A. William Caporizzo
Partner
- Vice Chair, Transactional Department
Bill Caporizzo is a leading lawyer and certified public accountant who helps both private and public companies navigate the complex tax issues they often face. For more than 30 years, Mr. Caporizzo has been regularly called upon to represent clients on the tax implications of domestic and cross-border corporate mergers, acquisitions and dispositions, as well as international restructurings. He also focuses on all tax issues related to early-stage companies, including equity compensation issues, and structuring financing transactions and mergers and acquisitions for efficient tax results. In addition, he has extensive experience with the taxation of partnerships and limited liability companies engaged in investment and real estate activities. Learn more about Mr. Caporizzo's practice and how he can support your startup on WilmerHaleLaunch.com.
Mr. Caporizzo has presented at seminars on taxation for the NASDAQ, National Association of Stock Plan Professionals, and Massachusetts Continuing Legal Education Program. He is a member of the Tax Sections of the American and Massachusetts Bar Associations and the Boston Bar Association.
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WilmerHale Represents WeWork in Acquisition of Teem Technologies
Today, WeWork Companies Inc. announced that it has agreed to acquire Teem Technologies, Inc., a leading software platform that helps its customers better utilize space and employees through advanced meeting tools, detailed workplace analytics and ways to welcome and manage visitors.
September 12, 2018Read More -
WilmerHale Lawyers Named Among the 2019 Best Lawyers in America®, Nine Recognized as Lawyers of the Year
Nine WilmerHale partners were named 2019 Lawyers of the Year by Best Lawyers in America®, with the peer-review publication recognizing 114 lawyers from the firm overall.
August 15, 2018Read More -
WilmerHale Counsels Vail Resorts in Acquisition of Four Mountain Resorts in Two Transactions
Vail Resorts, Inc., a leading global mountain resort operator, announced on June 4, 2018, that it has entered into an agreement to purchase four mountain resorts.
June 13, 2018Read More
Experience
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Represented Credit Suisse Securities and BMO Capital Markets Corp. on tax matters related to its Entasis IPO.
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Advised WeWork Companies Inc. on various tax matters in connection with its acquisition of Teem Technologies.
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Counseled TMC Bonds in the acquisition by Intercontinental Exchange.
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Represented Vail Reports in its acquisition of four mountain resorts in two separate transactions.
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Advised DriveWealth in its $21M Series B Funding.
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Served as legal counsel in connection with the creation of Valence Media, a new diversified media company formed through the combination of three successful media companies.
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Represented Westmount Asset Management on the sale of Rosemont Investment Partners’ stake to Temperance Partners.
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Counseled WorkMarket in its acquisition by ADP.
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Advised HS2 Solutions in its acquisition of LunaMetrics.
Recognition
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Leading Tax Lawyer
Chambers USA
2007–2023
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Best Lawyer in America for Tax Law
Best Lawyers in America®
2013–2024
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Recommended for Tax: US Taxes Non-Contentious
The Legal 500 United States
2016–2019
- Recognized as a Massachusetts leader in the practice area of tax in the 2007–2023 editions of Chambers USA: Guide, with sources saying he is "really helpful in guiding the business people to understand the issues and to come up with solutions" and that "his advice is always tailored to the needs of the client." He has also been previously recognized in the area of employee benefits.
- Selected by peers for inclusion in the 2013–2024 editions of Best Lawyers in America for his tax law practice.
- Named to Boston Magazine’s Top Lawyers list in the area of tax law (2021–2023).
- Recommended in the 2016–2019 editions of the The Legal 500 United States in the area of Tax: US Taxes Non-Contentious.
- Named a "New England Super Lawyer" (formerly "Massachusetts Super Lawyer") in tax law in the 2004–2012 issues of Boston Magazine.
Insights & News
Credentials
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Education
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JD, Boston University School of Law, 1985
magna cum laude -
BS, University of Pennsylvania, 1982
magna cum laude
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Admissions
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Massachusetts
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Connecticut
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Credentials
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Education
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JD, Boston University School of Law, 1985
magna cum laude -
BS, University of Pennsylvania, 1982
magna cum laude
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Admissions
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Massachusetts
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Connecticut
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