3 Best Foreign Registration Services in Tennessee (2026): Who to Hire
For foreign registration services in Tennessee, our 2026 reply is Mainstay Filing ($199), Tennessee Registered Agent.co ($199) and TN Registered Agent.org ($199), in that order. The state's registration fee is $300 whoever files, and services total $397 to $497 across three years.
By the LLC Answered editorial team
The brief reply
Short reply
Price to register
$300
Attach a certificate?
Yes, attach it (60 days or newer)
Later filing
$300, annual report
Who to hire
Mainstay Filing, Tennessee Registered Agent.co then TN Registered Agent.org
1. Mainstay Filing: best for companies that keep growing
$199 at the start, then $149 yearly
First place: Mainstay Filing, where $199 on top of the state fee gets you registered, with the registered agent free in year one and $149 a year afterward.
Over three years it sits $100 above Tennessee Registered Agent.co, and the extra pays for service in every state.
After the free year, the registered agent renews at $149.
What is bundled
Application prepared and sent
Registered agent, covered the first year
Priced identically in any state
Pluses
Fifty states covered
The first agent year is covered
$199 plus state fee
Downsides
Renewal $50 above Tennessee Registered Agent.co
#2Tennessee only
2. Tennessee Registered Agent.co: best for one extra state
$199 at the start, then $99 yearly
Tennessee Registered Agent.co comes next since registering costs $199 over the state fee, agent covered in year one, then $99 a year.
What is bundled
Tennessee registration filing
A first year of agent service
Pluses
$199 plus the state fee
Then $99 yearly
Agent covered in year one
Downsides
Tennessee only; the home state needs its own agent
#3Tennessee only
3. TN Registered Agent.org: best for a low agent renewal
$199 at the start, then $99 yearly
TN Registered Agent.org comes next since registering costs $199 over the state fee, agent covered in year one, then $99 a year.
Tennessee Registered Agent.co charges the same, which makes this a near tie.
What is bundled
Tennessee registration filing
A first year of agent service
Pluses
Agent covered in year one
Then $99 yearly
$199 plus the state fee
Downsides
Tennessee only; the home state needs its own agent
Numbers at a glance
#
Company
First year
Later years
Three-year cost
Price buys
1
Mainstay Filing
$199
$149/yr
$497
application prepared and sent; registered agent, covered the first year; priced identically in any state
The state's registration fee is $300, and a service costs $199 more.
Over three years the state's total is $900. sos-prod.tnsosgovfiles.com, last confirmed October 2026, official site
What is the application called?
Submit one document, the Application for Certificate of Authority, Foreign Limited Liability Company (SS-4233), to the Tennessee Secretary of State, Division of Business and Charitable Organizations.
Provide certificate of existence or good standing less than 60 days.
What is due after the LLC registers?
$300 for the annual report.
The deadline, per the state: First day of the fourth month after fiscal year end (April 1 for a calendar year).
Why is number one first?
Because of paperwork covered (29% of the weight): Mainstay Filing is best there.
Five tests set the order: three-year price (36%), paperwork covered (29%), straightforward pricing (15%), renewal behavior (10%) and states served (10%).
Tennessee Registered Agent.co serves Tennessee only, leaving the home state to someone else.
Every figure above links to its official source; the last line is our own addition of the filing, two reports and any minimum tax, with variable costs such as publication left out.
A few more
Does my home state still want an agent?
You still need one at home. Mainstay Filing works in both states, while a local company works in one.
After three years, what has each cost?
$497 for Mainstay Filing, $397 for Tennessee Registered Agent.co, $397 for TN Registered Agent.org, with state fees on top.
What is behind the figures?
State side: Tennessee's published fee schedules and forms. Service side: the prices each company lists.
Do I need outside help?
You can file yourself if you meet the rules on this page, and the state charges what it charges either way.
Who submits the registration?
Yes. Each pick prepares and files it, and the state fee does not depend on which you choose.
Who is your first choice in Tennessee?
Mainstay Filing first: the $199 fee is identical everywhere, and the first year of registered agent service comes with it. Tennessee Registered Agent.co and TN Registered Agent.org follow.