Deloitte is a global leader in professional services, offering audit, consulting, tax, and advisory services across more than 150 countries. Founded in 1845 by William Welch Deloitte in London, the firm was the first to be appointed as an independent auditor of a public company, the Great Western Railway. Over the years, Deloitte has grown through mergers and acquisitions, becoming one of the "Big Four" accounting firms alongside EY, KPMG, and PwC.
As of 2024, Deloitte employs approximately 460,000 professionals worldwide and reported global revenues of $67.2 billion. The company serves nearly 90% of the Fortune Global 500® and thousands of private companies, providing services that help clients navigate complex challenges and achieve their business objectives.
Deloitte's services encompass a wide range of areas, including audit and assurance, consulting, financial advisory, risk advisory, tax, and legal services. The firm is known for its commitment to innovation, leveraging technology and industry expertise to deliver impactful solutions. Deloitte also emphasizes environmental sustainability and social responsibility, working with governments, non-profit organizations, and civil societies to design and deliver solutions that contribute to a sustainable future.
With a rich history spanning over 175 years, Deloitte continues to be at the forefront of the professional services industry, shaping the future by delivering real, measurable results that help reinforce public trust in capital markets and enable clients to transform and thrive.
