The Big Four accounting firms have developed a set of metrics for companies to use for environmental, social and governance reporting internationally. The ESG metrics are organized around four pillars of principles of governance, planet, people and prosperity. The metrics and disclosures aim to align the existing standards to enable companies to collectively report nonfinancial disclosures. The metrics and disclosures were developed in collaboration with the Big Four firms: Deloitte, EY, KPMG and PwC and come after a consultation process with representatives from corporations, investors, standard-setters, NGOs and international organizations.