Founding Partner, Chartered Accountant and Statutory Auditor,

After 15 years of experience in firms such as Deloitte, Constantin Associés (Paris and London Offices) and E3C (now integrated into Fiducial), Laurent is a co-founder of ADVISE UP Associés

This rich career has allowed him to acquire a broad range of skills, first of all in chartered accountancy. Laurent begin his career in an E3C office, where he managed client portfolios for merchants, tradesmen, professional service practitioners, home businesses and SMEs.

In 2001, Laurent joined Constantin Associés at the Paris office and then in London in 2005. He built up a solid experience in Audit and in Transaction Services, enabling him to provide pertinent advice to both small and large structures. He accompanies both entrepreneurs and the subsidiaries of large groups in establishing themselves across the Channel. This international experience allows him to be very familiar with reporting systems in the English-speaking world.

Returning to Paris in 2007, Laurent joined Deloitte as senior manager. For five years he would provide management for numerous due diligence matters in addition to statutory auditor work, for a diverse clientele both in terms of their businesses and their size, from small businesses to listed groups.

Passionate about the business world and its ins and outs, he accompanies home offices and SMEs in their everyday management. He is attentive to entrepreneurs and business leaders, in order to meet their needs and respond to the specific issues in each situation.

Laurent likes the business world, entrepreneurs, sailing, cycling and Brittany.

Main fields

  • Chartered Accountant and Statutory Auditor
  • Advising entrepreneurs and business leaders
  • Purchase audits (Transactions services)
  • Consolidation
  • Reporting in the English-speaking world
  • Advising and accompanying (Banking sector)


Tel: +33 (0)9 80 61 84 93

Mob: + 33 (0)6 95 72 19 84

E-mail: l.merias(at)