REVENUE : US $ 36BN EMPLOYEES : 273,000 CEO : WILLIAM B . THOMAS FOUNDED : 1987

Founded in 1987 , UK based audit , tax and advisory firm KPMG operates in 143 countries and territories , with more than 273,000 partners and employees around the world . The firm has been publishing the KPMG Survey of Corporate Responsibility Reporting , one of the most authoritative global views of corporate reporting on sustainability , every two years since 1993 , examining thousands of companies worldwide to understand what companies are reporting , why and how – and where reporting is going next .

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