Company lists · Data refreshed September 2026
Top 25 IT infrastructure services based in Luxembourg
RevenueBase identified 49 IT infrastructure services headquartered in Luxembourg as of September 2026 and tracks 894 professional contacts across them, including 421 with verified work emails. Luxembourg is the largest hub.
This list covers IT infrastructure services headquartered in Luxembourg, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 21, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest IT infrastructure services based in Luxembourg
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 335 contacts → | ||||
Indirect evidence “DEEP places all the expertise and ICT resources of the POST Luxembourg Group at the service of companies, institutions and associations to support them in the operational…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 2 | 156 contacts → | ||||
Partial evidence “System Solutions becomes Trustteam Luxembourg In its 28 years of existence, Trustteam Luxembourg has grown into a 360° IT partner, PSF-approved and ISO 27001 certified.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 3 | 100 contacts → | ||||
Indirect evidence “Formerly CTG Luxembourg PSF” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 4 | 31 contacts → | ||||
Partial evidence “Squaremiled: Your Digital Infrastructure, Simplified and Secured.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 28 contacts → | ||||
Strong evidence “Anidris Services aims at proposing an end-to-end portfolio of Services in the field of IT Infrastructure Services in Luxembourg.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 6 | 25 contacts → | ||||
Partial evidence “Empirys is a Luxembourg IT services company.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 25 contacts → | ||||
Indirect evidence “Acteur efficace et fiable dans les domaines de gestion informatique et des services en technologies de l’information, nous proposons des solutions durables et adaptées aux besoins…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 8 | 16 contacts → | ||||
Indirect evidence “Tree Top est implantée depuis plus de 25 ans au Luxembourg et est spécialisée dans l'informatique professionnelle.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 9 | 14 contacts → | ||||
Partial evidence “System Solutions was founded in 1996 and has over time developed into a leading IT managed service provider for organizations.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 10 | 13 contacts → | ||||
Partial evidence “Cloud Power Luxembourg -"Your IT Challenges, Our Solutions" We provide the cutting-edge expertise of our teams, modern solutions and the facilities of the Cloud with the aim of…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 11 | 13 contacts → | ||||
Partial evidence “Activities iBO Solutions offers solutions at the crossroad of Business and IT, with appropriate methodologies and tools supporting effective processes.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 12 | 11 contacts → | ||||
Partial evidence “dsl -it solutions & services propose le service sur mesure ainsi qu'une gamme de serveurs et de postes de travails complète, couvrant tous les domaines d’activité et besoins de…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 13 | 11 contacts → | ||||
Indirect evidence “Segma pour la gestion informatique de votre société Depuis 2006, Segma informatise les entreprises pour leur faciliter le quotidien.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 14 | 9 contacts → | ||||
Indirect evidence “Your data must be kept safe.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 15 | 7 contacts → | ||||
Partial evidence “Convergence IT est une société de services qui regroupe des compétences spécialisées dans le conseil et l’installation de solutions informatiques orientées cloud.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 16 | 7 contacts → | ||||
Indirect evidence “Bienvenue sur la page linked In de Ovi Solutions.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 17 | 6 contacts → | ||||
Partial evidence “IT-Services & IT-Beratung | Services informatiques & Conseil IT Ihre IT – modern, sicher, effizient.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 18 | 6 contacts → | ||||
Strong evidence “As an expert player in software computing, ICarus It Services helps you to use your software and manage your IT infrastructure.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 19 | 5 contacts → | ||||
Strong evidence “LXCDM est un prestataire de services IT, spécialisé dans le conseil, la vente, l’installation, la maintenance d’infrastructures informatiques et de communication.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 20 | 5 contacts → | ||||
Indirect evidence “Cartesoft: A team of experts helping you achieve your projects.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 21 | 5 contacts → | ||||
Indirect evidence “M.I.T Sàrl est une société luxembourgeoise crée en 2009, spécialisée dans le service informatique aux entreprises.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 22 | 3 contacts → | ||||
Strong evidence “The comfort of an optimal IT environment at the service of your productivity- Equip yourself with an IT infrastructure adapted to your needs- Access efficient cloud services-…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 23 | 3 contacts → | ||||
Partial evidence “With over a decade of experience in IT Services, We help you with your next IT project providing tailored solutions and resources to fulfill your business needs.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 24 | 2 contacts → | ||||
Strong evidence “Partner Cloud Consulting specializes in the management of IT infrastructures enabling its clients to develop their businesses, reduce their operating costs and improve the…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 25 | 2 contacts → | ||||
Partial evidence “Wir sind ein IT-Dienstleiter aus Clervaux.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: IT infrastructure services. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names IT infrastructure services.
- Partial evidence
- Its own public description names part of IT infrastructure services, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name IT infrastructure services. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 49 IT infrastructure services based in Luxembourg
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IT infrastructure services based in Luxembourg at a glance
As of Sep 21, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Luxembourg, so it is reported there. Company counts and contact totals on this page are exact for Luxembourg, over 49 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among IT infrastructure services, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Luxembourg whose own description of what they do matches “IT infrastructure services”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names IT infrastructure services), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among IT infrastructure services, and records with no verified work email. Companies headquartered outside Luxembourg are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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
- Every listed company carries at least one verified work email, 421 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 21, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names IT infrastructure services, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many IT infrastructure services are there based in Luxembourg?
RevenueBase identified 49 IT infrastructure services headquartered in Luxembourg as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
DEEP, headquartered in Luxembourg, tops this list with the largest team on record.
Which city has the most IT infrastructure services?
Luxembourg leads with 10 headquartered companies, followed by Bertrange (4) and Capellen (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 421 verified decision-maker contacts tracked across these 49 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 21, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 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 with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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