Deloitte Touche Tohmatsu Limited /d?'l??t 'tu?? to?'m??tsu?/, commonly referred to as Deloitte, is a UK-incorporated multinational professional services firm with operational headquarters in New York City in the United States. Deloitte is one of the "Big Four" accounting firms and the largest professional services network in the world by revenue and number of professionals. Deloitte provides audit, tax, consulting, enterprise risk and financial advisory services with more than 244,400 professionals globally. In FY 2016, the company earned a record $36.8 billion USD in revenues. As of 2016[update], Deloitte is the 6th-largest privately owned organization in the United States. As per reports in 2012, Deloitte had the largest number of clients amongst FTSE 250 companies in the UK and in 2015, Deloitte currently has the highest market share in auditing among the top 500 companies in India.