Nicholas has practised law for 20 years. He trained, and worked as an associate, at the law firm Clifford Chance in London and New York, and later moved to the law firm Macfarlanes, where he was a partner for seven years. Nicholas left Macfarlanes in 2019 to join Artemis Education. In private practice, Nicholas specialised in company law, with a particular focus on corporate real-estate transactions. He has advised a broad range of clients, including international corporates, private equity funds, and family offices. Nicholas was based in Doha and Dubai between 2010-14 and for the last ten years has advised numerous clients across the Middle East