Company lists · Data refreshed November 2026

Top 25 Telecom operations consulting companies worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 11,380 companies tracked

RevenueBase identified 11,380 company matches for telecom operations consulting companies worldwide as of November 2026 and tracks 346,370 professional contacts across them, including 50,447 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for telecom operations 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 November 6, 2026. Country and city lists for telecom operations 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 Nov 6, 2026 How this list was built

11,380Companies

346,370Contacts tracked

50,447Verified emails

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The 25 largest telecom operations consulting companies worldwide

Ranked by team size

Top 25 of 11,380 company matches for telecom operations consulting companies 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Turkcell	Exact match	Istanbul, TürkiyeHQ recorded Nov 6, 2026	5,001-10,000	13,929 contacts →
	Exact match “Turkcell is a converged telecommunication and technology services provider, founded and headquartered in Türkiye.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Netcracker Technology	Exact match	Waltham, MA, United StatesHQ recorded Nov 6, 2026	10001+	8,912 contacts →
	Exact match “Netcracker Technology, a wholly owned subsidiary of NEC Corporation, helps service providers around the world transform and grow in the digital economy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Serede	Exact match	Rio De Janeiro, BrazilHQ recorded Nov 6, 2026	10001+	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
4	Mobily	Exact match	Riyadh, Saudi ArabiaHQ recorded Nov 6, 2026	1,001-5,000	7,959 contacts →
	Exact match “Mobily is a Saudi company launched commercially in May 2005.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Ufone 5g	Exact match	Islamabad, PakistanHQ recorded Nov 6, 2026	1,001-5,000	6,607 contacts →
	Exact match “Ufone is a wholly owned subsidiary of Pakistan Telecommunication Company Limited (PTCL).” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Dialog Axiata PLC	Exact match	Colombo 2, Sri LankaHQ recorded Nov 6, 2026	1,001-5,000	5,555 contacts →
	Exact match “Dialog Axiata PLC is Sri Lanka’s flagship telecommunications service provider, which operates Dialog Mobile– the country’s largest mobile network.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Icomon Tecnologia Ltda	Exact match	São Paulo, BrazilHQ recorded Nov 6, 2026	10001+	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
8	GVT	Exact match	São Paulo, BrazilHQ recorded Nov 6, 2026	10001+	5,404 contacts →
	Exact match “A GVT é a empresa nacional que mais cresce no setor de telecomunicações.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Amaris Consulting Part Of Mantu	Exact match	Chêne-bourg, SwitzerlandHQ recorded Nov 6, 2026	5,001-10,000	5,223 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
10	Management Solutions	Exact match	Madrid, SpainHQ recorded Nov 6, 2026	1,001-5,000	4,730 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
11	Tata Communications Transformation Services Tcts	Exact match	Mumbai, DE, IndiaHQ recorded Nov 6, 2026	1,001-5,000	4,595 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
12	Circet	Exact match	Paris, FranceHQ recorded Nov 6, 2026	10001+	4,138 contacts →
	Exact match “A global player in the telecom infrastructure services industry, the Circet Group provides operators, local authorities and key accounts throughout the world with an integrated…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Sunrise	Exact match	Glattpark (opfikon), SwitzerlandHQ recorded Nov 6, 2026	1,001-5,000	3,449 contacts →
	Exact match “Sunrise is Switzerland’s leading challenger in the telecommunications market and is listed on the SIX Swiss Exchange (SUNN).” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Fastweb	Exact match	Milan, ItalyHQ recorded Nov 6, 2026	1,001-5,000	3,325 contacts →
	Exact match “A partire dal 1° gennaio 2026 Fastweb S.p.A.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Claro RD	Exact match	Santo Domingo, Dominican RepublicHQ recorded Nov 6, 2026	1,001-5,000	3,244 contacts →
	Exact match “Acercando sueños, oportunidades y momentos que hacen avanzar al país.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	GTL Limited	Exact match	Navi Mumbai, IndiaHQ recorded Nov 6, 2026	1,001-5,000	2,896 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
17	Procisa DO Brasil	Exact match	São Paulo, BrazilHQ recorded Nov 6, 2026	1,001-5,000	2,852 contacts →
	Exact match “Prazer, somos a Procisa do Brasil!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Starhub	Exact match	SingaporeHQ recorded Nov 6, 2026	1,001-5,000	2,798 contacts →
	Exact match “StarHub is a leading homegrown Singapore company that connects people, businesses and communities to the possibilities of the digital world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	LCC	Exact match	Mclean, United StatesHQ recorded Nov 6, 2026	5,001-10,000	2,335 contacts →
	Exact match “In Feb.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Beeline Russia	Exact match	Moscow, RussiaHQ recorded Nov 6, 2026	10001+	2,119 contacts →
	Exact match “VimpelCom is one of the world’s largest integrated telecommunications services operators providing voice and data services through a range of traditional and broadband mobile and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Ability Tecnologia E Serviços S A	Exact match	Osasco, BrazilHQ recorded Nov 6, 2026	1,001-5,000	2,028 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
22	Cellcom	Exact match	Netanya, IsraelHQ recorded Nov 6, 2026	1,001-5,000	1,963 contacts →
	Exact match “סלקום הינה קבוצת תקשורת מובילה וספקית הסלולר מהגדולות בישראל, המספקת מגוון רחב של שירותים כגון שירותי טלפון סלולרי, שירותי נדידה, הודעות טקסט ומולטימדיה, שירותי מידע מתקדמים…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Taiwan Mobile	Exact match	Taipei, TaiwanHQ recorded Nov 6, 2026	1,001-5,000	1,909 contacts →
	Exact match “Taiwan Mobile Co.(TWM) is a leading telecom operator providing mobile, fixed-line, cable TV, and broadband services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Camusat	Exact match	Paris, FranceHQ recorded Nov 6, 2026	1,001-5,000	1,852 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
25	Bell Technical Solutions	Exact match	Mississauga, ON, CanadaHQ recorded Nov 6, 2026	1,001-5,000	1,848 contacts →
	Exact match “Bell Technical Solutions is a subsidiary of Canada’s largest communications company, our purpose is to advance how Canadians connect with each other and the world.” Recorded in the RevenueBase company graph · Nov 6, 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 operations 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 11,380 telecom operations consulting companies worldwide

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Telecom operations consulting companies worldwide at a glance

As of Nov 6, 2026

14.6%Verified-email coverage

30.4Average contacts per company

11-50Median size (employees)

2.0%Largest-city concentration · Sao Paulo

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

5,444

11-50

3,654

51-200

1,407

201-500

445

501-1,000

161

1,001-5,000

124

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 operations consulting companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “telecom operations 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 50,447 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.

Telecom operations consulting companies by location

71 lists · largest first

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

How many telecom operations consulting companies are there worldwide?

RevenueBase identified 11,380 company matches for telecom operations consulting companies 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?

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

Which country has the most telecom operations consulting companies?

The United States leads with 1,794 companies, followed by Brazil (1,016) and the United Kingdom (610). Every telecom operations consulting companies list by country and city is linked on this page.

Which city has the most telecom operations consulting companies?

Sao Paulo leads with 231 company records, followed by London (145) and Madrid (98).

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 50,447 professional contacts with verified work emails tracked across these 11,380 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.