Recognized in Best Lawyers since 2010 
Jim DeJong represents privately held businesses and their owners in Milwaukee, Wisconsin, and throughout a wide range of industries, including manufacturing, distribution, fintech, and professional services. His practice includes corporate law, mergers and acquisitions law, and securities and capital markets law.
Jim advises clients on significant business transactions, including the purchase and sale of businesses, mergers and acquisitions, shareholder and operating agreements, complex contractual matters, business succession planning, and day-to-day legal and operational issues. He also assists businesses with securities law matters, including private offerings of debt and equity securities, as well as corporate governance and compliance.
With more than 25 years of service as President and Managing Shareholder of O’Neil, Cannon, Hollman, DeJong & Laing SC, Jim understands the legal and practical considerations involved in operating a business. He works closely with clients to understand their organizations, objectives, and business priorities before developing clear, practical legal strategies.
Jim emphasizes long-term client relationships and provides legal guidance with efficiency, clarity, and sound judgment. Whether assisting with a business acquisition, preparing for a sale, addressing a corporate governance matter, or handling ongoing legal needs, Jim works to provide solutions aligned with each client’s goals.
Jim Assists Clients With
- mergers, business acquisitions and sales, and other significant corporate transactions;
- shareholder agreements, operating agreements, and related business arrangements;
- securities and capital markets matters, including private offerings of debt and equity securities;
- corporate governance, compliance, and operational matters; and
- business succession planning and day-to-day legal and business issues.
Recognized Practice Areas
- Corporate Law
- Mergers and Acquisitions Law
- Securities / Capital Markets Law
