Finding the right CPA in Rapid City, South Dakota can make a real difference for your business or personal finances. Whether you’re a small business owner navigating South Dakota’s tax requirements, a startup founder managing equity and growth expenses, or an individual with complex investments, a local CPA who understands the Rapid City market is a significant asset.
We reviewed dozens of CPA firms operating in Rapid City, SD, weighing Google ratings, verified client reviews, professional credentials, and areas of specialization. The six firms below represent the strongest options across a range of client needs and neighborhoods.
Best 6 CPAs in Rapid City, SD
#1
Showalter & Co CPA of Rapid City, SD
5.0
(30 reviews)
📍 2040 W Main St Suite #207, Rapid City, SD 57702
📞 (605) 646-3585
Accounting
Tax Consulting
Tax Prep
#2
Don's Tax Service
4.8
(49 reviews)
📍 2710 W Main St, Rapid City, SD 57702
📞 (605) 343-1520
Bookkeeping
Accounting
Tax Prep
#3
Ashland CPA Advisors, PC
4.6
(5 reviews)
📍 2710 W Main St, Rapid City, SD 57702
📞 (605) 348-5333
#4
R&R Accounting & Tax
5.0
(16 reviews)
📍 1719 W Main St, Rapid City, SD 57702
📞 (605) 646-1040
Bookkeeping
Tax Consulting
#5
Ketel Thorstenson, LLP
4.6
(18 reviews)
📍 810 Quincy St, Rapid City, SD 57701
📞 (605) 342-5630
Bookkeeping
Payroll
Tax Prep
#6
Casey Peterson, LTD
4.3
(10 reviews)
📍 909 St Joseph St STE 101, Rapid City, SD 57701
📞 (605) 348-1930
Accounting
Bookkeeping
Financial Planning
Tax Prep
How We Selected the Best CPAs in Rapid City
Our selection process is based on publicly available data and client feedback — not paid placements or advertising arrangements. Every firm on this list earned its spot.
- Google Rating & Review Volume — We prioritized firms with consistently high ratings and a meaningful number of verified client reviews.
- Active South Dakota CPA License — We verified that firms hold or employ CPAs with current licenses issued by the South Dakota Board of Accountancy.
- Demonstrated Specialization — We favored firms with clear expertise in areas like small business tax, real estate, nonprofits, or high-net-worth individuals.
- Local Presence — We weighted firms with an established physical presence in Rapid City over virtual-only providers.
- Responsive Communication — We weighted firms with accessible contact information and responsive client service based on review patterns.
Frequently Asked Questions
Common questions about hiring a CPA in Rapid City, SD
How much does a CPA cost in Rapid City?
CPA fees in Rapid City vary depending on service type and firm size. Individual tax return preparation typically runs $300–$800, while small business accounting packages range from $500–$2,500 per month. Complex services like estate planning, audit representation, or CFO advisory can run significantly higher. Always request a written engagement letter with a clear fee schedule before committing.
What’s the difference between a CPA and a regular accountant in South Dakota?
In South Dakota, a CPA (Certified Public Accountant) has passed the Uniform CPA Examination, met education and experience requirements, and holds an active license from the South Dakota Board of Accountancy. A general accountant has no such licensure requirement. CPAs can represent you before the IRS, provide audit opinions, and sign off on financial statements — services that unlicensed accountants cannot legally offer.
When should I hire a CPA instead of doing my own taxes in Rapid City?
Consider hiring a Rapid City CPA if you own a business, are self-employed, have multiple income streams, own rental property, went through a major life event (divorce, inheritance, sale of a business), or owe back taxes. A CPA typically pays for themselves through deductions and tax strategies that software misses — and provides peace of mind that your filing is defensible if audited.
What should I ask a CPA before hiring them in Rapid City, SD?
Before hiring a CPA in Rapid City, SD, ask: Do you have experience with clients in my industry? Who will actually handle my account — you or a junior staff member? How do you charge (hourly, flat fee, or retainer)? How do you prefer to communicate and what’s your typical response time? Have you handled IRS audits or tax disputes? A good CPA will answer these questions readily and without hesitation.
Can a CPA in Rapid City help with both business and personal taxes?
Yes — many CPAs in Rapid City offer bundled services covering both your business entity (LLC, S-Corp, partnership) and your personal return. This is especially valuable for small business owners, since your business and personal tax situations are deeply intertwined. Having one CPA handle both reduces errors, eliminates coordination gaps, and often results in better overall tax planning.