Company lists · Data verified August 2026

Top 14 Custom software development firms based in Luxembourg

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

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

There are 28 custom software development firms headquartered in Luxembourg (RevenueBase, August 2026). RevenueBase tracks 259 professional contacts across them, including 114 with verified work emails and 14 with mobile numbers. Luxembourg is the largest hub.

This list covers custom software development firms 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.

28Companies

259Contacts tracked

114Verified emails

14Mobile numbers

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The 14 largest custom software development firms based in Luxembourg

Ranked by team size

Top 14 of 28 custom software development firms 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	Gulliver S.R.L	Luxembourg	51-200	100	49
2	AINOS	n/a	11-50	58	32
3	Biac LOG	Steinfort	11-50	15	11
4	Lightbulb	Lorentzweiler	11-50	12	2
5	Luxapps	Windhof	1-10	5	4
6	Agilux	Pommerloch Wiltz	1-10	4	4
7	WEEL	Luxembourg	1-10	3	3
8	Time4digital S.À R.L	Manternach	1-10	3	2
9	Agit Services SA	Oberpallen Diekirch	1-10	3	1
10	Accolade S.À R.L	Bergem	1-10	2	2
11	Fleetlab	Differdange	11-50	1	1
12	Heartforge Software	Luxembourg	1-10	1	1
13	Sheepit	Diekirch	1-10	1	1
14	Globe-It S.A R.L.-S	Belvaux	1-10	1	1

Showing 14 of 28 custom software development firms based in Luxembourg

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Custom software development firms based in Luxembourg at a glance

As of Aug 28, 2026

1-10Median size (employees)

LuxembourgLargest hub · 7 HQs

14Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Custom software development firms by metro

Metro	Companies
Custom software development firms in Luxembourg	7
Custom software development firms in Windhof	2
Custom software development firms in Steinfort	2
Custom software development firms in Belvaux	1
Custom software development firms in Bourscheid	1
Custom software development firms in Bergem	1
Custom software development firms in Luxembourg City	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 firms”, 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 firms are there based in Luxembourg?

There are 28 custom software development firms headquartered in Luxembourg as of August 2026 (RevenueBase).

What is the largest company on this list?

Gulliver S.R.L, headquartered in Luxembourg, tops this list with the largest team on record.

Which city has the most custom software development firms?

Luxembourg leads with 7 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 114 verified decision-maker contacts tracked across these 28 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.