Tanguy Gillain

Tanguy Gillain


Tanguy Gillain assists multinationals, SME’s and executive managers in various aspects of business law. He advises, drafts agreements, negotiates and handles litigation.

Specialized in employment Law and social security, Tanguy focuses on Human Resources issues: individual and collective labor relations, international occupation of workers, remuneration policy, company transfers, issues of well-being at work, social elections, as well as the termination of employment contracts. Tanguy is the author of publications on these subjects and a regular speaker at conferences.

He has also developed extensive expertise in commercial litigation (sales, rentals, independent collaboration contracts, distribution, trade practices), real estate and construction law, as well as insurance and liability law.

He acts for clients operating in various sectors, including the financial sector (banks, insurance companies, brokers), industry (mechanical engineering, pharmacy, food, electronics), real estate (property developers, agents, co-owners), construction (architects, engineering firms, contractors), the hotel sector (catering, vending) and transport (logistics).

Tanguy is a native bilingual (Dutch – French) and he works in English. His strengths are his knowledge of the business and the concerns of his clients, combined with his honesty and accessibility. His opinions and advices are legal and pragmatic, ready to be applied immediately.


T. GILLAIN « Praktische aspecten van aansprakelijkheidsverzekeringen voor bestuurders (D&O), Legal Lunch, 19 mei 2017.

T. GILLAIN « Questions fiscales et sociales liées à l’occupation transfrontalière dans le cadre de prestations de services au sein de l’UE », Séminaire organisé par l’Agence bruxelloise pour l’Accompagnement de l’Entreprise (Hub.Brussels), 16 juin 2019.

T. GILLAIN « De impact van het Wetboek van Vennootschappen en Verenigingen op de HR-praktijk. Het sociaal statuut en de aansprakelijkheid van bestuurders”, Legal Lunch, 22 oktober 2019.



Brussels Bar, 2011


  • Bachelor in Law (UA), 2009
  • Master in Law (major in business law) (UA), 2011
  • Special Degree in Labour Law (ULB), 2014


Dutch, French, English