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Plain answers · Oklahoma

3 Best LLC Services in Oklahoma (2026), Plainly Answered

Our 2026 answer for Oklahoma: OK Registered Agent.org ($199), Mainstay Filing ($199) and Oklahoma Registered Agent.co ($199), best first. The state's filing fee is $100 no matter who files. Service fees over three years: $397 to $597.

By the Plain Charter editorial team ·

Short version

State filing fee
$100, at filing
Yearly upkeep
$25 yearly
Registered agent
Required by law
Who we'd use
OK Registered Agent.org, Mainstay Filing then Oklahoma Registered Agent.co

The Oklahoma picks

Ranked by how we choose: three-year cost first, then what the price covers.
1Our first pick

1. OK Registered Agent.org: best for budget formations

First year $199, then $99 a year

Start with OK Registered Agent.org: it costs $199 up front with the first agent year, then $99 each year after.

Over three years it costs less than Mainstay Filing, and cost is the biggest factor in our order.

Budget time for the annual certificate; it is not included.

The price covers

  • Formation, done for you
  • First agent year

Upsides

  • Forms the LLC for $199
  • No agent fee in year one
  • Then $99 yearly

What to weigh

  • No help with the annual certificate
  • EIN help is $99 more
Visit OK Registered Agent.orgPartner link. We may earn money if you buy.
2Most included

2. Mainstay Filing: best for one price that covers the paperwork

$199 per year plus $100 to the state

Our number 2 is Mainstay Filing, since it forms the LLC, serves as its registered agent and files the annual certificate for $199 a year, and the price stays $199 at renewal.

The $200 three-year difference against OK Registered Agent.org is why it sits lower.

Report filing is included, with the $25 state fee passed through.

The price covers

  • Formation, done for you
  • Registered agent year-round
  • Annual certificate handled each time
  • EIN request filed
  • State fee passed through

Upsides

  • $199 a year covers filing and agent and report
  • No price jump ($199)
  • Handles the EIN application

What to weigh

  • $100 more per year after year one
Visit Mainstay FilingPartner link. We may earn money if you buy.
3Oklahoma specialist

3. Oklahoma Registered Agent.co: best for owners who file their own reports

First year $199, then $99 a year

Oklahoma Registered Agent.co comes third: it costs $199 up front with the first agent year, then $99 each year after.

Budget time for the annual certificate; it is not included.

Price for price it ties OK Registered Agent.org.

The price covers

  • Formation, done for you
  • First agent year

Upsides

  • Then $99 yearly
  • No agent fee in year one
  • Forms the LLC for $199

What to weigh

  • No help with the annual certificate
  • EIN help is $99 more
Visit Oklahoma Registered Agent.coPartner link. We may earn money if you buy.

Prices together

#ProviderFirst-year priceLater years3-year costYou get
1OK Registered Agent.org$199$99/yr$397Formation, done for you; first agent yearVisit OK Registered Agent.orgPartner link. We may earn money if you buy.
2Mainstay Filing$199$199/yr$597Formation, done for you; Registered agent year-round; annual certificate handled each timeVisit Mainstay FilingPartner link. We may earn money if you buy.
3Oklahoma Registered Agent.co$199$99/yr$397Formation, done for you; first agent yearVisit Oklahoma Registered Agent.coPartner link. We may earn money if you buy.
Read from company pricing on November 12, 2026; three years means the first year plus two renewals.

Questions, answered plainly

How much will forming the LLC cost?

$100 in state fees, and $199 more with a service.

Over three years the state collects $150 in total, filing fee included. from sos.ok.gov · October 2026

Who receives the filing?

What you file: the Articles of Organization (Form 0073). Where: the Oklahoma Secretary of State.

from sos.ok.gov · October 2026

Must the LLC name 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.

from sos.ok.gov · October 2026

What recurs after formation?

Keep the annual certificate current, every year, for $25. When: anniversary date of the filing of the Articles of Organization.

from sos.ok.gov · August 2026

Is filing it myself allowed?

It is allowed. Do-it-yourself cost for three years: $150 in state fees.

The trade-off is $397 to $597 over three years against doing every form yourself.

How did you rank them?

Three-year cost (35% of our weighting) put OK Registered Agent.org first.

The two biggest criteria are three-year cost and what the price takes off your plate, at 35% and 30%.

$397 over three years for OK Registered Agent.org, which is $200 under Mainstay Filing.

Our full method

What Oklahoma requires

ItemWhat it isCited
Cost to file$100from sos.ok.gov · October 2026
Registered agentRequired by lawfrom sos.ok.gov · October 2026
Annual certificate$25 every yearfrom sos.ok.gov · August 2026
Paid to the state by year 3$150Computed from the rows
The three-year line adds the filing fee, the reports in years two and three and any yearly minimum tax. Costs without a fixed amount, such as newspaper publication, are left out.

More answers

Do they apply for the EIN?

It is free with Mainstay Filing. OK Registered Agent.org: $99 extra. Oklahoma Registered Agent.co: $99 extra.

How do the three-year costs compare?

OK Registered Agent.org $397, Mainstay Filing $597 and Oklahoma Registered Agent.co $397, before state fees.

Where do you get the fees?

Oklahoma's own publications for the state side, published company prices for the rest.

Must I hire anyone?

No. The state accepts filings from owners; a service saves time and handles the agent role.

Any yearly state fees?

Keep the annual certificate current, every year, for $25. When: anniversary date of the filing of the Articles of Organization.

Which LLC service would you pick in Oklahoma?

OK Registered Agent.org tops our list because three years come to $397 with its $99 renewal; Mainstay Filing and Oklahoma Registered Agent.co come next.

Cited sources

  1. August 2026: Oklahoma Secretary of State, Business, sos.ok.gov
  2. August 2026: Oklahoma Secretary of State, Business, sos.ok.gov
  3. August 2026: Oklahoma report due date, law.justia.com
  4. August 2026: 18 O.S. § 2004, sos.ok.gov
  5. October 2026: Oklahoma formation fee: Filing fee, sos.ok.gov
  6. OK Registered Agent.org pricing page (prices on November 12, 2026)
  7. Mainstay Filing Oklahoma service page (prices on November 12, 2026)
  8. Oklahoma Registered Agent.co pricing page (prices on November 12, 2026)