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Accounting and tax expertise in Luxembourg

WAT Fiduciary, the fiduciary that makes your life easier! Optimise your financial and fiscal management with our professional team.

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A tailor-made fiduciary, it is possible.

Are you looking for an accountant for your tax return? Do you need advice to better manage your company? Our Fiduciary provides a wide range of services as well as personalized support. Whatever your doubts are, we are here to appease them.

Discover the advantages of working with WAT Fiduciary

If you are looking for a quality fiduciary to manage your finances and help you achieve your financial goals, then WAT Fiduciary is the ideal solution for you.

We strive to provide our clients with a quality service, putting our know-how and experience at their disposal.

By choosing WAT Fiduciary, you will benefit from our constant availability to answer all your questions and guide you through your financial journey. We work diligently to offer you the best solutions to achieve your financial goals.


We value a long-term relationship, applying the principles of honesty and integrity on a daily basis.


Our human-sized team offers you real support. Please do not hesitate to visit us or call us for any questions.


A tailor-made fiduciary, with a quality service that exceeds your expectations whatever the assigned task.


We update ourselves regularly and work with a network of recognized specialists in Luxembourg.

Do you have a question?

Please fill in your details and our advisor will contact you as soon as possible.

They trust us

Self-employed, SMEs, financial companies, regulated companies or private individuals: by working with WAT Fiduciary, our clients benefit from expert advice and optimal solutions in accounting, taxation, legal secretariat and more. You too can choose to be well looked after.


Bertrand G.

I am extremely impressed with the level of knowledge and skill of WAT Fiduciary. They have provided me with sound advice on managing my finances and have enabled me to make informed decisions for the future.



Christine W.

I highly recommend WAT Fiduciary for their expertise and personal attention to my financial needs. They have helped me optimize my tax returns and maximize my savings.



Ronald D.

I have worked with WAT Fiduciary for my tax returns and I am very satisfied with their service. They are professional, efficient and always available to answer my questions.