Position

William is a versatile barrister with extensive interlocutory, trial, and appellate experience. His practice spans all aspects of commercial litigation and arbitration. He has particular experience in banking and finance disputes, commercial fraud cases, insurance litigation, and company law and insolvency matters. A number of his cases are cross-border in nature and raise complex jurisdiction and choice of law issues. Alongside practice, William is an Associate Professor and Fellow in Law at Downing College, Cambridge. William’s current and recent instructions include acting for Stonegate in a £1.1bn Covid-19 business interruption insurance claim; investors in the £1.3bn Eclipse litigation against HSBC; joint liquidators in the $1bn asset tracing exercise against the Mehta family arising from the Winsome default; a major Middle East bank in a $2bn fraudulent trading claim arising from the NMC Healthcare insolvency; and the Chedington Court Estate in a recent UK Supreme Court victory concerning standing to challenge officeholder decision-making.

Mentions

London Bar

Banking and finance (including consumer credit)

LEADING JUNIORS2

William Day – 3 Verulam Buildings ‘Extremely intelligent and able to distil large quantities of information and complex law into clear summaries – both orally and in writing.’

London Bar

Commercial litigation

LEADING ASSOCIATE1

William Day –3 Verulam Buildings ‘As well as being a fantastic advocate and legal adviser, Will embodies team spirit. He absolutely gets it when it comes to pressure to deliver on time in challenging circumstances, and will do all he can to help the client achieve its objective.’

London Bar

Fraud: civil

LEADING ASSOCIATE1

William Day – 3 Verulam Buildings ‘A hugely impressive junior with a very bright future. Very clever and strategic, but also superb to work with.‘

London Bar

Insolvency

LEADING JUNIORS3

William Day – 3 Verulam Buildings ‘Will is definitely one of the rising stars of the commercial Chancery field. His greatest strength is his considerable intellect, which is combined with evident confidence and enthusiasm. Like many of the very best barristers, his oral and written skills are equally strong.’

London Bar

Insurance and reinsurance

LEADING JUNIORS3

William Day – 3 Verulam Buildings ‘William is simply brilliant. He is fantastically bright, amazingly hard working and great to work with.’