Luxinnovation CEO Mario Grotz and Economy Minister Lex Delles at the press conference on Luxinnovation's 2025 results on 30.04.2026
© MECO (gouvernement.lu)

Guide

How to apply for Fit 4 AI at Luxinnovation

Fit 4 AI runs through Luxinnovation: a referenced consultant delivers an AI diagnosis and action plan, and the Ministry of the Economy then pays 70, 60 or 50% of the fees, more than 1.000 EUR and up to 100.000 EUR per project.

By Gido 9 min read

Key takeaways

  • Luxinnovation files the application on MyGuichet.lu on your behalf, and going through the agency is compulsory.
  • Only the referenced consultant's fees are funded: 70% for small, 60% for medium-sized and 50% for large businesses.
  • Aid is more than 1.000 EUR and at most 100.000 EUR per project.
  • Sign the quote only after the application is filed; the decision comes within 2 months and the assignment lasts at most 6 months.
  • Fit 4 AI delivers a diagnosis and action plan, SME Packages AI can then fund rolling out a tool.
On this page
  1. Is Fit 4 AI still running in November 2026?
  2. Who can apply for Fit 4 AI?
  3. How much funding does Fit 4 AI give?
  4. What does Fit 4 AI cost the company?
  5. What deadlines apply to Fit 4 AI?
  6. How do I apply for Fit 4 AI step by step?
  7. How does Fit 4 AI differ from SME Packages AI?
  8. What does a Fit 4 AI assignment look like in practice?
  9. Who do I contact about Fit 4 AI?
  10. What is still unclear about Fit 4 AI?

You apply for Fit 4 AI through Luxinnovation, not on your own: the agency files the application on MyGuichet.lu for you, and the Ministry of the Economy then covers 70, 60 or 50% of the consultant's fees, depending on company size.

The aid is more than 1.000 EUR and at most 100.000 EUR per project. Before filing, Luxinnovation checks your project and the still unsigned quote of a referenced consultant.

Fit 4 AI does not pay for AI software. It pays for a diagnosis. An external consultant works out with you which AI use cases are worth pursuing, assesses their feasibility, costs and benefits as well as the governance and compliance conditions that apply, and hands over a costed action plan. That is how the Guichet.lu procedure page for the Fit 4 programmes describes it, last updated on 12.10.2026. If you already know which off-the-shelf AI tool you want to roll out, the SME Packages AI are usually the better fit. The table further down shows the difference.

Is Fit 4 AI still running in November 2026?

Yes. On 13.10.2026 Luxinnovation announced an overhaul of all Fit 4 programmes. According to that announcement they used to be open mainly to SMEs in certain sectors and are now open to Luxembourg companies of all sizes. Subsidy rates were raised and aligned, and Luxinnovation now handles the Guichet.lu application for the company. The Luxinnovation programme page and the Guichet.lu page were both online on 12.11.2026 and both show the new rates.

The programme is young. A statement by the Ministry of the Economy dated 30.04.2026 says Fit 4 AI was launched in 2025. In 2025 Luxinnovation supported 61 files across all Fit 4 programmes, more than a third of them from craft businesses. The ministry gives no separate figure for Fit 4 AI.

Printed leaflets with key figures from the Luxinnovation annual report 2025 on a wooden table
Key figures from Luxinnovation's 2025 annual report, presented on 30.04.2026 together with the results of the Fit 4 programmes | Image: MECO (gouvernement.lu)

Who can apply for Fit 4 AI?

Guichet.lu lists three conditions, and a company must meet all of them:

  • a valid business permit issued by the Ministry of the Economy,
  • a registered office in Luxembourg,
  • an economic activity carried out as its main occupation.

There is no minimum or maximum size. Luxinnovation says the programme is open to businesses of any size, and its case studies describe it as open to any company established in Luxembourg, regardless of size or sector. Size only decides the subsidy rate. The pages checked do not define where small ends and medium or large begins. Settle your classification in the first conversation with Luxinnovation.

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How much funding does Fit 4 AI give?

The aid is a capital subsidy. For each project it must be more than 1.000 EUR and may not exceed 100.000 EUR. The maximum rates according to Guichet.lu and Luxinnovation:

Company size Maximum share of eligible fees
Small business 70%
Medium-sized business 60%
Large business 50%

Only the referenced consultant's fees are eligible, based on a prior quote that matches the programme specifications. Travel and other ancillary expenses are not eligible. Luxinnovation checks the quote before the application is filed. For comparison, Luxinnovation says the eligible budgets of Fit 4 Digital and Fit 4 Innovation used to be capped at 5.000 EUR and 15.000 EUR.

