Advensys Conseil

is an accounting company

that also provides tax optimization and coaching service

Contact us

About us

Advensys Conseil is your expert in accounting service,
tax advice in Luxembourg,
France, Britain, India and the USA

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We help client’s business
to grow reliably from 2007
for more than 450 clients

Our clients value our Guidance, Advice and professional One-Stop-Shop Solutions

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Discover our benefits

  • 01


    Reliable business

    More than advisers and guidance, we aim to become strategic business partners for our
    We support them at all stages of business development, and offer them a full range of services.

  • 03


    in Luxembourgish, French and British

    As a global accounting firm deeply rooted in Luxembourg, we are strategically placed to help, assist and advise our clients on all areas of operation. Our aim is to stay ahead of legal trends, anticipate business needs and provide clients with innovation solutions.

  • 05


    business strategy

    For more than 15 years, clients have been at the heart of everything we do. Our clients are central to our strategy, culture and the way in which we deliver our service. While each client is unique, our standards of excellence are universal.

  • 02


    Advanced delivery

    Bespoke solutions for successful cooperation. To meet your personal objectives, we bundle our expertise and offer well thought-out a single source that ideally fulfill your needs.

  • 04


    Common goal

    We have a common goal with you: lead our businesses towards success, growth, development and contribution.

  • Contact us


Noah N****, Financial Company
  • «I represent a financial organization and for us it was important to get all service at one place, as it is nowadays called “one-stop-shop” solution.
  • And you know it’s hard to find a good accountant who will help you personally and your business with professional and on time advice. But now we had a success with Advensys Conseil. Their advice helped us save and optimize lots of money. It is a pleasure to cooperate with all the team of Advensys Conseil, because all the service provided is professional and with care of the client and its needs. And we value especially the package options with accounting, tax advice and coaching included. Highly recommend!»
Nicolas L******, Importer of manufactured goods
  • «Hello ,
    I work in the import of manufactured goods.
    I have been working with Advensys Conseil since the creation of my company.
  • Advensys Conseil takes care of my accounting in a reactive, efficient and involved manner. Very satisfied with the service provided to me, I recommend Advensys Conseil as soon as I have the opportunity.
    Best regards.
    Nicolas L*****»
Zenona N*******, Beauty Salon Owner
  • «Very good advice, each question has an adequate answer, nothing to complain about, I can only recommend»



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Special offer

Private Tax Return

from 299 euro

Change your accountant and become client of Advensys Conseil. Get discount of

10 % for 1st year

Apply for online Tax Optimisation Consultation before

31st of march and pay 85 euro instead of 100 euro

Book now your first free coach session and get discount for a package

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