Company lists · Data refreshed September 2026
Top 25 Enterprise communication solutions consultants worldwide
RevenueBase identified 3,869 enterprise communication solutions consultants worldwide as of September 2026 and tracks 63,461 professional contacts across them, including 15,167 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.
This list covers enterprise communication solutions 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 28, 2026. Country and city lists for enterprise communication solutions 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.
The 25 largest enterprise communication solutions consultants worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 10,510 contacts → | ||||
Indirect evidence “At Avaya, we give our customers the freedom to take their business in the directions that benefit them most.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 2 | 1,744 contacts → | ||||
Strong evidence “We are one of the fastest growing companies, providing comprehensive solutions in IT, business development, and communication.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 3 | 1,568 contacts → | ||||
Strong evidence “Gamma Communications is a leading provider of technology-based communication solutions across Europe.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 4 | 1,481 contacts → | ||||
Strong evidence “Tulip Telecom Ltd.(BSE: 532691/NSE: TULIP) is India’s leading Enterprise Communications Service provider.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 5 | 1,133 contacts → | ||||
Indirect evidence “Integra is Allstream.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 6 | 666 contacts → | ||||
Indirect evidence “We @ VIS Networks (Voice Infrastructure Services) believe in the future of technology services.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 7 | 518 contacts → | ||||
Indirect evidence “A DDS é uma empresa de tecnologia especializada na integração de sistemas.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 8 | 507 contacts → | ||||
Indirect evidence “Somos C3NTRO, una empresa mexicana de clase mundial con 15 años de experiencia en Telecomunicaciones.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 9 | 454 contacts → | ||||
Partial evidence “Sangoma Technologies Corporation (TSX: STC; Nasdaq: SANG) is a global leader in essential business communications.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 10 | 394 contacts → | ||||
Indirect evidence “IT & UC.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 11 | 389 contacts → | ||||
Indirect evidence “A MAMinfo é uma empresa de Consultoria e integradora de soluções em TI e telecomunicação, comercialização, instalação e suporte técnico para tecnologias de rede.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 12 | 366 contacts → | ||||
Strong evidence “With three decades of expertise in the enterprise communications space, Continuant stands out as a seasoned Managed Services Provider, Systems Integrator, and Technology…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 13 | 363 contacts → | ||||
Indirect evidence “One of the leading systems integrators in the European market today.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 14 | 358 contacts → | ||||
Partial evidence “ACS has over three decades of experience and unparalleled expertise in the assessment and implementation of voice and data platforms and can provide solutions for telephone…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 15 | 334 contacts → | ||||
Strong evidence “The First Sales-Oriented Unified Communications Solution, now powered by AI Wildix develops secure, AI-powered business communication solutions designed to support revenue growth…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 16 | 319 contacts → | ||||
Partial evidence “Keyyo développe de nouveaux usages de communication pour les entreprises, notamment avec la voix sur IP.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 17 | 316 contacts → | ||||
Indirect evidence “GPA features the best-of-breed Regional Business Units (RBUs) in 50 countries, with localized delivery capabilities in over 150+ cities globally.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 18 | 290 contacts → | ||||
Indirect evidence “Tectura is a worldwide provider of business consulting services with headquarters based in the US.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 19 | 281 contacts → | ||||
Strong evidence “Nashua Communications is a leading provider of Converged Enterprise Network and Communications Solutions.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 20 | 272 contacts → | ||||
Indirect evidence “Progility Technologies Pvt.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 21 | 262 contacts → | ||||
Indirect evidence “Focused on technology consulting, IT and Telecommunications, we empower the business of our customers and feel their projects as our own.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 22 | 252 contacts → | ||||
Strong evidence “Since Cenero has been a service focused audio-visual, unified communications and IT solutions provider.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 23 | 252 contacts → | ||||
Strong evidence “As the leading global integrator of business communication solutions and services since 1993, NACR has been a trusted advisor to more than 40% of the Fortune 100 companies…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 24 | 240 contacts → | ||||
Partial evidence “Sobre a A5 Solutions Integradora de soluções líder no segmento de Contact Centers, Comunicações Unificadas e Redes Convergentes, a A5 Solutions atua no mercado há 10 anos.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 25 | 226 contacts → | ||||
Strong evidence “Since 2002, CallTower has been at the forefront of transforming global communication, emerging as a leader in enterprise-class cloud communication, collaboration, and CX solutions.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
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: enterprise communication solutions 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 enterprise communication solutions consultants.
- Partial evidence
- Its own public description names part of enterprise communication solutions consultants, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name enterprise communication solutions 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 3,869 enterprise communication solutions consultants worldwide
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Enterprise communication solutions consultants worldwide at a glance
As of Sep 28, 2026Companies by employee count
Email recency is reported on each country list linked below.
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 enterprise communication solutions 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
- Every country. Country and city lists for enterprise communication solutions consultants are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “enterprise communication solutions 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 enterprise communication solutions 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 enterprise communication solutions 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, 15,167 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 on September 28, 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.
Enterprise communication solutions consultants by location
22 lists · largest firstEvery Enterprise communication solutions consultants list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Enterprise communication solutions consultants based in the United States1,023
- Enterprise communication solutions consultants based in the United Kingdom261
- Enterprise communication solutions consultants based in Brazil203
- Enterprise communication solutions consultants based in Germany165
- Enterprise communication solutions consultants based in India142
- Enterprise communication solutions consultants based in France118
- Enterprise communication solutions consultants based in Canada114
- Enterprise communication solutions consultants based in Italy113
- Enterprise communication solutions consultants based in Australia102
- Enterprise communication solutions consultants based in Spain87
- Enterprise communication solutions consultants based in Mexico76
- Enterprise communication solutions consultants based in the Netherlands66
- Enterprise communication solutions consultants based in South Africa62
- Enterprise communication solutions consultants based in Switzerland40
- Enterprise communication solutions consultants based in the United Arab Emirates38
- Enterprise communication solutions consultants based in Belgium32
- Enterprise communication solutions consultants based in Sweden29
- Enterprise communication solutions consultants based in Argentina26
Cities
- Enterprise communication solutions consultants based in Sao Paulo, Brazil58
- Enterprise communication solutions consultants based in London, United Kingdom53
- Enterprise communication solutions consultants based in New York, United States33
- Enterprise communication solutions consultants based in Dallas, United States28
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 enterprise communication solutions 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 enterprise communication solutions consultants are there worldwide?
RevenueBase identified 3,869 enterprise communication solutions 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?
AVAYA, headquartered in Morristown, tops this list with the largest team on record.
Which country has the most enterprise communication solutions consultants?
The United States leads with 1,023 companies, followed by the United Kingdom (261) and Brazil (203). Every enterprise communication solutions consultants list by country and city is linked on this page.
Which city has the most enterprise communication solutions consultants?
Sao Paulo leads with 58 headquartered companies, followed by London (57) and New York (33).
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 15,167 verified decision-maker contacts tracked across these 3,869 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 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.