Guillaume Milde

Guillaume is a senior associate in our Corporate & Finance team. He specialises in corporate and commercial law, with a particular focus on corporate restructuring and mergers and acquisitions. He advises clients on corporate and commercial matters in both Belgian and cross-border transactions involving a Belgian element. Guillaume has experience across various sectors, including life sciences and energy. Before joining Quinz in November 2025, Guillaume worked at PwC Legal, where he was seconded to Fluxys between May and December 2021, gaining valuable in-house experience and developing further expertise as external legal counsel in the energy transportation sector. He subsequently worked at NautaDutilh in both Amsterdam and Brussels. Since 2023, he has also been a teaching assistant in corporate law at the Jan Ronse Institute (KU Leuven). Guillaume is a member of the Brussels Bar since 2018. · Quinz

BelgiumCorporate / M&A, Restructuring

Email Call Website

About

Senior associate in Quinz's Corporate & Finance team specialising in corporate and commercial law with a particular focus on corporate restructuring and mergers and acquisitions. He advises on Belgian and cross‑border transactions, has sector experience in life sciences and energy, is a member of the Brussels Bar since 2018, previously worked at PwC Legal (seconded to Fluxys in 2021) and NautaDutilh, and since 2023 has been a teaching assistant in corporate law at the Jan Ronse Institute (KU Leuven).

Practice areas

Corporate / M&ARestructuringCommercialBanking & Finance

Office

Belgium

Quinz · Guillaume is a senior associate in our Corporate & Finance team. He specialises in corporate and commercial law, with a particular focus on corporate restructuring and mergers and acquisitions. He advises clients on corporate and commercial matters in both Belgian and cross-border transactions involving a Belgian element. Guillaume has experience across various sectors, including life sciences and energy. Before joining Quinz in November 2025, Guillaume worked at PwC Legal, where he was seconded to Fluxys between May and December 2021, gaining valuable in-house experience and developing further expertise as external legal counsel in the energy transportation sector. He subsequently worked at NautaDutilh in both Amsterdam and Brussels. Since 2023, he has also been a teaching assistant in corporate law at the Jan Ronse Institute (KU Leuven). Guillaume is a member of the Brussels Bar since 2018.

Belgium

Expertise

Mergers & AcquisitionsCorporate RestructuringCross-border TransactionsLife SciencesEnergy (including energy transportation)In-house secondment experience (energy sector)

Admissions

Admitted to the Brussels Bar, 2018