About William Blair
William Blair is an investment bank founded in 1935. It is primarily based in Chicago, United States. As of Sep 2026, William Blair has facilitated 1279 deals, comprising 1015 M&A deals and 264 funding rounds. It has facilitated 43 deals in the last 12 months. It primarily facilitates Business Acquisition and PE deals for United States and United Kingdom based companies. The deals facilitated are spread across a wide range of sectors from Enterprise Applications to Vertical SaaS. Most recently, it facilitated the $***** PE round of HBKS Wealth on Aug 26, 2026 and the acquisition of Spectrum Control by Greenbriar on Sep 29, 2026. Apart from facilitating deals, William Blair has also invested in 26 companies and acquired 4 companies till Sep 2026.
Key Metrics
Founded Year
1935
Location
Chicago, United States
No. of Deals facilitated
1279
No. of Deals facilitated in last 12 months
43
Top Deal Types
Business Acquisition, PE
Top Locations of Deals
Top Sectors of Deals
Funding Rounds Facilitated
M&A Facilitated
Recent Funding Deals facilitated by William Blair
William Blair has facilitated a total of 264 funding deals including PE deals. The latest round that they facilitated was on Aug 26, 2026 for HBKS Wealth in their PE round of $*****.Their most notable funding round deals include a $***** Conventional Debt round of XPO Logistics.Here is the list of recent funding rounds facilitated by William Blair:
Date | Company | Round Name | Amount | Investors |
|---|---|---|---|---|
Aug 26, 2026 | PE | 7565 | ||
Aug 25, 2026 | PE | 1704 | ||
Jul 02, 2026 | PE | 6852 | ||
May 13, 2026 | PE | 4470 |
Recent M&A Deals facilitated by William Blair
The latest M&A that they facilitated was on Sep 29, 2026 where Spectrum Control was acquired by Greenbriar.Their most notable M&A deals include acquisition of TaskUs by Blackstone.Here is the list of recent M&A deals facilitated by William Blair:
Date | Company | Amount | Acquirers | Co Facilitators |
|---|---|---|---|---|
Sep 29, 2026 | 5230 | |||
Sep 14, 2026 | 9035 | and 5 more | ||
Sep 01, 2026 | 8346 | kzdnshhd | ||
Aug 18, 2026 | 4859 | vhbjiepp |
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Team profile of William Blair
William Blair has a team of 380 members including 144 Partners and 22 Principals located in United States, United Kingdom and 2 more locations. William Blair's team does not sit on the board of any company as of now.Here is a list of top team members in William Blair:
Name | Designation | Location | Contact Details |
|---|---|---|---|
Partner | Chicago | ||
Partner | Chicago | ||
Partner | San Francisco | ||
Partner | London | ||
Partner | Frankfurt Am Main | ||
Partner | New York City | ||
Partner | Chicago | ||
Partner | Chicago | ||
Partner | San Francisco | ||
Partner | London | ||
Partner | Chicago |
William Blair News
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William Blair Adds Managing Director Focused on Insurance and Financial Services SectorsInsuranceNewsNet•Sep 22, 2026•William Blair
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CVC Capital Partners Explores $2 Billion Sale of Dr. Teal's Parent ArtheaGlobal CosmeticNews•Sep 10, 2026•William Blair, Moelis & Company, CVC
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William Blair Acquires Sports Investment Bank Inner Circle SportsSGB Media•Jul 01, 2026•William Blair, Icssports, Inner Circle Sports
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Digital Asset raises $355 million to bring Wall Street onchainCoinDesk•Jun 11, 2026•a16zcrypto, Digital Asset, Andreessen Horowitz, Canton and 23 others
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Cencora Appoints Eva Boratto as Executive Vice President and Chief Financial OfficerBusiness Wire•May 27, 2026•Cencora, William Blair
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