In 2026, we rank Oklahoma Registered Agent.co ($199), Mainstay Filing ($199) and OK Registered Agent.org ($199), in that order, as the LLC formation services for Oklahoma. Budget $100 for the state plus $397 to $597 in service fees over three years.
By the LLC Answered editorial team
The brief reply
Short reply
Cost to form
$100, paid up front
Upkeep
$25 each twelve months
Registered agent
Yes, by law
Best first
Oklahoma Registered Agent.co, Mainstay Filing then OK Registered Agent.org
Each company's listed prices, November 13, 2026. State fees come on top and do not vary by pick.
What people ask here
How much money does forming an LLC take?
Put aside $100 for the filing and $199 for a service.
After three years, the state has charged $150 in total. sos.ok.gov, last confirmed October 2026, official site
Who receives the LLC paperwork?
You send the Articles of Organization (Form 0073) to the Oklahoma Secretary of State, and that single filing creates the LLC.
sos.ok.gov, last confirmed October 2026, official site
Can the LLC go without a registered agent?
Every LLC must name a registered agent with an in-state street address.
The LLC itself, an Oklahoma resident, or a corporation, LLC or partnership formed in Oklahoma or qualified there.
sos.ok.gov, last confirmed October 2026, official site
What do I owe in later years?
Stay current on the annual certificate, filed every year for $25. The state gives the due date as anniversary date of the filing of the Articles of Organization; do not miss it.
sos.ok.gov, last confirmed August 2026, official site
Is it possible to do it without a service?
Yes. Owners who skip the service pay only $150 to the state over three years.
Services bill $397 to $597 across three years, which buys the paperwork and the agent role.
What decided the ranking?
It comes down to three-year price, where Oklahoma Registered Agent.co does best.
The two heavy tests are three-year price (36%) and paperwork covered (29%); three lighter tests follow.
Three years with Oklahoma Registered Agent.co cost $397, which is $200 less than Mainstay Filing.
sos.ok.gov, last confirmed October 2026, official site
Registered agent
Yes, by law
sos.ok.gov, last confirmed October 2026, official site
Annual certificate
$25 every year
sos.ok.gov, last confirmed August 2026, official site
State fees, first three years
$150
Computed from the rows
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.
Other questions
Is the EIN part of the price?
It comes free with Mainstay Filing only. The others charge $99 (Oklahoma Registered Agent.co) and $99 (OK Registered Agent.org).
How do the three-year totals compare?
Totals: Oklahoma Registered Agent.co at $397, Mainstay Filing at $597, OK Registered Agent.org at $397 for the services alone.
Where are these numbers from?
Fees set by the state come from Oklahoma's own publications; what services charge comes from their published prices.
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.
Is anything due to the state yearly?
Stay current on the annual certificate, filed every year for $25. The state gives the due date as anniversary date of the filing of the Articles of Organization; do not miss it.
What is the best LLC service for Oklahoma?
Oklahoma Registered Agent.co first: forming the LLC costs $199 and covers the agent in year one, then $99 a year. Mainstay Filing and OK Registered Agent.org follow.