What departments does O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C. have?

O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C. has employees across 3 departments including Administrative, Legal, Accounting.

What is the largest department at O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C.?

The largest department at O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C. is Legal with 7 employees.

Where are O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C. employees located globally?

O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C. has employees across 2 continents and 2 countries including Spain, United States Of America.

How has O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C.'s team size changed over time?

O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C.'s team has grown from approximately 77 to 80 employees based on available data.

O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C. Employee Directory

Law PracticeWisconsin, United States51-200 Employees

O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C. is a Milwaukee-based law practice that provides practical legal guidance to businesses and their owners. The firm supports clients through all stages of the business life cycle, helping them start, grow, and transition their ventures, while also handling personal matters such as tax and estate planning, family law, and various forms of litigation, including personal injury. Its lawyers work in collaborative teams to analyze issues thoroughly and to pursue clients' goals with attentive, reliable service.

In 2026, the firm announced the addition of John 'Jack' McNally as a member of its Litigation and Trusts, Estates and Succession Planning Practice Groups.

O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C. Global Highlights

North America
109

United States Of America
109

Europe
1

Spain
1

O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C.'s Leadership

J. S.
Office Manager
Mobile Phone
Email
K. K.
Erisa/Employee Benefits & Compensation Attorney
Mobile Phone
Email
B. R.
Accounts Payable
Mobile Phone
Email
C. F.
Accounting Associate
Mobile Phone
Email
D. J.
Legal Assistant
Mobile Phone
Email
G. W.
Shareholder And Litigation Practice Group Chair
Mobile Phone
Email
J. B.
Attorney At Law
Mobile Phone
Email
J. V.
Shareholder
Mobile Phone
Email

O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C. Employee Metrics

100%

50%

0%

2026

2025

Legal
Accounting
Community & Social Services
Administrative
Business
Other
Information Technology

Contact profiles from O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C.

Name

Title

Contact

Location

Last Update

J. S.
Office Manager
Mobile Phone
Email
Sep 01, 2026
K. K.
Erisa/Employee Benefits & Compensation Attorney
Mobile Phone
Email
May 29, 2026
B. R.
Accounts Payable
Mobile Phone
Email
Oct 21, 2024
C. F.
Accounting Associate
Mobile Phone
Email
Apr 25, 2025
D. J.
Legal Assistant
Mobile Phone
Email
Oct 17, 2024
G. W.
Shareholder And Litigation Practice Group Chair
Mobile Phone
Email
Oct 23, 2024
J. B.
Attorney At Law
Mobile Phone
Email
Oct 22, 2024
J. V.
Shareholder
Mobile Phone
Email
Oct 17, 2024
K. C.
Legal Assistant
Mobile Phone
Email
Oct 23, 2024
L. F.
Legal Assistant
Mobile Phone
Email
Jun 21, 2025

Frequently Asked Questions

What is O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C. known for?

O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C. was founded in 1973 and operates in the Law Practice industry. You can contact O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C.'s main corporate office by phone at

+1-414-276-****

. Explore O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C.'s company overview page for more information.

What is O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C.'s most common email format?

O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C. employees' email format typically follows the pattern of First.Last@wilaw.com. Trying to find reliable and up-to-date employee contact data? Find more O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C. email formats with LeadIQ.

How many employees does O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C. have currently?

O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C. has approximately 92 employees as of August 2026. These team members are located across 2 continents, including North America and Europe.

Who are O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C.'s key employees and leadership?

As of August 2026, O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C.'s key employees include:

Office Manager: J. S.
Erisa/Employee Benefits & Compensation Attorney: K. K.
Accounts Payable: B. R.
Accounting Associate: C. F.
Legal Assistant: D. J.

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O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C. Employee Directory

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