Managing Director, Technology
Andrew Arno is a managing director for William Blair based in the firm’s San Francisco office. He joined William Blair's investment banking team in 2004. Prior to William Blair, he worked for WR Hambrecht and The Shattan Group.
has been acquired by
a portfolio company of Bridgepoint
July 2025
William Blair acted as the exclusive financial advisor to Beekeeper in connection with its pending acquisition by LumApps, a portfolio company of Bridgepoint.
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a portfolio company of Battery Ventures
has been acquired by
October 2024
a portfolio company of Eurazeo, Goldman Sachs Growth, bpifrance, and
IRIS Capital Group
has received a strategic
investment from
July 2024
William Blair acted as the exclusive financial advisor to LumApps, a portfolio company of Eurazeo, Goldman Sachs Growth, Bpifrance, and IRIS Capital Group in connection with its strategic investment from Bridgepoint Group in a deal valued at $650 million.
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a portfolio company of
Main Capital Partners
has been acquired by
September 2023
William Blair acted as exclusive financial advisor to Assessio, a portfolio company of Main Capital Partners, in connection with its pending sale to Pollen Street Capital.
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a portfolio company of
the Riverside Company
has been acquired by
a portfolio company of The Carlyle Group
May 2023
William Blair acted as the lead financial advisor to Modern Hire, a portfolio company of the Riverside Company, in connection with its acquisition by HireVue, a portfolio company of The Carlyle Group.
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a portfolio company of
Century Equity Partners
has received an investment from
September 2022
William Blair acted as the exclusive financial advisor to Flores & Associates, LLC, a portfolio company of Century Equity Partners, in connection with its recapitalization by The Vistria Group.
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a portfolio company of Caltius Equity Partners
has received a majority investment from
August 2022
a portfolio company of Warburg Pincus and JMI Equity
has received a majority investment from
December 2021
William Blair acted as the exclusive financial advisor to Businessolver, a portfolio company of Warburg Pincus and JMI Equity, in connection with its majority investment from Stone Point Capital.
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has acquired
October 2021
William Blair acted as a financial advisor to Clearlake Capital Group, L.P. (Clearlake) in connection with its pending acquisition of Cornerstone OnDemand (NASDAQ: CSOD) (Cornerstone).
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Initial Public Offering
October 2021
Initial Public Offering
September 2021
a portfolio company of Great Hill Partners
has been acquired by
August 2021
William Blair acted as the exclusive financial advisor to Reward Gateway, a portfolio company of Great Hill Partners, in connection with its pending sale to Abry Partners and Castik Capital.
Read moreOur 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
We have built the premier technology investment banking franchise by using our deep sector expertise and our relationships to connect innovative, high-growth companies with transformative sources of capital and strategic partnerships. By drawing on our knowledge of strategic roadmaps and investment trends across the technology ecosystem, we have helped companies in the most dynamic verticals accelerate their growth and unlock their potential.
More about our technology expertise
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.*
Year William Blair was founded
Employees worldwide
Client assets
Independent and employee-owned
Offices worldwide
Companies under coverage
As of September 30, 2025
*Includes strategic partnerships with Allier Capital, BDA Partners, and Poalim Capital Markets.
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