A criminal charge doesn’t have to define your life—but what you do next matters. Don’t face the legal system alone. At Colbath & Sperlich, we’re here to stand between you and the prosecution with professionalism, determination, and a firm belief in your right to a fair defense.
We bring over 40 years of combined experience to the defense of individuals across Rapid City and Western South Dakota. Whether you’re accused of a misdemeanor or a serious felony, we fight with tenacity, strategy, and a deep respect for your rights.
Even minor charges can carry serious consequences—our team defends your record and your rights.
We provide aggressive defense for the most serious charges when your future is on the line.
We protect young clients with focused representation that prioritizes both justice and opportunity.
Whether you’re seeking or fighting an order, we defend your rights with clarity and discretion.
We’ve handled complex cases in state and federal court with proven courtroom results.
We know South Dakota’s legal system—and how to navigate it effectively for our clients.
We offer emergency visits and stay available when timing matters most.
We take time to understand your case and build a defense strategy around you.
Yes—even minor charges can impact your record, job, and future. A lawyer can help minimize or avoid consequences.
Not always. Many cases are resolved through negotiations, but we prepare every case as if it’s going to trial.
Misdemeanors are less serious and carry shorter jail time, while felonies involve harsher penalties and long-term consequences.
Yes, depending on the facts of the case. An experienced defense attorney can negotiate with prosecutors or challenge the evidence.
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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