Irwin Mitchell

Firm Profile

Rankings

UK

Awarded leading firm in UK 2026

Chambers and Partners

Ranked Departments:

Chambers and Partners

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

Address (A-Z)

UK - Head office

South Yorkshire

Riverside East 2 Millsands , Sheffield, South Yorkshire, UK, S3 8DT, Sheffield

www.irwinmitchell.com

+44 370 1500 100

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

Chambers Laurel

Ranked Departments

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Chambers Laurel

Ranked Individuals

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Contributions

Latest contributions provided by Irwin Mitchell

Global Practice Guide
Ros Bever
Claire-Marie Cornford
Ashley Hill
Helen Clarke
Authored by
Ros Bever, Claire-Marie Cornford, Ashley Hill, Helen Clarke
Article • Jul 2025
Global Practice Guide
Helen Clarke
Ros Bever
Ashley Hill
Claire-Marie Cornford
Authored by
Helen Clarke, Ros Bever, Ashley Hill, Claire-Marie Cornford
Article • Jul 2025

Irwin Mitchell