Top 10 Accounting Firms in UK

The UK is home to some of the world’s leading accounting firms, providing audit, tax, and advisory services to businesses of all sizes. These firms play a crucial role in financial reporting, risk management, and regulatory compliance. They serve a diverse range of industries, from finance and healthcare to technology and retail. With expertise in digital transformation, sustainability, and corporate governance, these firms continue to shape the financial landscape of the UK and beyond.
1. PwC (PricewaterhouseCoopers)
PwC (PricewaterhouseCoopers) is the largest accounting firm in the UK, offering audit, tax, consulting, and advisory services to businesses of all sizes. With a strong global presence, PwC serves a wide range of industries, including finance, healthcare, technology, and retail. The firm is known for its commitment to innovation, digital transformation, and sustainability. PwC plays a crucial role in corporate governance, risk management, and regulatory compliance, helping organizations navigate complex financial challenges. With thousands of employees across multiple offices in the UK, PwC continues to be a trusted partner for businesses seeking expert financial and strategic guidance.
2. Deloitte
Deloitte is one of the leading accounting firms in the UK, offering a wide range of services, including audit, tax, consulting, and financial advisory. With a strong global presence, Deloitte is known for its expertise in digital transformation, cybersecurity, sustainability, and risk management. The firm serves various industries, including finance, healthcare, technology, and retail, helping businesses navigate complex financial and regulatory challenges. Deloitte is also recognized for its commitment to innovation and corporate social responsibility. With thousands of employees across the UK, the firm continues to provide strategic insights and tailored solutions to drive business growth and efficiency.
3. EY (Ernst & Young)
EY (Ernst & Young) is one of the top accounting firms in the UK, providing audit, tax, consulting, and advisory services to businesses across various industries. Known for its strong emphasis on innovation, EY helps companies navigate challenges in areas like digital transformation, sustainability, and risk management. The firm has a significant presence in financial services, energy, technology, and consumer products, offering tailored solutions to clients worldwide. With a commitment to corporate responsibility and diversity, EY continues to play a vital role in shaping the UK’s financial landscape, helping businesses achieve long-term success and regulatory compliance.
4. KPMG
KPMG is one of the leading accounting firms in the UK, providing audit, tax, advisory, and consulting services to businesses across multiple industries. With a strong reputation for ethical business practices and corporate governance, KPMG helps organizations navigate financial challenges, risk management, and regulatory compliance. The firm is known for its expertise in digital transformation, sustainability, and data analytics, offering innovative solutions to clients in sectors like finance, healthcare, technology, and retail. With thousands of employees and a global network, KPMG remains a trusted partner for businesses seeking strategic financial guidance and long-term growth in an evolving marketplace.
5. BDO
BDO is one of the UK’s leading accounting firms, offering audit, tax, advisory, and business consulting services. Known for its client-centric approach, BDO works closely with businesses of all sizes, from startups to multinational corporations, across various industries, including finance, technology, healthcare, and retail. The firm specializes in delivering tailored solutions that focus on regulatory compliance, risk management, and financial growth. BDO is also recognized for its commitment to innovation and sustainability, helping businesses adapt to evolving market conditions. With a strong presence in the UK and a global network, BDO continues to be a trusted financial partner.
6. Grant Thornton
Grant Thornton is one of the top accounting firms in the UK, providing audit, tax, advisory, and consulting services to a wide range of businesses. Known for its focus on mid-market companies, Grant Thornton helps organizations navigate financial challenges, regulatory compliance, and strategic growth. The firm has expertise in various industries, including financial services, healthcare, technology, and not-for-profits. It is also recognized for its commitment to corporate responsibility and innovation. With a strong UK presence and a global network, Grant Thornton continues to support businesses with personalized solutions, helping them achieve long-term success in an evolving market.
7. RSM
RSM is one of the UK’s top accounting firms, offering audit, tax, and consulting services to businesses of all sizes. With a strong focus on mid-market enterprises, RSM provides expert guidance in areas such as risk management, corporate finance, and business restructuring. The firm works across various industries, including finance, healthcare, technology, and manufacturing, helping organizations navigate complex regulatory and financial challenges. RSM is known for its personalized approach, combining local expertise with a global network to deliver tailored solutions. With a commitment to innovation and business growth, RSM continues to be a trusted partner for UK businesses.
8. Smith & Williamson
Smith & Williamson is a leading UK accounting and wealth management firm, offering a unique combination of financial and professional services. Specializing in audit, tax, corporate finance, and investment management, the firm serves entrepreneurs, businesses, and high-net-worth individuals. With a strong reputation for personalized service, Smith & Williamson helps clients navigate complex financial challenges, from tax planning and business advisory to estate and succession planning. The firm has expertise across various industries, including financial services, real estate, and professional practices. Now part of Evelyn Partners, Smith & Williamson continues to provide tailored solutions for long-term financial success.
9. Mazars
Mazars is a globally recognized accounting and advisory firm with a strong presence in the UK. The firm offers audit, tax, financial advisory, and consulting services to businesses across various industries, including finance, healthcare, technology, and manufacturing. Known for its commitment to quality and technical excellence, Mazars provides tailored solutions to help organizations navigate financial complexities, regulatory compliance, and risk management. The firm emphasizes innovation, sustainability, and responsible business practices. With a collaborative and client-focused approach, Mazars continues to support businesses of all sizes, from startups to multinational corporations, ensuring long-term growth and financial stability.
10. Crowe UK
Crowe UK is a leading audit, tax, advisory, and risk firm, known for its deep industry expertise and client-focused approach. As part of the global Crowe network, the firm provides tailored solutions to businesses, non-profits, and public sector organizations. Crowe UK specializes in audit and assurance, corporate finance, forensic accounting, and wealth management, helping clients navigate complex financial and regulatory challenges. The firm is particularly strong in sectors such as financial services, healthcare, manufacturing, and charities. With a commitment to integrity, innovation, and sustainable business practices, Crowe UK remains a trusted partner for businesses seeking strategic financial guidance.