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We reviewed 50 firms in South Dakota: 15 met the listing bar and 11 reached 70% evidence coverage, too few on any one list to rank it yet.
Start with the Sioux Falls metro page, the only one in South Dakota, which lists 9 firms but doesn't have enough third-party evidence to rank yet, so it compares firms without an order. 6 more firms outside that metro are listed below.
Outside the metro pages: 30 profiles reviewed, 6 met the listing bar, 4 scored (evidence coverage of 70% or more).
How this list is built: Methodology · Disclosures · About · Report a correction
9 bookkeeping firms in the Sioux Falls area, checked against their own sites and public records: none publishes a price, and QuickBooks is the software named most. No stars, no paid ranks.
Check a South Dakota bookkeeper before you hire: the South Dakota board of accountancy lookup, the state business search, and what 15 South Dakota firms put in writing about fees and reporting.
Firms outside the market pages that met the listing bar. A town gets its own page once it has 8 listed firms.
| Firm | Where | Services documented | Software | Pricing | Credentials verified | Coverage | Evidence Score |
|---|---|---|---|---|---|---|---|
| Henjes, Conner & Williams, PC Says it serves: construction, real estate, manufacturing, medical | Dakota Dunes, SD | payroll coordination, month-end close | Not verified | Not verified | Active CPA firm or individual license | 75% | 23 |
| Hernandez Tax Service LLC | Brookings, SD | Not verified | Not verified | Not verified | Not verified | 13% | Not scored |
| Klabo Brown | Aberdeen, SD | payroll coordination, month-end close | QuickBooks | Not verified | Not verified | 71% | 23 |
| TruCount CPA PC Says it serves: agriculture | Brookings, SD | payroll coordination | Not verified | Not verified | Active CPA firm or individual license | 75% | 22 |
| Verity Group | North Sioux City, SD | AP/AR, payroll coordination, month-end close | QuickBooks Online, QuickBooks Desktop | Not verified | Not verified | 69% | Not scored |
| William Neale & Co PC | Watertown, SD | payroll coordination | Not verified | Not verified | Active CPA firm or individual license | 72% | 12 |
Across all 15 firms we list in South Dakota, none publish a price or a starting price and 14 say nothing about fees. The share publishing, 0%, compares with 10% nationally.
South Dakota publishes records we can match, so we could check every firm we list in South Dakota against them: 6 firms with an active CPA license or permit on South Dakota's published register. The CPA records we matched belong to Henjes, Conner & Williams, PC, TruCount CPA PC, William Neale & Co PC and Dakota CPA. Each profile shows the license or permit number and the date we checked.
General information, not tax advice. Which of these reach your business depends on its entity type, what it sells, whether it has employees and the schedule each agency assigns. Your bookkeeper keeps the records; you, or whoever your engagement letter names, file. Checked on the linked official pages on September 26, 2026.
Dates are when we checked. Report an error.