Deian Rhys



T +44 20 7825 3385
M +44 7766 365 094

General Experience

Deian advises on a wide range of real estate investment, leasing and development matters. His clients include financial institutions, listed property companies, pension funds and software, technology and insurance companies, and he has experience in a variety of asset types, including headquarters buildings, business parks and data centres.

Deian spent a significant portion of his career in a senior in-house legal role at a leading US investment bank, having responsibility for all legal matters relating to an actively managed portfolio of real estate assets across multiple jurisdictions

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Recent Work
  • advising on the sale of the 56,000 sq ft headquarters building of a medical technology company
  • advising on the sale and leaseback of a portfolio of 17 hotels in England and Scotland by way of ground leases
  • advising a major investment bank on the right-sizing of its central London office portfolio, including restructuring and re-gearing agreements and disposing of surplus space
  • advising on the surrender and regrant of a lease of a 61,000 sq ft headquarters building
  • advising on lettings of office space to a number of hedge fund and asset managers, investment banking and advisory firms and other professional practices, mainly in prime Central London locations but also in Bristol and the Thames Valley
  • various real estate transactions for an enterprise software company, both in the UK and (in conjunction with local counsel) continental Europe, Africa and the Americas.

Deian trained at another leading international law firm in London and qualified into its Real Estate group in 2003. In 2007, he joined the in-house legal division of a leading US investment bank and was most recently senior counsel with responsibility for Europe, the Middle East and Africa within the global Corporate Real Estate Legal team. Deian joined Simmons & Simmons as a partner in 2016.

Deian has a keen interest in corporate social responsibility, is chair of the firm’s International LGBT Network and is active in diversity and mentoring efforts. He was nominated for the Diversity Champion of the Year award at the British LGBT Awards 2015 and ranked in the Leading LGBT+ Executives List presented by the Financial Times in 2016 and 2017.

Corporate Real Estate Journal, Volume Six, Number One – Guest Editorial : Potential impacts of Brexit on the UK real estate market.