William Blair is a global boutique with expertise in investment banking, investment management, and private wealth management. It is headquartered in Chicago, with offices in more than 20 cities on four continents. The firm helps corporations, financial sponsors, and owner/entrepreneurs around the world achieve their growth, liquidity, and financing objectives. Since September 2019, the firm has completed more than $542 billion in M&A transactions for clients in more than 30 countries. Today, its research group covers approximately 650 companies.

William Blair is consistently rated a top place to work in the financial services industry. In 2024, among its many honors, it was named a Top Workplace by the Chicago Tribune and by USA Today. In addition, its deals have been recognized at Mergers & Acquisitions’ annual Middle Market Deal of the Year Awards, and it has earned a perfect score on the Corporate Equality Index, which rates corporate policies and practices related to LGBTQ+ workplace equality.