Atty. JB Koenings

Atty. JB Koenings

JB leads O’Neil Cannon’s Business Law Practice Group and is a United States Air Force Veteran. He works with and advises clients on a wide range of business law matters, including form of entity selection and initial capitalization, raising funds through private equity offerings, securities compliance and broker/dealer matters, mergers and acquisitions, contract preparation and negotiation, and software, technology, and IP matters.

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Profile Summary

About JB Koenings at a glance

JB Koenings is a business attorney based in Milwaukee, Wisconsin, practicing at O'Neil, Cannon, Hollman, DeJong & Laing SC. Admitted to practice in Wisconsin, State Bar of Wisconsin. Educated at Marquette University (—, 2011) and United States Air Force Academy (—). Recognitions include Best Lawyers in America — Corporate Law (2026), Best Lawyers in America — Additional Areas of Practice: (2026), and Best Lawyers in America — Mergers and Acquisitions Law (2026). Serands clients in Milwaukee, WI and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

JB leads O’Neil Cannon’s Business Law Practice Group and is a United States Air Force Veteran. He works with and advises clients on a wide range of business law matters, including form of entity selection and initial capitalization, raising funds through private equity offerings, securities compliance and broker/dealer matters, mergers and acquisitions, contract preparation and negotiation, and software, technology, and IP matters.

JB Assists Clients With

  • Mergers, acquisitions, and recapitalizations of businesses
  • Private equity and venture capital financing
  • Private offerings of debt and equity securities
  • Employee equity compensation plans
  • Securities laws issues
  • Complex contractual matters and disputes
  • Software, technology, and data privacy/security matters
  • Intellectual property, proprietary rights, and confidentiality agreements
  • Shareholder, partner, and member agreements and disputes
  • Corporate governance matters
  • General business matters

    Experience/Representative Client Work

    JB’s start up clients have raised over $30,000,000 through private offerings.

  • Represents companies and founders raising debt and equity capital through private offerings and advises on Regulation D and other private securities offering exemptions at the state and federal levels
  • Regularly assists clients with choosing the right form of entity for their new venture
  • Advises clients on 1202 and qualified new business venture stock requirements and planning
  • Tailors his client’s governing documents to their equity and capitalization plan
  • Advises clients on equity and synthetic equity incentive compensation plans and the various tax and securities rules and regulations surrounding such plans
  • Represents investors evaluating an investment in a private company or fund offering

    JB represents Buyers and Sellers in Mergers and Acquisitions across the country.

  • Represents clients buying and selling businesses in all market sectors from software and technology to manufacturing and retail
  • Experienced in M&A deals of all sizes, ranging from small sole proprietorships to complex multi-national transactions involving both private and publicly held companies
  • Represents both minority and majority owners in sale proceedings and exits, including partial sales
  • Experienced in complex multi-state mergers and tax-based reorganizations in addition to equity and asset deals

    JB regularly advises clients on complex contracts including software, technology, and custom manufacturing agreements.

  • Represents software and technology clients with all forms of license agreements, development agreements, master services agreements, work-for hire agreements, and intellectual property protection agreements
  • Negotiates and advises on complex custom manufacturing agreements with large public and private companies
  • Experienced with joint ventures both as contractual arrangements and as new business formations

    JB offers advice on a multitude of general business matters.

  • Assists clients with entity formation and ongoing corporate governance matters
  • Experienced with creating multiple classes of equity in both corporations and LLCs
  • Drafts and negotiates buy-sell, voting, and other equity holder agreements such as shareholder agreements, partnership agreements, and operating agreements
  • Assists clients with resolving shareholder, partner, and member disputes

    Representative Client Work

    • Assists clients with entity formation and ongoing corporate governance matters
    • Represented local and regional founders, startups, emerging growth companies, and established businesses in raising funds through private offerings and in recapitalization projects ranging from under $1,000,000 to over $150,000,000.
    • Represented numerous local, regional, and national based businesses in acquisition and sale transactions ranging from under $1,000,000 to over $300,000,000.
    • Represented a regional Dental practice in an acquisition of its 7th practice location.
    • Represented a Family Office in a capital raise to purchase the business assets of a national online retailer of fitness equipment.
    • Represented two Wisconsin manufacturing companies in combined sale of the business assets of both entities to a private equity company.
    • Represented a local Dentist Practice in the sale of its business to a national Dental Services Organization.
    • Represented a local entrepreneur in acquiring several bars and restaurants via equity and asset transactions.
    • Represented a large privately held company in an acquisition of an industrial painting and supply company.
    • Represented a large regional dental service provider in its sale to a national dental service organization.
    • Represented a local plumbing company in an equity sale of the business to a key employee.
    • Represented a Wisconsin Community Bank in the sale of its wealth management division.
    • Represented an Insurance Technology Services Company in its sale to a national insurance broker.
    • Represented a Wisconsin marine supply company in an outside equity and recapitalization transaction.
    • Represented a Wisconsin dental practice in its sale to a national dental service organization.
    • Represented a holding company in the complex redemption of multiple shareholders.
    • Represented a Wisconsin CPA group in their formation and capitalization of a new business venture.
    • Represented a newly formed entity in its acquisition of a local metal fabrication and welding business.
    • Represented a key employee in their full acquisition, in an equity sale, of a regional commercial painting and flooring company.
    • Represented a national bovine genetics company in its Acquisition of a bovine genetics distributor.
    • Represented a group of founders in a startup recapitalization with a national private equity firm.
    • Represented a regional property management company in its acquisition of a local property management company.
    • Represented a website referral business in its sale to a national company.
    • Represented a regional endodontist practice in its sale to a national dental services organization.
    • Represented a refrigeration system design and consulting company in its sale to a regional corporation.
    • Represented an employee benefits company in the sale of its business via an equity sale to a national benefits firm.
    • Represented a regional controls and automation company in the acquisition of a Wisconsin controls and automation installation company.
    • Represented a Wisconsin engineering firm in its sale of business via an asset purchase transaction.
    • Represented a group of investors, buying a controlling interest in a regional controls and automation entity.

