South Dakota Secretary of State office — contact, fees, and licensing

Official Resource

The South Dakota Secretary of State handles all business entity registrations, annual reports, amendments, and certificates of existence. Online filings through SOSEnterprise are $15 cheaper than paper submissions for formation filings. Fee amounts in the table below are sourced from the live schedule at sdsos.gov, confirmed August 2026; verify all amounts before filing.

Updated August 2026

Office contact

Walk-in address: 500 East Capitol Avenue, Suite 112 (Business Services), Pierre, SD 57501-5070
Mailing address: Capitol Building, 500 East Capitol Avenue, Suite 204, Pierre, SD 57501-5070
Main phone: (605) 773-3537
Business filings phone: (605) 773-4845
Business filings email: corpinfo@state.sd.us
Office hours: Monday – Friday, 8:00 a.m. to 5:00 p.m. Central Time
SOSEnterprise portal: sosenterprise.sd.gov

Entity formation and filing fees

Online filings are $15 less than paper submissions for LLC and corporation formations. The amounts below are sourced from the live fee schedule at sdsos.gov — Filing Fees, confirmed August 2026. Verify current amounts before filing.

Filing	Fee (Online / Paper)
Domestic LLC — Articles of Organization	Online $150 / Paper $165
Domestic LLC — Annual Report (due 1st of anniversary month)	Online $55 / Paper $70
Domestic For-Profit Corporation — Articles of Incorporation	Online $150 / Paper $165
Domestic For-Profit Corporation — Annual Report	Online $55 / Paper $70
Domestic Nonprofit Corporation — Articles of Incorporation	$30
Domestic Nonprofit Corporation — Annual Report	$10
Late Annual Report penalty	+$55
Name Reservation	$25
Certificate of Existence	Online $20 / Paper $35
Expedited processing	+$50

Key South Dakota state licensing agencies

Agency	What it covers	Website
South Dakota Department of Revenue	Sales and use tax registration, withholding tax, business tax licensing	dor.sd.gov
South Dakota Department of Labor and Regulation	Unemployment insurance registration, employer accounts, professional licensing	dlr.sd.gov
South Dakota Contractors State License Board	Contractor licensing — electrical, plumbing, mechanical, general construction	dlr.sd.gov — Contractor Licensing

South Dakota Department of Revenue

What it covers: Sales and use tax registration, withholding tax, business tax licensing
Website: dor.sd.gov

South Dakota Department of Labor and Regulation

What it covers: Unemployment insurance registration, employer accounts, professional licensing
Website: dlr.sd.gov

South Dakota Contractors State License Board

What it covers: Contractor licensing — electrical, plumbing, mechanical, general construction
Website: dlr.sd.gov — Contractor Licensing

This guide is informational only and is not affiliated with the South Dakota Secretary of State's office or any state agency listed above. Contact information and fee amounts verified against official South Dakota Secretary of State sources, August 2026. Confirm current amounts at sdsos.gov — Filing Fees before filing. Verify current fees at the official state website. Last verified: August 2026.

← Back to all states