Over 20 Years as a Firm, 180+ Years of Combined Legal Experience.

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Practice Areas

The ways we can help you

Business Law Icon

Business Law

The right legal counsel can make or break your business.

Civil Litigation Icon

Civil Litigation

Conflict requires thoughtful representation.

Wills & Trusts Icon

Estate Planning and Trust Administration

Planning for the future requires care, foresight, and the right legal guidance.

Government Relations Icon

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.

“I’m beyond pleased with my experience with Redstone law firm! These attorneys are some of the best detail-oriented and knowledgeable business and estate planning attorneys I’ve ever met! I would recommend Redstone law firm to anyone who is in need of qualified and honest attorneys for personal and business needs. The Redstone law firm team were always available to me throughout the process and they kept me informed at every turn. I cannot think this firm enough for their efforts on my behalf.”

Alexander Tysdal

“Lisa and her Staff at Redstone Law Firm are Professional yet friendly, knowledgeable and responsive. They explain things, such processes and procedures, and at a level you’d be able to understand easily.
I used Lisa and Redstone about a year and a half ago to assist in helping me setup my LLC, as well as Estate Planning. Great Job Redstone Law Firm & thank you”

Arden Yee

“I highly recommend Redstone Law Firm. I recently have worked with Redstone to get my family Will in order. They are extremely educational and easy to work with. I could not be any happier with our experience. I will definitely continue to work with and refer Redstone in the future to family and friends.”

Kelly Meeker

“Alex Ellman was so thorough with our estate plan. He explains everything so well. My mind is at ease knowing that my estate plan is strategic, organized and well thought out. He makes the uncomfortable topics to talk about comfortable. I would highly recommend Alex Ellman at Redstone Law Firm.”

Nicholas Seliski

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

Redstone Background

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.

Wooden gavel, scales of justice and books on table. Law concept
Redstone Background

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.

Need a Lawyer? Get a consultation

No matter your legal need, our staff can help. You’ll receive legal expertise that’s professional and personal. Contact us today to schedule your consultation.