Deloitte is one of the world’s largest professional services firms, operating through Deloitte Touche Tohmatsu Limited, a UK-based private company. Founded in 1845, Deloitte offers services in audit and assurance, consulting, tax, risk advisory, and financial advisory. It operates in more than 150 countries and territories with a workforce exceeding 450,000 professionals. Deloitte serves clients across industries such as finance, healthcare, energy, and technology. Known for its innovation and digital transformation capabilities, Deloitte invests heavily in analytics, cloud, AI, and cybersecurity. It consistently ranks among the “Big Four” accounting firms and is recognized for its commitment to ethics and sustainability.