About Us

About Colbath & Sperlich Attorneys at Law

Deep Roots. Proven Results. Relentless Advocacy.

Our Mission

To provide honest, skilled, and client-centered legal representation that protects rights and delivers real results for individuals and families across Western South Dakota.

Our Vision

To be Western South Dakota’s most trusted law firm, known for unwavering advocacy, local integrity, and a commitment to justice in every case.

Our Value

We believe every client deserves respect, straight answers, and relentless representation—no matter the case, no matter the circumstance.

Local Cases Defended
0 +

We Stand With You

A Law Firm You Can Rely On.

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.

Honest Guidance

We tell you the truth—about your rights, your risks, and your legal options. No false promises. No surprises.

Dedicated Support

From your first consultation to the final resolution of your case, we’re accessible, dependable, and prepared to act—especially in urgent situations.

Our benefits

Serving Western South Dakota with Integrity.

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.

Honest Counsel

We provide clear, straightforward legal advice built on truth, not tactics.

Local Commitment

As a Rapid City firm, we’re deeply invested in the people we serve.

Relentless Advocacy

We fight hard for every client, in and out of the courtroom.

Client Focused

Your needs guide every decision we make throughout your case.

Experience. Integrity. Results You Can Trust.

Meet Our Attorneys

Angela M. Colbath

Criminal Defense Attorney

Gregory J. Sperlich

Criminal Defense Lawyer

Kyle D. Beauchamp

Criminal Defense Attorney

Natalie Gronlund

Criminal Defense Attorney

Your Rights. Our Priority.

Expert Legal Advice When Needed Most.

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.

Misdemeanors

Protection Orders

Appeals

Felonies & Captial Offenses

Divorce & Seperation

Guardianship

Civil Litigation

Domestic Violence

Testimonials

Trusted feedback from satisfied clients

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.