De Brauw Blackstone Westbroek handles the full gamut of debt capital mandates, from standalone bond issuances to complex multi-jurisdictional bond programmes and strategically structured convertible bonds. Practice co-head Bas Boutellier is well-regarded for his skills in handling offerings with sustainability-linked features and high-value euro bond issuances. Fellow team co-head Ferdinand Hengst is regularly called upon by a range of borrower-side clients across the oil and gas, technology and telecoms sectors. The ‘very knowledgeable’ and ’very skilled’ Lisa de Boer is a further key contact. Rosa Temminghoff joined the firm from Simmons & Simmons in December 2025.
Legal 500 Editorial commentary
Accolades
Client satisfaction: Lawyer & team quality
Client satisfaction: Sector knowledge
Testimonials
Collated independently by Legal 500 research team.
- The Brauw team is very pragmatic and knowledgeable about the matters they assisted me with. It was a pleasure to work with them.
- Bas Bouttelier (partner) is very pleasant to work with and is very much on the ball. Lisa de Boer (senior associate) is also very pleasant to work with and delivers with a lot of attention to detail.
- Lisa de Boer - great leadership, both from a strategic and practical mindset. Bas Boutelier - dares to ask questions outside his expertise, a great leader of the team, empowering others to step up while staying involved.
- Practical, efficient, very human, and cooperative.
- ‘Besides deep expertise, the team feels like an extension of our own. Working with this team is far beyond just hiring expertise.’
- ‘Always available, deep expertise, strong demonstration of resilience.'
- 'They continue moving fast when things are under pressure.’
- ‘The team is super responsive, friendly, fast and knowledgeable. They think outside the box and offer pragmatic solutions. It is a pleasure to work with them.'
- ‘Bas Boutellier has a lot of experience which sets him apart from competitors. As a result he comes up with solutions that are pragmatic and workable.'
- ‘We mostly work with Bas Boutellier. He is always spot on, full of knowledge in the sector and definitely knows what a company needs.’
Key clients
- TenneT
- Gasunie
- Just Eat Takeaway
- Akzo Nobel
- CTP
- NXP
- LyondellBasell
- CM.com
- Signify
- Digital Realty
Work highlights
Advised TenneT on a new funding structure, including the envisaged transfer of over €60bn debt portfolio, €16bn consent solicitation and Dutch State guarantee
Assisted CM.com on the tender offer and consent solicitation for its convertible bonds.
Assisted TenneT on the issuance of €1.1bn green hybrid bonds.
Lawyers
Next Generation Partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.
Practice head
Bas Boutellier; Ferdinand Hengst
Other key lawyers
Lisa de Boer; Rosa Temminghoff