Wenner Law 573-468-5690 mmw234@wennerlaw.com
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Wenner Law

Located in Sullivan, Missouri, Wenner Law specializes in estate planning, wills and trusts, and probate law.

Our Story


Since being licensed in 1969, Mark Wenner has been dedicated to excellence. Starting in St. Louis County, Mark served as an administrative aide to county supervisor Lawrence K Roos for two years before making a change to private practice. In 1971 Mark went to Flynn, Parker, and Baddaracco before becoming a sole practitioner in 1979. In 2014 Mark moved his practice to Sullivan, Missouri area where he provides legal services in Probate and Trust Law.

Our Mission

A comprehensive estate plan can help you make sure your final wishes will be followed correctly, and it can also ensure that you and your family will have the resources you need throughout your lifetime. Planning for financial security for yourself and for your family can be overwhelming without the assistance of an experienced estate planning attorney. You may wonder how to divide your assets, what trust will best suit your needs, or whether or not you should assign a power of attorney should you become debilitated. When clients engage in Wenner Law, they know they are in the hands of an attorney who is a reliable counselor, knowledgeable risk assessor, zealous advocate, and prudent business person.

Our Services

Last Will and Testament

Ensure your assets are passed over to the right hands with Wenner Law.

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Revocable Trust

Avoid probate and ensure that your beneficiary gets your assets with a revocable trust.

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Healthcare Power of Attorney

Get the right person to make medical decisions on your behalf.

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Durable Financial Power of Attorney

Secure your finances by getting the right person to manage them for you.

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Probate Administration

Make sure your assets are managed and distributed according to your wishes.

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Trust Litigation

We will ensure all disputes regarding your trust are settled fairly.

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Why Choose Us

Creating a last will can be an emotionally taxing experience. We are here to help make the process simple and easy for you. Wenner Law is home to experienced professionals who are friendly and transparent to our clients. We understand the complications in your property beforehand to avoid problems in the future.

Get in touch with us today to learn more about how we can help you.

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