Supporting Belgian cross-border workers
More than numbers. It’s about people.
Luxembourg-Belgique
Are you
a belgian individual
a belgian company
a belgian freelancer
in Luxembourg ?
At Atlas Fiduciaire, we support Belgian cross-border workers with their professional procedures related to activities carried out in Luxembourg.
Working closely with a partner accounting firm based in Belgium, we offer cross-border expertise that allows you to approach tax matters with confidence and ensure full compliance with income tax obligations in both Luxembourg and Belgium.
Our team also supports you with administrative procedures, the organization and management of your activities, as well as key steps involved in starting or developing your business.
Our cross-border consulting and support
Our personalized approach aims to make often complex procedures more accessible and to ensure compliance with legal and tax obligations in both Luxembourg and Belgium.
Whether you need to obtain an authorization, set up a company, open a bank account, or organize your taxation efficiently, we tailor our advice to each situation to provide customized, practical, and effective solutions.
Taxation
Tailored tax management for cross-border workers and companies in Belgium and Luxembourg, aimed at optimizing and enhancing their income and assets.
Income tax return
Clear management of your cross-border tax filings, enabling reliable tax handling and avoiding double taxation.
Business setup
Supporting your entrepreneurial project in both Belgium and Luxembourg, we help you choose the structure best suited to your activity and provide strategic, practical solutions for your future company.
Accounting and legal compliance
Review and adjustment of your financial, tax, and accounting obligations to ensure full compliance with cross-border regulations in both countries.
Our clients profiles
Who can benefit from our services?
We work with a wide range of clients, from local businesses to international groups, self-employed professionals, and investors. Our services are tailored to the unique needs of each client, with a focus on listening, flexibility, and building trust.








Have a project or questions? Let’s talk!
Schedule a meeting with us to define your project and receive personalized support, tailored to your business needs in Luxembourg.