Company lists · Data refreshed September 2026

Top 25 Telecom security consulting companies worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Sep 6, 2026 6,471 companies tracked

RevenueBase identified 6,471 telecom security consulting companies worldwide as of September 2026 and tracks 63,433 professional contacts across them, including 15,252 with verified work emails and 6,029 with mobile numbers. The United States is the largest market and Sao Paulo the largest hub.

This list covers telecom 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 6, 2026. Country and city lists for telecom 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 6, 2026 86% judged on-target in blind review

6,471Companies

63,433Contacts tracked

15,252Verified emails

6,029Mobile numbers

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The 25 largest telecom security consulting companies worldwide

Ranked by team size

Top 25 of 6,471 telecom security consulting companies worldwide, ranked by team size, largest first. Data refreshed Sep 6, 2026. RevenueBase Smart Search rates how each company's information relates to telecom 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	Securitas Seguridad España	Partial evidence	Madrid, SpainHQ checked Sep 6, 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 6, 2026
2	Zelenza	Indirect evidence	Madrid, SpainHQ checked Sep 6, 2026	1,001-5,000	1,125 contacts →
	Indirect evidence “En Zelenza somos líderes en servicios integrados TIC, Ingeniería de Redes Telco, Defensa y Seguridad y Customer Experience.” Source: RevenueBase Database · checked Sep 6, 2026
3	Enea AB	Partial evidence	Stockholm, SwedenHQ checked Sep 6, 2026	501-1,000	638 contacts →
	Partial evidence “Enea is a global specialist in advanced telecom and cybersecurity software, with a vision to make the world’s communications safer and more efficient.” Source: RevenueBase Database · checked Sep 6, 2026
4	Norconsult Telematics	Partial evidence	Riyadh, Saudi ArabiaHQ checked Sep 6, 2026	501-1,000	488 contacts →
	Partial evidence “Norconsult Telematics is an independent, privately-owned consultancy, services and solutions company operating primarily in telecommunications and defence.” Source: RevenueBase Database · checked Sep 6, 2026
5	Turnotech INC	Indirect evidence	Redmond, WA, United StatesHQ checked Sep 6, 2026	501-1,000	426 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 6, 2026
6	XAD Technologies	Strong evidence	Business Bay, United Arab EmiratesHQ checked Sep 6, 2026	1,001-5,000	394 contacts →
	Strong evidence “Established in 2006, XAD Technologies LLC is an ISO-certied company offering services in the elds of Telecommunication, IT networks, managed services, staff outsourcing, security…” Source: RevenueBase Database · checked Sep 6, 2026
7	PT Itsec Asia TBK	Indirect evidence	Jakarta, IndonesiaHQ checked Sep 6, 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 6, 2026
8	Esec Forte Technologies	Strong evidence	Gurugram, IndiaHQ checked Sep 6, 2026	201-500	363 contacts →
	Strong evidence “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…” Source: RevenueBase Database · checked Sep 6, 2026
9	NTIS	Strong evidence	Riyadh, Saudi ArabiaHQ checked Sep 6, 2026	201-500	358 contacts →
	Strong evidence “National Company of Telecommunications and Information Security (NTIS) is a leading Saudi company in the field of research and development, production, support and…” Source: RevenueBase Database · checked Sep 6, 2026
10	Nexecur	Indirect evidence	Coulaines, FranceHQ checked Sep 6, 2026	501-1,000	356 contacts →
	Indirect evidence “Spécialiste de la télésurveillance, des systèmes d’alarmes et de la téléassistance depuis près de 40 ans, Nexecur s'engage pour votre sécurité en s'appuyant sur l'expérience et la…” Source: RevenueBase Database · checked Sep 6, 2026
11	US Claro	Indirect evidence	Miramar, FL, United StatesHQ checked Sep 6, 2026	201-500	345 contacts →
	Indirect evidence “Claro, a subsidiary of América Móvil, is a global integrator with over 20 years of experience and your partner for managing secure-by-design cybersecurity and information…” Source: RevenueBase Database · checked Sep 6, 2026
12	Talakunchi Networks PVT LTD	Indirect evidence	Mumbai, IndiaHQ checked Sep 6, 2026	201-500	335 contacts →
	Indirect evidence “T A L A K U N C H I Networks Pvt.” Source: RevenueBase Database · checked Sep 6, 2026
13	Viatel Technology Group	Partial evidence	Dublin 12, IrelandHQ checked Sep 6, 2026	201-500	335 contacts →
	Partial evidence “We deliver fully managed security, networking, cloud and communications services designed to drive enterprise.” Source: RevenueBase Database · checked Sep 6, 2026
14	Great Security	Partial evidence	Malmö, SwedenHQ checked Sep 6, 2026	501-1,000	290 contacts →
	Partial evidence “Great Security är ett av Sveriges ledande säkerhetsföretag som erbjuder smarta säkerhetslösningar i teknisk framkant.” Source: RevenueBase Database · checked Sep 6, 2026
15	Xalient	Partial evidence	Leeds, United KingdomHQ checked Sep 6, 2026	201-500	260 contacts →
	Partial evidence “We are a global boutique, specializing exclusively in the convergence of identity-driven security and networking.” Source: RevenueBase Database · checked Sep 6, 2026
16	Método Telecom	Partial evidence	Belo Horizonte, BrazilHQ checked Sep 6, 2026	51-200	224 contacts →
	Partial evidence “Com 35 anos de atuação, a Método Telecom consolidou uma trajetória marcada pela especialização em soluções de comunicação corporativa.” Source: RevenueBase Database · checked Sep 6, 2026
17	Cyraacs	Partial evidence	Bengaluru, IndiaHQ checked Sep 6, 2026	51-200	221 contacts →
	Partial evidence “CYRAAC Services Private Limited (CyRAACS) is a leading, technology-first cybersecurity consulting and advisory firm headquartered in India, empanelled with CERT-In and accredited…” Source: RevenueBase Database · checked Sep 6, 2026
18	Sattrix Information Security	Partial evidence	Ahmedabad, IndiaHQ checked Sep 6, 2026	201-500	212 contacts →
	Partial evidence “In the current era of hyper-connectivity, securing your digital assets is no longer optional; it's essential.” Source: RevenueBase Database · checked Sep 6, 2026
19	Valuepoint Systems Private Limited	Partial evidence	Bangalore, IndiaHQ checked Sep 6, 2026	1,001-5,000	205 contacts →
	Partial evidence “Ashok Prabhu, co-founded Value Point Techsol with Shanbhag and Sampath way back in 2012 and successfully steered it into one of the leading Cyber Security Integrator and…” Source: RevenueBase Database · checked Sep 6, 2026
20	Mindpoint Group, A Quantum SKY Company	Indirect evidence	Reston, VA, United StatesHQ checked Sep 6, 2026	1,001-5,000	204 contacts →
	Indirect evidence “MindPoint Group, a Quantum Sky company, is a cybersecurity specialist trusted by U.S.” Source: RevenueBase Database · checked Sep 6, 2026
21	Mission Critical Partners	Partial evidence	Port Matilda, PA, United StatesHQ checked Sep 6, 2026	201-500	203 contacts →
	Partial evidence “Mission Critical Partners (MCP) is a leading provider of consulting, data integration, network, and cybersecurity solutions.” Source: RevenueBase Database · checked Sep 6, 2026
22	DAGMA	Indirect evidence	Katowice, PolandHQ checked Sep 6, 2026	201-500	192 contacts →
	Indirect evidence “DAGMA Bezpieczeństwo IT to firma z 40-letnim doświadczeniem, specjalizująca się w cyberbezpieczeństwie.” Source: RevenueBase Database · checked Sep 6, 2026
23	Abix Tecnologia Ltda	Indirect evidence	Curitiba, BrazilHQ checked Sep 6, 2026	51-200	180 contacts →
	Indirect evidence “A Abix é especializada em aluguel, venda e projeto de sistemas de radiocomunicação, monitoramento por câmeras de segurança (CFTV) e transmissão de dados sem fio.” Source: RevenueBase Database · checked Sep 6, 2026
24	Matrix 2bsecure	Indirect evidence	Tel Aviv, IsraelHQ checked Sep 6, 2026	51-200	180 contacts →
	Indirect evidence “2Bsecure Ltd.” Source: RevenueBase Database · checked Sep 6, 2026
25	Reversec	Indirect evidence	Sweden, ItalyHQ checked Sep 6, 2026	201-500	177 contacts →
	Indirect evidence “We are Reversec.” Source: RevenueBase Database · checked Sep 6, 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: telecom 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 telecom security consulting companies.
Partial evidence: Its own public description names part of telecom 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 telecom 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 6,471 telecom security consulting companies worldwide

