O'Neil, Cannon, Hollman, DeJong & Laing S.C.

O’Neil, Cannon, Hollman, DeJong & Laing S.C. is a premier Wisconsin law firm known for guiding businesses and their owners through complex legal challenges with clarity, precision, and practical strategy. Built on decades of experience, the firm provides sophisticated counsel across the business lifecycle, from entity formation and growth to transition, succession planning, and dispute resolution. A reputation for insight and responsiveness continues to define the firm’s role as a trusted advisor in the state’s commercial and professional communities.

O’Neil, Cannon, Hollman, DeJong & Laing S.C. offers an integrated suite of practice areas, including litigation, business law, mergers and acquisitions, banking and creditors’ rights, tax planning, estate and business succession planning, employment law, inheritance litigation, family law, and real estate and construction. This multidisciplinary structure allows the firm to deliver coordinated, forward-looking solutions tailored to the distinct needs of companies, executives, and individuals. With shareholder involvement at every stage, matters are approached with both strategic sophistication and practical efficiency.

O’Neil, Cannon, Hollman, DeJong & Laing S.C. is recognized for its meticulous preparation, collaborative problem-solving, and ability to develop creative strategies in high-stakes matters. Whether structuring transactions, navigating regulatory concerns, litigating complex disputes, or managing sensitive family or succession issues, the firm leverages deep technical knowledge and refined judgment to produce meaningful, durable outcomes for clients across Wisconsin and beyond.

O’Neil, Cannon, Hollman, DeJong & Laing S.C. upholds a longstanding commitment to exceptional service, grounded in professionalism, integrity, and community engagement. With offices in Milwaukee and Port Washington and membership in Meritas, the firm continues to provide trusted counsel designed to protect interests, support growth, and lead clients through critical decisions with confidence.