Company lists · Data refreshed September 2026

Top 25 Telecom consulting companies worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 11,604 companies tracked

RevenueBase identified 11,604 company matches for telecom consulting companies worldwide as of September 2026 and tracks 197,704 professional contacts across them, including 37,181 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for telecom consulting companies 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 21, 2026. Country and city lists for telecom consulting companies 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 21, 2026 How this list was built

11,604Companies

197,704Contacts tracked

37,181Verified emails

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The 25 largest telecom consulting companies worldwide

Ranked by team size

Top 25 of 11,604 company matches for telecom consulting companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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	Icomon Tecnologia Ltda	Exact match	São Paulo, BrazilHQ recorded Sep 21, 2026	10001+	4,895 contacts →
	Exact match “A Icomon atua há 37 anos com alta performance em tecnologia e telecomunicações.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2	Amaris Consulting	Exact match	Chêne-bourg, SwitzerlandHQ recorded Sep 21, 2026	5,001-10,000	4,824 contacts →
	Exact match “Amaris Consulting is an independent technology consulting firm providing guidance and solutions to businesses.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3	Tata Communications Transformation Services Tcts	Exact match	Mumbai, IndiaHQ recorded Sep 21, 2026	1,001-5,000	4,599 contacts →
	Exact match “Tata Communications Transformation Services (TCTS), a 100% subsidiary of Tata Communications Ltd, provides business transformation, managed network operations, network…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4	Management Solutions	Exact match	Madrid, SpainHQ recorded Sep 21, 2026	1,001-5,000	4,468 contacts →
	Exact match “Management Solutions is a leading provider of business consulting services for regulated industries.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5	Alten Italia	Exact match	Milano, ItalyHQ recorded Sep 21, 2026	1,001-5,000	3,085 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6	GTL Limited	Exact match	Navi Mumbai, IndiaHQ recorded Sep 21, 2026	1,001-5,000	2,780 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7	LCC	Exact match	Mclean, VA, United StatesHQ recorded Sep 21, 2026	5,001-10,000	2,193 contacts →
	Exact match “In Feb.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8	Telecon	Exact match	Montreal, QC, CanadaHQ recorded Sep 21, 2026	1,001-5,000	1,573 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9	Pt. Mora Telematika Indonesia TBK	Exact match	Jakarta Pusat, IndonesiaHQ recorded Sep 21, 2026	1,001-5,000	1,510 contacts →
	Exact match “Moratelindo is part of PT Ekamas Mora RepublikTbk (MoraRepublic), one of Indonesia’s largest integrated infrastructure Telecommunication and connectivity providers.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10	Sofrecom Tunisie	Exact match	Tunis, TunisiaHQ recorded Sep 21, 2026	1,001-5,000	1,397 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11	Zelenza	Exact match	Madrid, SpainHQ recorded Sep 21, 2026	1,001-5,000	1,125 contacts →
	Exact match “En Zelenza somos líderes en servicios integrados TIC, Ingeniería de Redes Telco, Defensa y Seguridad y Customer Experience.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12	CCI Systems	Exact match	Iron Mountain, MI, United StatesHQ recorded Sep 21, 2026	1,001-5,000	1,077 contacts →
	Exact match “CCI Systems is an employee-owned solution provider specializing in telecommunications, comprehensive network assessments, industry-leading engineering, drafting and design…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13	Kelly Group	Exact match	Wembley, United KingdomHQ recorded Sep 21, 2026	1,001-5,000	1,053 contacts →
	Exact match “Established in 1985 to support the emerging UK cable television market, Kelly Group has diversified to meet the needs of our clients.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14	Líder Telecom Ltda	Exact match	São Paulo, BrazilHQ recorded Sep 21, 2026	1,001-5,000	959 contacts →
	Exact match “A Líder Telecom oferece aos clientes serviços de assessoria necessária ao estabelecimento de seu planejamento técnico e operacional para atendimento a redes corporativas de…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15	Ervin Cable Construction LLC	Exact match	Sturgis, KY, United StatesHQ recorded Sep 21, 2026	1,001-5,000	949 contacts →
	Exact match “Ervin Cable Construction, LLC (ECC) is a seasoned leader in telecommunications construction, founded in 1980.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16	NTG Clarity	Exact match	Markham, ON, CanadaHQ recorded Sep 21, 2026	501-1,000	876 contacts →