      Awards/Distinctions

      • Editor-in-Chief, Marquette Law Review
      • Selected for inclusion in The Best Lawyers in America® –Corporate Law, 2021–present
      • Selected for inclusion in 2020–2023 Wisconsin Super Lawyers Rising Stars, Law & Politics and Milwaukee Magazine

        Professional Associations & Affiliations

      • American Bar Association
      • State Bar of Wisconsin
      • Milwaukee Bar Association
      • Member, Association for Corporate Growth (AACG)
      • Meritas Lawyer Representative
      • United States District Court for the Eastern District of Wisconsin
      • United States District Court for the Western District of Wisconsin

        Community Involvement

      • Chairman, Ducks Unlimited Milwaukee Chapter
      • First Congregational Church of Wauwatosa

        Education

      • Marquette University Law School (J.D., magna cum laude)
      • United States Air Force Academy (B.S.)

        Military Service

      • Senior Intelligence Duty Officer, Air Force Southern Command, Combined Air Operations Center, June 2007-May 2008
      • Deployed Tactical Operations Center Chief, 64th Expeditionary Rescue Squadron, USAF, September 2006-January 2007
      • Chief of Intelligence, 55th Rescue Squadron, USAF, November 2005-June 2007
      • Deployed J2 Director of Intelligence, 716th Special Operations Group, USAF, June 2005-September 2005
      • Deployed Chief of Intelligence, 64th Expeditionary Rescue Squadron, USAF, October 2004-February 2005
      • Chief of Operations Intelligence, 563rd Operations Support Squadron, USAF, May 2004-October 2005

Practice Areas Explained

JB Koenings's Areas of Practice

Each practice area below reflects the types of cases JB Koenings handles, with a brief overview of what that area of law covers.

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

JB Koenings is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Wisconsin →

Jurisdictional Context

Why local counsel matters in Wisconsin

Practicing law in Wisconsin. Legal matters in Wisconsin are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Milwaukee are typically filed in the local municipal court or the appropriate Wisconsin state district court, depending on subject matter and amount in controversy. An attorney licensed in Wisconsin brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Wisconsin courts without local counsel or pro hac vice admission.

Looking for additional Wisconsin attorneys? Browse all attorneys in Milwaukee or all attorneys in Wisconsin.

Frequently Asked

Common questions about JB Koenings

Where is JB Koenings's law office located?
JB Koenings's law practice is located in Milwaukee, Wisconsin. The firm is O'Neil, Cannon, Hollman, DeJong & Laing SC. You can contact the office directly through this profile page.
What practice areas does JB Koenings handle?
JB Koenings focuses on business. Each practice area listed reflects experience handling cases of that type in Wisconsin.
Where did JB Koenings go to law school?
JB Koenings earned their education at (—, 2011); (—).
How can I contact JB Koenings for a consultation?
You can contact JB Koenings directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has JB Koenings received?
JB Koenings's notable recognition includes: Best Lawyers in America — Corporate Law; Best Lawyers in America — Additional Areas of Practice:; Best Lawyers in America — Mergers and Acquisitions Law; Best Lawyers in America — Securities / Capital Markets Law; Best Lawyers in America — Awards:.

Practice Areas

Education

Marquette University
- 2011
United States Air Force Academy
- In Progress

Awards

Best Lawyers in America — Corporate Law
- 2026
Best Lawyers in America — Additional Areas of Practice:
- 2026
Best Lawyers in America — Mergers and Acquisitions Law
- 2026
Best Lawyers in America — Securities / Capital Markets Law
- 2026
Best Lawyers in America — Awards:
- 2026
Best Lawyers in America — Editor-in-Chief, Marquette Law Review
- 2026
Best Lawyers in America — Selected for inclusion in The Best Lawyers in America –Corporate Law, 2021–2024
- 2026
Best Lawyers in America — Selected for inclusion in 2020–2023 Wisconsin Super Lawyers Rising Stars, Law & Politics and Milwaukee Magazine
- 2026

Bar Admissions

Wisconsin, State Bar of Wisconsin

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