Walter Billet Avocats demonstrates proficiency throughout the business lifecycle, with noteworthy experience in early-stage and follow-on financings including Series A, B and C rounds. Practice head Fabien Billet provides companies and investment funds with guidance on structuring financing rounds and capital structures aligned with their growth ambitions. The practice was further strengthened in 2025 with the promotion of Christophe Cussaguet to partner and co-head of the team.
Legal 500 Editorial commentary

Accolades

Client satisfaction: Lawyer & team quality
Client satisfaction: Billing & efficiency

Testimonials

Collated independently by Legal 500 research team.

  • ‘Always very available and attentive. Defends our interests as if they were their own. Enjoys finding innovative solutions to problems. Excellent interpersonal skills.’
  • ‘Fabien Billet has a keen understanding of opposing parties and the right balance to strike in a negotiation. Christophe Cussaguet has excellent command of all cases, immediate availability, unparalleled productivity.’
  • ‘The team distinguishes itself through its strong expertise in supporting innovative and growing companies, as well as the investors who back them. It stands out for its nuanced understanding of the specific challenges of fundraising, and also for its ability to handle a wider range of transactions, including refinancing and capital restructurings.'
  • ‘I collaborate very regularly on cases with Walter Billet. We particularly enjoy working with them. Their pragmatic and business-oriented approach moves cases forward.’

Key clients

  • Akur8
  • Leakmited
  • Standing Ovation
  • Balderton Capital
  • Alpha Intelligence Capital
  • AdYouNeed

Work highlights

Advised key repeat client Akur8 regarding its €100 million-plus financing round, including global investors, while also negotiating a strategic acquisition expanding our client’s reach in North America.
Advised Alpha Intelligence Capital as one of the lead investors of the seed financing round of FlexAI.
Advised Balderton Capital as one of the lead investment funds for DeepIP’s financing round.
Practice head

Fabien Billet; Christophe Cussaguet