Company lists · Data refreshed September 2026

Top 25 Cybersecurity public relations agencies worldwide

Name: Cybersecurity public relations agencies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 6,844 companies tracked

RevenueBase identified 6,844 company matches for cybersecurity public relations agencies worldwide as of September 2026 and tracks 63,455 professional contacts across them, including 20,331 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for cybersecurity public relations agencies 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 cybersecurity public relations agencies 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 28, 2026 How this list was built

6,844Companies

63,455Contacts tracked

20,331Verified emails

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The 25 largest cybersecurity public relations agencies worldwide

Ranked by team size

Top 25 of 6,844 company matches for cybersecurity public relations agencies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Adfactors PR	Exact match	Mumbai, IndiaHQ recorded Sep 28, 2026	1,001-5,000	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	Guidepoint Security	Exact match	Reston, VA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	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	Trustwave, A Levelblue Company	Exact match	Chicago, IL, United StatesHQ recorded Sep 28, 2026	501-1,000	874 contacts →
	Exact match “Trustwave, a LevelBlue Company, is a globally recognized cybersecurity leader that reduces cyber risk and fortifies organizations against disruptive and damaging cyber threats.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Application Specialist Kompany ASK	Exact match	Lansing, MI, United StatesHQ recorded Sep 28, 2026	n/a	785 contacts →
	Exact match “ASK is now Convergence Networks!” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Everfox	Exact match	Herndon, United StatesHQ recorded Sep 28, 2026	1,001-5,000	636 contacts →
	Exact match “Everfox delivers trusted connectivity to protect the world's most critical environments, safeguarding the sensitive information behind decision advantage.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Advens	Exact match	Paris, ItalyHQ recorded Sep 28, 2026	501-1,000	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
7	Ultraviolet Cyber	Exact match	Mclean, VA, United StatesHQ recorded Sep 28, 2026	501-1,000	523 contacts →
	Exact match “UltraViolet Cyber is the only security operations partner that unifies red, blue, and purple team capabilities into one integrated program, finding what's vulnerable, stopping…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	own.security	Exact match	Paris, FranceHQ recorded Sep 28, 2026	51-200	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
9	Securityhq	Exact match	London, United KingdomHQ recorded Sep 28, 2026	501-1,000	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
10	Neosecure By SEK	Exact match	Retiro, ArgentinaHQ recorded Sep 28, 2026	501-1,000	414 contacts →
	Exact match “Con más de 20 años de experiencia, 750 colaboradores y una base de más de 650 clientes en la región, operamos en los mercados de Brasil, Chile, Argentina, Colombia y Perú, donde…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	5wpr	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	201-500	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
12	PT Itsec Asia TBK	Exact match	Jakarta, IndonesiaHQ recorded Sep 28, 2026	201-500	388 contacts →
	Exact match “ITSEC Asia is a leading cybersecurity company in Indonesia, listed on the Indonesian Stock Exchange (“CYBR”), with over 400 employees across five countries.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	S-Rm	Exact match	London, United KingdomHQ recorded Sep 28, 2026	201-500	351 contacts →
	Exact match “S-RM is a global intelligence and cyber security consultancy.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	SK Shieldus	Exact match	경기도, South KoreaHQ recorded Sep 28, 2026	5,001-10,000	348 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Truesec	Exact match	SwedenHQ recorded Sep 28, 2026	201-500	332 contacts →
	Exact match “Prevent Breach & Minimize Impact” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	bi.zone	Exact match	Moscow, RussiaHQ recorded Sep 28, 2026	1,001-5,000	328 contacts →
	Exact match “BI.ZONE is an expert in digital risks management that helps organizations develop their businesses safely in cyberspace.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Security Risk Advisors	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 28, 2026	201-500	315 contacts →
	Exact match “We deliver cybersecurity consulting, 24x7 operations and SaaS to leading companies in the Financial Services, Healthcare, Pharmaceuticals, Technology and Retail industries.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Ebryx Pvt. LTD	Exact match	Lahore, PakistanHQ recorded Sep 28, 2026	201-500	300 contacts →
	Exact match “With over a decade of experience in providing cybersecurity consulting, Managed Security Service Provider (MSSP) operations, and custom engineering services, Ebryx serves multiple…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Neverhack Italy	Exact match	Roma, ItalyHQ recorded Sep 28, 2026	1,001-5,000	292 contacts →
	Exact match “NEVERHACK is a French group specialized in cybersecurity for over 40 years.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Secureyes	Exact match	Bangalore, IndiaHQ recorded Sep 28, 2026	201-500	270 contacts →
	Exact match “SecurEyes is a global cybersecurity specialist firm offering advisory plus consulting services and reg-tech products solving for cybersecurity challenges so that business leaders…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	V360 Group	Exact match	Okhla, IndiaHQ recorded Sep 28, 2026	201-500	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
22	Lumifi	Exact match	Scottsdale, AZ, United StatesHQ recorded Sep 28, 2026	51-200	249 contacts →
	Exact match “Lumifi Cyber helps organizations illuminate their cyber defense with continuous protection across the full security lifecycle.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Sygnia	Exact match	Tel Aviv, IsraelHQ recorded Sep 28, 2026	201-500	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
24	Fox-It	Exact match	Rijswijk, NetherlandsHQ recorded Sep 28, 2026	201-500	233 contacts →
	Exact match “Fox-IT prevents, solves and mitigates the most serious cyber threats with innovative solutions for government, defense, law enforcement, critical infrastructure, banking, and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	EYE Security	Exact match	Den Haag, NetherlandsHQ recorded Sep 28, 2026	201-500	217 contacts →
	Exact match “Eye Security protects small and medium-sized European enterprises from cyber threats and the high costs that follow after a successful attack.” 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 “cybersecurity public relations agencies”. 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 6,844 cybersecurity public relations agencies worldwide

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Cybersecurity public relations agencies worldwide at a glance

As of Sep 28, 2026

32.0%Verified-email coverage

9.3Average contacts per company

1-10Median size (employees)

2.8%Largest-city concentration · London

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

4,259

11-50

2,054

51-200

413

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 cybersecurity public relations agencies are linked below.
What qualifies: Company records worldwide whose business descriptions match “cybersecurity public relations agencies” 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 20,331 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.

Cybersecurity public relations agencies by location

56 lists · largest first

Every Cybersecurity public relations agencies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “cybersecurity public relations agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cybersecurity public relations agencies are there worldwide?

RevenueBase identified 6,844 company matches for cybersecurity public relations agencies 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 cybersecurity public relations agencies?

The United States leads with 1,943 companies, followed by India (471) and the United Kingdom (465). Every cybersecurity public relations agencies list by country and city is linked on this page.

Which city has the most cybersecurity public relations agencies?

London leads with 192 company records, followed by New York (104) and Paris (85).

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 20,331 professional contacts with verified work emails tracked across these 6,844 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.

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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.