The glossary to understand and take action

Tax residence

Tax residence determines the tax connection of an individual or a company under national rules and, where applicable, a treaty.

Notion comptable, fiscale ou juridique · Luxembourg Fiduciaries Editorial Team · Reviewed on

Understand the scope

Definition and points to distinguish

It cannot be inferred solely from an address or a registration. An individual's personal situation and a company's effective management must be analysed separately.

In your file

What this changes in practice

Tax residence determines a tax connection under national rules and, where necessary, treaties. It cannot automatically be inferred from an address, registration or bank account. For a company, the location of its management and the facts relating to its organisation may be decisive. Where several countries are involved, the relevant criteria and the consequences for each tax must be examined, without equating residence with a permanent establishment.

A scenario to help you understand

Educational example

A company has a registered office in Luxembourg, but its decisions are made elsewhere. It has the management facts and treaty framework analysed rather than considering the domiciliation agreement to be a sufficient answer.

Fictitious situation, presented to illustrate the concept.

Prepare for what comes next

Points to check

  • Documenter les lieux de décision
  • Examiner les règles des pays concernés
  • Distinguer résidence et établissement stable

The practical question

Find out more

Un certificat de résidence règle-t-il toutes les questions transfrontières ?

Il atteste une situation dans le cadre de sa délivrance, sans remplacer l’analyse de chaque opération ou des conditions conventionnelles. Un établissement stable, une retenue ou une règle anti-abus peut poser une question distincte. Les faits de direction et d’activité doivent rester cohérents avec la résidence invoquée ; le certificat n’efface pas une organisation réelle différente.

Connecting concepts

Terms to know as well

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

Registered officeThe registered office is a company's statutory address, linked to its legal organisation.Permanent establishmentA permanent establishment is a concept linking an activity to a territory, assessed under the relevant tax framework.Economic substanceEconomic substance refers to the actual elements of organisation, resources and decision-making assessed in the analysis of an activity or structure.Tax adviceTax advice consists of analysing the tax consequences of a situation and explaining the applicable options and obligations.Withholding tax on dividendsTax withheld when a dividend is made available and declared by the debtor company in accordance with the applicable rules.A1 CertificateThe A1 certificate confirms the social security legislation applicable to a person in certain situations involving European mobility.

Put it into practice

Explore further with our guides

Practical guideCross-border entrepreneur: changing fiduciary services without disrupting continuityPractical guideSetting up a business in Luxembourg: assessing the feasibility of the projectPractical guideCross-border teleworking: separating tax and social security rulesPractical guideDistributing dividends: preparing the decision, withholding tax and payment

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.