
Simpson Thacher & Bartlett LLP has a robust track record for its retail funds work, alongside its broad regulatory offering of capital raisings, financial services M&A and regulatory developments for fund sponsors. The team is jointly headed by Owen Lysak, a key figure in UK and EU financial services regulation, who acts for leading private fund sponsors, asset managers, and financial institutions on complex matters including AIFMD, MiFID II, UCITS, regulatory capital, market abuse, securities offerings, and the structuring and distribution of innovative private markets investment products. Co-head Stephanie Biggs utilises her deep experience in advising on fund structuring, licensing, capital structuring, securities law compliance, and financial services M&A. Another notable figure is sustainable finance expert Matt Feehily.
Legal 500 Editorial commentary
Accolades
Client satisfaction
Testimonials
Collated independently by Legal 500 research team.
- 'First-rate team, both at partner and associate level. Always accessible, very commercial and easy to deal with. Seamless communication across team, have helped us immensely in an area we had very little prior knowledge.'
Key clients
- Actis
- Apax Partners
- Ares Management
- Astorg
- Bridgepoint
- Cinven
- CVC
- EQT
- Franklin Templeton
- Hg Capital
- Jefferies Credit Partners
- KKR
Work highlights
Advised EQT in connection with the establishment of its tenth buyout fund, EQT X. EQT announced that the fund raised €22 billion (US$24 billion), exceeding its €20 billion target.
Represented Franklin Templeton on the establishment of the Franklin Lexington PE Secondaries Fund (FLEX-I), co-advised by Lexington Partners.
Advising Jefferies Credit Partners on the establishment of its European private credit platform.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Practice head
Owen Lysak; Stephanie Biggs
Other key lawyers
Matt Feehily