Company lists · Data refreshed November 2026

Top 25 Voice and data sales consultants worldwide

Name: Voice and data sales consultants worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 5, 2026 2,245 companies tracked

RevenueBase identified 2,245 company matches for voice and data sales consultants worldwide as of November 2026 and tracks 22,325 professional contacts across them, including 5,322 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for voice and data sales 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 5, 2026. Country and city lists for voice and data sales 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 5, 2026 How this list was built

2,245Companies

22,325Contacts tracked

5,322Verified emails

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The 25 largest voice and data sales consultants worldwide

Ranked by team size

Top 25 of 2,245 company matches for voice and data sales consultants worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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	NTG Clarity	Exact match	Markham, ON, CanadaHQ recorded Nov 5, 2026	501-1,000	955 contacts →
	Exact match “NTG CLARITY is a leader in delivering network, telecom, IT and infrastructure solutions to network service providers and medium and large enterprises.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2	Commcenter	Exact match	A Coruña, SpainHQ recorded Nov 5, 2026	501-1,000	435 contacts →
	Exact match “CommCenter es uno de los distribuidores de telecomunicaciones independientes de mayor impacto en nuestro país.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3	ACS	Exact match	Lake Mary, FL, United StatesHQ recorded Nov 5, 2026	n/a	373 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4	IK	Exact match	São Paulo, BrazilHQ recorded Nov 5, 2026	201-500	335 contacts →
	Exact match “A IK Solution dispõe de diversas soluções inovadoras para seu negócio sair na frente.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5	MYTEL	Exact match	United StatesHQ recorded Nov 5, 2026	n/a	293 contacts →
	Exact match “Say goodbye to the obnoxious telecom salesman, get a broker!” Every time you order service from a new or existing carrier, there is a significant amount of associated…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6	Avant Communications	Exact match	Chicago, IL, United StatesHQ recorded Nov 5, 2026	51-200	284 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7	ACC Business	Exact match	Rochester, NY, United StatesHQ recorded Nov 5, 2026	51-200	265 contacts →
	Exact match “ACC Business was founded on a simple idea: provide small to mid-sized businesses first-rate telecom services with dedicated customer service, all at a competitive price.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8	Worldnet Telecommunications LLC	Exact match	Guaynabo, Puerto RicoHQ recorded Nov 5, 2026	51-200	215 contacts →
	Exact match “Established in 1996, WorldNet expanded to be the only local company offering a full range of Voice, Data, Internet and Cloud services.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9	Advantage Communications Group	Exact match	Port Washington, NY, United StatesHQ recorded Nov 5, 2026	51-200	207 contacts →
	Exact match “Advantage mitigates the complexity of navigating a constantly evolving IT landscape.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10	Vivo Empresas GO	Exact match	Goias, BrazilHQ recorded Nov 5, 2026	n/a	185 contacts →
	Exact match “Somos especialistas em telecomunicações para empresas, contamos com atendimento diferenciado e exclusivo, respeitando e satisfazendo o perfil do cliente.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11	Firstcomm	Exact match	Fairlawn, IL, United StatesHQ recorded Nov 5, 2026	51-200	184 contacts →
	Exact match “FirstComm delivers smarter business communications and IT solutions that help organizations connect, collaborate, and scale with confidence.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12	Onesource Building Technologies	Exact match	Houston, United StatesHQ recorded Nov 5, 2026	51-200	174 contacts →
	Exact match “Providing World-Class Technology Services and Solutions OneSource provides voice and data infrastructure services to mid-tier and large enterprises nationwide and abroad.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13	MTCI	Exact match	Cincinnati, OH, United StatesHQ recorded Nov 5, 2026	11-50	142 contacts →
	Exact match “MTCI serves businesses in defining, developing and executing more efficient, functional and cost-effective telecommunications programs.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14	Powernet CO	Exact match	Cincinnati, OH, United StatesHQ recorded Nov 5, 2026	51-200	127 contacts →
	Exact match “Built from a foundation of integrity and strong business ethics, Powernet was established in 1992 in the basement of President Bernie Stevens' Cincinnati home.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15	QYYP	Exact match	Vénissieux, FranceHQ recorded Nov 5, 2026	51-200	121 contacts →
