Company lists · Data refreshed September 2026

Top 25 Enterprise telecom consultants worldwide

Name: Enterprise telecom consultants worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 16,269 companies tracked

RevenueBase identified 16,269 enterprise telecom consultants worldwide as of September 2026 and tracks 248,393 professional contacts across them, including 52,695 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers enterprise telecom consultants 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 enterprise telecom consultants 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

16,269Companies

248,393Contacts tracked

52,695Verified emails

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The 25 largest enterprise telecom consultants worldwide

Ranked by team size

Top 25 of 16,269 enterprise telecom consultants worldwide, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to enterprise telecom consultants: 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	Partial evidence	Rio De Janeiro, BrazilHQ checked Sep 28, 2026	10001+	8,011 contacts →
	Partial 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 28, 2026
2	Amaris Consulting	Indirect evidence	Chêne-bourg, SwitzerlandHQ checked Sep 28, 2026	5,001-10,000	4,824 contacts →
	Indirect evidence “Amaris Consulting is an independent technology consulting firm providing guidance and solutions to businesses.” Source: RevenueBase Database · checked Sep 28, 2026
3	GTL Limited	Strong evidence	Navi Mumbai, IndiaHQ checked Sep 28, 2026	1,001-5,000	2,780 contacts →
	Strong 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 28, 2026
4	Spread Tecnologia	Indirect evidence	São Paulo, BrazilHQ checked Sep 28, 2026	1,001-5,000	2,521 contacts →
	Indirect evidence “With over 30 years of experience in Information and Communication Technology market, the Spread has extensive experience and expertise in the field and has the challenge of…” Source: RevenueBase Database · checked Sep 28, 2026
5	Sirti S.P.A	Partial evidence	Sesto San Giovanni (mi), ItalyHQ checked Sep 28, 2026	1,001-5,000	2,332 contacts →
	Partial evidence “Sirti is Italy's leading technology company in the design and production of network infrastructures and telecoms system integration.” Source: RevenueBase Database · checked Sep 28, 2026
6	LCC	Indirect evidence	Mclean, VA, United StatesHQ checked Sep 28, 2026	5,001-10,000	2,193 contacts →
	Indirect evidence “In Feb.” Source: RevenueBase Database · checked Sep 28, 2026
7	Kddi Corporation	Partial evidence	Tokyo, JapanHQ checked Sep 28, 2026	10001+	1,966 contacts →
	Partial evidence “We are Japan’s global telecommunications pioneer and a Global Fortune 500 company, providing our international customer base with data centers, networks, content delivery, system…” Source: RevenueBase Database · checked Sep 28, 2026
8	IES Communications	Indirect evidence	Tempe, AZ, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,800 contacts →
	Indirect evidence “IES Communications a division of IES (NASDAQ: IESC) provides each client with a team of highly qualified dedicated professionals that deliver superior quality and cost effective…” Source: RevenueBase Database · checked Sep 28, 2026
9	Camusat	Partial evidence	Paris, FranceHQ checked Sep 28, 2026	1,001-5,000	1,726 contacts →
	Partial 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 28, 2026
10	Telecon	Partial evidence	Montreal, QC, CanadaHQ checked Sep 28, 2026	1,001-5,000	1,573 contacts →
	Partial 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 28, 2026
11	Pt. Mora Telematika Indonesia TBK	Partial evidence	Jakarta Pusat, IndonesiaHQ checked Sep 28, 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 28, 2026
12	Tulip Telecom	Strong evidence	New Delhi, IndiaHQ checked Sep 28, 2026	1,001-5,000	1,481 contacts →
	Strong evidence “Tulip Telecom Ltd.(BSE: 532691/NSE: TULIP) is India’s leading Enterprise Communications Service provider.” Source: RevenueBase Database · checked Sep 28, 2026
13	Sofrecom Tunisie	Indirect evidence	Tunis, TunisiaHQ checked Sep 28, 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 28, 2026
14	Italtel	Indirect evidence	Milan, GermanyHQ checked Sep 28, 2026	1,001-5,000	1,279 contacts →
	Indirect evidence “We help our customers to choose the most suitable solutions for the characteristics of their business, to develop the traditional communication technologies they already have in…” Source: RevenueBase Database · checked Sep 28, 2026
15	Integra	Indirect evidence	Vancouver, WA, United StatesHQ checked Sep 28, 2026	501-1,000	1,133 contacts →
