Insights

Strategic Growth Growing litigation and estates planning practice groups with multiple recent hires signals ongoing expansion and potential for fee growth, cross-sell opportunities across corporate, real estate, and personal law services, and demand for technology that supports collaboration and case management.

Regional Reputation Recognition in Best Law Firms 2026 across 18 practice areas creates credibility with mid-market clients seeking trusted regional counsel, presenting a chance to position services around practical business guidance and succession planning.

Cross‑Service Needs Full-service offering from business to personal legal needs presents opportunities to upsell bundled services such as tax planning, estate planning, family law, and litigation to existing business clients, as well as to attract families of business owners.

Digital Footprint Active presence with WordPress, Shopify, UserWay, Google Analytics and Microsoft 365 suggests readiness for targeted digital outreach, content marketing, and client portals to improve lead generation, client onboarding, and matter management.

Talent Pipeline Frequent attorney additions indicate a dynamic hiring strategy and potential for partner-level advisory services, training, and knowledge management needs, offering opportunities for legal tech onboarding, practice management tools, and client experience enhancements.

Similar companies to O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C.

O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C. Tech Stack

O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C. uses 8 technology products and services including UserWay, WordPress, Shopify, and more. Explore O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C.'s tech stack below.

O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C.'s Email Address Formats

O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C. uses at least 4 email formats:
O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C. Email FormatsExamplePercentage
First.Last@wilaw.comJohn.Doe@wilaw.com
76%
Last@wilaw.comDoe@wilaw.com
21%
F.Last@wilaw.comJ.Doe@wilaw.com
2%
First.Middle@wilaw.comJohn.Michael@wilaw.com
1%

Frequently Asked Questions

What is O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C.'s phone number?

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You can contact O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C.'s main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C.'s official website and social media links?

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O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C.'s official website is wilaw.com and has social profiles on LinkedIn.

How much revenue does O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C. generate?

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As of August 2026, O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C.'s annual revenue is estimated to be $25M - $50M.

What is O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C.'s SIC code and NAICS code?

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O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C.'s SIC code is 8111 - Legal Services and NAICS code is 54111 - Offices of Lawyers.

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

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As of August 2026, O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C. has approximately 92 employees across 2 continents, including North America and Europe. Key team members include Office Manager: J. S., Erisa/Employee Benefits & Compensation Attorney: K. K. and Accounts Payable: B. R. Explore O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C.'s employee directory with LeadIQ.

What industry does O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C. belong to?

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O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C. operates in the Law Practice industry.

What technology does O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C. use?

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O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C.'s tech stack includes UserWay, WordPress, Shopify, Microsoft 365, PayPal, Venmo, Adobe Creative Suite and Google Analytics.

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

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O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C.'s email format typically follows the pattern of First.Last@wilaw.com. Find more O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C. email formats with LeadIQ.

When was O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C. founded?

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O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C. was founded in 1973.
O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C. logo

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

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.

Section iconCompany Overview

Phone number
Website
wilaw.com
SIC Code
8111 - Legal Services
NAICS Code
54111 - Offices of Lawyers
Founded
1973
Employees
51-200

Section iconFunding & Financials

  • $25M - $50M

    O'NEIL, CANNON, HOLLMAN, DEJONG & LAING S.C.'s revenue is estimated to be in the range of $25M - $50M

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