Our Company

Casey Peterson, Ltd. CPAs and Financial Advisors


At Casey Peterson, Ltd., we are committed to providing quality services that exceed all expectations. It begins with our team of qualified individuals and the core values we share as a firm. The size of Casey Peterson, Ltd. allows us to build individual relationships. At the same time, we are large enough to help a wide variety of clients in achieving their individual goals.

The professional CPAs, accountants, and financial experts at Casey Peterson, Ltd. believe we should do more than just provide a professional service. We think it’s our duty to be good neighbors and to have a positive impact on the communities where we live and work.

Our mission

“To serve” is to be an advantage to someone, and “to provide” is to make the power of professional service readily available. For over 40 years, our goal has been to provide professional quality service to our Rapid City and Gillette accounting firm clients while maintaining prompt, personal attention.

Casey Peterson all staff

Our Core Values

  • Casey Peterson, Ltd. will continue its proud tradition of providing our team and clients with a stable environment that embraces the highest standard of ethics, integrity, and respect. We want to be your trusted advisor.
  • As trusted advisors, we will provide comprehensive, knowledgeable, and confidential services to solve problems for a changing world in an innovative manner for our clients, our community, and ourselves.
  • Casey Peterson, Ltd. will be a loyal advocate for our clients and will work as a team in order to better serve them and help them to develop both personally and professionally. Thereby, we’re always striving to strengthen these relationships that mean so much to our success.
  • We will continue to maintain a balance between responsibilities for our clients and the individual responsibilities we honor for our families.

The CP Way

Our people are what make up the heart of Casey Peterson, Ltd. Our CPAs, accountants, advisors, and shareholders have the highest levels of integrity, education, and certification. We exhibit extraordinary levels of professionalism and personally strive to live balanced lives with meaning and purpose.

Meet the individuals of Casey Peterson, Ltd.

Want to join our family? Check out our career opportunities.

Submit A Request For Services

We'd love to get you connected with our team about any of CP's services using our online form.


Contact Us

We’re looking for clients who believe in good customer service. Clients who want CPAs, accountants, and financial advisors who are big picture thinkers and ethical problem solvers. We’re looking for relationships, not transactions.

If you want the same, we should talk. Let's get in touch.

Contact Us