Company lists · Data verified August 2026

Top 25 Custom web development agencies based in Belgium

Name: Custom web development agencies based in Belgium
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 1,071 companies tracked

There are 1,071 custom web development agencies headquartered in Belgium (RevenueBase, August 2026). RevenueBase tracks 3,629 professional contacts across them, including 960 with verified work emails and 162 with mobile numbers. Bruxelles is the largest hub.

This list covers custom web development agencies 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.

1,071Companies

3,629Contacts tracked

960Verified emails

162Mobile numbers

Unlock all 1,071 companies Free account · no credit card · 2 minutes

The 25 largest custom web development agencies based in Belgium

Ranked by team size

Top 25 of 1,071 custom web development agencies 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	Axecibles	Waterloo	51-200	197	52
2	Uniway Belgium	n/a	51-200	76	2
3	PHPRO	Hasselt	51-200	59	42
4	DJM Digital	Vise	11-50	45	33
5	Synchrone	Barchon	11-50	41	21
6	Inventis	Opglabbeek	11-50	32	15
7	Hilarious	Auderghem	11-50	30	7
8	ESIGN	n/a	11-50	29	15
9	Collide	Herentals	11-50	23	20
10	Lodestar	Gent	11-50	20	1
11	Flux Belgium	Antwerpen	11-50	19	14
12	TOP On WEB	Nivelles	11-50	19	11
13	ANVIL	Kontich	11-50	17	11
14	Opengraphy	Schaerbeek Bruxelles	11-50	16	8
15	Sitemanager	Ghent	11-50	16	8
16	Multimedium	Hoogstraten	11-50	15	13
17	Novation	n/a	11-50	15	11
18	Digitalmind	Poperinge	11-50	13	7
19	Aldrin Agency	Antwerpen	11-50	12	8
20	3sign	n/a	11-50	12	7
21	Studio Roger	Harelbeke	11-50	12	6
22	Brainlane	Hasselt	11-50	11	10
23	I-Logics	Ixelles	11-50	11	6
24	Great Company	Antwerpen	11-50	11	3
25	sparkle.tech	n/a	11-50	10	9

Showing 25 of 1,071 custom web development agencies based in Belgium

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 960 reachable decision-makers.

Free account · no credit card

See all 1,071 companies

Custom web development agencies based in Belgium at a glance

As of Aug 28, 2026

1-10Median size (employees)

BruxellesLargest hub · 44 HQs

162Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

966

11-50

51-200

201-500

1,001-5,000

10001+

Custom web development agencies by metro

Metro	Companies
Custom web development agencies in Bruxelles	44
Custom web development agencies in Antwerpen	32
Custom web development agencies in Brussels	30
Custom web development agencies in Gent	26
Custom web development agencies in Antwerp	23
Custom web development agencies in Leuven	20
Custom web development agencies in Liege	16

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 “custom web development agencies”, 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 custom web development agencies are there based in Belgium?

There are 1,071 custom web development agencies headquartered in Belgium as of August 2026 (RevenueBase).

What is the largest company on this list?

Axecibles, headquartered in Waterloo, tops this list with the largest team on record.

Which city has the most custom web development agencies?

Bruxelles leads with 44 headquartered companies, followed by Antwerpen (32) and Brussels (30).

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 960 verified decision-maker contacts tracked across these 1,071 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 1,071 custom web development agencies based in Belgium. Start with a free account, no credit card.

Get the full list

Related lists

Custom web development agencies by geography

Browse the directory

Browse: Companies home · All Belgium lists · All Custom web development agencies lists · New 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.