John O'Sullivan Solicitors

John O'Sullivan Solicitors is a Dublin and Galway based law firm founded in 2015 by Jason O’Sullivan. The firm provides specialist legal services for business and private clients in areas including Employment Law, Corporate Law, Commercial Litigation, Medical Negligence, Defamation and Personal Injury Litigation, with a client focused, practical approach.

The firm has earned broad recognition within the Irish legal community, including Jason O’Sullivan being named Lawyer of the Year 2023 and the firm receiving Excellence and Innovation in Client Services at the Irish Law Awards, with earlier wins in 2018 and 2021.

With offices in Dublin and Galway, the practice emphasizes direct, responsive client service, combining legal expertise with industry insight and access to public affairs and lobbying services to support business clients.