Casey Peterson, LTD

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Casey Peterson, LTD We're a full-service certified public accounting firm focused on providing a world-class experience.

Casey Peterson, LTD is a certified public accounting firm helping businesses and individuals with their financial needs since 1977. We're committed to providing clients with outstanding service that exceeds their expectations. That's why we've grown to almost 100 employees in South Dakota, Nebraska, and Wyoming.

A fun event to add to your holiday calendar!
11/03/2026

A fun event to add to your holiday calendar!

❄️ Join us for our annual Winter Wonderland Community Event! 🎄

đź“… Thursday, December 10th
⏰ 5:00 – 8:00 PM
📍 The Box Elder Events Center

Stop by anytime between 5:00 and 8:00 PM and stay as long as you’d like! Get your picture with Santa 🎅, stroll through the festive Parade of Trees, and enjoy plenty of family-friendly activities for everyone.

✨Come celebrate the season with us - we can’t wait to see you there!

Huge Holiday Thank You to our event sponsors: Black Hills Energy Texas Roadhouse Monument Health WagCo Construction Casey Peterson, LTD West River Electric Association

10/30/2026

PBJ may sound like lunch, but for nursing homes, Payroll-Based Journal reporting can have serious consequences. Link in the comments to learn more!

Help us welcome the newest member of our Admin team in our Rapid City office, Heidi Dehn! Link to the answers to 10-ish ...
10/28/2026

Help us welcome the newest member of our Admin team in our Rapid City office, Heidi Dehn! Link to the answers to 10-ish questions in the comments.

10/23/2026

Send us your stuff!

If we prep your 1099s, please review your vendor info now and send it to your CPA or accountant before Dec. 11. Link in ...
10/22/2026

If we prep your 1099s, please review your vendor info now and send it to your CPA or accountant before Dec. 11. Link in the comments with instructions. Thanks for helping us stay on top of filing season!

10/15/2026

Thanks to the University of South Dakota's Beta Alpha Psi students for hanging out with us and touring the firm during your recent trip to the Black Hills. We hope you have a great rest of your semester, and good luck with your studies!

Before an IRS notice makes you panic or pay, take a closer look. Link in the comments for what to do.
10/14/2026

Before an IRS notice makes you panic or pay, take a closer look. Link in the comments for what to do.

10/09/2026

Our founder, Casey Peterson, recently received the University of South Dakota's 2026 Alumni Achievement Award for Public Service.

The award recognizes a career and life shaped by service. For nearly five decades, Casey has contributed his time and leadership to economic development, health care, education, science, philanthropy, youth programs, and community development across South Dakota.

Congrats on your well-deserved award, Casey!

Why we're not going the route of private equity. Link in the comments.
10/08/2026

Why we're not going the route of private equity. Link in the comments.

10/08/2026

Every barrel run, every payout, and every great weekend starts with incredible sponsors.
A big thank you to Casey Peterson, LTD for being part of the ARP Fall Fling! Your support helps make this event possible, and we're proud to have you on our team.
đź’™ Thank you for investing in the sport of barrel racing!

Address

909 Saint Joseph Street, Suite 101
Rapid City, SD
57701

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