Alexandre Gauthier

Thomas Vaseux is a lawyer recognized by Best Lawyers in the practice area of Administrative Law. Thomas practices law in Paris, France Best Lawyers has recognized Thomas Vaseux since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Thomas Vaseux is held by other lawyers.

Grégoire Andrieux is a lawyer recognized by Best Lawyers in the practice areas of Corporate Law, Mergers and Acquisitions Law and Private Equity Law. Grégoire practices law in Paris, France Best Lawyers has recognized Grégoire Andrieux since 2020. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Grégoire Andrieux is held by other lawyers.

Member of the UGGC Avocats’ Restructuring team for more than 15 years, Marine Simonnot joined the firm as a trainee lawyer before becoming an associate, consultant and then partner in 2020. She advises clients on all aspects of insolvency law, from the prevention of difficulties to their treatment in the context of collective proceedings, both as counsel and in litigation. Marine supports companies of all sizes, their managers and/or shareholders, investment funds, creditors, legal repr...

François Zocchetto is a lawyer recognized by Best Lawyers in the practice area of Tax Law. François practices law in Paris, France Best Lawyers has recognized François Zocchetto since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which François Zocchetto is held by other lawyers.

After he graduated from St Jean de Passy in Paris, Kiril Bougartchev studied at Université Paris II Panthéon-Assas. He has post-graduate diplomas in Business Law (Magistère) and in Tax Law (DESS). He first worked as an intern at l’Oreal in Paris and carried out several internships at renowned US law firms (Coudert Brothers, etc.) and securities brokers (Morgan, Olmstead, Kennedy & Gardner), before he started his career in 1988 as an auditor at Arthur Andersen. A...

Grine regularly advises leading investment funds, managers, and medium to large-sized companies in transactions such as acquisitions, buy-outs, joint ventures, and restructurings.

Hélène Gelas advises on public law, environmental law, urban planning law and energy law, in the field of energy and real estate. She holds a doctorate in law and assists her clients, from large listed groups and investment funds to small and medium-sized French and international companies, with advice and litigation before the administrative courts and in all stages of projects, whether for major real estate development projects or for renewable energy projects (wind, photovolt...

As a business lawyer, Sylvie Perrin mainly intervenes in banking and finance. With a solid reputation in asset and project finance transactions acting for major Banks and Financial institutions, Sylvie assists many Financial Advisers and internationally based companies in organizing the most efficient debt structuring for various types of projects. She is recognized in the setting up of complex, innovative asset and project finance deals. Over her long experience, she has acted for various ac...

Sabine Naugès is a lawyer recognized by Best Lawyers in the practice areas of Administrative Law, Public Law and Regulatory Practice. Sabine practices law in Paris, France Best Lawyers has recognized Sabine Naugès since 2021. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Sabine Naugès is held by other lawyers.

Lionel Attal specialises in competition law, distribution law and Information technology law. He is particularly involved in all types of commercial contracts. Lionel has growing experience in the field of e-commerce and the new business models arising out of the growth of the Internet.