
Gibson, Dunn & Crutcher advises on a broad range of equity capital markets transactions across the UK, U.S., and Middle East, including IPOs, secondary fundraisings, and SPAC listings. The team is especially active in the technology, life sciences, and energy sectors, and offers integrated UK and U.S. securities law expertise from its London base. The team is led by Chris Haynes and Steve Thierbach, who ‘are renowned experts in their field and always guaranteed to provide a first-class service’. The pair are highly active on IPOs, rights issues, and both public and private M&A. Thomas Barker and Sarah Leiper-Jennings are also recommended for their broad support across the full range of mandates.
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Legal 500 Editorial commentary
Accolades
Client satisfaction: Lawyer & team quality
Client satisfaction: Sector knowledge
Testimonials
Collated independently by Legal 500 research team.
- ‘They are particularly strong at collaboration and relationship building.'
- ‘Chris Haynes. Really knowledgeable, expert in his field. I have very much valued the time he takes to build a long term relationship.'
- ‘The team are all very responsive, helpful and knowledgeable.'
- ‘Chris Haynes is the stand out partner. Always available, top of his game and a truly trusted advisor.’
- ‘Chris Haynes and Steve Thierbach are renowned experts in their field and always guaranteed to provide a first class service and be available.’
- ‘I have enjoyed the partner led approach of Chris Haynes and Steve Thierbach.'
Key clients
- talabat and Delivery Hero
- ADNOC and ADNOC Gas
- Trustpilot
- Barclays Bank
- KKR
- AO World
- Avacta Group
Lawyers
Hall of Fame
The lawyers at the very top of the profession, widely known and respected by peers and clients for their longstanding involvement in market-leading work.

Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Practice head
Chris Haynes; Steve Thierbach
Other key lawyers
Thomas Barker; Sarah Leiper-Jennings

