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Taxation IT

Our expertise for your strategic operations

Companies are often overwhelmed when confronted with their obligations, the tax authorities’ investigation techniques and the conditions under which computerised tax audits are carried out, which require a combination of tax and IT expertise.  

They are now also faced with adaptations to their information and invoicing systems due to a sizeable reform that imposes new obligations of electronic invoicing and declarations of transactional data.  

To guide you in these key issues, our multi-disciplinary team combines the technical skills of our taxation IT team with the legal expertise of our specialist lawyers and works hand-in-hand with the other teams in the firm. We also work in close collaboration with your company’s financial decision makers and IT technicians.  

Advice, audit and litigation: global assistance

Our experts are ready to address any issue related to electronic accounting in order to prepare for the tax authority's requirements for tax audits. We advise you on how to bring your information system into compliance with the requirements of the tax regulations. Our expertise covers studying your information and management systems with regard to your legal tax obligations, particularly regarding electronic data and documentation, restructuring, and offering guidance to have your software/till systems certified, as well as ensuring that your management rules are correctly transcribed in your information system (e.g. verifying the VAT code parameters).   

Our inter-disciplinary tasks also cover auditing and bringing your bookkeeping file into compliance.   

Our team offers full guidance on switching your company to the new electronic invoicing obligations to submit the transaction data and all the obligations related to VAT, in particular preparing a reliable audit trail.   

With regard to these obligations, our team works alongside you for tax audits and coordinates an efficient strategy during your exchanges with the authority, whether it is answering electronic questionnaires, a letter instigating electronic processing, assistance with completing IT processing or even in response to an adjustment proposal.   
  
Finally, our experts assist you in all types of disputes or taxation IT issues.   

Recognised expertise

Based on its solid reputation, our team is ready to assist any type of company, regardless of its size (listed companies, SME, start-ups, large corporate groups) or their business sector (retail, industrialists, energy companies, banks, insurers, etc.).  

Taxation IT

Electronic invoicing and transmission of transactions data to the tax authorities

20 Feb 2025 4 min read

Electronic invoicing: What does the reform entail?

17 Oct 2024 13 min read

Glossary of electronic invoicing

08 Jul 2022 8 min read

Tax Connect | Increasing budget requirements of European countries - implications for taxpayers

19 Jul 2012 3 min read

CMS Tax Connect | Tax strategies in a time of crisis: the challenges and the opportunities

04 Jun 2010 1 min read

Events

  • France
    08 Apr 2026

    CMS at Fordham IP & Policy Conference

  • France
    16 Apr 2026

    Green claims in focus

  • France
    21 Apr 2026

    On the Pulse webinar series 2026 - Spring/Summer

  • France
    28 Apr 2026

    IP Insights webinar series 2026

  • France
    02 May 2026

    CMS at INTA 2026

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