The glossary to understand and take action

Investment aid application

An investment aid application presents a project and its expenditure under a specific public scheme. Eligibility depends on the company, the project, the costs and the conditions of the scheme.

Démarche et formalité · Luxembourg Fiduciaries Editorial Team · Reviewed on

Understand the scope

What is this process for?

Aid is neither automatic nor acquired merely by submitting an application. For the investment aid scheme concerned, the application must precede the start of work as defined under the applicable rules.

In your file

How to prepare the process

Prepare objectives, quotations, timetable and financing. Check commitments that could constitute the start of the project before signing. After a favourable decision, comply with the conditions and retain proof of implementation and payment: the initial application and the payment application are separate stages.

A scenario to help you understand

Educational example

An SME is considering new equipment and examines the scheme before accepting a quotation that definitively commits it to the investment.

Fictitious situation, presented to illustrate the concept.

Prepare for what comes next

Points to check

  • Vérifier l’éligibilité du projet
  • Déposer avant l’engagement concerné
  • Conserver les justificatifs de réalisation

Connecting concepts

Terms to know as well

Continue with the concepts, contacts and procedures related to this topic.

Incentive effect of aidA condition intended to establish that public support plays a role in the decision to carry out a project under the rules of the scheme.Ministry of the Economy — business proceduresThe Ministry of the Economy is involved in several business procedures, including business permits and various aid schemes. The competent department depends on the exact purpose of the application.Financial forecastThe financial forecast translates the project's assumptions into expected results, cash flows and financing needs.LuxinnovationLuxinnovation is the national innovation agency. It supports companies in their innovation and development projects and directs them towards relevant programmes, partners and schemes.Working capital requirement (WCR)The working capital requirement (WCR) measures the financing absorbed by the operating cycle, notably inventory and receivables, less operating liabilities.EquityEquity consists of accounting resources including, in particular, capital, reserves and results according to the applicable format.

Put it into practice

Explore further with our guides

Practical guideBusiness aid in Luxembourg: preparing a fundable application

Sources and verification

References consulted on 20 September 2026. Official procedures specify the applicable conditions and exceptions.

This guide explains a general process. The applicable rules depend on your situation; it does not constitute personalised advice. Report a correction.

A definition gives you a reference point. To examine your situation, clarify your question with a professional.