3 Best LLC Services in South Dakota (2026): Fee Schedule
For LLC formation services in South Dakota, the 2026 schedules rank SD Registered Agent.org ($199), Mainstay Filing ($199) and South Dakota Registered Agent.co ($199), in that order. Over three years the schedules total $397 to $597. The $150 filing fee in South Dakota is identical on every one.
Prepared by the Agent Fee Tables editorial team ·
Schedules ordered by: Three-year charges (39%) and duties covered (31%) lead, followed by renewal charge, point of equal cost and fee disclosure. How we order
South Dakota charges at a glance
Government formation fee$150sdlegislature.gov {fee list dated October 2026}
Opening charges$199Service fees only
Three-year range$397 to $597Both renewals counted
Government charges, 3 years$260Filing, reports, any minimum tax
Point of equal costNot in ten yearsNo schedule overtakes another
South Dakota fee schedules
Columns give year one, the charge after that and the three-year total. Add South Dakota's $150 to whichever schedule you pick.
#Opening chargeRenewal chargeCharges, three years
1
1. SD Registered Agent.org: best for the smallest bill across three years
Leads the list
$199 plus the state's fee, then $99 yearly
Opening charge
$199
Charge from year two
$99/yr
Charges, three years
$397
SD Registered Agent.org has the best schedule in South Dakota: three years add up to $397 since the renewal charge is just $99.
Its three-year charges are below Mainstay Filing's, and charges carry 39% of the order.
Plan time for the annual report, which is not covered.
Three years of state charges come to the filing fee, the reports owed in years two and three, and a yearly minimum tax where the state levies one. Costs without a fixed amount, newspaper publication for example, are mentioned in the text and excluded from the sum.
How the order came out
Charges over three years put SD Registered Agent.org first. That measure is 39% of the order, and duties inside the charge, charge at renewal, point of equal cost and fee disclosure make up the rest.
Add up three years at SD Registered Agent.org and you reach $397, which beats Mainstay Filing by $200.
If you need the EIN application, the schedules cross in year 2, as Mainstay Filing moves past SD Registered Agent.org.
The South Dakota LLC filing fee and what the state requires, in its own words
$150 and the Articles of Organization, filed with the South Dakota Secretary of State, bring the company into existence. Every LLC must name a registered agent with an in-state street address.
Without hiring anyone you pay $260 in state fees across three years. The schedules show $397 to $597 more for a service.
South Dakota fee questions
What do LLC formation services charge in South Dakota?
$199 in year one across these schedules, plus the state's $150 filing fee.
What do these schedules add up to over three years?
Anywhere from $397 to $597 for three years of service.
How much does South Dakota bill to file an LLC?
$150 is due when you submit the Articles of Organization.
What does South Dakota bill each year after formation?
After formation, expect South Dakota to bill for the annual report each year at $55, due during the entity's anniversary month.
Does the charge include the EIN application?
Service by service: SD Registered Agent.org ($99), Mainstay Filing (included) and South Dakota Registered Agent.co ($99).
When does one schedule pass another in total charges?
Not in ten years: the order of running totals does not change.
Which LLC formation service is the best value in South Dakota?
By the five-part order the South Dakota schedules run SD Registered Agent.org, Mainstay Filing and South Dakota Registered Agent.co, led by SD Registered Agent.org on charges over three years.