Deloitte is a global professional services firm founded in 1845 by William Welch Deloitte in London. Initially focused on independent financial auditing, it has grown into one of the largest professional services networks, employing over 450,000 people across more than 150 countries. Deloitte offers a wide range of services, including audit and assurance, tax, consulting, financial advisory, and risk services, catering to organizations from Global 500 companies to private businesses. The firm has a rich history, marked by significant milestones such as becoming the first independent auditor for a public company in 1849. Over the years, Deloitte has expanded internationally and evolved through mergers, notably forming Deloitte Touche Tohmatsu. Its consulting division has seen rapid growth, particularly in strategy, operations, and technology. Deloitte emphasizes making a meaningful impact through connection, collaboration, and innovation, reflecting its commitment to adapting to the needs of diverse industries.