Company lists · Data verified August 2026

Top 16 Custom software development agencies based in Luxembourg

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 35 companies tracked

There are 35 custom software development agencies headquartered in Luxembourg (RevenueBase, August 2026). RevenueBase tracks 505 professional contacts across them, including 169 with verified work emails and 18 with mobile numbers. Luxembourg is the largest hub.

This list covers custom software development agencies headquartered in Luxembourg, 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.

35Companies

505Contacts tracked

169Verified emails

18Mobile numbers

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The 16 largest custom software development agencies based in Luxembourg

Ranked by team size

Top 16 of 35 custom software development agencies based in Luxembourg, 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	Ausy Belgium	Leudelange	1,001-5,000	161	22
2	Gulliver S.R.L	Luxembourg	51-200	100	49
3	AINOS	n/a	11-50	58	32
4	Elliott Group	Mondorf Les Bains	51-200	56	32
5	Biac LOG	Steinfort	11-50	15	11
6	Lightbulb	Lorentzweiler	11-50	12	2
7	Luxapps	Windhof	1-10	5	4
8	Apps.Lu By Kirepo	Ehnen Ehnen	11-50	5	3
9	Agilux	Pommerloch Wiltz	1-10	4	4
10	Crok4it	Luxembourg	1-10	4	2
11	Time4digital S.À R.L	Manternach	1-10	3	2
12	Agit Services SA	Oberpallen Diekirch	1-10	3	1
13	Accolade S.À R.L	Bergem	1-10	2	2
14	Fleetlab	Differdange	11-50	1	1
15	Heartforge Software	Luxembourg	1-10	1	1
16	Sheepit	Diekirch	1-10	1	1

Showing 16 of 35 custom software development agencies based in Luxembourg

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Custom software development agencies based in Luxembourg at a glance

As of Aug 28, 2026

1-10Median size (employees)

LuxembourgLargest hub · 8 HQs

18Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

1,001-5,000

Custom software development agencies by metro

Metro	Companies
Custom software development agencies in Luxembourg	8
Custom software development agencies in Windhof	2
Custom software development agencies in Steinfort	2
Custom software development agencies in Esch-Sur-Alzette	2
Custom software development agencies in Bourscheid	1
Custom software development agencies in Bergem	1
Custom software development agencies in Senningerberg	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 “custom software development agencies”, with match quality audited by blind human judging, and headquartered in Luxembourg.
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; 0 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 software development agencies are there based in Luxembourg?

There are 35 custom software development agencies headquartered in Luxembourg as of August 2026 (RevenueBase).

What is the largest company on this list?

Ausy Belgium, headquartered in Leudelange, tops this list with the largest team on record.

Which city has the most custom software development agencies?

Luxembourg leads with 8 headquartered companies, followed by Windhof (2) and Steinfort (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 169 verified decision-maker contacts tracked across these 35 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.