Company lists · Data verified August 2026

Top 25 Business development outsourcing companies based in Belgium

Name: Business development outsourcing companies based in Belgium
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 108 companies tracked

There are 108 business development outsourcing companies headquartered in Belgium (RevenueBase, August 2026). RevenueBase tracks 699 professional contacts across them, including 104 with verified work emails and 24 with mobile numbers. Brussels is the largest hub.

This list covers business development 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.

108Companies

699Contacts tracked

104Verified emails

24Mobile numbers

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The 25 largest business development outsourcing companies based in Belgium

Ranked by team size

Top 25 of 108 business development 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.
#	Company	HQ	Employees	Contacts	Verified emails
1	Granton Marketing BV	Aartselaar	51-200	136	4
2	Agidrive	Louvain-La-Neuve	11-50	40	4
3	Saleswise	Herentals	11-50	36	20
4	PHCOM	Brussels	11-50	36	9
5	Proactify	Hasselt	11-50	19	3
6	Brand Partners SA	Waterloo	51-200	15	4
7	Merluno	Berchem	11-50	14	9
8	Passion4sales	Brussel	51-200	13	8
9	Sellent	n/a	1-10	8	2
10	Yello Telemarketing	Kortrijk	1-10	7	4
11	Winpeo	n/a	11-50	7	1
12	Neveco	Bruges	11-50	6	1
13	In The Lead	Roksem	1-10	5	5
14	Leadix	Watermael-Boitsfort Brussels	1-10	5	4
15	Crumbs	Ghent	1-10	5	1
16	DE Commerce BV	n/a	1-10	4	3
17	Kamari Communications	Brasschaat	51-200	4	1
18	Toolbox Agency	Oostkamp	11-50	3	1
19	businessdevelopment.be	Torhout	11-50	3	1
20	Ivizo Seeing What IS Invisible To Others	Zonhoven	1-10	2	2
21	MJ Sales & Marketing	n/a	11-50	2	1
22	SOLID	Brussels	1-10	1	1
23	Finger SRL	Nodebais	1-10	1	1
24	Bizzagency	n/a	1-10	1	1
25	ALL In ONE Sales	Neerpelt	1-10	1	1

Showing 25 of 108 business development outsourcing companies based in Belgium

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Business development outsourcing companies based in Belgium at a glance

As of Aug 28, 2026

1-10Median size (employees)

BrusselsLargest hub · 7 HQs

24Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Business development outsourcing companies by metro

Metro	Companies
Business development outsourcing companies in Brussels	7
Business development outsourcing companies in Bruxelles	6
Business development outsourcing companies in Antwerpen	3
Business development outsourcing companies in Antwerp	3
Business development outsourcing companies in Wavre	3
Business development outsourcing companies in Borgloon	2
Business development outsourcing companies in Ghent	2

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 “business development 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; 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 business development outsourcing companies are there based in Belgium?

There are 108 business development outsourcing companies headquartered in Belgium as of August 2026 (RevenueBase).

What is the largest company on this list?

Granton Marketing BV, headquartered in Aartselaar, tops this list with the largest team on record.

Which city has the most business development outsourcing companies?

Brussels leads with 7 headquartered companies, followed by Bruxelles (6) and Antwerpen (3).

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 104 verified decision-maker contacts tracked across these 108 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.