match | 249 contacts → |
“Sygnia is a cyber technology and services company, providing high-end consulting and incident response support for organizations worldwide.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Brands2lifebrands2life.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 224 contacts → |
“We’re an award-winning, founder-led, communications agency based in London, Minneapolis, New York and San Francisco with an extensive global capability.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Loginsoftloginsoft.com HQ: Chantilly, VA, United StatesReported employees: 201-500 | Chantilly, VA, United States | 201-500 | Exact match | 220 contacts → |
“For over 20 years, leading companies in Telecom, Cybersecurity, Healthcare, Banking, New Media, and more have come to rely on Loginsoft as a trusted resource for technology talent.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | 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. | |||||
| 22 | 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. | |||||
| 23 | Harvardharvard.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 213 contacts → |
“Harvard is an award-winning integrated Marketing and PR agency for tech brands big and small, with a full-service offering including: media and analyst relations, marketing…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Kaizzenkaizzencomm.com HQ: Delhi, IndiaReported employees: 51-200 | Delhi, India | 51-200 | Exact match | 210 contacts → |
“An integrated communications agency, Kaizzen, has won the top spot as one of the fastest growing PR Agency globally for the last 4 years, as per the PRovoke Global PR Agency…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | 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. | |||||
Showing 25 of 5,057 company matches
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Infosec 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
5,050 records in the displayed employee bands.
7 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 5,057 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 ↗
Infosec pr firms by location
39 lists · largest firstEvery Infosec pr firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Infosec pr firms based in the United States1,797
- Infosec pr firms based in the United Kingdom311
- Infosec pr firms based in India269
- Infosec pr firms based in France136
- Infosec pr firms based in Canada134
- Infosec pr firms based in Brazil126
- Infosec pr firms based in Australia111
- Infosec pr firms based in Germany95
- Infosec pr firms based in Israel93
- Infosec pr firms based in Spain79
- Infosec pr firms based in Italy52
- Infosec pr firms based in Mexico48
- Infosec pr firms based in the Netherlands47
- Infosec pr firms based in Switzerland39
- Infosec pr firms based in Poland37
- Infosec pr firms based in Indonesia35
- Infosec pr firms based in South Africa35
- Infosec pr firms based in Colombia31
- Infosec pr firms based in Chile30
- Infosec pr firms based in Belgium27
- Infosec pr firms based in Türkiye27
- Infosec pr firms based in Czechia25
Cities
- Infosec pr firms based in New York, United States130
- Infosec pr firms based in London, United Kingdom120
- Infosec pr firms based in Washington, United States69
- Infosec pr firms based in Paris, France62
- Infosec pr firms based in San Francisco, United States57
- Infosec pr firms based in Sao Paulo, Brazil56
- Infosec pr firms based in Los Angeles, United States51
- Infosec pr firms based in Chicago, United States40
- Infosec pr firms based in Tel Aviv, Israel39
- Infosec pr firms based in Toronto, Canada39
- Infosec pr firms based in Atlanta, United States38
- Infosec pr firms based in Austin, United States38
- Infosec pr firms based in Dallas, United States35
- Infosec pr firms based in Mumbai, India30
- Infosec pr firms based in Sydney, Australia27
- Infosec pr firms based in Boston, United States26
- Infosec pr firms based in Miami, United States26
Questions about this company list
What does Exact match mean for infosec 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 infosec pr firms did RevenueBase find worldwide?
The saved snapshot records 5,057 matching company records, 47,013 tracked contacts and 16,889 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.
Related lists
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 infosec pr firms worldwide. Snapshot: September 28, 2026. https://revenuebase.ai/companies/browse/infosec-pr-firms.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