	Indirect evidence “Integra is Allstream.” Source: RevenueBase Database · checked Sep 28, 2026
16	CCI Systems	Partial evidence	Iron Mountain, MI, United StatesHQ checked Sep 28, 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 28, 2026
17	Kelly Group	Indirect evidence	Wembley, United KingdomHQ checked Sep 28, 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 28, 2026
18	Bynet Data Communications	Partial evidence	Tel Aviv, IsraelHQ checked Sep 28, 2026	501-1,000	994 contacts →
	Partial evidence “As Israel's leading systems integrator, Bynet Data Communications offers comprehensive solutions and services that provide complete answers to organizations’ ICT and telecom needs.” Source: RevenueBase Database · checked Sep 28, 2026
19	KGPCO	Indirect evidence	Faribault, MN, United StatesHQ checked Sep 28, 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 28, 2026
20	Líder Telecom Ltda	Partial evidence	São Paulo, BrazilHQ checked Sep 28, 2026	1,001-5,000	959 contacts →
	Partial 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 28, 2026
21	NTG Clarity	Strong evidence	Markham, ON, CanadaHQ checked Sep 28, 2026	501-1,000	876 contacts →
	Strong 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 28, 2026
22	Mundivox Communications	Indirect evidence	São Paulo, BrazilHQ checked Sep 28, 2026	501-1,000	819 contacts →
	Indirect evidence “Com mais de 25 anos de experiência, a Mundivox é uma operadora licenciada pela Anatel, especializada em soluções integradas de comunicação para o mercado corporativo.” Source: RevenueBase Database · checked Sep 28, 2026
23	Allied Telesis	Indirect evidence	San Jose, CA, United StatesHQ checked Sep 28, 2026	1,001-5,000	816 contacts →
	Indirect evidence “Our world is increasing in complexity.” Source: RevenueBase Database · checked Sep 28, 2026
24	Nunsys	Indirect evidence	Paterna, SpainHQ checked Sep 28, 2026	1,001-5,000	739 contacts →
	Indirect evidence “NUNSYS es una empresa especializada en la Implantación de Soluciones Integrales de Tecnología.” Source: RevenueBase Database · checked Sep 28, 2026
25	Detecon	Indirect evidence	Cologne, GermanyHQ checked Sep 28, 2026	1,001-5,000	721 contacts →
	Indirect evidence “Detecon makes the future possible, digital, interconnected, and human.” 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: enterprise telecom consultants. 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 enterprise telecom consultants.
Partial evidence: Its own public description names part of enterprise telecom consultants, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name enterprise telecom consultants. 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 16,269 enterprise telecom consultants worldwide

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Enterprise telecom consultants worldwide at a glance

As of Sep 28, 2026

21.2%Verified-email coverage

15.3Average contacts per company

11-50Median size (employees)

1.8%Largest-city concentration · Sao Paulo

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

8,061

11-50

5,703

51-200

1,768

201-500

436

501-1,000

138

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 enterprise telecom consultants, 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 enterprise telecom consultants are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “enterprise telecom consultants”. 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 enterprise telecom consultants), 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 enterprise telecom consultants, 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, 52,695 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.

Enterprise telecom consultants by location

89 lists · largest first

Every Enterprise telecom 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 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 enterprise telecom consultants, 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 enterprise telecom consultants are there worldwide?

RevenueBase identified 16,269 enterprise telecom consultants 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 enterprise telecom consultants?

The United States leads with 3,140 companies, followed by Brazil (1,075) and the United Kingdom (805). Every enterprise telecom consultants list by country and city is linked on this page.

Which city has the most enterprise telecom consultants?

Sao Paulo leads with 285 headquartered companies, followed by London (152) and Madrid (113).

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 52,695 verified decision-maker contacts tracked across these 16,269 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.