Ernst & Young (trading as EY) have been Corporate Partners since 2001. EY is a multinational professional services firm headquartered in London, United Kingdom. It is one of the "Big Four" audit firms and is the third largest professional services firm in the world by aggregated revenue in 2014, after PwC and Deloitte.

EY has 212,000 employees in over 700 offices around 150 countries in the world. It provides assurance (including financial audit), tax, consulting and advisory services to companies.

The firm dates back to 1849 and the current firm was formed by a merger of Ernst & Whinney and Arthur Young & Co. in 1989. In 2016, Fortune magazine ranked EY as one of the 100 Best Companies to Work For and in 2015, EY was the 11th largest privately owned organization in the United States.

The EY Entrepreneur Of The Year award is now in its 30th year globally and 18th in the UK. The programme celebrates the spirit and contribution of exceptional entrepreneurs who can see the future, and through their entrepreneurial businesses, are helping to reshape it.

It runs in more than 145 cities in over 60 countries worldwide, and honours those men and women who are building and leading successful, growing and dynamic businesses. Those who have the vision to see how things could work better, and then make them happen in the real world.

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