Company lists · Data refreshed September 2026

Top 25 Telecom vendor management consultants worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Sep 6, 2026 3,420 companies tracked

RevenueBase identified 3,420 telecom vendor management consultants worldwide as of September 2026 and tracks 62,453 professional contacts across them, including 11,481 with verified work emails and 6,760 with mobile numbers. The United States is the largest market and Sao Paulo the largest hub.

This list covers telecom vendor management 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 6, 2026. Country and city lists for telecom vendor management 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 6, 2026 86% judged on-target in blind review

3,420Companies

62,453Contacts tracked

11,481Verified emails

6,760Mobile numbers

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The 25 largest telecom vendor management consultants worldwide

Ranked by team size

Top 25 of 3,420 telecom vendor management consultants worldwide, ranked by team size, largest first. Data refreshed Sep 6, 2026. RevenueBase Smart Search rates how each company's information relates to telecom vendor management 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	Tata Communications Transformation Services Tcts	Indirect evidence	Mumbai, IndiaHQ checked Sep 6, 2026	1,001-5,000	4,599 contacts →
	Indirect evidence “Tata Communications Transformation Services (TCTS), a 100% subsidiary of Tata Communications Ltd, provides business transformation, managed network operations, network…” Source: RevenueBase Database · checked Sep 6, 2026
2	GTL Limited	Partial evidence	Navi Mumbai, IndiaHQ checked Sep 6, 2026	1,001-5,000	2,780 contacts →
	Partial 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 6, 2026
3	LCC	Indirect evidence	Mclean, VA, United StatesHQ checked Sep 6, 2026	5,001-10,000	2,193 contacts →
	Indirect evidence “In Feb.” Source: RevenueBase Database · checked Sep 6, 2026
4	KGPCO	Indirect evidence	Faribault, MN, United StatesHQ checked Sep 6, 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 6, 2026
5	SAKON	Partial evidence	Concord, MA, United StatesHQ checked Sep 6, 2026	501-1,000	944 contacts →
	Partial evidence “Sakon helps enterprise clients in a wide range of industries control telecom spend and manage end-user devices more efficiently.” Source: RevenueBase Database · checked Sep 6, 2026
6	Wds-Sicap	Strong evidence	Baar, SwitzerlandHQ checked Sep 6, 2026	n/a	777 contacts →
	Strong evidence “We are leading provider of telecom business intelligence and device management solutions.” Source: RevenueBase Database · checked Sep 6, 2026
7	OFG	Partial evidence	Córdoba, SpainHQ checked Sep 6, 2026	1,001-5,000	701 contacts →
	Partial evidence “OFG is an international company with more than 20 years of experience in the telecommunications sector.” Source: RevenueBase Database · checked Sep 6, 2026
8	Teleysia Networks I Pvt. LTD	Strong evidence	Ahmedabad, IndiaHQ checked Sep 6, 2026	501-1,000	698 contacts →
	Strong evidence “Teleysia Networks has started operations since April 2008 and it is an innovative, efficient and effective solution providing telecom Consultancy Company with mission to become…” Source: RevenueBase Database · checked Sep 6, 2026
9	Teleindia Networks PVT LTD	Partial evidence	Bangalore, IndiaHQ checked Sep 6, 2026	501-1,000	669 contacts →
	Partial evidence “Teleindia began its India operations in 2006, in the telecom vertical as a ‘Service Provider’ business unit with proven expertise, quality standards and efficient delivery…” Source: RevenueBase Database · checked Sep 6, 2026
10	Linkquest Technologies Limited	Partial evidence	Noida, IndiaHQ checked Sep 6, 2026	501-1,000	662 contacts →
	Partial evidence “At LinkQuest, we specialize in optimizing the efficiency and performance of telecom networks.” Source: RevenueBase Database · checked Sep 6, 2026
11	Nextgen GTA A Kelly Telecom Company	Partial evidence	San Diego, CA, United StatesHQ checked Sep 6, 2026	501-1,000	560 contacts →
	Partial evidence “As part of KELLY’s SETT (Science, Engineering, Technology, and Telecom) Business Unit, we are committed to providing state-of-the-art digital infrastructure and telecom…” Source: RevenueBase Database · checked Sep 6, 2026
12	NR Switch -N- Radio Services Pvt. LTD	Partial evidence	Kota, IndiaHQ checked Sep 6, 2026	501-1,000	536 contacts →
	Partial evidence “As an established player in telecom services industry and a long standing partner to a wide range of operators and vendors, NR fully understands the complete process of Planning…” Source: RevenueBase Database · checked Sep 6, 2026
13	Connect44	Partial evidence	Lucerne, SwitzerlandHQ checked Sep 6, 2026	1,001-5,000	517 contacts →
	Partial evidence “The Only Telecoms Service Provider You Need As one of Europe’s largest independent, vendor-agnostic, fixed & mobile services and solutions providers, we offer a comprehensive…” Source: RevenueBase Database · checked Sep 6, 2026
14	NAE	Partial evidence	Barcelona, SpainHQ checked Sep 6, 2026	501-1,000	503 contacts →
	Partial evidence “Nae is an international consulting firm specialized in the telecom sector, providing deal & strategy, business, and technology advisory services.” Source: RevenueBase Database · checked Sep 6, 2026
15	Telecom Network Solutions Private Limited	Strong evidence	Noida, IndiaHQ checked Sep 6, 2026	501-1,000	496 contacts →
	Strong evidence “Telecom Network Solutions is providing services in Project Management & Planning, RF & MW surveys, Network implementation and Telecom Training.” Source: RevenueBase Database · checked Sep 6, 2026
16	Turnotech INC	Indirect evidence	Redmond, WA, United StatesHQ checked Sep 6, 2026	501-1,000	426 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 6, 2026
17	Acuative	Indirect evidence	Fairfield, NJ, United StatesHQ checked Sep 6, 2026	501-1,000	401 contacts →
	Indirect evidence “Leveraging a powerful combination of expertise, round-the-clock availability, and extensive technical resources for over 40 years!” Source: RevenueBase Database · checked Sep 6, 2026
18	Commcenter	Partial evidence	A Coruña, SpainHQ checked Sep 6, 2026	501-1,000	372 contacts →
	Partial evidence “CommCenter es uno de los distribuidores de telecomunicaciones independientes de mayor impacto en nuestro país.” Source: RevenueBase Database · checked Sep 6, 2026
19	PCT International, INC	Partial evidence	Tempe, AZ, United StatesHQ checked Sep 6, 2026	201-500	344 contacts →
	Partial evidence “Innovation for the Last Mile® PCT International, Inc is at the forefront of an evolving industry with superior telecom solutions.” Source: RevenueBase Database · checked Sep 6, 2026
20	Evolve Technologies And Services P LTD	Partial evidence	Pune, IndiaHQ checked Sep 6, 2026	1,001-5,000	326 contacts →
	Partial evidence “Evolve Technologies established in 1991, is one of the Top Telecom Recruitment Agency in India, offering a range of recruitment services to Telecom and Telecom Ancillary Sector.” Source: RevenueBase Database · checked Sep 6, 2026
21	Clarke Telecom	Partial evidence	Manchester, United KingdomHQ checked Sep 6, 2026	201-500	312 contacts →
	Partial evidence “Clarke Telecom carries out every aspect of wireless telecoms network infrastructure delivery.” Source: RevenueBase Database · checked Sep 6, 2026
22	Cartesian	Partial evidence	London, United KingdomHQ checked Sep 6, 2026	201-500	302 contacts →
	Partial evidence “Cartesian is a specialist consulting firm focused on the global telecommunications, media, and technology industries and is now part of Bounteous, an AI services firm helping…” Source: RevenueBase Database · checked Sep 6, 2026
23	Startech Networks INC	Indirect evidence	Plano, TX, United StatesHQ checked Sep 6, 2026	201-500	290 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 6, 2026
24	Verveba Telecom	Partial evidence	Richardson, TX, United StatesHQ checked Sep 6, 2026	501-1,000	289 contacts →
	Partial evidence “Verveba Telecom delivers strategic telecom engineering services and solutions globally, empowering operators, OEMs, and enterprises to accelerate their 5G transformation.” Source: RevenueBase Database · checked Sep 6, 2026
25	Magdalene	Partial evidence	St Ives, United KingdomHQ checked Sep 6, 2026	201-500	273 contacts →
	Partial evidence “Magdalene provides comprehensive independent solutions which address the individual needs of our customers throughout the Telecommunications Industry.” Source: RevenueBase Database · checked Sep 6, 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: telecom vendor management 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 telecom vendor management consultants.
Partial evidence: Its own public description names part of telecom vendor management consultants, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name telecom vendor management 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 3,420 telecom vendor management consultants worldwide

