About Us

As one of the oldest continuously operated law firms in the state of Wisconsin, Dempsey Law Firm, LLP,  has a proven track record of success. Since 1849, Dempsey has provided high-quality legal services at fair prices, while looking toward the future. 

After more than a century in Oshkosh, Dempsey Law Firm is now located in five different cities throughout Wisconsin by undergoing strategic mergers with numerous well-established and respected Wisconsin law firms. 

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175 YEARS OF EXPERTISE

Serving clients throughout Wisconsin, our legal team offers a small-town touch with a big-city feel. With expertise in banking and finance law, business law, municipal law, estate planning, business succession planning, construction law, real estate law, civil litigation, and more, we’re here to help you with a variety of legal needs.

Our Wisconsin Law Firm Locations

Meet Our Experienced Wisconsin Attorneys

Meet our Wisconsin attorneys at Dempsey Law—a dedicated legal team committed to providing trusted, results-driven legal counsel across a wide range of practice areas. Our experienced attorneys are passionate about protecting your rights and delivering the personalized service you deserve. From estate planning and commercial real estate to municipalities and corporate law, we bring local insight and integrity to every case.

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Our Legal Services

Banking & Finance Law

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Financial law can be complex. With changes in regulatory compliance, lending, collections, and documentation, we’ll help financial institutions navigate the ever-changing financial landscape.

Business Succession Planning

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Business transitions are never easy, but they’re necessary. We work with businesses to develop smooth succession plans that minimize disruption and ensure satisfaction for all parties.

Construction Law

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Navigate the complexities of construction law with confidence with the help of our experienced Wisconsin attorneys. We represent businesses and professionals with contracts, disputes, and risk management throughout the construction process.

Corporate Law

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From startups to established Wisconsin-based companies, we offer proactive legal support for every stage of business. Including contract development, federal and state compliance, and everything in between.

Estate Planning

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Our Wisconsin attorneys can help you draft wills, trusts, and other essential documents to ensure your legacy is honored today and in the future.

Litigation

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When legal disputes arise, you need experienced advocates on your side. Our litigation team represents a range of complex issues. We’re here to protect your interests and pursue practical, effective resolutions in the courtroom.

Municipal Law

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We work with municipalities around Wisconsin to provide full service general counsel representation and to work on special projects.

Real Estate Law

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Our law firm provides strategic legal guidance to protect your real estate.

Trust/Estate Administration & Probate

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Our Wisconsin attorneys support families and personal representatives/trustees during a difficult time, managing estate and trust administration with care and clarity. From probate filings to asset distribution, we guide you through every step.

How Can We Help You?

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Disclaimer: Sending us an email correspondence and the information within does not create an attorney-client relationship between us. If you are not already a client, you should not provide us with information without first speaking to one of our lawyers. If you provide information before we confirm that we are willing and able to consult with you about becoming a client, we may not be able to treat that information as privileged, confidential, or protected information, and we may be able to represent a party adverse to you even if the information you submit to us could be used against you.