Company lists · Data refreshed September 2026

Top 25 Telecommunications consulting companies worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Sep 16, 2026 12,472 companies tracked

RevenueBase identified 12,472 telecommunications consulting companies worldwide as of September 2026 and tracks 245,446 professional contacts across them, including 46,706 with verified work emails and 0 with mobile numbers. The United States is the largest market and Sao Paulo the largest hub.

This list covers telecommunications 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 16, 2026. Country and city lists for telecommunications 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 16, 2026 86% judged on-target in blind review

12,472Companies

245,446Contacts tracked

46,706Verified emails

0Mobile numbers

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The 25 largest telecommunications consulting companies worldwide

Ranked by team size

Top 25 of 12,472 telecommunications consulting companies worldwide, ranked by team size, largest first. Data refreshed Sep 16, 2026. RevenueBase Smart Search rates how each company's information relates to telecommunications 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	Serede	Indirect evidence	Rio De Janeiro, BrazilHQ checked Sep 16, 2026	10001+	8,011 contacts →
	Indirect evidence “A Serede é uma empresa prestadora de serviços de implantação e manutenção em redes de Telecom, fundada em 06 de agosto de 2007.” Source: RevenueBase Database · checked Sep 16, 2026
2	Icomon Tecnologia Ltda	Indirect evidence	São Paulo, BrazilHQ checked Sep 16, 2026	10001+	4,895 contacts →
	Indirect evidence “A Icomon atua há 37 anos com alta performance em tecnologia e telecomunicações.” Source: RevenueBase Database · checked Sep 16, 2026
3	Amaris Consulting	Partial evidence	Chêne-bourg, SwitzerlandHQ checked Sep 16, 2026	5,001-10,000	4,824 contacts →
	Partial evidence “Amaris Consulting is an independent technology consulting firm providing guidance and solutions to businesses.” Source: RevenueBase Database · checked Sep 16, 2026
4	Tata Communications Transformation Services Tcts	Indirect evidence	Mumbai, IndiaHQ checked Sep 16, 2026	1,001-5,000	4,599 contacts →
	Indirect evidence “Tata Communications Transformation Services (TCTS), a 100% subsidiary of Tata Communications Ltd, provides business transformation, managed network operations, network…” Source: RevenueBase Database · checked Sep 16, 2026
5	Management Solutions	Partial evidence	Madrid, SpainHQ checked Sep 16, 2026	1,001-5,000	4,468 contacts →
	Partial evidence “Management Solutions is a leading provider of business consulting services for regulated industries.” Source: RevenueBase Database · checked Sep 16, 2026
6	Spark NEW Zealand	Indirect evidence	Cbd, New ZealandHQ checked Sep 16, 2026	5,001-10,000	4,023 contacts →
	Indirect evidence “In today’s fast-paced digital world, Spark is here to help all New Zealanders stay ahead.” Source: RevenueBase Database · checked Sep 16, 2026
7	Alten Italia	Indirect evidence	Milano, ItalyHQ checked Sep 16, 2026	1,001-5,000	3,085 contacts →
	Indirect evidence “Il Gruppo ALTEN, leader europeo nella consulenza per le tecnologie avanzate in campo ingegneristico e ICT, è quotato alla Borsa di Parigi e vanta più di 57.700 collaboratori in…” Source: RevenueBase Database · checked Sep 16, 2026
8	GTL Limited	Indirect evidence	Navi Mumbai, IndiaHQ checked Sep 16, 2026	1,001-5,000	2,780 contacts →
	Indirect evidence “GTL, a Global Group Enterprise, is a leading Network Services company, offering services and solutions to address the Network Life Cycle requirements of Telecom Operators…” Source: RevenueBase Database · checked Sep 16, 2026
9	Airtel Business	Indirect evidence	Gurgaon, IndiaHQ checked Sep 16, 2026	10001+	2,760 contacts →
	Indirect evidence “The B2B arm of Bharti Airtel, we are India's leading provider of secure and reliable connectivity, technology, and communications solutions.” Source: RevenueBase Database · checked Sep 16, 2026
10	Procisa DO Brasil	Indirect evidence	São Paulo, BrazilHQ checked Sep 16, 2026	1,001-5,000	2,538 contacts →
	Indirect evidence “Prazer, somos a Procisa do Brasil!” Source: RevenueBase Database · checked Sep 16, 2026
11	Granite Telecommunications	Partial evidence	Quincy, MA, United StatesHQ checked Sep 16, 2026	1,001-5,000	2,270 contacts →
	Partial evidence “Granite is a dynamic and rapidly growing company serving the exciting and demanding Telecommunications market.” Source: RevenueBase Database · checked Sep 16, 2026
12	LCC	Indirect evidence	Mclean, VA, United StatesHQ checked Sep 16, 2026	5,001-10,000	2,193 contacts →
	Indirect evidence “In Feb.” Source: RevenueBase Database · checked Sep 16, 2026
13	Camusat	Indirect evidence	Paris, FranceHQ checked Sep 16, 2026	1,001-5,000	1,726 contacts →
	Indirect evidence “Camusat is one of the market leaders in the implementation of telecom infrastructures and one of the most experienced network developers.” Source: RevenueBase Database · checked Sep 16, 2026
14	PT Berca Hardayaperkasa	Indirect evidence	Jakarta Pusat, IndonesiaHQ checked Sep 16, 2026	1,001-5,000	1,701 contacts →
	Indirect evidence “Since its establishment in 1990, PT.” Source: RevenueBase Database · checked Sep 16, 2026
15	Telecon	Indirect evidence	Montreal, QC, CanadaHQ checked Sep 16, 2026	1,001-5,000	1,573 contacts →
	Indirect evidence “From a regional telecom networks builder in 1967 in Quebec (Canada), Telecon has grown into a world-class industry-leading telecom networks design, infrastructure and connectivity…” Source: RevenueBase Database · checked Sep 16, 2026
16	Pt. Mora Telematika Indonesia TBK	Partial evidence	Jakarta Pusat, IndonesiaHQ checked Sep 16, 2026	1,001-5,000	1,510 contacts →
	Partial evidence “Moratelindo is part of PT Ekamas Mora RepublikTbk (MoraRepublic), one of Indonesia’s largest integrated infrastructure Telecommunication and connectivity providers.” Source: RevenueBase Database · checked Sep 16, 2026
17	Sofrecom Tunisie	Indirect evidence	Tunis, TunisiaHQ checked Sep 16, 2026	1,001-5,000	1,397 contacts →
	Indirect evidence “Sofrecom, filiale du groupe France Télécom - Orange, a développé depuis plus de 45 ans un savoir-faire unique dans les métiers de l’opérateur, qui en fait aujourd’hui l’un des…” Source: RevenueBase Database · checked Sep 16, 2026
18	Zelenza	Indirect evidence	Madrid, SpainHQ checked Sep 16, 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 16, 2026
19	CCI Systems	Partial evidence	Iron Mountain, MI, United StatesHQ checked Sep 16, 2026	1,001-5,000	1,077 contacts →
	Partial evidence “CCI Systems is an employee-owned solution provider specializing in telecommunications, comprehensive network assessments, industry-leading engineering, drafting and design…” Source: RevenueBase Database · checked Sep 16, 2026
20	Kelly Group	Indirect evidence	Wembley, United KingdomHQ checked Sep 16, 2026	1,001-5,000	1,053 contacts →
	Indirect evidence “Established in 1985 to support the emerging UK cable television market, Kelly Group has diversified to meet the needs of our clients.” Source: RevenueBase Database · checked Sep 16, 2026
21	KGPCO	Indirect evidence	Faribault, MN, United StatesHQ checked Sep 16, 2026	1,001-5,000	974 contacts →
	Indirect evidence “KGPCo is a key strategic partner to the world’s leading communication and technology companies creating the next generation of networks.” Source: RevenueBase Database · checked Sep 16, 2026
22	Líder Telecom Ltda	Indirect evidence	São Paulo, BrazilHQ checked Sep 16, 2026	1,001-5,000	959 contacts →
	Indirect evidence “A Líder Telecom oferece aos clientes serviços de assessoria necessária ao estabelecimento de seu planejamento técnico e operacional para atendimento a redes corporativas de…” Source: RevenueBase Database · checked Sep 16, 2026
23	Colvatel	Indirect evidence	Bogota, ColombiaHQ checked Sep 16, 2026	1,001-5,000	954 contacts →
	Indirect evidence “33 años diseñando la infraestructura técnica que mueve a Colombia.” Source: RevenueBase Database · checked Sep 16, 2026
24	Puntonet S.A	Indirect evidence	Quito, EcuadorHQ checked Sep 16, 2026	1,001-5,000	882 contacts →
	Indirect evidence “Puntonet, una de las empresas líderes en telecomunicaciones y con mayor crecimiento en Ecuador, cuenta con una sólida infraestructura, procesos seguros y un alto sentido humano.” Source: RevenueBase Database · checked Sep 16, 2026
25	NTG Clarity	Indirect evidence	Markham, ON, CanadaHQ checked Sep 16, 2026	501-1,000	876 contacts →
	Indirect evidence “NTG CLARITY is a leader in delivering network, telecom, IT and infrastructure solutions to network service providers and medium and large enterprises.” Source: RevenueBase Database · checked Sep 16, 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: telecommunications 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 telecommunications consulting companies.
Partial evidence: Its own public description names part of telecommunications consulting companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name telecommunications 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 12,472 telecommunications consulting companies worldwide

