Gladius S.à r.l.-s
Gladius S.à r.l.-s is a Luxembourg simplified private limited company established to provide independent management consulting and corporate advisory services to family offices, holding structures, entrepreneurs, and private clients.
Based in Luxembourg, Gladius S.à r.l.-s serves as a platform through which strategic, operational, and organisational matters can be coordinated within a structured and professional framework.
Institutional Coordination
Private interests often involve multiple structures, advisers, jurisdictions, and counterparties. Gladius provides an independent layer of coordination, ensuring that all participants work towards a common objective with clarity, discretion, and continuity.
Service Provider Oversight
Management of Complex Matters
Long-Term Stewardship
Coordination of legal, tax, accounting, audit, banking, and corporate service providers to ensure that advice remains aligned, information flows efficiently, and decisions are implemented effectively.
Assistance with cross-border projects, corporate actions, banking relationships, restructurings, acquisitions, and other matters requiring coordination between multiple stakeholders and professional advisers.
Acting as a trusted point of contact for families and entrepreneurs seeking a structured approach to the management of their affairs, helping preserve visibility, control, and continuity over time.


Director & Sole Shareholder
Gauthier Baron
As Director and Sole Shareholder of Gladius S.à r.l.-s, Gauthier Baron brings experience gained across family office environments, corporate structuring projects, governance matters, and private client advisory.
His practice focuses on assisting clients with strategic organisation, project coordination, corporate administration, governance matters, and the management of relationships with professional advisers and counterparties.
Mr. Baron approaches each mandate with a commitment to clarity, responsiveness, and the delivery of practical solutions tailored to the specific needs of each client.
A Permanent Presence
Certain affairs require ongoing attention rather than occasional intervention. Structures evolve, obligations arise, and opportunities emerge over time.
Gladius S.à r.l.-s serves as a permanent and reliable presence alongside its clients, providing continuity, institutional memory, and a consistent point of contact across the matters entrusted to it.