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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.

Find O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C. employees' phone numbers or email addresses

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

Location
Employees

North America
109

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  • United States Of America
    109

Europe
1

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  • Spain
    1

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

  • Office Manager at O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C.
    J. S.
    Office Manager
    Mobile Phone
  • Erisa/Employee Benefits & Compensation Attorney at O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C.
    K. K.
    Erisa/Employee Benefits & Compensation Attorney
    Mobile Phone
  • Accounts Payable at O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C.
    B. R.
    Accounts Payable
    Mobile Phone
  • Accounting Associate at O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C.
    C. F.
    Accounting Associate
    Mobile Phone
  • Legal Assistant at O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C.
    D. J.
    Legal Assistant
    Mobile Phone
  • Shareholder And Litigation Practice Group Chair at O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C.
    G. W.
    Shareholder And Litigation Practice Group Chair
    Mobile Phone
  • Attorney At Law at O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C.
    J. B.
    Attorney At Law
    Mobile Phone
  • Shareholder at O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C.
    J. V.
    Shareholder
    Mobile Phone

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
  • Associate at O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C.
    M. B.
    Associate
    Mobile Phone
    Oct 21, 2024
  • Attorney at O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C.
    S. A.
    Attorney
    Mobile Phone
    Oct 23, 2024
  • Paralegal at O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C.
    H. R.
    Paralegal
    Mobile Phone
    Jan 07, 2026

Frequently Asked Questions

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

Minus sign iconPlus sign iconO'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?

Minus sign iconPlus sign iconO'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?

Minus sign iconPlus sign iconO'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?

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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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