Company lists · Data refreshed September 2026

Telecom contract negotiation firms: the worldwide list

Name: Telecom contract negotiation firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 3,014 companies across 15 countries

RevenueBase identified 3,014 telecom contract negotiation firms across the 15 countries with a published list, as of September 2026, and tracks 31,787 professional contacts across them, including 6,852 with verified work emails and 0 with mobile numbers. The United States is the largest market and Sao Paulo the largest hub.

This is the worldwide list of telecom contract negotiation firms: the 15 country lists RevenueBase publishes for the category, summed and ranked as one. The company count is that sum, not a census of every company on earth; a country with no published list is not counted. 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 19, 2026.

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 19, 2026 86% judged on-target in blind review

3,014Companies

31,787Contacts tracked

6,852Verified emails

0Mobile numbers

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The 25 largest telecom contract negotiation firms across the 15 countries with a published list

Ranked by team size

Top 25 of 3,014 telecom contract negotiation firms across the 15 countries with a published list, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to telecom contract negotiation firms: 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	Management Solutions	Indirect evidence	Madrid, SpainHQ checked Sep 19, 2026	1,001-5,000	4,468 contacts →
	Indirect evidence “Management Solutions is a leading provider of business consulting services for regulated industries.” Source: RevenueBase Database · checked Sep 19, 2026
2	CCI Systems	Partial evidence	Iron Mountain, MI, United StatesHQ checked Sep 19, 2026	1,001-5,000	1,077 contacts →
	Partial evidence “CCI Systems is an employee-owned solution provider specializing in telecommunications, comprehensive network assessments, industry-leading engineering, drafting and design…” Source: RevenueBase Database · checked Sep 19, 2026
3	OFG	Partial evidence	Córdoba, SpainHQ checked Sep 19, 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 19, 2026
4	Aliança SUL	Partial evidence	Curitiba, BrazilHQ checked Sep 19, 2026	501-1,000	590 contacts →
	Partial evidence “A Aliança Sul possui 30 anos de experiência comercial e 20 anos de Consultoria Telecom e uma estrutura de gestão focada no resultado crescente, com a premissa básica de oferecer a…” Source: RevenueBase Database · checked Sep 19, 2026
5	NAE	Partial evidence	Barcelona, SpainHQ checked Sep 19, 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 19, 2026
6	Cartesian	Partial evidence	London, United KingdomHQ checked Sep 19, 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 19, 2026
7	AGH Consulting	Indirect evidence	Paris, FranceHQ checked Sep 19, 2026	201-500	269 contacts →
	Indirect evidence “Le Groupe AGH Consulting est né en France en 2005, avec pour ambition de proposer une alternative disruptive au marché.” Source: RevenueBase Database · checked Sep 19, 2026
8	Avant Communications	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 19, 2026	51-200	263 contacts →
	Indirect evidence “As the nation’s premier distributor of next generation technologies, AVANT has the resources and relationships needed to successfully navigate the ever-changing world of…” Source: RevenueBase Database · checked Sep 19, 2026
9	CNS Communications	Partial evidence	Lyon, FranceHQ checked Sep 19, 2026	51-200	223 contacts →
	Partial evidence “We are independent experts in networking and telecommunications.” Source: RevenueBase Database · checked Sep 19, 2026
10	Advantage Communications Group	Indirect evidence	Port Washington, NY, United StatesHQ checked Sep 19, 2026	51-200	198 contacts →
	Indirect evidence “Advantage mitigates the complexity of navigating a constantly evolving IT landscape.” Source: RevenueBase Database · checked Sep 19, 2026
11	Vivo Empresas GO	Partial evidence	Goias, BrazilHQ checked Sep 19, 2026	n/a	178 contacts →
	Partial evidence “Somos especialistas em telecomunicações para empresas, contamos com atendimento diferenciado e exclusivo, respeitando e satisfazendo o perfil do cliente.” Source: RevenueBase Database · checked Sep 19, 2026
12	Verità Telecommunications Corporation	Partial evidence	Plymouth, MI, United StatesHQ checked Sep 19, 2026	201-500	150 contacts →
	Partial evidence “Our vision is to build a turnkey communications contractor that is second to none in product quality, customer service, and delivering your project to the marketplace.” Source: RevenueBase Database · checked Sep 19, 2026
13	MTCI	Partial evidence	Cincinnati, OH, United StatesHQ checked Sep 19, 2026	11-50	138 contacts →
	Partial evidence “MTCI serves businesses in defining, developing and executing more efficient, functional and cost-effective telecommunications programs.” Source: RevenueBase Database · checked Sep 19, 2026
14	Solintel	Partial evidence	Londrina, BrazilHQ checked Sep 19, 2026	51-200	126 contacts →
	Partial evidence “We're a nationally known company compromised with helping providers and telecom companies on beeing seen, with business management and regulations in order to grow in a fast and…” Source: RevenueBase Database · checked Sep 19, 2026
15	World Wireless Solutions INC	Partial evidence	Toronto, ON, CanadaHQ checked Sep 19, 2026	51-200	123 contacts →
	Partial evidence “World Wireless Solutions is an IT & Telecommunications consulting firm that has evolved into one of the fastest growing premier technologies consulting firms since its foundation…” Source: RevenueBase Database · checked Sep 19, 2026
16	Renodis	Partial evidence	St. Paul, MN, United StatesHQ checked Sep 19, 2026	51-200	120 contacts →
	Partial evidence “As your telecom and utility solutions partner, we are dedicated to delivering unparalleled customer support, optimizing processes and compliance for increased efficiency, and…” Source: RevenueBase Database · checked Sep 19, 2026
17	Gibson Quai International GQI	Indirect evidence	Melbourne, AustraliaHQ checked Sep 19, 2026	51-200	113 contacts →
	Indirect evidence “Your Trusted Partner in Digital Transformation and Communications Technology 30 Years of Innovation And Expertise GQI has been a trusted advisor and professional services provider…” Source: RevenueBase Database · checked Sep 19, 2026
18	Telecommunications Technical Services	Partial evidence	Alpharetta, GA, United StatesHQ checked Sep 19, 2026	51-200	112 contacts →
	Partial evidence “Telecommunications Technical Services (TTS) is an international full service Telecommunications Consulting, Engineering, and Implementation company specializing in Cellular and…” Source: RevenueBase Database · checked Sep 19, 2026
19	Sagent	Partial evidence	Coppell, TX, United StatesHQ checked Sep 19, 2026	51-200	111 contacts →
	Partial evidence “As a seasoned professional in the telecommunications and hospitality industry, we specialize in helping organizations optimize their network infrastructure, processes and overall…” Source: RevenueBase Database · checked Sep 19, 2026
20	ICT Consulting	Partial evidence	Milano, ItalyHQ checked Sep 19, 2026	11-50	111 contacts →
	Partial evidence “ICT CONSULTING is a technical-strategic consulting company focused on the Telecommunications and Information Technology sector.” Source: RevenueBase Database · checked Sep 19, 2026
21	M3 Management Consulting Gmbh	Partial evidence	Ismaning/münchen, GermanyHQ checked Sep 19, 2026	51-200	108 contacts →
	Partial evidence “m3 management consulting is a consultancy focused around the network industry (such as utilities and telecommunications), that combines traditional management consulting and…” Source: RevenueBase Database · checked Sep 19, 2026
22	Vatic Outsourcing	Partial evidence	Atlanta, GA, United StatesHQ checked Sep 19, 2026	51-200	98 contacts →
	Partial evidence “Our mission at Vatic Outsourcing is to identify ways to effectively reduce your telecom budget - and help you manage all your business communications more efficiently.” Source: RevenueBase Database · checked Sep 19, 2026
23	Engage FI	Indirect evidence	Orlando, FL, United StatesHQ checked Sep 19, 2026	51-200	94 contacts →
	Indirect evidence “Engage fi was founded on the principle of putting ourselves in our clients’ shoes to understand their needs, their business objectives, and their definition of success.” Source: RevenueBase Database · checked Sep 19, 2026
24	Widelity, INC	Indirect evidence	Fairfax, United StatesHQ checked Sep 19, 2026	51-200	92 contacts →
	Indirect evidence “Founded in 2006, Widelity is a leading provider of business and network engineering consulting to global technology driven industries.” Source: RevenueBase Database · checked Sep 19, 2026
25	S-Kon Gruppe	Indirect evidence	Hamburg, GermanyHQ checked Sep 19, 2026	501-1,000	92 contacts →
	Indirect evidence “Seit 2003 sind wir erfolgreich als Fullservice Dienstleister in der Telekommunikationsbranche tätig.” Source: RevenueBase Database · checked Sep 19, 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 contract negotiation firms. 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 contract negotiation firms.
Partial evidence: Its own public description names part of telecom contract negotiation firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name telecom contract negotiation firms. 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 3,014 telecom contract negotiation firms across the 15 countries with a published list

