Ernst & Young

Profile narrative

Ernst & Young, commonly known as EY, is a global professional services firm that delivers assurance (audit), tax, transaction advisory, and consulting solutions to clients across a broad spectrum of industries including financial services, technology, manufacturing, energy, consumer products, and the public sector. Its assurance offerings encompass financial statement audits, internal audit, risk management, and sustainability assurance, helping organizations ensure the reliability of their reporting and compliance with applicable standards. The tax practice provides services ranging from corporate tax compliance and international tax planning to transfer pricing, tax technology, and indirect tax advisory, supporting clients in navigating complex tax regimes worldwide. Transaction advisory includes mergers and acquisitions due diligence, valuation, deal strategy, restructuring, and real estate guidance, while consulting covers strategy, operations, technology transformation, people advisory, and risk consulting. By integrating these service lines, EY assists clients in improving performance, managing risk, and seizing growth opportunities in both mature and emerging markets.

EY operates as one of the largest professional services networks globally, with a workforce that numbers in the hundreds of thousands and a presence in more than 150 countries through its network of legally independent member firms. The organization’s annual revenue is consistently reported in the tens of billions of United States dollars, positioning it among the “Big Four” accounting firms and underscoring its substantial market share in audit, tax, and advisory services. Although EY’s member firms are separate legal entities owned by their partners, they are coordinated by Ernst & Young Global Limited, a UK‑registered private company limited by guarantee that does not itself provide services to clients but sets global standards, shares methodologies, and manages the EY brand. This structure enables the firm to deliver locally relevant expertise while maintaining a unified global approach to quality and innovation.

EY distinguishes itself through a strong focus on integrated service delivery, combining audit, tax, advisory, and consulting capabilities to address multifaceted business challenges, and through sustained investment in innovation, including artificial intelligence, data analytics, blockchain, and cloud technologies. The firm operates a network of innovation spaces known as EY wavespace centers and maintains dedicated practices for sustainability, climate change, and ESG reporting, reflecting its commitment to helping clients transition to a more sustainable economy. EY also contributes to the development of global accounting and auditing standards by participating in standard‑setting bodies and publishing thought‑leadership content that influences regulatory discourse. Its emphasis on diversity, equity, and inclusion, as well as its initiatives aimed at building a better working world, further shape its reputation as a leading professional services organization committed to both client success and broader societal impact.

Incidents

3 incidents linked to this organisation.