About

BDO LLP is an accountancy and business advisory firm that provides Audit, Tax, Deals, and Consulting, Risk & Outsourcing (CR&O) services to entrepreneurial, growing and ambitious businesses.

Following our merger with BDO Ireland in July 2026, we operate out of 19 locations across the UK and Ireland. Employing 8,500 people and with revenues of approximately £1.1 billion, we are one of Europe’s largest accountancy organisations focused on the ambitious and entrepreneurial mid-market.

With more than 100 years of experience and a strong entrepreneurial heritage, we are uniquely positioned to support businesses at every stage of their journey – from start-up to FTSE, from local markets to international growth.

We put our people and our clients at the centre of everything we do – delivering insight and quality, and in doing the right thing for business and society.

BDO LLP is part of the BDO International network, providing professional services in 169 countries, with 95,000 people working out of 870 offices worldwide. It has revenues of US$11 billion.

A man using a laptop

Our AI Principles

Find out how we integrate AI responsibly, ensuring human accountability, ethical use, transparency, security and fairness, so that we can deliver innovation built on trust, quality and value.
Read more
A group of people

Our Culture

Learn about our culture and what it means for our people, business, and wider society. Our culture is important to us because it helps us to attract and retain the best talent, deliver outstanding results for our clients and audited entities, and make a positive difference in the world.
Find out more
A man standing in front of the window

Our Environmental Commitment

We are committed to reducing our environmental impact and becoming a net zero emissions organisation. As part of this commitment, we are halving our overall emissions by 2030.
How we make a difference
A woman standing

Our Performance

Read our latest annual reports and access our Annual Report and Accounts, Culture & Impact Report, Transparency Report and Pay Gap Reports.
See our reports

Core Value and Purpose


Our Core Purpose is about what we do and why we do it to help you succeed. Our Values work interdependently and are built on three fundamental principles.

Find out more
A group of people

Our Alumni

Our alumni programme provides a forum to reconnect with friends and former colleagues, gain access to industry intelligence and training opportunities, and find out the latest news, both within the firm and across the alumni community.
Join our Alumni Community
A group of people

BDO Globally

As the world's fifth largest accounting network, BDO International combines global reach with strong personal relationships. That's what makes us different.
Find out more
A group of people

Legal & Regulatory

An overview of key legal and regulatory information.
Find out more
People at the office

Our Sustainability and ESG commitments

As a firm, we want to play our part to address the challenges facing our people and planet without adding to them. That’s why we have a formal strategy in place to allow us to respond to, and embed, Sustainability and ESG into our business in a responsible way.
What is our approach?