Thompsons Solicitors has been providing expert legal advice and representation to the people of South and Mid Wales since our Cardiff office was established over 50 years ago. 

Thompsons is the UK’s leading law firm for trade union members. We have worked closely with Wales' industrial and mining communities throughout our long history, fighting for better working conditions for Welsh workers. We have acted for tens of thousands of miners, steelworkers and trade union members throughout Wales. 

We continue to work with the trade union movement and the Welsh Labour government to champion the rights of workers and the injured across Wales.

Opening hours

Monday to Friday, 9am - 5pm. The office is closed over bank holidays and during the Christmas and New Year period.

The Cardiff team wins, on average:

- More than 440 cases every year

- More than £8.6 million in damages every year

- More than £2.5 million in compensation for accident at work clients each year

The specialist teams in our Cardiff office have significant experience of supporting current and former trade union members with a range of legal matters, including employment disputes, accident at work claims, personal injury claims, medical negligence claims, and industrial disease and asbestos claims. We also have a dedicated criminal law team based in the Welsh capital.

welsh speaking logo

If you would like to speak to a member of our team in Welsh, we have a number of Welsh speaking lawyers and support staff in the Cardiff office who would be happy to help.


Certifications and professional recommendations

Named as a Tier 3 firm for clinical negligence in the Legal 500's 2020 directory.

This office has a Law Society Panel approved clinical negligence solicitor.


We're here to help you

You can call us, or get in touch via our online enquiry form for free, no-obligation advice and to discuss your case.