Company lists · Data refreshed November 2026

Top 25 Telecom services providers for call centers based in Belgium

RevenueBase identified 50 company matches for telecom services providers for call centers associated with Belgium as of November 2026 and tracks 1,697 professional contacts across them, including 471 with verified work emails. Brussels is the largest hub.

This list covers company matches for telecom services providers for call centers associated with Belgium, 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.

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
50Companies
1,697Contacts tracked
471Verified emails
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The 25 largest telecom services providers for call centers based in Belgium

Ranked by team size
Top 25 of 50 company matches for telecom services providers for call centers based in Belgium, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchBrussels, BelgiumHQ recorded Nov 5, 2026501-1,000528 contacts →

Exact match

“N-ALLO was established in as a subsidiary of Electrabel, ENGIE Group, and has experienced steady growth since.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchLiège, BelgiumHQ recorded Nov 5, 20261,001-5,000390 contacts →

Exact match

“iKanbi is a Contact Center specialized in advising, developing and managing the remote customer services of any brand.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchMechelen, BelgiumHQ recorded Nov 5, 2026201-500146 contacts →

Exact match

“De Stroomlijn is a subsidiary of Fluvius, Farys, and De Watergroep.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchZaventem, BelgiumHQ recorded Nov 5, 20261,001-5,00099 contacts →

Exact match

“IPG Group, a leading partner in the field of telemarketing, teleservices, contact centers, business solutions and training, has over 18 years of experience with customer contacts…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchBrussel, BelgiumHQ recorded Nov 5, 2026201-50093 contacts →

Exact match

“Founded in B-Connected is a contact center active in Belgium led by a motivated team of deeply-skilled talent.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchIsnes, BelgiumHQ recorded Nov 5, 202611-5033 contacts →

Exact match

“Dans le cadre de la transformation de son réseau de Distribution, Orange Belgique a, en 2015, intégré le réseau de la société Walcom.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchGrez-doiceau, BelgiumHQ recorded Nov 5, 202611-5031 contacts →

Exact match

“TechIT.be by Sewan, un point de contact unique qui vous amène tous les services IT et Télécom dont votre entreprise a besoin pour fonctionner de manière optimale - Internet et…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchNamur, BelgiumHQ recorded Nov 5, 202611-5022 contacts →

Exact match

“Interfone, ancrée au cœur de Namur, Belgique, est un opérateur 100% dédié aux entreprises qui se distingue comme leader de l'innovation dans le secteur des télécommunications.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchZele, BelgiumHQ recorded Nov 5, 202651-20021 contacts →

Exact match

“Alle bedrijven kampen met operationele beslommeringen.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchBrussels, BelgiumHQ recorded Nov 5, 202651-20021 contacts →

Exact match

“Nixxis helps you take your contact centers to the next level with our multi-channel relationship platform that is as agile as it is flexible- RELIABLE: Customer service…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchZolder, BelgiumHQ recorded Nov 5, 202611-5019 contacts →

Exact match

“Akkus TS is een bedrijf dat zich richt op het aanbieden van diverse telecommunicatiediensten en Ev-Laad oplossingen.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchBrugge, BelgiumHQ recorded Nov 5, 202611-5019 contacts →

Exact match

“English version below) Bij Licom ondersteunen we organisaties in hun transitie naar moderne telecommunicatie, met de focus op het optimaliseren van communicatie via Voice, Video…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchLiège, BelgiumHQ recorded Nov 5, 202651-20017 contacts →

Exact match

“What is Multicom Europe?”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchLichtervelde, BelgiumHQ recorded Nov 5, 202611-5017 contacts →

Exact match

“Wij zijn een gespecialiseerd contactcenter met commerciële ervaring in verschillende sectoren.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchLier, BelgiumHQ recorded Nov 5, 202611-5013 contacts →

Exact match

“5X meer bereikbaarheid.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchNamur, BelgiumHQ recorded Nov 5, 20261-108 contacts →

Exact match

“creativeOne, propose une solution de central téléphonique simple, fluide et évolutive.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchDestelbergen, BelgiumHQ recorded Nov 5, 20261-107 contacts →

Exact match

“Nexxcom provides innovative unified telephony and communication solutions at the best price, easy to install and use, and offers professional services tailored to the needs of its…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchAs, BelgiumHQ recorded Nov 5, 202611-505 contacts →

Exact match

“Contact Centre & ICT consultancy”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchRijmenam, BelgiumHQ recorded Nov 5, 20261-104 contacts →

Exact match

“iConnect has been active in telecommunications for more than 25 years.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchTongeren, BelgiumHQ recorded Nov 5, 20261-103 contacts →

Exact match

“Sophie Wilmots Stéphane Blaes en Silviane Cornut hebben hun sterktes gebundeld: Sophie & Stéphane zijn gespecialiseerd in Customer Service Inbound en administratie en Silviane…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchKumtich, BelgiumHQ recorded Nov 5, 202611-502 contacts →

Exact match

“Outside the box denken?”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchBoechout, BelgiumHQ recorded Nov 5, 20261-102 contacts →

Exact match

“Interaction Force helps you structuring, organising and optimising the different communication flows between your company and your customers.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchHerstal, BelgiumHQ recorded Nov 5, 20261-102 contacts →

Exact match

“Chaque entreprise à des besoins variés pour pouvoir communiquer.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchMerchtem, BelgiumHQ recorded Nov 5, 20261-102 contacts →

Exact match

“X2com levert professionele telecom diensten aan tal van bedrijven en instellingen.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchDuffel, BelgiumHQ recorded Nov 5, 20261-101 contacts →

Exact match

“Dit jaar viert Echo Solutions een bijzondere mijlpaal: ons 10-jarig bestaan!”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 25 of 50 telecom services providers for call centers based in Belgium

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Telecom services providers for call centers based in Belgium at a glance

As of Nov 5, 2026
27.8%Verified-email coverage
33.9Average contacts per company
11-50Median size (employees)
6.0%Largest-city concentration · Brussels
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
20
11-50
17
51-200
7
201-500
2
501-1,000
1
1,001-5,000
2

Email recency for this list is measured worldwide rather than for Belgium, so it is reported there. Company counts and contact totals on this page are exact for Belgium, over 50 companies.

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.
What qualifies
Company records associated with Belgium whose business descriptions match “telecom services providers for call centers” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 471 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.

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 services providers for call centers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many telecom services providers for call centers are there based in Belgium?

RevenueBase identified 50 company matches for telecom services providers for call centers associated with Belgium 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?

N-Allo - Engie Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most telecom services providers for call centers?

Brussels leads with 3 company records, followed by Aalst (2) and Genk (2).

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 471 professional contacts with verified work emails tracked across these 50 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.