Gary qualified in 1989 with Alsop Wilkinson in London (now DLA Piper). In 1991 he returned to the north and for four years worked at Aaron & Partners in Chester. He moved to Mace & Jones in 1995 and became a partner in the corporate department in Liverpool in 1997. Mace & Jones merged into Weightmans LLP in May 2011.

Gary offers a wide range of expertise to a varied client base including, SMEs, large corporates, universities and the regional venture finance holding fund North West Business Finance Limited. He advises clients on all aspects of corporate work, nationally and internationally, from starting up, shareholders agreements, mergers and acquisitions, MBOs, joint ventures, private equity, fund raising and AIM floatations. Gary advises local authorities, universities, venture capital funds and public and private companies on State aid compliance.

Gary is the partner principally responsible for the firm's relationship with Legalink, the international network of independent law firms. Gary was elected to the management committee of Legalink in 2013 and was appointed Chair of Legalink for two years at the Beijing conference in October 2017.