Raphael Bohne
Research expert covering professional services
"Big Four" consulting firms in the UK - statistics & facts
The Big Four consulting firms have had an undeniable global presence over the past two decades and have remained as the largest and most prominent professional services firms in the world. These firms are Deloitte, PwC, KPMG, and EY. The combined revenue of the Big Four accounting/audit firms worldwide reached almost 204 billion U.S. dollars in 2023, an eye-wateringly high figure. The focus here is on their United Kingdom endeavors, where they play an important role in serving the business and financial needs of many organizations. In the United Kingdom, the prestigious reputation of consulting firms have allowed them to use British taxpayer money in their operations as the UK government has continued to greenlight the outsourcing of public services.
Ever expanding services in the United Kingdom
All of the Big Four consulting firms have seen their operations expand significantly over the last few years in the United Kingdom. The revenue of Deloitte in the UK, for example, increased by more than three billion British pounds since 2019. The profit per partner at EY in the UK showed growth of more than 100,000 British pounds since 2018, whereas the total workforce of PwC in the UK increased by approximately 13,000 employees since 2017.Professional and public services serving huge revenues
The most successful component of the revenue of Deloitte in the UK by industry segment has consistently been its financial services segment. In terms of public services, Deloitte generated a turnover of roughly 760 million British pounds from their government and public services industry segment in the same year. Similarly, the highest earning revenue of PwC in the UK by service industry segment was in financial services. Furthermore the government and health industries segment of the firm turned over almost 1.4 billion British pounds in 2024.