	Exact match “NTG CLARITY is a leader in delivering network, telecom, IT and infrastructure solutions to network service providers and medium and large enterprises.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17	Allied Telesis	Exact match	San Jose, CA, United StatesHQ recorded Sep 21, 2026	1,001-5,000	816 contacts →
	Exact match “Our world is increasing in complexity.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18	Ansco & Associates, LLC	Exact match	Norcross, GA, United StatesHQ recorded Sep 21, 2026	1,001-5,000	810 contacts →
	Exact match “Ansco & Associates, LLC (“Ansco”) has been providing engineering, construction, and professional services in the national marketplace for over 35 years.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19	Nunsys	Exact match	Paterna, SpainHQ recorded Sep 21, 2026	1,001-5,000	739 contacts →
	Exact match “NUNSYS es una empresa especializada en la Implantación de Soluciones Integrales de Tecnología.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20	Westower Communications LTD	Exact match	Spruce Grove, AB, CanadaHQ recorded Sep 21, 2026	201-500	711 contacts →
	Exact match “WesTower Communications is Canada’s largest Telecommunications construction company and is committed to meeting the dynamic needs of today’s wireless telecommunications and…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21	Tower Engineering Professionals	Exact match	Raleigh, NC, United StatesHQ recorded Sep 21, 2026	1,001-5,000	707 contacts →
	Exact match “Tower Engineer Professionals was founded in 1997 by two tower-climbing engineers.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22	Nexwave Technologies	Exact match	SingaporeHQ recorded Sep 21, 2026	201-500	702 contacts →
	Exact match “Nexwave Technologies is a regional provider of telecommunication network engineering services.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23	OFG	Exact match	Córdoba, SpainHQ recorded Sep 21, 2026	1,001-5,000	701 contacts →
	Exact match “OFG is an international company with more than 20 years of experience in the telecommunications sector.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24	Teleysia Networks I Pvt. LTD	Exact match	Ahmedabad, IndiaHQ recorded Sep 21, 2026	501-1,000	698 contacts →
	Exact match “Teleysia Networks has started operations since April 2008 and it is an innovative, efficient and effective solution providing telecom Consultancy Company with mission to become…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25	Immco INC	Exact match	Canton, GA, IndiaHQ recorded Sep 21, 2026	1,001-5,000	692 contacts →
	Exact match “Founded in 1992, IMMCO is a global provider of network design, GIS, and software solutions for the broadband and telecommunications industries.” Recorded in the RevenueBase company graph · Sep 21, 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 “telecom consulting companies”. 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 11,604 telecom consulting companies worldwide

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Telecom consulting companies worldwide at a glance

As of Sep 21, 2026

18.8%Verified-email coverage

17.0Average contacts per company

1-10Median size (employees)

1.8%Largest-city concentration · Sao Paulo

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

5,934

11-50

3,771

51-200

1,284

201-500

358

501-1,000

112

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 telecom consulting companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “telecom consulting companies” 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 37,181 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 21, 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.

Telecom consulting companies by location

55 lists · largest first

Every Telecom 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 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 “telecom consulting companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many telecom consulting companies are there worldwide?

RevenueBase identified 11,604 company matches for telecom consulting companies 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?

Icomon Tecnologia Ltda tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most telecom consulting companies?

The United States leads with 2,265 companies, followed by Brazil (911) and the United Kingdom (559). Every telecom consulting companies list by country and city is linked on this page.

Which city has the most telecom consulting companies?

Sao Paulo leads with 205 company records, followed by London (142) and Madrid (95).

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 37,181 professional contacts with verified work emails tracked across these 11,604 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 21, 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.