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Audit, litigation and criminal tax lawyers

Tax audits that are increasingly frequent and increasingly strict, even in their cross-border aspects, the proliferation of tax standards, the ever-growing numbers of fiscal and regulatory obligations and the increasingly judicial nature of tax procedures pose greater risks to companies, entrepreneurs and private individuals. Our specialist audit, litigation and criminal tax lawyers will offer you advice and assistance on preparing for an audit, as well as with every step of your dealings with the tax authorities, including any appearance you may have to make before any domestic or European administrative, judicial or criminal bodies.

Our expert lawyers work in close collaboration with the firm’s other teams specialising in transfer pricing, company law or competition law, amongst others. Whenever they need to, they can also draw on the CMS network and our international partners, so that you benefit from a global technical expertise. We are there to help you in advance of any audit procedures, to ensure your practices comply with the regulations in force, throughout the audit to facilitate your relationship with the tax authorities, and once the audit is complete, we will assist you with any litigation and settle any disputes you have, including any criminal tax matters. Our know-how, nurtured by more than 90 years’ practice, combines with an in-depth understanding of your issues, and of changes in the legal landscape, to provide you with the best and most secure safeguards for all relevant concerns.

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Picture of Luc Jaillais
Luc Jaillais
Part­ner
France, Neuilly-sur-Seine
Luc Jaillais joined CMS Francis Lefebvre Avocats in 1991. He specialises in direct taxation: corporate tax and income tax.
Picture of Laurent Hepp
Laurent Hepp
Part­ner
Member of the Management Board
France, Neuilly-sur-Seine
Laurent specialises both in corporate taxation and company group taxation. He advises companies and investment funds, with particular experience in the tax structuring of M&A and private equity...
Picture of Mathieu Daude
Mathieu Daudé
Part­ner
France, Neuilly-sur-Seine
Mathieu Daudé is a lawyer in the International Taxation team. He advises and litigates in matters involving international, intra-group transaction issues (restructuring, transfer pricing) for French ...
Arnaud Donguy
Arnaud Donguy
Part­ner
France, Neuilly-sur-Seine
Arnaud Donguy is a partner in the Direct Contributions Department of CMS Francis Lefebvre Avocats. Arnaud specialises in providing advice and assistance with business taxation and corporate tax, ...
Picture of Pierre-Jean Douvier
Pierre-Jean Douvier
Part­ner
France, Neuilly-sur-Seine
Pierre-Jean Douvier specialises in international law. He co-manages the International team. His four main areas of expertise are:- advice to private clients (family office, legal, regulatory,...
Picture of Jean Christophe Sauzey
Jean-Christophe Sauzey
Part­ner
France, Neuilly-sur-Seine
Jean-Christophe joined CMS Francis Lefebvre Avocats in 1987 and became a partner in 1999. With an expertise in national and international taxation, he focuses mainly on the following areas: taxation ...
Picture of Nicolas Riou
Nicolas Riou
Part­ner
France, Neuilly-sur-Seine
Nicolas is a partner at CMS Francis Lefebvre Avocats specialising in direct taxes. He assists French and foreign multinational groups in the implementation and management of their tax policies. He...
Picture of Jacqueline Sollier
Jacqueline Sollier
Part­ner
France, Neuilly-sur-Seine
Jacqueline Sollier joined the Direct Taxation Department of CMS Francis Lefebvre Avocats in 1982 and became a partner in 1996. Specialised in direct taxation, she is particularly involved in matters ...
 Pierre-Sébastien Thill
Pierre-Sébastien Thill
Part­ner
Chairman of the Executive Board - Chairman of the Executive Committee CMS
France, Neuilly-sur-Seine
Germany, Frankfurt
Pierre-Sébastien Thill is an expert in international taxation. He has been Chairman of the Supervisory Board of CMS Francis Lefebvre Avocats since July 2016. He was the managing partner of CMS F...
de L'Estoile-Campi Agnès
Agnès de l'Estoile-Campi
Part­ner
France, Neuilly-sur-Seine
Agnès de l’Estoile Campi is a partner within the International Taxation team. She mainly works for French multinational groups, assisting them with their international projects (taxation of in...