Company lists · Data refreshed September 2026

Top 25 Data center security consulting companies worldwide

Name: Data center security consulting companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 15,665 companies tracked

RevenueBase identified 15,665 data center security consulting companies worldwide as of September 2026 and tracks 179,177 professional contacts across them, including 45,241 with verified work emails. The United States is the largest market and London the largest hub.

This list covers data center security consulting companies worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 28, 2026. Country and city lists for data center security consulting companies follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review

15,665Companies

179,177Contacts tracked

45,241Verified emails

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The 25 largest data center security consulting companies worldwide

Ranked by team size

Top 25 of 15,665 data center security consulting companies worldwide, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to data center security consulting companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Private Sector	Indirect evidence	United StatesHQ checked Sep 28, 2026	n/a	12,771 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 28, 2026
2	Securitas Seguridad España	Partial evidence	Madrid, SpainHQ checked Sep 28, 2026	10001+	3,620 contacts →
	Partial evidence “Securitas, Soluciones de Seguridad a medida Nuestro liderazgo en conocimientos de seguridad nos ha permitido desarrollar una estrategia basada en tres pilares fundamentales…” Source: RevenueBase Database · checked Sep 28, 2026
3	Sicuritalia S.P.A	Partial evidence	Milano, ItalyHQ checked Sep 28, 2026	10001+	3,387 contacts →
	Partial evidence “Il Gruppo Sicuritalia, con oltre 18.500 dipendenti, è la più grande azienda italiana ed il secondo player privato europeo in ambito Security.” Source: RevenueBase Database · checked Sep 28, 2026
4	NIL LTD	Strong evidence	Ljubljana, SloveniaHQ checked Sep 28, 2026	n/a	2,523 contacts →
	Strong evidence “NIL is a globally recognized provider of advanced data center, network, cloud, cyber security solutions as well as services for business and industry environments, state…” Source: RevenueBase Database · checked Sep 28, 2026
5	OPTIV	Indirect evidence	Leawood, KS, United StatesHQ checked Sep 28, 2026	1,001-5,000	2,222 contacts →
	Indirect evidence “Optiv is the cyber advisory and solutions leader, delivering strategic and technical expertise to nearly companies across every major industry.” Source: RevenueBase Database · checked Sep 28, 2026
6	Site سايت	Indirect evidence	Al Nakheel, Saudi ArabiaHQ checked Sep 28, 2026	501-1,000	1,378 contacts →
	Indirect evidence “We are established for enriching local content in designing, developing, and operating secure digital computing environments through Saudi talents, by fulfilling our role as a…” Source: RevenueBase Database · checked Sep 28, 2026
7	Guidepoint Security	Partial evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,232 contacts →
	Partial evidence “GuidePoint Security provides trusted cybersecurity expertise, solutions, and services that help organizations make informed decisions and minimize risk.” Source: RevenueBase Database · checked Sep 28, 2026
8	Brosnan Risk Consultants	Partial evidence	Pearl River, NY, United StatesHQ checked Sep 28, 2026	5,001-10,000	1,050 contacts →
	Partial evidence “Brosnan Risk Consultants, Ltd.(BRC) is a security risk management firm focusing on physical security, emergency security, disaster preparedness and recovery and management…” Source: RevenueBase Database · checked Sep 28, 2026
9	Onet Sécurité	Indirect evidence	Marseille, FranceHQ checked Sep 28, 2026	10001+	1,007 contacts →
	Indirect evidence “La proposition de valeur d'Onet dans la sécurité se fonde sur - son expertise sécurité et sa capacité à analyser les besoins et risques propres à ses clients- sa parfaite maîtrise…” Source: RevenueBase Database · checked Sep 28, 2026
10	Trustwave, A Levelblue Company	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	501-1,000	874 contacts →
	Indirect evidence “Trustwave, a LevelBlue Company, is a globally recognized cybersecurity leader that reduces cyber risk and fortifies organizations against disruptive and damaging cyber threats.” Source: RevenueBase Database · checked Sep 28, 2026
11	MTI	Strong evidence	Staines-upon-thames, United KingdomHQ checked Sep 28, 2026	201-500	764 contacts →
	Strong evidence “MTI provides award-winning, end-to-end technology solutions and services in cyber security and data centre for over 35 years.” Source: RevenueBase Database · checked Sep 28, 2026
12	Yotta Data Services Private Limited	Partial evidence	Mumbai, IndiaHQ checked Sep 28, 2026	501-1,000	752 contacts →
	Partial evidence “Yotta Data Services Private Limited is a Hiranandani group company.” Source: RevenueBase Database · checked Sep 28, 2026
13	I-Tracing	Indirect evidence	Courbevoie, FranceHQ checked Sep 28, 2026	1,001-5,000	639 contacts →
	Indirect evidence “I-TRACING, pure player and cybersecurity service provider leader in France, supports over 600 clients around the world in managing their cyber risks, from anticipating threats to…” Source: RevenueBase Database · checked Sep 28, 2026
14	Help Ag, An E& Enterprise Company	Indirect evidence	Dubai, United Arab EmiratesHQ checked Sep 28, 2026	501-1,000	634 contacts →
	Indirect evidence “Help AG, the cybersecurity arm of e & company, provides leading enterprise businesses and governments across the Middle East with strategic consultancy combined with tailored…” Source: RevenueBase Database · checked Sep 28, 2026
15	Byblos Group	Indirect evidence	Lissieu, FranceHQ checked Sep 28, 2026	1,001-5,000	538 contacts →
	Indirect evidence “Byblos Group est un groupe indépendant spécialisé dans la protection des personnes, des biens et des données, avec une approche sur mesure, fondée sur l’excellence opérationnelle…” Source: RevenueBase Database · checked Sep 28, 2026
