Company lists · Data verified August 2026

Top 15 Call center outsourcing companies based in Belgium

There are 38 call center outsourcing companies headquartered in Belgium (RevenueBase, August 2026). RevenueBase tracks 974 professional contacts across them, including 146 with verified work emails and 22 with mobile numbers. Gent is the largest hub.

This list covers call center outsourcing companies headquartered in Belgium, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

38Companies
974Contacts tracked
146Verified emails
22Mobile numbers
Unlock all 38 companies Free account · no credit card · 2 minutes

The 15 largest call center outsourcing companies based in Belgium

Ranked by team size
Top 15 of 38 call center outsourcing companies based in Belgium, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#CompanyHQEmployeesContactsVerified emails
1N-Allo - Engie GroupBrussels501-1,00050198
2MifratelMoeskroen501-1,00012717
3IP GlobalnetZaventem1,001-5,000901
4Captel S.ALiege11-50446
5Multicom Europen/a51-200172
6Memo ContactcenterZele51-200168
7Call Agentn/a11-50122
8EasilycontactWaterloo1-1052
9Kamari CommunicationsBrasschaat51-20041
10Passion SalesBrussels11-5041
11Indiga BvbaTongeren1-1033
12Q-CallsKumtich11-5032
13TelewachtAalst1-1021
14Thebluelink NVEdegem11-5011
15Coceco BVn/a1-1011

Showing 15 of 38 call center outsourcing companies based in Belgium

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 146 reachable decision-makers.

Free account · no credit card

See all 38 companies

Call center outsourcing companies based in Belgium at a glance

As of Aug 28, 2026
11-50Median size (employees)
GentLargest hub · 2 HQs
22Contacts with mobile numbers
2Emails re-verified in last 30 days

Companies by employee count

1-10
13
11-50
11
51-200
9
501-1,000
3
1,001-5,000
1

Call center outsourcing companies by metro

MetroCompanies
Call center outsourcing companies in Gent2
Call center outsourcing companies in Hasselt2
Call center outsourcing companies in Brussels2
Call center outsourcing companies in Moeskroen1
Call center outsourcing companies in Koekelberg1
Call center outsourcing companies in Zele1
Call center outsourcing companies in Sint-Stevens-Woluwe1

How this list was built

Source
The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion
Companies whose own business descriptions match “call center outsourcing companies”, with match quality audited by blind human judging, and headquartered in Belgium.
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
Contact records re-verify on a rolling cadence; 2 contacts on this list were re-verified in the last 30 days.
Refresh
Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many call center outsourcing companies are there based in Belgium?

There are 38 call center outsourcing companies headquartered in Belgium as of August 2026 (RevenueBase).

What is the largest company on this list?

N-Allo - Engie Group, headquartered in Brussels, tops this list with the largest team on record.

Which city has the most call center outsourcing companies?

Gent leads with 2 headquartered companies, followed by Hasselt (2) and Brussels (2).

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 146 verified decision-maker contacts tracked across these 38 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

Ready to reach these companies? Verified emails and direct dials for all 38 call center outsourcing companies based in Belgium. Start with a free account, no credit card.

Get the full list

Related lists

About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.