About Us

We are a leading law firm in the South of England providing a comprehensive range of services for both businesses and individual clients.

Trethowans at a glance

We are proud to be a UK Top 150 law firm
We have been in existence for over 150 years and have a team of over 250 people and 45 partners
We have offices in Southampton, Salisbury, Poole, Bournemouth, Winchester and a base in London
We are named in The Times ‘Best Law Firms 2022 Guide as one of the top 200 legal practices in England and Wales.
We have been recognised over the years for many awards and achievements
Commercial clients include household names such as Ladbrokes plc, Jewson (part of the Saint Gobain Group), Pizza Hut, Nandos, Five Guys and Rowanmoor, to name a few
We have handled personal injury claims with a combined value of over £100 million
The commercial property team has handled transactions with a value of over £400 million
Our wealth structuring and inheritance tax lawyers provide expertise in the area of inheritance tax and capital gains tax planning and, as a niche specialism, cross border tax for individuals
We are involved in a number of initiatives within our localities, including sponsoring Hampshire Fare, Salisbury Rugby Club, Chalke Valley History Festival, Cadnam Cricket Club, Trojans Rugby Club and Poole Speedway as well as a number of local charities with fundraising and donations