ABOUT

Lead up is a law firm dedicated to litigation, arbitration and alternative dispute settlement mechanisms.

Lead up’s lawyers are involved in litigation before State courts and arbitral tribunals, both in international commercial and investment arbitration.

They also advise their clients on dispute avoidance strategies through negotiation and other amicable dispute settlement means, such as mediation, conciliation and dispute boards.

Having been involved in over 150 litigation and arbitration disputes, Lead up’s team advises the full spectrum of international business operators (private and public companies, foreign investors, States, etc.) in various industries, including construction, hotels, automotives, banking, pharmaceuticals, telecommunications, defense, energy, mining, trading, transports and logistics, agriculture, infrastructure and distribution.

Lead up’s partners, Julien Maire du Poset, Anne-Sophie Tonin, Baptiste Rigaudeau and Ramy Bassily, have been involved in disputes in Africa, Europe, the Middle East, Asia, North and South America, and Australia, and have handled proceedings in English, French, Arabic and Spanish.

The firm’s expertise was recognized by the 2026 Palmarès du Droit (14th edition), which named Lead up as the best Paris-based firm in the category “Arbitration and Alternative Dispute Resolution” among firms with fewer than 10 lawyers. The firm also stood out by securing 2nd place in “Commercial Litigation”, in “Distribution and Consumer Law” and 3rd place in “Commercial Law and Commercial Contracts.”

In 2026, Lead up confirmed its excellence by ranking at the top level (“Tier 1”) in Best Lawyers’ list of leading French firms in “Arbitration and Mediation.”

These distinctions reflect the trust of our clients and the quality of our lawyers’ work.