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Biz Formation Report

Rankings of registered agents, LLC formation and foreign registration services in all 50 states.

LLC formation report · Oklahoma

3 Best LLC Services in Oklahoma (2026)

By the Biz Formation Report editorial team

Biz Formation Report ranks LLC services in Oklahoma for 2026 as Oklahoma Registered Agent.co ($199), Mainstay Filing ($199) and OK Registered Agent.org ($199), in that order. Oklahoma Registered Agent.co earns the top grade: forming in Oklahoma costs $199 beyond the state's fee, with the first agent year included, and keeping the agent runs $99 a year.

No.1

Our top pick

1. Oklahoma Registered Agent.co: best for an Oklahoma LLC that expects to stay put

Score9.4out of 10
$199 for formation, then $99 a year for the agent, plus the state fee

Top grade, Oklahoma Registered Agent.co: $199 for formation on top of the state fee, then $99 a year for the agent.

The plan seats the company at an in-state street address and posts scans of papers served there to your online account.

The annual certificate is outside its published prices, so you submit it to Oklahoma yourself every year.

Over three years it costs less than Mainstay Filing, and cost is one of our two heaviest criteria.

What you get

  • The formation filing
  • Year-one registered agent service

Good

  • First-year registered agent service is part of the price
  • $99 a year for the agent from year two
  • $199 for formation, plus the state fee

Weak spots

  • Does not handle the annual certificate
  • The EIN application costs $99 extra
Visit Oklahoma Registered Agent.coPartner link. We may earn money if you buy.
Read the Oklahoma Registered Agent.co review
No.2

Report filing included

2. Mainstay Filing: best for formation, agent and annual certificate on one invoice

Score9.0out of 10
$199 a year plus the state fee

Second grade, Mainstay Filing: a flat $199 yearly fee takes in the Oklahoma formation, your registered agent and the annual certificate.

The renewal covers the annual certificate, which Mainstay files for you. Oklahoma collects $25 every year, with a deadline of anniversary date of the filing of the Articles of Organization; Mainstay passes the state's fee through at cost.

Oklahoma Registered Agent.co is $200 cheaper across three years, and that difference lowers Mainstay Filing's cost grade.

What you get

  • The LLC formation, done for you
  • Registered agent service all year
  • The annual certificate prepared and filed
  • The EIN application

Good

  • Includes the EIN application
  • Oklahoma's state fee is passed through at cost
  • A single $199 yearly price, including the annual certificate
  • Renewal is $199 with no add-ons

Weak spots

  • Its agent renews at $100 a year more than Oklahoma Registered Agent.co's
Visit Mainstay FilingPartner link. We may earn money if you buy.
Read the Mainstay Filing review
No.3

Lower renewal than Mainstay

3. OK Registered Agent.org: best for local Oklahoma formation

Score8.8out of 10
$199 for formation, then $99 a year for the agent, plus the state fee

Third grade, OK Registered Agent.org: $199 for formation on top of the state fee, then $99 a year for the agent.

The plan seats the company at an in-state street address and posts scans of papers served there to your online account.

The annual certificate is outside its published prices, so you submit it to Oklahoma yourself every year.

Prices and features do not separate Oklahoma Registered Agent.co from OK Registered Agent.org; either works.

What you get

  • The formation filing
  • A first year of registered agent service

Good

  • A $199 formation price, state fee extra
  • Agent at $99 a year after year one
  • Includes a year of registered agent service

Weak spots

  • Does not handle the annual certificate
  • The EIN application costs $99 extra
Visit OK Registered Agent.orgPartner link. We may earn money if you buy.
Read the OK Registered Agent.org review

Summary of the 3 grades

RankProviderGradeService feeYear twoBest fitSite
1Oklahoma Registered Agent.co9.4$199$99/yrAn Oklahoma-only LLC keeping costs downVisit Oklahoma Registered Agent.coPartner link. We may earn money if you buy.
2Mainstay Filing9.0$199$199/yrFormation, agent and annual certificate on one invoiceVisit Mainstay FilingPartner link. We may earn money if you buy.
3OK Registered Agent.org8.8$199$99/yrAn Oklahoma-only LLC keeping costs downVisit OK Registered Agent.orgPartner link. We may earn money if you buy.

The grades are editorial: Biz Formation Report assigns every mark out of 10 using the criteria on How we rank, not customer ratings.

Oklahoma LLC service prices, 2026: year one, renewal and three-year outlay

ProviderYear 1Year 2Year 3Three-year outlayAnnual certificate done for you
Oklahoma Registered Agent.co$199$99$99$397No
Mainstay Filing$199$199$199$597Yes
OK Registered Agent.org$199$99$99$397No

All prices were taken from the companies' own websites on November 12, 2026. Oklahoma's $100 filing fee is payable on top of each row and is not part of these totals.

What decided the order

Of the grade, 32% rests on three-year bill and 32% on what the money buys; renewal handling, local rules match and pricing openness share the remaining 36%. Three-year bill decided Oklahoma.

Total outlay with Oklahoma Registered Agent.co over three years: $397, $200 less than Mainstay Filing. Mainstay would add the annual certificate filing, but owners can file it alone for the state fee, so the lower price decided the grade.

Every criterion and weight is listed on How we rank.

Oklahoma LLC filing fee and form, from official sources

The Oklahoma Secretary of State charges $100 for the Articles of Organization (Form 0073). Each provider here adds that fee at cost on top of its own.

What a Oklahoma LLC owes after formation

Expect the annual certificate every year, with a deadline of anniversary date of the filing of the Articles of Organization. It costs $25. Every LLC must name a registered agent with an in-state street address.

Oklahoma LLC service: common questions

What does Oklahoma charge to start an LLC, all in?

$100 goes to the state and $199 to the service.

Which document starts the LLC?

the Oklahoma Secretary of State accepts the Articles of Organization (Form 0073).

Is a registered agent mandatory for an Oklahoma LLC?

Yes. Oklahoma requires one, with a physical street address in the state, from the day the LLC exists.

What recurring paperwork follows an LLC in Oklahoma?

A single item: the annual certificate, filed every year (anniversary date of the filing of the Articles of Organization) for $25.

Does the service price cover the EIN?

The Mainstay Filing yearly price covers it. Oklahoma Registered Agent.co and OK Registered Agent.org list it at $99. The IRS does not charge for issuing an EIN.

What is the best LLC service in Oklahoma, by our report?

Oklahoma Registered Agent.co: $199 plus the Oklahoma filing fee, year-one registered agent service included, then $99 a year.

Read next

Source notes

  1. Oklahoma Secretary of State, Business Filing Department (verified August 2026)
  2. Oklahoma Secretary of State, Business Filing Department (verified August 2026)
  3. Oklahoma report due date (verified August 2026)
  4. 18 O.S. § 2004 (verified August 2026)
  5. Oklahoma formation fee: Filing fee, official source (verified October 2026)
  6. Pulled November 12, 2026: Oklahoma Registered Agent.co, pricing and service pages
  7. Pulled November 12, 2026: Mainstay Filing, Oklahoma service page
  8. Pulled November 12, 2026: OK Registered Agent.org, pricing and service pages