Company lists · Data refreshed November 2026

Top 25 Telecom operations consultants worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 19,229 companies tracked

RevenueBase identified 19,229 company matches for telecom operations consultants worldwide as of November 2026 and tracks 309,424 professional contacts across them, including 66,814 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 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 telecom operations 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

19,229Companies

309,424Contacts tracked

66,814Verified emails

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The 25 largest telecom operations consultants worldwide

Ranked by team size

Top 25 of 19,229 company matches for telecom operations 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	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
2	Yash Technologies	Exact match	East Moline, ON, United StatesHQ recorded Nov 6, 2026	5,001-10,000	8,131 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
3	Wavestone	Exact match	100-101 Terrasse Boieldieu, FranceHQ recorded Nov 6, 2026	1,001-5,000	6,512 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
4	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
5	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
6	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
7	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
8	Accenture Dach	Exact match	Kronberg Im Taunus, GermanyHQ recorded Nov 6, 2026	10001+	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
9	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
10	Speridian Technologies	Exact match	Albuquerque, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,668 contacts →
	Exact match “Speridian Technologies is a global consulting and technology services firm that helps enterprises and public sector organizations modernize operations, enhance customer experience…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	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
12	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
13	Argano	Exact match	Plano, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,854 contacts →
	Exact match “Argano is the world’s first and largest digital services consultancy focused exclusively on enabling high performance across our clients’ business operations, at scale and around…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	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
15	Nihilent	Exact match	Pune, IndiaHQ recorded Nov 6, 2026	1,001-5,000	1,764 contacts →
	Exact match “Nihilent is a Global Consulting and Services Company using a human-centred approach for problem-solving and change management, Nihilent’s comprehensive range of expertise in…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Sofrecom Tunisie	Exact match	Tunis, TunisiaHQ recorded Nov 6, 2026	1,001-5,000	1,479 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 · Nov 6, 2026 · View company records in RevenueBase
17	Pierian Services	Exact match	Bangalore, IndiaHQ recorded Nov 6, 2026	1,001-5,000	1,449 contacts →
	Exact match “Founded in 2002, PIERIAN Services is a leading Global Business Services company, providing a range of services and solutions in strategy, consulting, and operations management.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Trace3	Exact match	Irvine, MI, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,431 contacts →
	Exact match “Trace3 delivers business transformation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Hitech Digital Solutions	Exact match	Ahmedabad, IndiaHQ recorded Nov 6, 2026	1,001-5,000	1,326 contacts →
	Exact match “HitechDigital is an integrated digital solutions company focused on end-to-end process management and optimization, but we are not just your typical digital solutions company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Orange Services	Exact match	Bucharest, RomaniaHQ recorded Nov 6, 2026	1,001-5,000	1,248 contacts →
	Exact match “Orange Services was created in 2013 and is a 100% owned subsidiary of Orange Group.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	GMS	Exact match	Lisbon, PortugalHQ recorded Nov 6, 2026	201-500	1,235 contacts →
	Exact match “GMS was established in early 2003 to provide strategic, business and IT consulting and changed its name to Maksen in December 2010.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Líder Telecom Ltda	Exact match	São Paulo, BrazilHQ recorded Nov 6, 2026	1,001-5,000	1,172 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 · Nov 6, 2026 · View company records in RevenueBase
23	CCI Systems	Exact match	Iron Mountain, MI, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,157 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 · Nov 6, 2026 · View company records in RevenueBase
24	Colvatel	Exact match	Bogota, ColombiaHQ recorded Nov 6, 2026	1,001-5,000	1,102 contacts →
	Exact match “33 años diseñando la infraestructura técnica que mueve a Colombia.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Visagio	Exact match	Rio De Janeiro, BrazilHQ recorded Nov 6, 2026	501-1,000	1,063 contacts →
	Exact match “A Visagio Group company.” 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 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 19,229 telecom operations consultants worldwide

See the full list, filter by size, metro and specialty, and access 66,814 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Telecom operations consultants worldwide at a glance

As of Nov 6, 2026

21.6%Verified-email coverage

16.1Average contacts per company

1-10Median size (employees)

1.7%Largest-city concentration · Sao Paulo

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

11,403

11-50

5,217

51-200

1,728

201-500

470

501-1,000

149

1,001-5,000

113

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 consultants are linked below.
What qualifies: Company records worldwide whose business descriptions match “telecom operations 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 66,814 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 consultants by location

121 lists · largest first

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

How many telecom operations consultants are there worldwide?

RevenueBase identified 19,229 company matches for telecom operations 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 telecom operations consultants?

The United States leads with 3,875 companies, followed by Brazil (1,270) and the United Kingdom (1,036). Every telecom operations consultants list by country and city is linked on this page.

Which city has the most telecom operations consultants?

Sao Paulo leads with 325 company records, followed by London (319) and Paris (210).

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 66,814 professional contacts with verified work emails tracked across these 19,229 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.