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

O'Neil, Cannon, Hollman, DeJong & Laing S.C. At OCHDL we strive for excellence in all we do. It is reflected in the quality of our legal work and exceptional client service.

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. 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.

07/28/2026

O’Neil Cannon is proud to announce that attorneys Jim DeJong, Jason Scoby, Steve Slawinski, and John Gehringer have been recognized in the Wisconsin Legal 250, a premier honor presented by the Wisconsin Law Journal. The Wisconsin Legal 250 recognizes many of the state’s most influential and acco...

07/22/2026

If your typical Wednesday involves writing a college tuition check in the morning and interviewing in-home nurses for your parents by lunch, then you are officially part of the “Sandwich Generation.” It is a role rooted in deep family loyalty, but let’s be honest: Being in the middle can feel ...

05/22/2026

Memorial Day marks the start of summer for many people, and in addition to boating and barbecues, many employers start to think about summer hires. While many companies hire younger workers for seasonal staffing needs, they need to be aware that the employment of minors is a heavily regulated area.....

05/12/2026

O’Neil Cannon is pleased to announce that John “Jack” McNally has joined the firm as a member of its Litigation and Trust, Estates and Succession Planning Practice Groups. McNally concentrates his practice on probate and trust litigation, representing individuals, families, and businesses in d...

04/29/2026

A number of former O’Neil Cannon attorneys have devoted a substantial portion of their professional careers to public service after leaving the firm. Those attorneys include the following: Honorable Thomas Barrett. The Honorable Thomas Barrett served in the Wisconsin State Assembly from 1984 to 19...

04/21/2026

The transfer portal and NIL (name, image, and likeness) payments have recently significantly changed the landscape of college sports. The combination of the two has resulted in free agency for student athletes and hotly contested litigation in connection therewith. The National Collegiate Athletic A...

03/30/2026

Spring is the season for cleaning and organization—and it can also be a good time for businesses to revisit their document retention policies. For any combination of paper files, emails, and digital records, having a thoughtful business records management strategy can help reduce risk, control sto...

Address

111 E. Wisconsin Avenue, Suite 1400
Milwaukee, WI
53202

Opening Hours

Monday 8:30am - 5pm
Tuesday 8:30am - 5pm
Wednesday 8:30am - 5pm
Thursday 8:30am - 5pm
Friday 8:30am - 5pm

Telephone

+14142765000

Website

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