Oisín Murphy graduated from University College Dublin with an Honours Degree in Economics and was admitted to the Roll of Solicitors in 1996. In 2007 Oisín obtained a Diploma in Employment Law from the Law Society of Ireland and is also a qualified practising Notary Public.

Before deciding to set up his own practice in 2008 Oisín spent several years as a partner in a highly regarded Dublin firm, specialising in the key legal areas of Litigation, Employment Law, Personal Injury and Family Law.