EY 

EY is a professional services firm. Its teams work in more than 150 countries across assurance, consulting, tax, strategy, and transactions. The stated aim is building a better working world for clients, people, society, and the planet, while keeping trust in the capital markets. Data, AI, and other tools sit behind that client work. Headquarters are in London. The firm is privately held. EY is one of the large global accounting and advisory networks. Sector-focused teams and outside partners are part of how its projects are staffed.