Practice Areas
The ways we can help you
Business Law
The right legal counsel can make or break your business.
Civil Litigation
Conflict requires thoughtful representation.
Estate Planning and Trust Administration
Planning for the future requires care, foresight, and the right legal guidance.
Government Relations
Navigating the intersection of law, policy, and regulation requires strategic insight and trusted advocacy.
What Our Clients Say
Our focus is our clients. To best serve you, our team pays attention to the details. We continually develop new resources and technology. Also, our firm never loses sight of the importance of customer service.
Our Attorneys
Our Team of skilled and seasoned advocates and handles a broad range of work related litigation & business law. We can stand up for justice on your behalf today.

Jennifer E. Bunkers
Partner

Alexander C. Ellman
Partner

Matt McCaulley
Partner

Lisa M. Prostrollo
Partner
About Us
Redstone Law Firm LLP is recognized for providing trusted legal services in the areas of Business Law, Estate Planning, Trust and Estate Administration, Government Relations, and Civil Litigation / Dispute Resolution.
Our firm includes nine experienced attorneys — Vance Goldammer, Jim McMahon, Matt McCaulley, Lisa Prostrollo, Alex Ellman, Jennifer Bunkers, Christopher Sommers, Chelsea Schmidt, and Zach Schmidt — with more than 180 years of combined legal experience. Together with our skilled professional staff, we are proud to be regarded as one of South Dakota’s top-rated law firms. Clients rely on our depth of experience and practical insight to receive sound advice and effective representation.
Redstone Law Firm LLP ’s primary office is located in south-central Sioux Falls, SD, conveniently near I-229 on 57th Street, with a second location in Pierre, SD, across from the Capitol building. Our firm’s roots trace back to some of the earliest lawyers in Sioux Falls, and our continued dedication to hard work, good judgment, collaboration, and continuous improvement remains at the heart of what we do.
When it comes to life’s important moments, we sweat the small stuff so you don’t have to. Our focus is always on the client — paying attention to the details, using innovative resources and technology, and delivering the highest standard of service. Legal matters can be stressful, but at Redstone Law Firm, you’ll be treated with integrity, respect, and care.
Schedule your consultation today and let our experience work for you.
About Us
Redstone Law Firm LLP is recognized for providing trusted legal services in the areas of Business Law, Estate Planning, Trust and Estate Administration, Government Relations, and Civil Litigation / Dispute Resolution.
Our firm includes nine experienced attorneys — Vance Goldammer, Jim McMahon, Matt McCaulley, Lisa Prostrollo, Alex Ellman, Jennifer Bunkers, Christopher Sommers, Chelsea Schmidt, and Zach Schmidt — with more than 180 years of combined legal experience. Together with our skilled professional staff, we are proud to be regarded as one of South Dakota’s top-rated law firms. Clients rely on our depth of experience and practical insight to receive sound advice and effective representation.
Redstone Law Firm LLP ’s primary office is located in south-central Sioux Falls, SD, conveniently near I-229 on 57th Street, with a second location in Pierre, SD, across from the Capitol building. Our firm’s roots trace back to some of the earliest lawyers in Sioux Falls, and our continued dedication to hard work, good judgment, collaboration, and continuous improvement remains at the heart of what we do.
When it comes to life’s important moments, we sweat the small stuff so you don’t have to. Our focus is always on the client — paying attention to the details, using innovative resources and technology, and delivering the highest standard of service. Legal matters can be stressful, but at Redstone Law Firm, you’ll be treated with integrity, respect, and care.
Schedule your consultation today and let our experience work for you.





