General Information

Year founded: 1973
This is the year the firm (or its earliest predecessor entity) was founded.
Logo for O'Neil, Cannon, Hollman, DeJong & Laing S.C.


Content is provided by the firm.

The attorneys at O’Neil, Cannon, Hollman, DeJong & Laing S.C. focus on meeting the many needs of businesses and their owners. Our experienced attorneys work with businesses and their owners at all stages of the business life cycle, helping them start, grow, and transition their businesses. We also assist business owners with their personal legal needs, including tax and estate planning, and family law.

The firm’s practice groups include:

  • Litigation including business litigation, class-action litigation, appellate services, arbitration/mediation, plaintiff’s personal injury litigation, and family law.
  • Business Law including formation, organization, and choice of entities; shareholder, buy-sell, and operating agreements; corporate governance; commercial contracts, including e-commerce, software, technology, manufacturing, supply, distribution, leasing, and licensing contracts; and franchise/dealership agreements.
  • Mergers & Acquisitions including advising buyers and sellers, including private equity firms, and management teams, in asset and stock deals, mergers, divestitures, recapitalizations and restructurings, and management buyouts; and advising businesses and investors on securities compliance matters at the state and federal level, including drafting and reviewing private placement offerings and convertible debt instruments.
  • Banking, Receivership & Creditors’ Rights including receivership, corporate bankruptcy, commercial foreclosures, insolvency-related litigation, complex commercial collections, out-of-court corporate restructuring, and commercial loan transactions.
  • Tax Advice, Planning & Controversy including transactional tax and consulting, individual tax and succession planning, employee benefits and executive compensation tax, real estate tax, tax controversy, tax-exempt organizations and charitable giving, and state and local taxation.
  • Estate & Business Succession Planning including trust and estate administration, business succession planning, charitable planning, fiduciary representation, and probate.
  • Labor & Employment including representing the interests of management in discrimination or wrongful termination cases, labor and union matters such as collective bargaining and labor arbitration, litigating non-compete agreements, trade secrets claims and unfair competition matters, wage and hour litigation, employee benefits such as 401(k)/ERISA matters and matters involving executive compensation, defending claims and charges before EEOC, NLRB, DOL and numerous state agencies, and human resources matters such as disciplining and terminating employees, advising on accommodation and leave issues, drafting agreements, policies and procedures and providing supervisory training.
  • Inheritance Litigation & Will Contests including grounds for challenging a will, trust, beneficiary designation, or gift.
  • Family Law including divorce and legal separation.
  • Real Estate & Construction including real estate development and land use law, as well as construction law.

Because we know that businesses and their owners rely on attorneys during some of the most fulfilling—and frightening—times in their lives, we combine the experience and proficiency of a large firm with the personal approach of a local law firm.


O'Neil, Cannon, Hollman, DeJong & Laing S.C. is metro ranked in 16 practice areas. Best Law Firms rankings are based on a rigorous evaluation process.

Read how Best Law Firms ranks firms

Metro Rankings

Tier 1 for Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law
Tier 1 for Commercial Litigation
Tier 1 for Construction Law
Tier 1 for Corporate Law
Tier 1 for Litigation - Bankruptcy

About Our Clients

Sample of Clients:

  • Dickten Masch Plastics LLC
  • TEAM Industries Inc.
  • Lakeview Equity Partners
  • Cousins Submarines, Inc.
  • First Manitowoc Bancorp Inc.


    Metro Rankings

    Tier 1 for Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law
    Tier 1 for Commercial Litigation
    Tier 1 for Construction Law
    Tier 1 for Corporate Law
    Tier 1 for Litigation - Bankruptcy
    Tier 1 for Litigation - Insurance
    Tier 1 for Mergers and Acquisitions Law
    Tier 1 for Product Liability Litigation - Defendants
    Tier 1 for Real Estate Law
    Tier 1 for Trusts and Estates
    Tier 2 for Business Organizations (including LLCs and Partnerships)
    Tier 2 for Litigation - Labor and Employment
    Tier 2 for Personal Injury Litigation - Plaintiffs
    Tier 2 for Securities / Capital Markets Law
    Tier 3 for Employment Law - Management
    Tier 3 for Tax Law

    Practice Areas

    The below are areas of legal specialty volunteered by the firm and do not designate a specialty in which a Best Law Firms ranking is held.
    • Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law
    • Commercial Litigation
    • Construction Law
    • Corporate Law
    • Elder Law
    • Employment Law - Individuals
    • Employment Law - Management
    • Family Law
    • Litigation - Bankruptcy
    • Mergers and Acquisitions Law
    • Personal Injury Litigation - Plaintiffs
    • Product Liability Litigation - Defendants
    • Real Estate Law
    • Securities / Capital Markets Law
    • Tax Law
    • Trusts and Estates

    Individuals Recognized in The Best Lawyers in America®

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    Client Comments

    All client comments represent the opinions of the people who provided them. All potential clients are urged to remember that no two cases are ever completely alike and that the result in one case does not guarantee a similar result in another case.
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    Main Location

    Milwaukee, WI
    111 East Wisconsin Avenue, Suite 1400
    Milwaukee, WI 53202
    United States
    414-276-5000 Call our Milwaukee, WI location at 414-276-5000 Get Directions Get directions to our Milwaukee, WI location

    Office Locations

    Management and Personnel

    Managing Shareholder
    Peter J. Faust


    Marketing Director
    Julie Dietz
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