Contact — South Dakota Registered Agent.co
Professional registered agent service in South Dakota. $99/year — everything included, no hidden fees.
Get in Touch
Questions about service, compliance, or your account? Here is how to reach South Dakota Registered Agent.co.
support@southdakotaregisteredagent.co
We respond within one business day, usually faster.
Phone
(605) 550-7828
Monday through Friday, 9am to 5pm Central Time.
Office Address
4123 W 57th St Sioux Falls, SD 57108
Our physical South Dakota location where we accept service of process and official documents during business hours.
Hours
Monday through Friday, 9:00 AM to 5:00 PM CT
Already a Client?
Your document portal handles most routine tasks — downloading files, checking deadlines, updating your contact info. Log in there first before reaching out to support.
Ready to get started?
Professional registered agent service in South Dakota — $99/year, everything included.