16	Paramount Computer Systems	Indirect evidence	Dubai, United Arab EmiratesHQ checked Sep 28, 2026	201-500	525 contacts →
	Indirect evidence “Protection is Paramount!” Source: RevenueBase Database · checked Sep 28, 2026
17	Securityhq	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	501-1,000	502 contacts →
	Partial evidence “SecurityHQ, a global cybersecurity company pioneering Security Performance Engineering for stronger operational performance and resilience.” Source: RevenueBase Database · checked Sep 28, 2026
18	Aujas Cybersecurity	Indirect evidence	Cupertino, CA, United StatesHQ checked Sep 28, 2026	1,001-5,000	473 contacts →
	Indirect evidence “At Aujas Cybersecurity, we specialize in building and transforming cybersecurity postures to help businesses effectively mitigate risks.” Source: RevenueBase Database · checked Sep 28, 2026
19	Secure Soft S.A.C	Partial evidence	Santiago De Surco, PeruHQ checked Sep 28, 2026	51-200	426 contacts →
	Partial evidence “Somos Secure Soft, el Centro de Excelencia en Ciberseguridad de la empresa Gtd, con más de 20 años de experiencia y presencia en Perú, Chile, Colombia, Ecuador y México.” Source: RevenueBase Database · checked Sep 28, 2026
20	United Security, Inc. USI	Partial evidence	Red Bank, NJ, United StatesHQ checked Sep 28, 2026	1,001-5,000	416 contacts →
	Partial evidence “United Security Inc.(USI) provides personalized security solutions enhanced by advanced technology and cyber services.” Source: RevenueBase Database · checked Sep 28, 2026
21	Safeway	Indirect evidence	Sao Paulo, BrazilHQ checked Sep 28, 2026	201-500	399 contacts →
	Indirect evidence “A SAFEWAY empresa que integra a plataforma de cibersegurança do Grupo Stefanini se une a Protega.” Source: RevenueBase Database · checked Sep 28, 2026
22	Acpl Systems	Partial evidence	Gurgaon, IndiaHQ checked Sep 28, 2026	201-500	398 contacts →
	Partial evidence “ACPL Systems is a pure-play cybersecurity services company focused on helping organisations translate security investments into measurable outcomes.” Source: RevenueBase Database · checked Sep 28, 2026
23	CPX	Indirect evidence	Abu Dhabi, United Arab EmiratesHQ checked Sep 28, 2026	501-1,000	394 contacts →
	Indirect evidence “CPX is redefining how nations and industries secure their future.” Source: RevenueBase Database · checked Sep 28, 2026
24	Kudelski Security	Partial evidence	Cheseaux, United StatesHQ checked Sep 28, 2026	201-500	392 contacts →
	Partial evidence “Kudelski Security is a premier cybersecurity solutions provider, working with the most security-conscious organizations in Europe and across the United States.” Source: RevenueBase Database · checked Sep 28, 2026
25	PT Itsec Asia TBK	Indirect evidence	Jakarta, IndonesiaHQ checked Sep 28, 2026	201-500	388 contacts →
	Indirect evidence “ITSEC Asia is a leading cybersecurity company in Indonesia, listed on the Indonesian Stock Exchange (“CYBR”), with over 400 employees across five countries.” Source: RevenueBase Database · checked Sep 28, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: data center security consulting companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names data center security consulting companies.
Partial evidence: Its own public description names part of data center security consulting companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name data center security consulting companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 15,665 data center security consulting companies worldwide

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Data center security consulting companies worldwide at a glance

As of Sep 28, 2026

25.2%Verified-email coverage

11.4Average contacts per company

1-10Median size (employees)

2.0%Largest-city concentration · London

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

9,262

11-50

4,780

51-200

1,198

201-500

255

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

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among data center security consulting companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
Coverage: Every country. Country and city lists for data center security consulting companies are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “data center security consulting companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names data center security consulting companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among data center security consulting companies, and records with no verified work email.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every listed company carries at least one verified work email, 45,241 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 28, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Data center security consulting companies by location

110 lists · largest first

Every Data center security consulting companies 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 Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names data center security consulting companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many data center security consulting companies are there worldwide?

RevenueBase identified 15,665 data center security consulting companies worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Private Sector, headquartered in Worldwide, tops this list with the largest team on record.

Which country has the most data center security consulting companies?

The United States leads with 3,864 companies, followed by India (941) and the United Kingdom (860). Every data center security consulting companies list by country and city is linked on this page.

Which city has the most data center security consulting companies?

London leads with 320 headquartered companies, followed by Sao Paulo (188) and Paris (140).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 45,241 verified decision-maker contacts tracked across these 15,665 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 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 Smart Search, 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.