Deloitte is a global professional services network that provides audit and assurance, consulting, financial advisory, risk advisory, tax, and legal services to corporations, governments, and public-sector organizations. Its offerings span concrete work such as external audit, financial due diligence, forensic investigations, cyber and cloud services, enterprise technology implementations, and customer-experience design through Deloitte Digital. The firm serves large enterprises and public agencies across industries including financial services, consumer, energy, health care, and government, and it operates through member firms in more than 150 countries. Deloitte’s current senior leadership includes global CEO Joe Ucuzoglu and global chair Sharon Thorne, while the wider network traces back to founders William Welch Deloitte and Haskins & Sells, with the modern structure shaped by later mergers. It is privately held and does not have venture-style fundraising rounds.