Company lists · Data refreshed September 2026

Top 25 Infrastructure security consultants worldwide

Name: Infrastructure security consultants worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 13,068 companies tracked

RevenueBase identified 13,068 company matches for infrastructure security consultants worldwide as of September 2026 and tracks 145,934 professional contacts across them, including 37,194 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for infrastructure security consultants 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 infrastructure security consultants 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

13,068Companies

145,934Contacts tracked

37,194Verified emails

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The 25 largest infrastructure security consultants worldwide

Ranked by team size

Top 25 of 13,068 company matches for infrastructure security consultants 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	Private Sector	Exact match	United StatesHQ recorded Sep 28, 2026	n/a	12,771 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	AMEY	Exact match	London, United KingdomHQ recorded Sep 28, 2026	10001+	6,667 contacts →
	Exact match “Who we are: Amey is a global, integrated infrastructure consultancy and operations partner.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	OPTIV	Exact match	Leawood, KS, United StatesHQ recorded Sep 28, 2026	1,001-5,000	2,222 contacts →
	Exact match “Optiv is the cyber advisory and solutions leader, delivering strategic and technical expertise to nearly companies across every major industry.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Nava Tech For Business	Exact match	Barueri, BrazilHQ recorded Sep 28, 2026	1,001-5,000	1,452 contacts →
	Exact match “Atuamos no core de empresas líderes em seus segmentos, onde tecnologia, estratégia e operação se encontram.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Site سايت	Exact match	Al Nakheel, Saudi ArabiaHQ recorded Sep 28, 2026	501-1,000	1,378 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	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
7	Softcell Technologies Global Pvt. LTD	Exact match	Mumbai, IndiaHQ recorded Sep 28, 2026	501-1,000	763 contacts →
	Exact match “With 35 years of experience, Softcell Technologies Global is a trusted IT services provider specialising in (i) IT security and cybersecurity solutions,(ii) cloud / on-premise…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	A10 Networks, INC	Exact match	San Jose, CA, United StatesHQ recorded Sep 28, 2026	501-1,000	673 contacts →
	Exact match “A10 Networks provides security and infrastructure solutions for on-premises, hybrid cloud, and edge-cloud environments.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	I-Tracing	Exact match	Courbevoie, FranceHQ recorded Sep 28, 2026	1,001-5,000	639 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Paramount Computer Systems	Exact match	Dubai, United Arab EmiratesHQ recorded Sep 28, 2026	201-500	525 contacts →
	Exact match “Protection is Paramount!” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	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
12	Sure Global Technology	Exact match	Riaydh, Saudi ArabiaHQ recorded Sep 28, 2026	201-500	477 contacts →
	Exact match “SURE Global Technology is considered as one of the leading Saudi IT companies.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	SIRT	Exact match	Barcelona, SpainHQ recorded Sep 28, 2026	201-500	449 contacts →
	Exact match “Experiencia, especialización y calidad de servicio son los tres valores clave en los que SIRT basa su actividad y la relación con sus clientes.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Fourth Dimension Technologies	Exact match	Chennai, IndiaHQ recorded Sep 28, 2026	501-1,000	413 contacts →
	Exact match “About Us 36+ Years of IT Infrastructure & Managed Services Expertise At Fourth Dimension Technologies (4DTech), we help organizations modernize, secure, and manage their IT…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Acpl Systems	Exact match	Gurgaon, IndiaHQ recorded Sep 28, 2026	201-500	398 contacts →
	Exact match “ACPL Systems is a pure-play cybersecurity services company focused on helping organisations translate security investments into measurable outcomes.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Metsys	Exact match	Boulogne-billancourt, FranceHQ recorded Sep 28, 2026	501-1,000	397 contacts →
	Exact match “Metsys est un intégrateur de solutions de cybersécurité, d’infrastructure et de cloud.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	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
18	PCSS	Exact match	SingaporeHQ recorded Sep 28, 2026	501-1,000	387 contacts →
	Exact match “PCSS is a Singapore-based systems integrator with more than 25 years of experience and accolades in providing secure, reliable and state-of-the-art security solutions.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Esec Forte Technologies	Exact match	Gurugram, IndiaHQ recorded Sep 28, 2026	201-500	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
20	Synetis	Exact match	Paris, FranceHQ recorded Sep 28, 2026	201-500	359 contacts →
	Exact match “Founded in 2010, Synetis is the leading independent French consultancy firm specialising in information systems security (ISS).” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Techdefence	Exact match	Ahmedabad, IndiaHQ recorded Sep 28, 2026	201-500	340 contacts →
	Exact match “TechDefence Labs (TechD Cybersecurity Limited) Award-winning \| Innovative \| Visionary We empower organizations across the globe to secure their applications, networks, and digital…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Talakunchi Networks PVT LTD	Exact match	Mumbai, IndiaHQ recorded Sep 28, 2026	201-500	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
23	IANS	Exact match	Boston, MA, United StatesHQ recorded Sep 28, 2026	51-200	327 contacts →
	Exact match “For the security practitioner caught between rapidly evolving threats and demanding executives, IANS Research is a clear-headed resource for decision-making and articulating risk.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Total Information Management Corporation	Exact match	Makati City, PhilippinesHQ recorded Sep 28, 2026	201-500	323 contacts →
	Exact match “Total Information Management (TIM) Corporation is a milestone technology services company setting the standards today for highly-reliable and intelligent I.T.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	CTI	Exact match	Timonium, MD, United StatesHQ recorded Sep 28, 2026	n/a	323 contacts →
	Exact match “Continental Technologies Inc (CTI) configures, distributes, designs and maintains technology solutions for customers around the globe and remains both privately-held and locally…” 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 “infrastructure security consultants”. 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 13,068 infrastructure security consultants worldwide

See the full list, filter by size, metro and specialty, and access 37,194 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Infrastructure security consultants worldwide at a glance

As of Sep 28, 2026

25.5%Verified-email coverage

11.2Average contacts per company

1-10Median size (employees)

1.7%Largest-city concentration · London

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

7,677

11-50

4,107

51-200

962

201-500

203

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 infrastructure security consultants are linked below.
What qualifies: Company records worldwide whose business descriptions match “infrastructure security consultants” 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 37,194 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.

Infrastructure security consultants by location

89 lists · largest first

Every Infrastructure security consultants 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 “infrastructure security consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many infrastructure security consultants are there worldwide?

RevenueBase identified 13,068 company matches for infrastructure security consultants 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 infrastructure security consultants?

The United States leads with 2,802 companies, followed by India (800) and the United Kingdom (680). Every infrastructure security consultants list by country and city is linked on this page.

Which city has the most infrastructure security consultants?

London leads with 216 company records, followed by Sao Paulo (161) and Paris (140).

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 37,194 professional contacts with verified work emails tracked across these 13,068 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.