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Telecom vendor management consultants worldwide at a glance

As of Sep 6, 2026

18.4%Verified-email coverage

10.8%Mobile-number coverage

18.3Average contacts per company

1-10Median size (employees)

2.7%Largest-city concentration · Sao Paulo

Sep 6, 2026Page data refreshed

Companies by employee count

1-10

1,857

11-50

1,056

51-200

356

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 telecom vendor management 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: 18 countries, largest first: the United States, Brazil, the United Kingdom, India, France, Germany, Spain, Canada, Italy, the Netherlands and 8 more. Country and city lists for telecom vendor management consultants are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “telecom vendor management 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 telecom vendor management 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 telecom vendor management 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, 11,481 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 between September 6, 2026 and September 14, 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.

Telecom vendor management consultants by location

24 lists · largest first

Every Telecom vendor management 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 telecom vendor management 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 telecom vendor management consultants are there worldwide?

RevenueBase identified 3,420 telecom vendor management 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?

Tata Communications Transformation Services Tcts, headquartered in Mumbai, tops this list with the largest team on record.

Which country has the most telecom vendor management consultants?

The United States leads with 1,234 companies, followed by Brazil (354) and the United Kingdom (309). Every telecom vendor management consultants list by country and city is linked on this page.

Which city has the most telecom vendor management consultants?

Sao Paulo leads with 91 headquartered companies, followed by London (74) and Paris (56).

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 11,481 verified decision-maker contacts tracked across these 3,420 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled from the company graph between September 6, 2026 and September 14, 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.