Company lists · Data verified August 2026

Top 10 Lead qualification services based in Belgium

Name: Lead qualification services based in Belgium
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 27 companies tracked

There are 27 lead qualification services headquartered in Belgium (RevenueBase, August 2026). RevenueBase tracks 63 professional contacts across them, including 20 with verified work emails and 5 with mobile numbers. Bruxelles is the largest hub.

This list covers lead qualification services 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.

27Companies

63Contacts tracked

20Verified emails

5Mobile numbers

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The 10 largest lead qualification services based in Belgium

Ranked by team size

Top 10 of 27 lead qualification services based in Belgium, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Leaddriver	Antwerp	1-10	9	1
2	Yello Telemarketing	Kortrijk	1-10	7	4
3	In The Lead	Roksem	1-10	5	5
4	Immowi International	Ghent	1-10	4	3
5	Koqoon	Brussels	1-10	3	2
6	Sjuste	Roeselare	1-10	3	1
7	Explord	Bruxelles	1-10	2	1
8	GOP Branding	Sint-Niklaas	1-10	1	1
9	VSV Advertising	n/a	1-10	1	1
10	Opptylead	Wavre	1-10	1	1

Showing 10 of 27 lead qualification services based in Belgium

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Lead qualification services based in Belgium at a glance

As of Aug 28, 2026

1-10Median size (employees)

BruxellesLargest hub · 4 HQs

5Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Lead qualification services by metro

Metro	Companies
Lead qualification services in Bruxelles	4
Lead qualification services in Ghent	2
Lead qualification services in Brussels	2
Lead qualification services in Roksem	1
Lead qualification services in Sint-Niklaas	1
Lead qualification services in Oostende	1
Lead qualification services in Borgloon	1

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 “lead qualification services”, 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; 1 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 lead qualification services are there based in Belgium?

There are 27 lead qualification services headquartered in Belgium as of August 2026 (RevenueBase).

What is the largest company on this list?

Leaddriver, headquartered in Antwerp, tops this list with the largest team on record.

Which city has the most lead qualification services?

Bruxelles leads with 4 headquartered companies, followed by Ghent (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 20 verified decision-maker contacts tracked across these 27 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.

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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.