High Net Worth Guide 2026 : UK-wide
Ranked Individuals
Provided by Chambers
Jospeh Hage Aaronson & Bremen is notable for its litigation work across various practice areas, but its art law team handles non-contentious matters as well as disputes. Its experienced lawyers advise clients on private transactions, auction sales and purchases, and disputes concerning ownership and authenticity.
Provided by Chambers
They apply extensive real-world experience to complex legal issues and strategic approaches.
The team at Joseph Hage Aaronson & Bremen has combined experience of having worked for a major international auctioneer. This has resulted in a breadth of knowledge that means they require the minimum of instruction to fully understand the issues and to respond in a straightforward manner.
Their deep subject matter expertise adds real value, translating complexity into clear, actionable guidance.
Provided by Chambers
Jonathan Olsoff is admitted to practice in New York and is a registered foreign lawyer in the UK. He uses his vast experience earned in-house at Sotheby's to advise on a range of contentious and transactional mandates.
Jonathan Olsoff is one of the finest attorneys I have ever worked with. He is the most strategic thinker I have met. He can size up a situation and figure out a way forward. As a transactional lawyer he is able to tweak things, so the client gets what they want but the other side doesn't get annoyed, and litigation-wise, he has the same ability to see the bigger picture.
Jonathan is superb and really has the experience with dealing with transactional and disputes work in the art world. He has a very strategic mind, and because he has been doing this so long and worked at an auction house, he has seen a lot of things.
Jon Olsoff was above and beyond knowledgeable, completely strategic and achieved the result we wanted. The depth of his knowledge of the workings and players in the art world worked to our advantage, and he worked professionally with the utmost politeness.
Jonathan Olsoff is an excellent lawyer with a great depth of knowledge regarding art matters.
Jonathan Olsoff is a trusted adviser who pairs strong expertise and sound judgement with attentive and service‑oriented client engagement.
Antonia Serra is a partner at Joseph Hage Aaronson & Bremen and dual-qualified in Spain and in England and Wales. She brings a significant amount of in-house experience from Sotheby's to her private practice work advising on transactional matters.
Antonia Serra is highly responsive, commercial and understanding of issues in multiple jurisdictions.
Antonia Serra is an outstanding lawyer in her field. She has deep knowledge in the area of the art market that I require.
Antonia Serra worked at Sotheby's and has decades of experience transactionally and across the EU. She is a very experienced transactional lawyer, and so if you are doing a contract she has seen thousands of them.
Antonia Serra provides calm and professional advice reflecting her many years specialising in the legal aspects of the buying and selling of works of art.
Art and Cultural Property Law
Art and Cultural Property Law
Chambers is the leading data and intelligence partner for the legal sector.
