William Blair & Company, L.L.C.
William Blair & Company, L.L.C. was founded in 1935. William Blair & Company, L.L.C. is an employee-owned financial services firm that offers investment banking, equity research, institutional and private brokerage, and asset management to individual, institutional, and issuing clients. The firm’s services include portfolio management, sales and trading, investment banking services, mutual funds, and venture capital financing. In addition, William Blair & Company, L.L.C. also makes private equity investments through its investment arm William Blair Capital Partners.