Best Foreign Qualification

Best Foreign Qualification › South Dakota

Best foreign qualification services in South Dakota

Our top pick in South Dakota is Mainstay Filing: $199 plus the $750 state fee, $949 in all.

Best 3 Foreign Registration Services in South Dakota (2026)

1. Mainstay Filing

$199 + $750 state fee = $949

Registered agent free for the first year, then $149 a year.

2. SD Registered Agent.org

$199 + $750 state fee = $949

Registered agent included for the first year, then $99 a year.

3. South Dakota Registered Agent.co

$199 + $750 state fee = $949

Registered agent included for the first year, then $99 a year.

Service prices read from each provider’s South Dakota page on October 28, 2026. The state fee is the official figure below and is paid to the South Dakota Secretary of State.

What you get, side by side

ServiceYear 1Agent, year 1Agent after3 years of service + agent
Mainstay Filing$949Free$149/yr$497
SD Registered Agent.org$949Included$99/yr$397
South Dakota Registered Agent.co$949Included$99/yr$397

The 3-year column adds each service’s agent price for years 2 and 3 to its $199 fee; state fees and South Dakota’s yearly filing are the same whichever you choose.

The South Dakota filing

Form
Application for Certificate of Authority, Foreign Limited Liability Company
State fee
$750
From your home state
Certificate of Existence
Every year after
Annual report (South Dakota Secretary of State), $55 (due: 1st of the anniversary month)

Questions

What is the best foreign qualification service in South Dakota?

Mainstay Filing: $199 plus the $750 state fee, with a South Dakota registered agent free for the first year.

How much is the South Dakota state fee?

$750.

What do I file in South Dakota?

Application for Certificate of Authority, Foreign Limited Liability Company, with the South Dakota Secretary of State, plus a certificate from your home state.

Sources