Company lists · Data refreshed November 2026

Top 25 Telecommunications consultants worldwide

RevenueBase identified 39,189 company matches for telecommunications consultants worldwide as of November 2026 and tracks 657,879 professional contacts across them, including 132,564 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for telecommunications 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 November 6, 2026. Country and city lists for telecommunications 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 Nov 6, 2026 How this list was built
39,189Companies
657,879Contacts tracked
132,564Verified emails
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The 25 largest telecommunications consultants worldwide

Ranked by team size
Top 25 of 39,189 company matches for telecommunications consultants worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchRio De Janeiro, BrazilHQ recorded Nov 6, 202610001+8,708 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 · Nov 6, 2026 · View company records in RevenueBase
2Exact matchEast Moline, ON, United StatesHQ recorded Nov 6, 20265,001-10,0008,131 contacts →

Exact match

“YASH Technologies is a consulting-led transformation partner with a proven track record of helping customers address their current and prospective digital transformation…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact match100-101 Terrasse Boieldieu, FranceHQ recorded Nov 6, 20261,001-5,0006,512 contacts →

Exact match

“Wavestone is a leading consulting firm operating at the intersection of business and technology.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchSão Paulo, BrazilHQ recorded Nov 6, 202610001+5,504 contacts →

Exact match

“A Icomon atua há 37 anos com alta performance em tecnologia e telecomunicações.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchChêne-bourg, SwitzerlandHQ recorded Nov 6, 20265,001-10,0005,223 contacts →

Exact match

“Amaris Consulting is an independent technology consulting firm providing guidance and solutions to businesses.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchMadrid, SpainHQ recorded Nov 6, 20261,001-5,0004,730 contacts →

Exact match

“Management Solutions is a leading provider of business consulting services for regulated industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchMumbai, DE, IndiaHQ recorded Nov 6, 20261,001-5,0004,595 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 · Nov 6, 2026 · View company records in RevenueBase
8Exact matchCbd, New ZealandHQ recorded Nov 6, 20265,001-10,0004,233 contacts →

Exact match

“In today’s fast-paced digital world, Spark is here to help all New Zealanders stay ahead.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchKronberg Im Taunus, GermanyHQ recorded Nov 6, 202610001+3,586 contacts →

Exact match

“Über Accenture: Wir sind die weltweit führenden Berater für Strategie, Management, Digitalisierung, Technologie, Outsourcing und Business Transformation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchMilan, ItalyHQ recorded Nov 6, 20261,001-5,0003,042 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 · Nov 6, 2026 · View company records in RevenueBase
11Exact matchNavi Mumbai, IndiaHQ recorded Nov 6, 20261,001-5,0002,896 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 · Nov 6, 2026 · View company records in RevenueBase
12Exact matchGurgaon, IndiaHQ recorded Nov 6, 202610001+2,862 contacts →

Exact match

“The B2B arm of Bharti Airtel, we are India's leading provider of secure and reliable connectivity, technology, and communications solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchSão Paulo, BrazilHQ recorded Nov 6, 20261,001-5,0002,852 contacts →

Exact match

“Prazer, somos a Procisa do Brasil!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchPlano, United StatesHQ recorded Nov 6, 20261,001-5,0002,744 contacts →

Exact match

“At Diversified, we leverage the best in technology and ongoing advisory services to transform businesses.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchQuincy, MA, United StatesHQ recorded Nov 6, 20261,001-5,0002,395 contacts →

Exact match

“Granite is a dynamic and rapidly growing company serving the exciting and demanding Telecommunications market.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchMclean, United StatesHQ recorded Nov 6, 20265,001-10,0002,335 contacts →

Exact match

“In Feb.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchTokyo, JapanHQ recorded Nov 6, 202610001+2,238 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 · Nov 6, 2026 · View company records in RevenueBase
18Exact matchOslo, NorwayHQ recorded Nov 6, 20261,001-5,0002,111 contacts →

Exact match

“Bouvet er et ledende skandinavisk konsulentselskap som leverer tjenester innenfor teknologi, kommunikasjon og virksomhetsstyring.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchOsasco, BrazilHQ recorded Nov 6, 20261,001-5,0002,028 contacts →

Exact match

“Com mais de funcionários, a Ability Tecnologia e Serviços S.A.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchSan Jose, CA, United StatesHQ recorded Nov 6, 20261,001-5,0001,906 contacts →

Exact match

“Infinera is now part of Nokia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchParis, FranceHQ recorded Nov 6, 20261,001-5,0001,852 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 · Nov 6, 2026 · View company records in RevenueBase
22Exact matchJakarta Pusat, IndonesiaHQ recorded Nov 6, 20261,001-5,0001,772 contacts →

Exact match

“Since its establishment in 1990, PT.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchMontreal, QC, CanadaHQ recorded Nov 6, 20261,001-5,0001,658 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 · Nov 6, 2026 · View company records in RevenueBase
24Exact matchNew Delhi, IndiaHQ recorded Nov 6, 20261,001-5,0001,601 contacts →

Exact match

“Tulip Telecom Ltd.(BSE: 532691/NSE: TULIP) is India’s leading Enterprise Communications Service provider.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchJakarta Pusat, IndonesiaHQ recorded Nov 6, 20261,001-5,0001,573 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 · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 39,189 telecommunications consultants worldwide

See the full list, filter by size, metro and specialty, and access 132,564 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Telecommunications consultants worldwide at a glance

As of Nov 6, 2026
20.2%Verified-email coverage
16.8Average contacts per company
1-10Median size (employees)
1.4%Largest-city concentration · Sao Paulo
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
19,774
11-50
13,103
51-200
4,210
201-500
1,045
501-1,000
366
1,001-5,000
237
5,001-10,000
48
10001+
57

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 telecommunications consultants are linked below.
What qualifies
Company records worldwide whose business descriptions match “telecommunications 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 132,564 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 November 6, 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.

Telecommunications consultants by location

210 lists · largest first

Every Telecommunications 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 “telecommunications consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many telecommunications consultants are there worldwide?

RevenueBase identified 39,189 company matches for telecommunications consultants worldwide as of November 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 telecommunications consultants?

The United States leads with 8,034 companies, followed by Brazil (2,491) and the United Kingdom (2,487). Every telecommunications consultants list by country and city is linked on this page.

Which city has the most telecommunications consultants?

Sao Paulo leads with 547 company records, followed by London (520) and Paris (253).

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 132,564 professional contacts with verified work emails tracked across these 39,189 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 November 6, 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.