Ceinwen Rees

Ceinwen Rees is a tax partner in the London office of Kirkland & Ellis International LLP. She is widely recognized as a leading UK tax lawyer, combining her extensive market knowledge with legal and tax technical experience. Ceinwen advises on a broad range of complex tax and structuring matters with a particular focus on advising investment fund managers across their life cycle, from fundraising to deployment and realization.

Ceinwen has a particular focus on investment management house matters; including partnership tax issues and management incentive arrangements such as carried interest and co-invest. She also works with clients to navigate HMRC enquiries arising in this space.

Ceinwen is recognized in both Legal 500 and Chambers as a leading individual, where she is described as an “outstanding” practitioner and as someone who “breaks down concepts, explains them in an easily understandable manner and comes up with commercial practical solutions.”

External Recognition

• Chambers & Partners UK and The Legal 500 UK: Recognised as a leading lawyer (2025).