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Partners

Guillaume
  • Paris

Thuleau
  • Paris

Languages : French, English

Paris Bar (2007)
Partner at Racine since 2024

Contact :

Tel : +33 1 44 82 43 00

Expertise

Career

Landwell & Associés

Taylor Wessing

Education

Post graduate degree (DESS) in legal and labor relations practices

Master in general private law (Université Paris II Panthéon-Assas)

Team's
recongnitions

Rankings

  • Option Droit et Affaires - 2025: PES and collective disputes
  • Legal 500 - 2025: Employment
  • Chambers - 2025: Employment
  • Décideurs - 2024: Labor & Employment – Collective bargaining and social relations
  • Décideurs - 2024: Labor & Employment – Representation of senior executives
  • Décideurs - 2024: Labor & Employment – Collective and individual compensation
  • Décideurs - 2024: Labor & Employment – Social compliance
  • Décideurs - 2024: Labor & Employment – Reorganizations, socials programs, and related litigation
  • Décideurs - 2024: Labor & Employment – Mobility and expatriation
  • Décideurs - 2024: Labor & Employment – Reorganizations, socials programs, and related litigation
  • Décideurs - 2024: Labor & Employment – Social management of M&As and social audits
  • Décideurs - 2024: Labor & Employment – Additional social protection
  • Legal 500 - 2024: Employment
  • Chambers - 2024: Employment
  • Chambers - 2022: Employment

Awards

  • 2023: Sommet du Droit

    Social reorganizations

  • 2019: Trophées du droit et du contentieux

    Employment law – Restructuring: Silver Trophy

The team

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News and latest publications

Press releases

18/09/25

Racine advised the AUREA Group on the sale of its subsidiary, M. Lego, to Lebronze Alloys

Paris, 18 September 2025 – Racine advised AUREA, a leading European waste recycling and regeneration company, on the sale of its subsidiary, M. Lego, to Lebronze Alloys (LBA). M Lego specialises in producing and marketing high-quality copper alloys in the form of semi-finished products. The...
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Press releases

16/07/25

Racine assists Weinberg Capital Partners in its investment in Summa

Paris, 16 July 2025 – Racine advised Weinberg Capital Partners on its investment in Summa, a new player in the public accounting, auditing and consulting market. This is the fourth investment of the WCP#4 LBO fund, which focuses on acquiring B2B service companies with strong growth potential. The...
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RSE

30/01/25

Racine assists the German group ACO in its acquisition of Limatec

Paris, 29 January 2025 – Racine has assisted the German group ACO, world leader in surface water drainage systems, in its acquisition of the French company Limatec, a specialist in stainless steel drainage systems. The German ACO Group, the world leader in surface water drainage systems, has...
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