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Telecom contract negotiation firms worldwide at a glance

As of Sep 19, 2026

21.6%Verified-email coverage

10.5Average contacts per company

1-10Median size (employees)

3.6%Largest-city concentration · Sao Paulo

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

1,872

11-50

869

51-200

216

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 contract negotiation firms, 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: This worldwide list is the sum of the 15 country lists RevenueBase publishes for telecom contract negotiation firms, largest first: the United States, Brazil, the United Kingdom, Spain, France, Italy, Germany, Canada, Australia, the Netherlands and 5 more. Its company and contact totals add up those lists, so they understate the true worldwide figures: a country with no published list is not counted. The ranked table is exact across the countries covered, the largest companies of every country list ranked together with duplicates removed.
What qualifies: Companies worldwide whose own description of what they do matches “telecom contract negotiation firms”. 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 contract negotiation firms), 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 contract negotiation firms, 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, 6,852 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: The country lists behind this page were pulled from the company graph on September 19, 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 contract negotiation firms by location

15 lists · largest first

Every Telecom contract negotiation firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date; the worldwide figures above are the sum of the 15 country lists.

Countries

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 contract negotiation firms, 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 contract negotiation firms are there worldwide?

RevenueBase identified 3,014 telecom contract negotiation firms across the 15 countries with a published list, as of September 2026, matched on each company's own description of what it does rather than its industry code. The figure is the sum of those country lists, not a census of every company worldwide.

What is the largest company on this list?

Management Solutions, headquartered in Madrid, tops this list with the largest team on record.

Which country has the most telecom contract negotiation firms?

The United States leads with 1,236 companies, followed by Brazil (429) and the United Kingdom (212). Every country with a published telecom contract negotiation firms list is linked on this page.

Which city has the most telecom contract negotiation firms?

Sao Paulo leads with 109 headquartered companies, followed by London (50) and Paris (37).

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 6,852 verified decision-maker contacts tracked across these 3,014 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. The country lists behind this page were pulled from the company graph on September 19, 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.