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Telecommunications consulting companies worldwide at a glance

As of Sep 16, 2026

19.0%Verified-email coverage

19.7Average contacts per company

1-10Median size (employees)

2.3%Largest-city concentration · Sao Paulo

Sep 16, 2026Page data refreshed

Companies by employee count

1-10

6,229

11-50

4,251

51-200

1,349

201-500

349

501-1,000

126

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 telecommunications 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: 46 countries, largest first: the United States, Brazil, the United Kingdom, France, Spain, Italy, Germany, Canada, India, Australia and 36 more. Country and city lists for telecommunications consulting companies are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “telecommunications 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 telecommunications 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 telecommunications 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, 46,706 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 16, 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.

Telecommunications consulting companies by location

68 lists · largest first

Every Telecommunications 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 telecommunications 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 telecommunications consulting companies are there worldwide?

RevenueBase identified 12,472 telecommunications 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?

Serede, headquartered in Rio De Janeiro, tops this list with the largest team on record.

Which country has the most telecommunications consulting companies?

The United States leads with 3,107 companies, followed by Brazil (1,325) and the United Kingdom (859). Every telecommunications consulting companies list by country and city is linked on this page.

Which city has the most telecommunications consulting companies?

Sao Paulo leads with 291 headquartered companies, followed by London (176) and Madrid (130).

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 46,706 verified decision-maker contacts tracked across these 12,472 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 16, 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.