A worked example, not an official figure: on consultant fees of 20.000 EUR, a small business receives at most 14.000 EUR, a medium-sized business 12.000 EUR and a large business 10.000 EUR. The pages do not say whether fees are counted with or without VAT.

The legal basis is the de minimis framework: Commission Regulation (EU) 2023/2831 of 13.12.2023 and the Luxembourg law of 20.12.2019 setting up a de minimis aid scheme. We do not repeat thresholds from the regulation here. If you have received other de minimis aid in recent years, raise it with Luxinnovation or the ministry before you apply.

What does Fit 4 AI cost the company?

Three items stay with you. First, your own share of 30, 40 or 50% of the fees. Second, costs that are not eligible, such as travel. Third, pre-financing: you file the payment claim only once the assignment is finished and the invoice is paid.

Implementation is not included. Guichet.lu states plainly that implementing the recommendations is not part of Fit 4 assignments. You decide freely whether to act on some, all or none of them.

What deadlines apply to Fit 4 AI?

Neither Guichet.lu nor Luxinnovation mentions a call or a cut-off date for Fit 4 AI. Four time rules matter all the same:

  • Application before commitment. The application must be filed before you enter into any legally binding commitment with the consultant. Do not sign the quote until the application has been submitted.
  • Decision within 2 months. The Ministry of the Economy decides within 2 months of receiving the complete file. The decision sets the aid amount and the period in which costs are eligible.
  • Assignment within 6 months. The consultant carries out the diagnosis within a maximum of 6 months.
  • Payment after you have paid. Guichet.lu names no separate deadline for the payment claim. Stay within the eligibility period stated in the decision.

How do I apply for Fit 4 AI step by step?

The sequence follows Guichet.lu and the Luxinnovation programme page.

  1. Gauge your AI maturity. Luxinnovation lists the AI Maturity Assessment as step 0. It gives an overview of where you stand on data and AI. Guichet.lu lists a mandatory preliminary check only for Fit 4 Digital and Fit 4 Cybersecurity, so ask Luxinnovation whether it expects the assessment in your case.
  2. Contact Luxinnovation. Together you decide which Fit 4 programme fits. Going through Luxinnovation is compulsory.
  3. Choose a consultant and define the assignment. Pick a consultant from the register of referenced consultants. Agree on scope, analyses, deliverables, schedule and budget. The consultant draws up a detailed quote, which must remain unsigned at this stage.
  4. Send the documents to Luxinnovation. In particular: the company's legal organisation chart, the unsigned quote, the declaration of honour and the power of attorney that lets Luxinnovation file on your behalf.
  5. Wait for the filing. Luxinnovation pre-checks your eligibility and files the application on MyGuichet.lu. The digital receipt confirms submission. Only then do you sign the quote and start the assignment.
  6. Receive the decision. The ministry replies within 2 months of a complete file.
  7. Run the diagnosis. According to Luxinnovation, the consultant assesses your AI maturity, looks for high value uses, analyses risks and costs and selects the most relevant initiatives with reasons. This includes a feasibility analysis of the shortlisted cases based on your internal data.
  8. Take over the action plan. At the end the consultant presents the results and hands over a report with prioritised recommendations and a costed action plan. Luxinnovation says it includes cost estimates for investments, the choice between a generic and a tailor-made solution, and an estimate of the return on investment.
  9. Claim the payment. After paying, file the payment claim online on MyGuichet.lu with the consultant's invoices, proof of payment and the final report.

How does Fit 4 AI differ from SME Packages AI?

Fit 4 AI works out what is worth doing. SME Packages AI fund putting an existing tool in place. The SME Packages figures come from our guide to SME Packages AI.

Point Fit 4 AI SME Packages AI
Purpose Diagnosis and costed action plan Rolling out an existing AI tool
Who Companies of any size SMEs only
First contact Luxinnovation House of Entrepreneurship or eHandwierk
Provider Consultant from the Luxinnovation register Provider of your choice
Aid 70, 60 or 50% of fees 70% of eligible costs
Range Aid above 1.000 EUR up to 100.000 EUR Project of 3.000 to 25.000 EUR excluding VAT
Payment After completion and payment, via MyGuichet.lu After implementation

The two build on each other. Inès Baer, Head of Assessments and Roadmaps at Luxinnovation, says in the 13.10.2026 announcement that implementing the recommendations can open access to other Ministry aid, such as the SME Packages with 70% of eligible costs, or to the services of the Luxembourg AI Factory. For background on the AI Factory, see our piece on MeluXina-AI.

