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Just the facts · Oklahoma

3 Best Registered Agents in Oklahoma (2026): Our Honest Take

If you need registered agents in Oklahoma in 2026, we'd go with Mainstay Filing ($149 a year), OK Registered Agent.org ($99 a year) and Oklahoma Registered Agent.co ($99 a year), in that order. Year one costs $99 to $149; three years cost $297 to $447.
From the LLC Plainly editorial team

Quick take

Must you name one?
You have to
State term
Registered agent
What it costs a year
$99 to $149 each year
Who to use
Mainstay Filing, OK Registered Agent.org then Oklahoma Registered Agent.co

Who we like in Oklahoma

The scoring is spelled out on this page.
Our top pick

1. Mainstay Filing: best for an agent that goes where you go

$149 a year, $149 when you renew

We'd use Mainstay Filing in Oklahoma. It's $149 a year in all fifty states.

You'd save $150 over three years with OK Registered Agent.org. The catch is it doesn't work outside Oklahoma.

Your money buys

  • Registered office on file
  • Free scans of three government mailings a year
  • Not just LLCs: corporations, LPs, LLPs and nonprofits as well

The good

  • It follows you to any state
  • Annual price $149; renewal price $149

Trade-offs

  • You'd pay $50 more every year
  • Reports aren't part of the agent plan
Local to Oklahoma

2. OK Registered Agent.org: best for LLCs that never leave the state

$99 a year, $99 when you renew

Why OK Registered Agent.org second? Honestly, it's $99 a year, $99 once you renew, for an LLC that stays in Oklahoma.

Your money buys

  • A staffed in-state address
  • Documents scanned to your login

The good

  • Cheaper each year than Mainstay Filing
  • Pay $99 a year with no change at renewal

Trade-offs

  • You'd need another company in another state
  • You'd still be handling the annual certificate
Local to Oklahoma

3. Oklahoma Registered Agent.co: best for local support

$99 a year, $99 when you renew

Why Oklahoma Registered Agent.co third? Honestly, it's $99 a year, $99 once you renew, for an LLC that stays in Oklahoma.

Its prices match OK Registered Agent.org exactly, so either one works.

Your money buys

  • A staffed in-state address
  • Documents scanned to your login

The good

  • Pay $99 a year with no change at renewal
  • Cheaper each year than Mainstay Filing

Trade-offs

  • You'd need another company in another state
  • You'd still be handling the annual certificate

The numbers side by side

#WhoYear oneRenews atThree-year totalIn the price
1Mainstay Filing$149$149/yr$447registered office on file; free scans of three government mailings a year; Not just LLCs: corporations, LPs, LLPs and nonprofits as wellSee what Mainstay Filing offersPartner link. We may earn money if you buy.
2OK Registered Agent.org$99$99/yr$297A staffed in-state address; documents scanned to your loginSee what OK Registered Agent.org offersPartner link. We may earn money if you buy.
3Oklahoma Registered Agent.co$99$99/yr$297A staffed in-state address; documents scanned to your loginSee what Oklahoma Registered Agent.co offersPartner link. We may earn money if you buy.
Each company's listed prices on November 13, 2026. State fees come on top and don't change by pick.

What you probably want to know

Could I skip naming a registered agent?

Every LLC must name a registered agent with an in-state street address.

Where the law says so: 18 O.S. § 2010. sos.ok.gov, confirmed October 2026 (official)

Who counts?

The LLC itself, an Oklahoma resident, or a corporation, LLC or partnership formed in Oklahoma or qualified there.

You can skip the fee entirely if you meet the rule.

What will I pay an agent?

Budget $99 to $149 a year, or $297 to $447 for three.

No state fee depends on which agent you pick.

What's the agent there for?

It's the address in Oklahoma where court papers and state letters get delivered for your LLC.

Service is only as good as the forwarding, so ask how documents reach you. What does "service of process" mean?

What else will the state bill each year?

Keep the annual certificate current. You file it every year for $25. The state lists the due date as anniversary date of the filing of the Articles of Organization, so don't let it slide.

sos.ok.gov, confirmed August 2026 (official)

Why did the first pick win?

Mainstay Filing leads on work taken off your hands, a 31% check.

We start with cost across three years, move to work taken off your hands, and finish with three smaller checks.

Add a state later and the same agent and price tag along; OK Registered Agent.org ends at the Oklahoma border.

Read the method

Oklahoma rules at a glance

WhatThe answerCheck it
The state's formation fee$100sos.ok.gov, confirmed October 2026 (official)
Registered agentYou have tosos.ok.gov, confirmed October 2026 (official)
Annual certificate$25 every yearsos.ok.gov, confirmed August 2026 (official)
State cost over three years$150The rows above, added up
How we get the bottom line: filing + report in year two + report in year three + any minimum tax. Open-ended costs are described in the text only.

More questions

Do I have to pay for an agent?

Yes, if your address and status fit the state's rule.

What address does the agent need?

The address has to be a street address in Oklahoma, at a business office that is open during regular business hours. P.O. boxes are not accepted.

After three years, what have I paid?

Mainstay Filing $447; OK Registered Agent.org $297; Oklahoma Registered Agent.co $297

What are the sources?

Oklahoma's fee schedules and forms for state costs; each company's price page for service costs.

Is hiring help required?

It's your call. You can file on your own if you meet the rules on this page.

Who do you like best in Oklahoma?

Start with Mainstay Filing, followed by OK Registered Agent.org and Oklahoma Registered Agent.co.

Official sources and price pages

  1. Oklahoma Secretary of State, Business, sos.ok.gov (confirmed August 2026)
  2. Oklahoma Secretary of State, Business, sos.ok.gov (confirmed August 2026)
  3. Oklahoma report due date, law.justia.com (confirmed August 2026)
  4. 18 O.S. § 2004, sos.ok.gov (confirmed August 2026)
  5. Oklahoma formation fee: Filing fee, sos.ok.gov (confirmed October 2026)
  6. We read the Mainstay Filing Oklahoma service page on November 13, 2026
  7. We read the OK Registered Agent.org pricing page on November 13, 2026
  8. We read the Oklahoma Registered Agent.co pricing page on November 13, 2026