Head of the Personal Injury Department and a Partner in the firm, Alun specialises in personal injury and medical negligence particularly employers' and occupier’s liability work for defendant insurers. Alun is a coroner’s inquests expert, mediator and a member of the Law Society Personal Injury Panel and his work is recognized in both the Legal 500 and Chambers Guides.

"A good, traditional insurance defendant firm," Hay & Kilner "always meets clients' requirements" and produces sensible and economic solutions. Clients consider Alun Williams “one of the most pragmatic lawyers in the North East when it comes to handling claims,” and have total faith in his team’s ability to produce “concise action plans which bring the claims to a speedy conclusion.” - Personal Injury – Defendant- Chambers guide 2009.

"Heading the [Personal Injury (Defendant)] department is seasoned practitioner Alun Williams. Alongside his personal injury practice he has built a strong reputation for his mediation work." – Chambers Guide 2008

"Interviewees appreciate 'quietly efficient' head of department Alun Williams for his no-nonsense approach claiming - 'he gets on with it'." Personal Injury – Defendant – Chambers Guide 2006

"At Hay & Kilner department head Alun Williams 'has all the experience necessary to run complex cases'.” – Chambers Guide 2005

"Hay & Kilner is highly experienced in all areas of personal injury work and has a wide range of clients. Alun Williams and Bruce Howorth are ‘particularly effective’." – The Legal 500, 2007