About us

No.2, Auditor of AIM, No.1, Auditor to the public sector, 4th, Largest auditor – UK’s top privately held companies, 42%, FTSE 100 are non audit clients, 25, UK offices, 185+, UK partners, 6th, 6th largest auditor in FTSE 350, No.1, Independent nominated adviser of AIM, 5th, Largest auditor – Small cap/fledging market, 4200+, UK employees

We are Grant Thornton UK LLP

Grant Thornton is one of the world's leading organisations of independent assurance, tax and advisory firms. These firms help dynamic organisations unlock their potential for growth by providing meaningful, forward looking advice.

Proactive teams, led by approachable partners in these firms, use insights, experience and instinct to understand complex issues for privately owned, publicly listed and public sector clients and help them to find solutions.

At Grant Thornton our underlying purpose is to build a vibrant economy, based on trust and integrity in markets, dynamic businesses, and communities where businesses and people thrive. We work with banks, regulators and government to rebuild trust through corporate renewal reviews, advice on corporate governance, and remediation in financial services. We work with dynamic organisations to help them grow. And we work with the public sector to build a business environment that supports growth, including national and local public services.

More than 40,000 Grant Thornton people, across over 130 countries, are focused on making a difference to clients, colleagues and the communities in which we live and work. In the UK we provided services to over 40,000 privately held businesses, public interest entities and individuals. It is led by more than 185 partners and employs more than 4,500 of the profession's brightest minds.

Client satisfaction is at the heart of our business, and our clients regularly voice strong appreciation of our services. Please scroll below to see a selection of client quotes.







Ranked number one corporate finance adviser in the UK in 2012, 2013 and 2014

Taxation Awards 2013

Grant Thornton Financial Services Tax Team - Best Tax Team in a National Firm, LexisNexis Taxation Awards 2013

global firm award

Global Firm of the Year 2013

Private Client Practitioner top 25 companies

Private Client Practitioner's top 25 most admired companies 2013, 2012, 2011, 2010

Private Client Practitioner's top 25 accountancy firms

Private Client Practitioner's top 25 accountancy firms winner 2012

Auditor of the Year (Large Six)- FDs' Excellence Awards 2010 & 2011

Auditor of the Year (Large Six)- FDs' Excellence Awards 2010 & 2011

transfer Pricing Firm of the Year 2013

Transfer Pricing Firm of the Year 2013 Winner

Large Corporate and International

Large Corporate and International - Best International Tax Team National Employer Solutions - Best Tax Team in a National Firm


"I can't praise the team enough. They have a good understanding of the business and are proactive without doing the heavy sell."

FD, Media sector

"We value the time the lead partner gives to our relationship, he makes you feel that when he's with you, you're the main client."

FD, Healthcare sector

"No matter who I speak to on the team, I get an instant response with support and good advice."

FD, Manufacturing sector

"The approach is pitched right for us - hand on the shoulder rather than in your face."

FD, Leisure sector

"Grant Thornton is an agile, fast moving organisation without the complex hierarchies of other chartered accountants."

FD, Technology sector

"The Grant Thornton team was full of bright ideas and it’s this combination of enthusiasm and attention to detail that makes them so important to our organisation. "

FD, Property sector

"Grant Thornton have demonstrated that they understand the issues for a fast growing international business."

Director, Business Support Services sector

"Their experience, professionalism and negotiation skills on key strategic points led to a significantly improved outcome for the shareholders"

MD, Manufacturing sector