Overview

At O’Neil, Cannon, Hollman, DeJong & Laing S.C., our attorneys advise businesses and business owners through every stage of the business life cycle. From business formation and growth to ownership transitions and succession planning, we provide practical legal guidance tailored to each client’s goals. We also assist individuals and families with personal legal matters, including tax and estate planning and family law issues.

Our practice areas include:

  • Litigation including business disputes, class actions, appellate matters, arbitration and mediation, plaintiff personal injury claims, and family law matters.
  • Business Law including business formation and entity selection; shareholder, operating, and buy-sell agreements; corporate governance; commercial contracts involving technology, software, manufacturing, distribution, leasing, licensing, and e-commerce; and franchise and dealership agreements.
  • Mergers & Acquisitions including representation of buyers, sellers, private equity firms, and management teams in asset and stock transactions, mergers, restructurings, recapitalizations, divestitures, and management buyouts, as well as guidance on state and federal securities compliance matters.
  • Banking, Receivership & Creditors’ Rights including receiverships, corporate bankruptcy matters, commercial foreclosures, insolvency-related litigation, commercial collections, business restructurings, and commercial lending transactions.
  • Tax Advice, Planning & Controversy including transactional tax planning, succession and estate planning, executive compensation and employee benefits matters, real estate tax issues, tax disputes, charitable planning, and state and local taxation.
  • Estate & Business Succession Planning including trust and estate administration, probate matters, fiduciary representation, charitable planning, and strategies for business succession and wealth transfer.
  • Labor & Employment including representation of management in employment disputes, labor and union matters, wage and hour litigation, restrictive covenant and trade secret disputes, employee benefits and executive compensation matters, proceedings before agencies such as the EEOC, NLRB, and DOL, and day-to-day human resources counseling.
  • Inheritance Litigation & Will Contests including disputes involving wills, trusts, beneficiary designations, fiduciary conduct, and contested gifts.
  • Family Law including divorce, legal separation, custody matters, and related family law issues.
  • Real Estate & Construction including commercial and residential real estate matters, land use and development, leasing, and construction-related legal issues.

We understand that legal matters often arise during important and sometimes challenging moments for businesses, families, and individuals. Our firm is committed to providing responsive service, practical guidance, and personalized attention while offering the depth of resources clients expect from an established law firm.

Founded:
1973
Size:
46
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Practice Areas:
10
Person outline with Best Lawyers logo
Best Lawyers Recognized:
19

Rankings

Regional

Milwaukee

Tier
1
Milwaukee
Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law
Tier
1
Milwaukee
Business Organizations (including LLCs and Partnerships)
Tier
1
Milwaukee
Commercial Litigation
Tier
1
Milwaukee
Construction Law
Tier
1
Milwaukee
Corporate Law
Tier
1
Milwaukee
Employment Law - Management

About Our Clients

Sample of Clients:

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

    Rankings

    Regional

    Milwaukee

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

    Practice Areas

    O'Neil, Cannon, Hollman, DeJong & Laing SC has been ranked by Best Law Firms for excellence in 18 specialties, reflecting the firm's commitment to delivering outstanding legal services.
    Additionally, the firm provides services in these practice areas:

    Individuals Recognized in The Best Lawyers in America®

    O'Neil, Cannon, Hollman, DeJong & Laing SC proudly has 19 lawyers recognized for their outstanding professional performance in the 2027 edition of The Best Lawyers in America®. This peer-reviewed honor highlights individual excellence and directly qualifies the firm for consideration in the prestigious Best Law Firms rankings. For over four decades, Best Lawyers has been the gold standard for recognizing top legal talent, serving as the cornerstone for Best Law Firms awards. Learn more about our rigorous Best Lawyers research and selection process.
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    Client Comments

    A strong relationship between a client and their law firm is key to achieving the best possible outcomes. Open communication, trust, and collaboration ensure that attorneys understand each client’s unique goals and needs. Choosing the right firm means finding a team with the experience, knowledge, and dedication to guide you through every stage of the legal process.
    Client comments reflect personal opinions and individual experiences. Every case is different, and outcomes depend on specific facts and circumstances. Past results and testimonials do not guarantee similar outcomes in future matters. For personalized legal advice, consult directly with an experienced attorney who can evaluate your specific situation and provide tailored guidance.
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    Offices & Contacts

    Milwaukee, WI
    111 East Wisconsin Avenue, Suite 1400
    Milwaukee, WI 53202
    United States
    Port Washington, WI
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