	Exact match “Depuis 15 ans, Qyyp (anciennement Groupe Thym Business) accompagne au quotidien les entreprises – TPE, PME, ETI et Grand Groupes – et les collectivités avec des solutions IT &…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16	Outsource	Exact match	Longwood, FL, United StatesHQ recorded Nov 5, 2026	201-500	114 contacts →
	Exact match “Outsource, Inc.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17	YO Telecom	Exact match	Southampton, United KingdomHQ recorded Nov 5, 2026	51-200	112 contacts →
	Exact match “Yo Telecom is an award winning telecommunications provider that specialises in small to medium sized businesses.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18	Vatic Outsourcing	Exact match	Atlanta, GA, United StatesHQ recorded Nov 5, 2026	51-200	100 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19	Sarenet	Exact match	Zamudio, SpainHQ recorded Nov 5, 2026	51-200	100 contacts →
	Exact match “Sarenet es el proveedor de voz y datos con más experiencia de cuantos hoy operan en España.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20	CMS Communications	Exact match	Chesterfield, MO, United StatesHQ recorded Nov 5, 2026	51-200	100 contacts →
	Exact match “Since its founding in 1985, CMS Communications has been a leader in providing Telecom equipment and services.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21	S-Kon Gruppe	Exact match	Hamburg, GermanyHQ recorded Nov 5, 2026	501-1,000	98 contacts →
	Exact match “Seit 2003 sind wir erfolgreich als Fullservice Dienstleister in der Telekommunikationsbranche tätig.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22	ICE Telecommunications Limited	Exact match	Crewe, United KingdomHQ recorded Nov 5, 2026	51-200	92 contacts →
	Exact match “Ice Comms are an independent consultant which specialise in mobile, traditional landline, hosted, and broadband business telecommunication solutions.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23	Unity Connected Solutions	Exact match	Markham, AB, CanadaHQ recorded Nov 5, 2026	51-200	90 contacts →
	Exact match “Unity’s mission is to help organizations leverage communications technology to provide a positive impact on their business.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24	ONE Team Group	Exact match	Milan, ItalyHQ recorded Nov 5, 2026	51-200	85 contacts →
	Exact match “One Team Group affianca le imprese nel loro percorso di evoluzione tecnologica, offrendo consulenza e soluzioni integrate nei settori Telecomunicazioni, IT, Cybersecurity e Cloud.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25	Telesource, INC	Exact match	Cornelius, NC, United StatesHQ recorded Nov 5, 2026	11-50	83 contacts →
	Exact match “Founded in 1996, TeleSource, Inc.” Recorded in the RevenueBase company graph · Nov 5, 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 “voice and data sales 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 2,245 voice and data sales consultants worldwide

See the full list, filter by size, metro and specialty, and access 5,322 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Voice and data sales consultants worldwide at a glance

As of Nov 5, 2026

23.8%Verified-email coverage

9.9Average contacts per company

1-10Median size (employees)

1.7%Largest-city concentration · Sao Paulo

Nov 5, 2026Page data refreshed

Companies by employee count

1-10

1,281

11-50

770

51-200

142

201-500

501-1,000

1,001-5,000

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 voice and data sales consultants are linked below.
What qualifies: Company records worldwide whose business descriptions match “voice and data sales 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 5,322 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 5, 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.

Voice and data sales consultants by location

82 lists · largest first

Every Voice and data sales 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 “voice and data sales consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many voice and data sales consultants are there worldwide?

RevenueBase identified 2,245 company matches for voice and data sales 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?

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

Which country has the most voice and data sales consultants?

The United States leads with 868 companies, followed by India (451) and Mexico (339). Every voice and data sales consultants list by country and city is linked on this page.

Which city has the most voice and data sales consultants?

Sao Paulo leads with 39 company records, followed by London (28) and New York (23).

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 5,322 professional contacts with verified work emails tracked across these 2,245 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 5, 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.