What does a Fit 4 AI assignment look like in practice?

Luxinnovation has published two case studies. Artemis Information Management, an analysis firm, worked with the consultant DataThings on two goals: automating internal tasks and exploring an AI solution for clients (report of 11.08.2026). Concert promoter den Atelier, with a team of 11, has completed its audit. According to the report of 07.09.2026 it then submitted specifications for a proprietary forecasting tool to the Ministry of the Economy and received a favourable co-financing opinion. Both reports come from the programme operator itself.

Once tools from the action plan reach daily work, your staff need rules. Our guide on writing an AI policy for employees shows how.

Who do I contact about Fit 4 AI?

According to Guichet.lu:

  • Luxinnovation, Aid department, 5, avenue des Hauts-Fourneaux, L-4362 Esch-sur-Alzette, phone (+352) 43 62 63 1.
  • Ministry of the Economy, General Directorate for State Aid and Company Financing, 19-21, boulevard Royal, L-2449 Luxembourg, email fae@eco.etat.lu.

What is still unclear about Fit 4 AI?

  • The pages checked do not define small, medium and large businesses.
  • Luxinnovation and Guichet.lu are not equally clear on whether the AI Maturity Assessment is mandatory.
  • No deadline for the payment claim and no VAT treatment are stated.
  • We do not repeat de minimis thresholds. Discuss them with Luxinnovation or the ministry.

The sensible first move is a call with Luxinnovation before you sign anything with a consultant. This text is an editorial guide based on public sources. It is not a grant decision and not legal advice.

Questions and answers

Is there a deadline for Fit 4 AI?
Guichet.lu and Luxinnovation mention no call and no cut-off date. What matters is the order: the application must be filed before you sign the consultant's quote.
Can large companies use Fit 4 AI?
Yes. Since the overhaul announced on 13.10.2026, the Fit 4 programmes are open to companies of all sizes. Large businesses receive up to 50% of eligible fees.
Does Fit 4 AI pay for implementation?
No. According to Guichet.lu, implementing the recommendations is not part of the Fit 4 assignment. SMEs can look at SME Packages AI for rolling out an existing tool.
Can I pick my own consultant?
Only from Luxinnovation's register of consultants referenced for the programme concerned.

Sources

Every price and fact above was checked against these pages on the date shown.

  1. [1] Guichet.lu, Fit 4-Programme (Verfahrensseite, Deutsch) accessed 2026-11-12
  2. [2] Guichet.lu, Programmes Fit 4 (page de procédure, français) accessed 2026-11-12
  3. [3] Guichet.lu, Fit 4 programmes (procedure page, English) accessed 2026-11-12
  4. [4] Luxinnovation, Fit 4 AI (programme page, English) accessed 2026-11-12
  5. [5] Luxinnovation, Fit 4 AI (page programme, français) accessed 2026-11-12
  6. [6] Luxinnovation, Fit 4 AI (Programmseite, Deutsch) accessed 2026-11-12
  7. [7] Luxinnovation, "Fit 4" programmes now simpler, more accessible and more attractive accessed 2026-11-12
  8. [8] Luxinnovation, Les programmes «Fit 4» désormais plus simples, plus accessibles et plus attrayants accessed 2026-11-12
  9. [9] Ministère de l'Économie, Lex Delles et Mario Grotz ont présenté le bilan 2025 de Luxinnovation accessed 2026-11-12
  10. [10] Luxinnovation, Artemis: a structured AI approach through Fit 4 AI accessed 2026-11-12
  11. [11] Luxinnovation, Den Atelier: using AI to better anticipate concert success accessed 2026-11-12
  12. [12] Luxinnovation, directory of referenced Fit 4 consultants accessed 2026-11-12
  13. [13] Luxembourg AI Factory, AI Maturity Assessment accessed 2026-11-12
  14. [14] Gouvernement.lu (MECO), aspects légaux accessed 2026-11-12
  15. [15] Guichet.lu, SME Packages AI (Verfahrensseite, Deutsch) accessed 2026-11-12
Topics fit-4-ailuxinnovationfundingailuxembourgsme