Rankings
Awarded leading firm in UK 2026
Ranked Departments:
Ranked Individuals:
Overview
Provided by Irwin Mitchell
Group Chief Executive: Craig Marshall
Chief Client Officer: Louise Lumley
Chief Finance Officer: Richard Allen
Number of partners: 256
Other fee-earners: 1843
UK Offices: Aske, Birmingham, Brighton, Bristol, Cardiff, Cambridge, Chichester, Edinburgh, Glasgow, Leeds, London, Liverpool, Gatwick, Manchester, Middlesbrough, Newbury, Newcastle, Reading, Sheffield and Southampton.
THE FIRM
Irwin Mitchell are legal experts that care. As one of the largest full-service law firms in the UK, they’ve supported over one million clients and counting. Whether it’s personal or business, they understand that everyone’s situation is different. They offer 24/7 client care, ensuring their clients are at the centre of what they do.
Founded in 1912, they’ve grown from a small building in Sheffield, to offices in 20 locations across the UK and a global reach that extends to over 200 countries. With over 3000 staff and 180 services, their vast experience and knowledge is complemented by their dedicated approach to client care. Whether it’s settling a case before trial, or succeeding at the Supreme Court, it’s all about the results they achieve when it matters, and the relationships they develop along the way.
The firm recently invested in Scottish law firm Wright, Johnston & Mackenzie to increase their market share North of the border. They followed this up with the acquisition of Silk Family Law, demonstrating their ambitions in the Northeast of England.
Their commitment to being responsible goes further than the law and they have donated over £3 million to charitable causes since 1997. In 2023, their colleagues completed over 6000 hours of volunteering.
It is the only law firm to be named in the Very Big category of the Sunday Times Best Places to Work 2025 and has a Gold Award in the Defence Employer Recognition Scheme. It's clients rank its services highly with a five-star rating on Trustpilot based on more than 11,000 reviews.
They’re recognised in The Times’ list of the best law firms in England and Wales and The Lawyer magazine named them as ‘a litigation powerhouse’. They were recently recognised as the number one Superbrand in the legal sector and are the Official Legal Partner to England Rugby, British Rowing and UK Athletics.
MARKET
As the leading personal injury and medical negligence practice in the UK, Irwin Mitchell helps thousands of families whose lives have been turned upside down. Supported by a national Public Law team and the UK’s leading Court of Protection practice, they offer help and reassurance during the hardest times.
Irwin Mitchell’s private client offering specialises in residential property, family, Wills, tax, as well as trusts and estate disputes. They protect high and ultra-high net worth individuals, including business owners and entrepreneurs, corporate executives, sportspeople, investors, and multi-generational families.
This is supported by a full suite of business services for corporate clients and institutions such as litigation, corporate, commercial, international property and employment law. They offer tailored guidance to businesses when it comes to navigating environmental, social and governance, and are part of First Law International - a global network of more than 80 law firms.
Ranked Offices
Provided by Irwin Mitchell
UK - Head office
South Yorkshire
Riverside East 2 Millsands , Sheffield, South Yorkshire, UK, S3 8DT, Sheffield
UK
West Midlands
The Colmore Building, 20 Colmore Circus, Birmingham, West Midlands, UK, B4 6AH, Birmingham
Bristol
One Castlepark, Tower Hill, Bristol, Bristol, UK, BS2 0JA, Bristol
Cambridgeshire
20 Station Road , Cambridge, Cambridgeshire, UK, CB1 2JD, Cambridge
South Glamorgan
15th Floor, Brunel House 2 Fitzalan Road , Cardiff, South Glamorgan, UK, CF24 0EB, Cardiff
West Sussex
Thomas Eggar House Friary Lane , Chichester, West Sussex, UK, PO19 1UF, Chichester
West Sussex
Regus - Manor Royal Churchill Court 3 Manor Royal Crawley, Crawley, West Sussex, UK, RH10 9LU, Crawley
City of Edinburgh
The Capital Building 12/13 St Andrew Square , Edinburgh, City of Edinburgh, UK, EH2 2AF, Edinburgh
Glasgow City
5th Floor, St Vincent Plaza, 319 St Vincent Street, , Glasgow, Glasgow City, UK, G2 5RZ, Glasgow
West Yorkshire
4 Wellington Place , Leeds, West Yorkshire, UK, LS1 4BZ, Leeds
Greater London
14 New Street , London, Greater London, UK, EC2M 4HE, London
Greater London
The Northcliffe 28 Tudor Street Temple , London, Greater London, UK, EC4Y 0AY, London
Greater London
75/76 Shoe Lane , London, Greater London, UK, EC4A 3JB, London
Lancashire
One St Peter's Square , Manchester, Lancashire, UK, M2 3AF, Manchester
Tyne & Wear
Wellbar Central 36 Gallowgate , Newcastle upon Tyne, Tyne & Wear, UK, NE1 4TD, Newcastle upon Tyne
Hampshire
2nd Floor, One Dorset Street , Southampton, Hampshire, UK, SO15 2DP, Southampton
Hampshire
Ocean Village Innovation Centre, Ocean Way, Southampton, Hampshire, UK, SO14 3JZ, Southampton
Ranked Departments
Ranked Individuals
Contributions
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