Not Disclosed
a portfolio company of
Morgan Stanley Capital Partners
has been acquired by
December 2024
Consumer Products & Services
Andrew Jessen
Managing Director, Head of M&A
About Andrew
Andrew Jessen is a managing director and head of M&A for William Blair based in the firm’s Chicago office. He joined William Blair's investment banking team in 2004. Prior to William Blair, he worked for Lehman Brothers, Accenture, and A.T. Kearney.
Notable Transactions
Not Disclosed
a portfolio company of Bain Capital
has been acquired by
August 2024
Consumer Products & Services
Not Disclosed
a portfolio company of Harvest Partners
has received a growth
investment from
August 2024
Technology
William Blair acted as financial advisor to Service Express, a portfolio company of Harvest Partners, in connection with its growth investment from Warburg Pincus.
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$425,000,000
has received a growth equity investment from
February 2023
Consumer Products & Services
William Blair & Company acted as the exclusive financial advisor to Spotless Brands in connection with its $600 million capital raise, consisting of non-convertible redeemable preferred units, common equity, and first-lien credit.
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Not Disclosed
a portfolio company of Kohlberg & Co.
has been acquired by
June 2023
Financial Services
William Blair acted as the lead financial advisor to U.S. Retirement and Benefits Partners, a portfolio company of Kohlberg & Company, in connection with its sale to the Vistria Group.
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Not Disclosed
a portfolio company of Linden Capital Partners
has received an investment from
December 2021
Healthcare Services
Not Disclosed
a portfolio company of Ares Management
has received a partnership investment from
December 2021
Supply Chain & Commercial Services
William Blair acted as lead financial advisor to Convergint Technologies, a portfolio company of Ares Management Corporation (NYSE: ARES), in connection with its equity sale from a fund managed by Ares’ Private Equity Group and other existing shareholders to Leonard Green & Partners, L.P. and funds managed by Harvest Partners, LP.
Read moreRigorous pursuit of your success. Every transaction. Every time.
Our investment bankers are 100 percent committed to your organization’s sustained success. By drawing on our deep industry and product experience as well as our dedicated global resources, we provide advisory and financing services that allow you to capitalize on today’s opportunities and anticipate tomorrow’s challenges.
More about investment banking at William Blair
Mergers & Acquisitions
Publicly traded and privately held companies around the globe count on our M&A Advisory Group for comprehensive financial advisory services and expert guidance. We serve buyers and sellers by providing in-depth financial and strategic analysis, identifying optimal potential transaction partners, developing creative deal structures, and negotiating complex transaction terms.
Our long record, leadership position in the middle market, and high level of transaction activity enable us to clear the market globally in search of the best transaction partners. Our bankers are true experts in your industry and understand the competitive landscape and deal environment facing our clients.
More about our M&A expertise
About William Blair
William Blair is a premier global partnership with expertise in investment banking, investment management, and private wealth management. We provide advisory services, strategies, and solutions to meet our clients’ evolving needs. As an independent and employee-owned firm, together with our strategic partners, we operate in more than 20 offices worldwide.*
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1935Year William Blair was founded
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2,000+Employees worldwide
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145 billion+Client assets
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90 YearsIndependent and employee-owned
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20+Offices worldwide
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650+Companies under coverage
As of June 30, 2025
*Includes strategic partnerships with Allier Capital, BDA Partners, and Poalim Capital Markets.