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Peter J. Faust is the President and Managing Shareholder of the law firm of O'Neil, Cannon, Hollman, DeJong & Laing S.C., a 40-attorney firm headquartered in Milwaukee, Wisconsin. Pete assists buyers, sellers, borrowers, lenders, and investors with a wide range of business law matters: including, mergers and acquisitions, formation and organization of new businesses, and contract negotiations. Pete has successfully closed hundreds of mergers and acquisitions and financing transactions involving public and private companies.


  • 111 East Wisconsin Avenue, Suite 1400
    Milwaukee, WI 53202


  • English

Bar Admissions

  • Wisconsin, State Bar of Wisconsin


  • American Bar Association - Committee on Mergers and Acquisitions
  • American Bar Association - Committee on Private Equity and Venture Capital
  • State Bar of Wisconsin - Board Member, Business Law Section
  • State bar of Wisconsin - Former Member, Business Law Section’s Chapter 180 Subcommittee (which reviews and revises Wisconsin’s Business Corporation Law: Chapter 180 of the Wisconsin Statutes)

Lawyer of the Year Badge - 2022 - Mergers and Acquisitions Law

Named "Lawyer of the Year" by Best Lawyers® for:

  • Mergers and Acquisitions Law, Milwaukee (2022)

Recognized in The Best Lawyers® in America 2023 for work in:

  • Corporate Law
  • Mergers and Acquisitions Law

Special Focus

  • Mergers & Acquisitions


  • Selected as one of the “Top 25 Lawyers” in Milwaukee in 2011 by Law & Politics and Milwaukee Magazine
  • Selected as one of the “Top 50 Lawyers” in Wisconsin in 2011 by Law & Politics and Milwaukee Magazine
  • Editor-in-Chief, Marquette Law Review
  • Martindale-Hubbell® Peer Review Rating™–AV Preeminent, reflecting an attorney who has reached the height of professional excellence and is recognized for the highest levels of skill and integrity
  • Named one of "Milwaukee's Leading Lawyers" in Corporate/Incorporated by M Magazine in 2014 and in Securities Offerings in 2015. Only 2-5% of the top ranked attorneys published by Avvo for each category, were recognized
  • Rated a 10.0 out of 10.0 by Avvo, a national attorney rating service which uses a mathematical model to rate attorneys based on experience, professional achievements, industry recognition and professional conduct
  • Selected for inclusion in The Best Lawyers in America® 2013–2021–Corporate Law
  • Selected for inclusion in Wisconsin Super Lawyers® in 2005-2020 by Law & Politics and Milwaukee Magazine

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Pete Assists Clients With

  • Mergers, acquisitions, and recapitalizations of businesses
  • Private equity and venture capital financing
  • Private offerings of debt and equity securities
  • Securities laws issues
  • Complex contractual matters and negotiations
  • Business financing and loan documentation for borrowers and lenders
  • Formation of new businesses and exit strategies
  • Covenants not to compete and confidentiality agreements
  • Corporate governance issues
  • Tax-exempt organizations

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