Deloitte Touche Tohmatsu, popularly known as just "Deloitte", is one of the biggest professional service organization in the world. The firm was founded by William Deloitte in 1845. It went through a series of mergers and reorganizations but kept its brand name along with its quality standards and company values. Now, it emerges as one of the most successful brands in the world.

In 2013, it earned 32.41 billion USD and had approximately 203,000 professionals in more than 150 countries demonstrating excellence in providing audit, consulting, financial advisory, risk management, and tax services to clients worldwide.