William Blair at a Glance


  • “Great, team-oriented culture”
  • “The people I work with”
  • “Opportunities for promotion; great level of responsibility for junior members”


  • “Unpredictable hours and inconvenient travel times”
  • “We occasionally lose large mandates solely due to client perception regarding our transaction-size focus”
  • “Increasing bureaucracy”

The Buzz

  • “Top middle market sell-side bank”
  • “Sweatshop”
  • “Good research, and probably the best middle market firm”
  • “Regional”

About William Blair

William Blair is an independent and employee-owned global investment banking and asset management firm based in Chicago, with offices in over 20 cities across five continents. William Blair is led by CEO John Ettelson, and of the firm's more than 1,400 employees, approximately 190 are partners.

William Blair's investment banking group helps corporations, financial sponsors, owner/entrepreneurs, and governments around the world to achieve their growth, liquidity, and financing objectives. Drawing on the collective intellectual capital and sector expertise of a global team, the investment banking group provides advice and services on corporate board advisory projects, mergers and acquisitions, and equity and debt financings. Since 2012, William Blair has completed more than 900 transactions totaling more than $230 billion. During that same period, the firm was an underwriter on more than 20 percent of all U.S. initial public offerings and raised over $100 billion in public and private financing.

William Blair repeatedly receives M&A accolades; in 2016, the firm was awarded "M&A Deal of the Year" by Buyouts magazine and named to Mergers & Acquisitions magazine list of "Most Influential Women in M&A." In 2015, William Blair received "M&A Deal of the Year," "Corporate and Strategic Acquisition of the Year," and "Cross-border Deal of the Year" from M&A Advisor; and "Americas Investment Bank of the Year" and "Investment Bank of the Year" from M&A Atlas

William Blair

222 West Adams Street
Chicago, IL 60606
Phone: (312) 236-1600


  • Employer Type: Private
  • President & CEO: John R. Ettelson
  • 2016 Employees: 1,480

Major Office Locations

  • Boston, MA
  • Chicago, IL
  • Frankfurt, Germany
  • London, United Kingdom
  • New York, NY
  • San Francisco, CA
  • São Paulo, Brazil
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