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Telecom security consulting companies worldwide at a glance

As of Sep 6, 2026

24.0%Verified-email coverage

9.5%Mobile-number coverage

9.8Average contacts per company

1-10Median size (employees)

2.4%Largest-city concentration · Sao Paulo

Sep 6, 2026Page data refreshed

Companies by employee count

1-10

3,745

11-50

2,039

51-200

525

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 telecom 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: 33 countries, largest first: the United States, Brazil, the United Kingdom, France, India, Germany, Canada, Spain, Mexico, Australia and 23 more. Country and city lists for telecom security consulting companies are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “telecom 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 telecom 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 telecom 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, 15,252 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 between September 6, 2026 and September 14, 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.

Telecom security consulting companies by location

48 lists · largest first

Every Telecom 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 telecom 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 telecom security consulting companies are there worldwide?

RevenueBase identified 6,471 telecom 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?

Securitas Seguridad España, headquartered in Madrid, tops this list with the largest team on record.

Which country has the most telecom security consulting companies?

The United States leads with 1,769 companies, followed by Brazil (655) and the United Kingdom (427). Every telecom security consulting companies list by country and city is linked on this page.

Which city has the most telecom security consulting companies?

Sao Paulo leads with 154 headquartered companies, followed by London (120) and Paris (68).

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 15,252 verified decision-maker contacts tracked across these 6,471 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled from the company graph between September 6, 2026 and September 14, 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.