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moreRSM, the world’s 6th largest network in audit, accounting, and consulting, announces its strategic combination with the business law firm Fidufrance, now operating under the new identity RSM Avocats.
Fidufrance specialises in business law, with a focus on advisory services and the negotiation of mergers and acquisitions or equity financing transactions.
By integrating audit, accounting, and consulting, RSM France is further enhancing its advisory services with a stronger presence in legal professions. The new entity brings together 30 professionals, including 14 lawyers.
RSM France, member of the world’s 6th largest network in audit, accounting, and consulting, expands its advisory offering by joining forces with Fidufrance Avocats, now operating under the brand RSM Avocats.
The firm’s history dates back to 1933. It became a law firm in 1992. Its five partners — Denys Angeloglou, Arnaud Bied, Jean-Marie Bonneville, Grégoire Gilbert, and Vincent Hominal —initiated and are leading this integration with RSM France.
With the addition of RSM’s legal team in Paris, the firm now comprises 30 professionals, including 14 lawyers.
Strengthened expertise in legal services
Fidufrance is a business law firm mainly involved in advising and negotiating mergers and acquisitions (M&A) and equity financing transactions (private equity, IPOs), as well as providing legal counsel and operational support in the structuring and restructuring of companies, and in the structuring and transfer of business owners' personal assets.
This partnership with RSM France reflects a strong alignment of values, centred on fully supporting business leaders and entrepreneurs in all their legal and economic challenges.
This integration enables RSM France to extend its range of services to businesses through interdisciplinary collaboration with the legal profession, in strict compliance with the regulations governing each profession—ensuring the highest standards of competence and ethics.
"Our integration with Fidufrance is a sign of confidence in our model and enables us to offer our clients enhanced support in legal services," says Stéphane Marie, président of RSM France.
"Driven to support our clients at the heart of their concerns, this human and professional alliance allows us to offer a more comprehensive approach", says Arnaud Bied, head of RSM Avocats.
Denys Angeloglou
Denys Angeloglou joined Fidufrance in 1972. He has been a member of the Paris Bar since 1977, with a legal specialisation in tax law.
He specialises in the legal and financial aspects of restructuring transactions (for high-net-worth individuals or large corporate groups), acquisitions, disposals, and LBOs.
His experience, adaptability, and rigour enable him to support clients operating in a variety of sectors, including industry, services, and retail.
He works in French, Spanish, and English.
Arnaud Bied
A graduate of Lyon III and Paris V Universities, Arnaud began his career in 1984 at FIDAL in Rennes before joining Fidufrance in Paris in 1987, now RSM Avocats as of January 1, 2025, where he is a partner.
He primarily supports medium-sized and intermediate companies across all sectors and at every stage of their development—from creation to sale or listing—addressing their needs in structuring, restructuring, equity or debt financing.
He has drawn from his original background in consulting a strong legal and drafting expertise, and from his legal profession the ability to advocate for clients’ rights through negotiation and the pursuit of fair, tailored solutions, in full compliance with professional ethics and business integrity.
Jean-Marie Bonneville
Holder of a DEA in Private Law (Paris XII), Jean-Marie became a partner at Fidufrance in 2000, which is now RSM Avocats as of January 1, 2025, where he remains a partner.
He has been a member of the Paris Bar since 1992, having previously worked as a legal advisor.
With over thirty years of professional experience, primarily focused on corporate and business law, he advises within the firm on mergers and acquisitions (acquisition agreements, warranties of assets and liabilities, restructuring operations...) and corporate law (business creation, high-level capital transactions, shareholder agreements).
Grégoire Gilbert
Holder of a Master 2 (DESS in Business Law and Taxation from Paris I - Panthéon Sorbonne), Grégoire began his career in 2003, the year he was admitted to the Paris Bar.
Before joining Fidufrance, which became RSM Avocats as of January 1, 2025, Grégoire spent ten years at a firm made up of former legal advisors, during which he developed a dual professional practice in corporate law and tax law, with a constant focus on combining expertise and availability.
He advises on corporate law and tax law in the day-to-day operations of companies and in the context of transfers and restructurings, primarily for SMEs and mid-sized companies across various sectors.
Additionally, he has developed expertise in fundraisings and LBO operations, as well as in providing assistance with the legal and tax regulations for private equity players (portfolio management companies and investment funds).
Vincent Hominal
Holder of the CAPA and two Master’s degrees (DESS in Business Law - Lille II & DEA in Private Law - Lyon III), Vincent began his career in 2001 as a legal advisor at a Lyon-based law firm, composed of former legal and tax advisors, before joining, in 2005, an independent Parisian law firm specializing in companies and their executives. He then became a partner in 2013 at Fidufrance, which became RSM Avocats as of January 1, 2025, where he remains a partner.
He has been admitted to the Paris Bar since 2005.
Vincent primarily advises mid-sized and intermediate companies across all sectors of activity at every stage of their development, from inception to sale or listing, covering all their needs in terms of structuring, restructuring, and equity or debt financing.
