No egos. No waffle. No cut and paste advice. Here at Trethowans, every one of our team is clearly focused on you – your unique challenge or opportunity, your business or family.

Trethowans is a UK Top 150 Law Firm and one of the fastest growing law firms in the South, with offices located in Southampton, Winchester, Salisbury, Bournemouth, Poole and a base in London.

We offer a broad range of legal services for individuals and businesses. Our legal teams and lawyers are widely recommended in the UK’s independent legal directories – Chambers Guide and Legal 500. We are also named in The Times Best Law Firms list for 2022 and 2023.

We represent international and national household brand names, owner-managed businesses, banks, insurers and major regional and national employers across the UK as well as individuals and their families, and high-net-worth individuals.

Behind everything we do is a set of values; six principles that inform and guide our work, day in day out. These are the things that truly set us apart.

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Named in The Times ‘Best Law Firms 2023’ Guide as one of the top 200 legal practices in England and Wales.

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Our values

Behind everything we do is a set of values; six principles that inform and guide our work.

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    Down to earth

    There is no room for egos at Trethowans. Everyone has a part to play. Every opinion is welcomed and valued.

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    On your wavelength

    We seek out good, friendly, approachable people. The kind you (and we) enjoy working with.

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    Above & Beyond

    You need a professional who takes their responsibilities seriously. Someone who understands the impact they can have. That is us.

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    Up for the challenge

    We love a challenge. Throw us in the deep end, give us a complex problem – we will rise to it.

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    No nonsense

    No bull. No nonsense. No bluff and bluster. We pride ourselves on providing advice that cuts to the chase.

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    Built to last

    With more than 150 years experience, we’ve built our business to stand the test of time; whatever the future holds.

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In the community since 1866

Beginning in Salisbury, and now Poole, Bournemouth, Southampton and Winchester, we take pride in our position as a local employer, take responsibility in supporting great causes in our communities and take seriously our impact on the environment.

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“We have worked with the Trethowans team on many transactions and we value their timely advice, diligence and professionalism.”

Dan Richards, Chief Operating Officer, Just Develop It


How we charge for our services

Your experience of working with a law firm should be straightforward, clear and helpful. We pride ourselves on being as clear and transparent as we can be in our fees and charging structures.

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