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 company matches for 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 company matches for enterprise telecom 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 enterprise telecom 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

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 company matches for enterprise telecom 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	Serede	Exact match	Rio De Janeiro, BrazilHQ recorded Sep 28, 2026	10001+	8,011 contacts →
	Exact match “A Serede é uma empresa prestadora de serviços de implantação e manutenção em redes de Telecom, fundada em 06 de agosto de 2007.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Amaris Consulting	Exact match	Chêne-bourg, SwitzerlandHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
3	GTL Limited	Exact match	Navi Mumbai, IndiaHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
4	Spread Tecnologia	Exact match	São Paulo, BrazilHQ recorded Sep 28, 2026	1,001-5,000	2,521 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Sirti S.P.A	Exact match	Sesto San Giovanni (mi), ItalyHQ recorded Sep 28, 2026	1,001-5,000	2,332 contacts →
	Exact match “Sirti is Italy's leading technology company in the design and production of network infrastructures and telecoms system integration.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	LCC	Exact match	Mclean, VA, United StatesHQ recorded Sep 28, 2026	5,001-10,000	2,193 contacts →
	Exact match “In Feb.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Kddi Corporation	Exact match	Tokyo, JapanHQ recorded Sep 28, 2026	10001+	1,966 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	IES Communications	Exact match	Tempe, AZ, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,800 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	Camusat	Exact match	Paris, FranceHQ recorded Sep 28, 2026	1,001-5,000	1,726 contacts →
	Exact match “Camusat is one of the market leaders in the implementation of telecom infrastructures and one of the most experienced network developers.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Telecon	Exact match	Montreal, QC, CanadaHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
11	Pt. Mora Telematika Indonesia TBK	Exact match	Jakarta Pusat, IndonesiaHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
12	Tulip Telecom	Exact match	New Delhi, IndiaHQ recorded Sep 28, 2026	1,001-5,000	1,481 contacts →
	Exact match “Tulip Telecom Ltd.(BSE: 532691/NSE: TULIP) is India’s leading Enterprise Communications Service provider.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Sofrecom Tunisie	Exact match	Tunis, TunisiaHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
14	Italtel	Exact match	Milan, GermanyHQ recorded Sep 28, 2026	1,001-5,000	1,279 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Integra	Exact match	Vancouver, WA, United StatesHQ recorded Sep 28, 2026	501-1,000	1,133 contacts →
	Exact match “Integra is Allstream.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	CCI Systems	Exact match	Iron Mountain, MI, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
17	Kelly Group	Exact match	Wembley, United KingdomHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
18	Bynet Data Communications	Exact match	Tel Aviv, IsraelHQ recorded Sep 28, 2026	501-1,000	994 contacts →
	Exact match “As Israel's leading systems integrator, Bynet Data Communications offers comprehensive solutions and services that provide complete answers to organizations’ ICT and telecom needs.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	KGPCO	Exact match	Faribault, MN, United StatesHQ recorded Sep 28, 2026	1,001-5,000	974 contacts →
	Exact match “KGPCo is a key strategic partner to the world’s leading communication and technology companies creating the next generation of networks.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Líder Telecom Ltda	Exact match	São Paulo, BrazilHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
21	NTG Clarity	Exact match	Markham, ON, CanadaHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
22	Mundivox Communications	Exact match	São Paulo, BrazilHQ recorded Sep 28, 2026	501-1,000	819 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Allied Telesis	Exact match	San Jose, CA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	816 contacts →
	Exact match “Our world is increasing in complexity.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Nunsys	Exact match	Paterna, SpainHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
25	Detecon	Exact match	Cologne, GermanyHQ recorded Sep 28, 2026	1,001-5,000	721 contacts →
	Exact match “Detecon makes the future possible, digital, interconnected, and human.” 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 “enterprise telecom 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 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

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 enterprise telecom consultants are linked below.
What qualifies: Company records worldwide whose business descriptions match “enterprise telecom 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 52,695 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.

Enterprise telecom consultants by location

90 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 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 “enterprise telecom consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many enterprise telecom consultants are there worldwide?

RevenueBase identified 16,269 company matches for enterprise telecom 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?

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

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 company records, 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 limited free results with 500 credits to start. Upgrading provides access to the 52,695 professional contacts with verified work emails tracked across these 16,269 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.