To provide honest, skilled, and client-centered legal representation that protects rights and delivers real results for individuals and families across Western South Dakota.
To be Western South Dakota’s most trusted law firm, known for unwavering advocacy, local integrity, and a commitment to justice in every case.
We believe every client deserves respect, straight answers, and relentless representation—no matter the case, no matter the circumstance.
When you work with our law firm, you’re not just hiring attorneys—you’re gaining advocates who genuinely care about your outcome. We understand that legal problems are often life problems, and we take our responsibility seriously. Every case we take on receives the time, attention, and focus it deserves.
We tell you the truth—about your rights, your risks, and your legal options. No false promises. No surprises.
From your first consultation to the final resolution of your case, we’re accessible, dependable, and prepared to act—especially in urgent situations.
We focus on what matters most: defending your rights, protecting your future, and guiding you through difficult times with clarity and purpose.
Whether you’re facing criminal charges or navigating a family law matter, we approach every case with a deep sense of responsibility and a commitment to delivering real results.
We provide clear, straightforward legal advice built on truth, not tactics.
As a Rapid City firm, we’re deeply invested in the people we serve.
We fight hard for every client, in and out of the courtroom.
Your needs guide every decision we make throughout your case.
We’re honored to serve Rapid City and the greater Black Hills region with legal experience you can count on, and a commitment to justice that doesn’t waver. Whether you need strong defense, skilled negotiation, or trusted legal advice, we’re here to help you move forward with confidence.








EXCELLENT Based on 8 reviews Posted on Darci PrattTrustindex verifies that the original source of the review is Google. State had to dismiss charges!Posted on Elect Blake Joseph CampaignTrustindex verifies that the original source of the review is Google. Privileging experience from a critic who has multiple lawyers on different legal fronts, Greg Sperlich sticks out amongst the fray. With a a pragmatic knowledge in law, and most importantly practiced, Greg lays out the ethos and pathos of what it takes to be a litigator in the state of South Dakota. Straight shooter is a cliché when it comes to describing Greg however, if you look it up in the dictionary, there would be his law office and name in bold. Thank you for your professionalism and care on my legal matter. If you read the end, know having Greg represent me made all the difference in this case.Posted on Nicholas McMahanTrustindex verifies that the original source of the review is Google. Very kind and got some much needed guidancePosted on Robert FaulknerTrustindex verifies that the original source of the review is Google. Always great to work with. Cannot more highly recommend!Posted on Kayla SheesleyTrustindex verifies that the original source of the review is Google. Greg and Angie are two of the most amazing people you could ever ask for! They are willing to take on just about any problem and if they can’t solve it they will point you in the direction of someone who can! Highly recommend this law firm!
Disclaimer: Client testimonials and past results do not guarantee a similar outcome. Every case is different and must be evaluated on its own facts and circumstances.
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