Mackall, Crounse & Moore, PLC has joined Dewitt Ross & Stevens S.C.

The newly formed DeWitt Mackall Crounse & Moore S.C. will provide clients with enhanced legal services
and efficiencies as well as access to more than 100 attorneys practicing in nearly 30 areas of
law in Wisconsin and Minnesota.

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Bryan C. Esch

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Debra S. O'Brien

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Bryan acts as a trusted advisor to business owners, companies, and families, handling a full range of legal issues. From negotiations to contracts to business transactions, Bryan employs a responsive and creative approach to problem-solving for his clients’ legal needs. He takes the time to learn his clients’ businesses and personal situations in order to tailor his legal services to each client’s unique circumstances. Bryan has significant experience dealing with family business matters and frac sand mining. Bryan serves as Chair of the Firm’s Business Practice Group.


Bryan represents businesses and individuals in matters involving business law, mergers, acquisitions, contracts and licensing, real estate, family business and succession planning, agri-business, mining, frac sand, financing, and estate planning and probate. He advises clients of all sizes from individuals and start-ups to regional and multi-national corporations.

Some of his clients include: Unlimited Renewables, LLC, an organic fertilizer manufacturer; Bank of Cashton, Murphy Oil USA, Inc.; and Calumet Superior.

Client Recommendations

“A trusted business advisor, Bryan remains an integral part of our decision making process on a variety of fronts including, finance, real estate, and overall business strategy. His work ethic and prompt involvement makes his work an essential part of what we accomplish.” – Scot Wall, President, Bank of Cashton

“I have been very fortunate in my business career during the last decade to work with an attorney as knowledgeable, responsive and diligent as Bryan Esch of Dewitt. I can honestly say that the two main business deals that have been critical to the success of our business over the past several years would not have happened without Bryan’s insight and persistence. That is not an overstatement. Bryan has consistently provided sound legal expertise and pragmatic decision making assistance throughout our time working with him. Additionally, he is consistently available to our business on a variety of legal matters including contract work, business transactions and industry regulations. What I believe sets Bryan apart from other attorneys is the fact that he is extraordinarily responsive when legal assistance or documentation is called for. I have consistently heard from those with whom I do business how quickly, consistently and effectively my attorney responds to matters at hand. It is comforting and helpful to work with an attorney who acts on our behalf as if he has a personal stake in our matters. I look forward to working with him as our business continues to grow in the years ahead.” – John Weiss, Owner of Kettle Moraine Egg Ranch

Notable Representations

  • Business entity formation.

  • General legal and real estate representation for numerous emerging and established business entities in the renewable energy, agri-business, mining, transportation, manufacturing, e-commerce, and distribution fields.

  • Representation of clients in sales, acquisitions, or mergers of closely-held and family-owned businesses.

  • Representation of an international food manufacturer in a major corporate reorganization.

  • Representation of clients in private placement transactions, and drafting business partnering and development agreements and various e-commerce and licensing agreements for renewable energy, software, biotech, e-commerce, and other high-tech clients. Works with individuals and clients to draft and administer estate plans, preserve​ family wealth and protect clients’ goals and desires.

  • Representation of companies, landowners and others on issues related to the acquisition, mining, processing and transportation of frac sand (proppant) and other minerals, including the negotiation and drafting of real estate and mineral leases, real estate options, royalty agreements and other business agreements.

  • Bryan represents farmers and companies in the dairy, poultry and cranberry industries. His agricultural law representation encompasses real estate, business organizations, and other general legal matters in the agricultural field.


Our Locations

We are currently limiting the amount of outside visitors to the firm.  

Please work directly with your attorney who will coordinate any onsite visits to ensure the safety of our clients and colleagues.


2 East Mifflin Street, Suite 600
Madison, WI 53703
(608) 255-8891
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Greater Milwaukee

13845 Bishop’s Drive, Suite 300
Brookfield, WI 53005
(262) 754-2840
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2100 AT&T Tower,
901 Marquette Avenue
Minneapolis, MN 55402
(612) 305-1400
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Get to know us

DeWitt LLP is one of the ten largest law firms based in Wisconsin, with an additional presence in Minnesota. It has nearly 140 attorneys practicing in Madison, Metropolitan Milwaukee and Minneapolis in over 30 legal practice areas, and has the experience to service clients of all scopes and sizes.

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We are an active and proud member of Lexwork International, an association of mid-sized independent law firms in major cities located throughout the Americas, Europe and Asia and an active member of SCG Legal, an association of more than 140 independent law firms serving businesses in all 50 state capitals and major commercial centers around the world.


Best Lawyers 2013 – 2020
Super Lawyers 2020
Compass Award 2012
Top 100 Lawyers: National Trial Lawyers Association Best in 2020


While we would like to hear from you, we cannot represent you until we know that doing so will not create a conflict of interest. Accordingly, please do not send us any information about any matter that may involve you until you receive a written statement from us that we represent you (an “engagement letter”). You will not be a client of the firm until you receive such an engagement letter.

The best way for you to initiate a possible representation is to call DeWitt LLP at 608-255-8891. We will make every effort to put you in touch with a lawyer suited to handle your matter. When you receive an engagement letter from one of our lawyers, you will be our client and we may exchange information freely.

Please click the “OK” button if you understand and accept the foregoing statement and wish to proceed.