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.

09/03/2026

O’Neil Cannon is pleased to announce that Geron Eatherly, a cm laude graduate of the University of Wisconsin Law School, has joined the firm’s Litigation Practice Group. Eatherly assists clients with business and commercial litigation, appellate matters, dispute resolution, and government and r...

09/01/2026

We are pleased to announce that 19 of our lawyers have been included in the 2027 Edition of The Best Lawyers in America, and an additional three have been selected as 2027 Best Lawyers: Ones to Watch. The following are the O’Neil Cannon lawyers named to the 2027 lists: Best Lawyers in America Doug...

08/25/2026

The O’Neil Cannon softball team closed out its 2026 season after another summer of competition, camaraderie, and plenty of memorable moments. This year’s roster brought together attorneys and staff from across the firm, including several first-time players who quickly became part of the team. Fr...

08/12/2026

O’Neil Cannon is pleased to welcome attorneys Sydney Kojis and Rachel Sweet to the firm. Sydney Kojis joins O’Neil Cannon after earning her J.D., cm laude, from Marquette University Law School. While at Marquette, Kojis served as Comment Editor of the Marquette Law Review, participated in the M...

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...

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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