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LLC Q and AOne question, one reply, one source.

State reply · Oklahoma

3 Best Foreign Registration Services in Oklahoma (2026), Ranked

Best foreign registration services in Oklahoma for 2026: Oklahoma Registered Agent.co ($199), Mainstay Filing ($199) and OK Registered Agent.org ($199), ranked in that order. Registering costs $300 at Oklahoma, whoever files, plus $397 to $497 to a service over three years.

LLC Q and A editorial team ·

Quick answers

Fee to the state
$300
Home-state certificate?
Yes (60 day age limit)
After registering
$25, annual certificate
Pick
Oklahoma Registered Agent.co, Mainstay Filing then OK Registered Agent.org

Oklahoma ranking

Prices come from each company's own page. See the method.
1#1 pick

1. Oklahoma Registered Agent.co: best for registering in just this state

Service $199 plus $300 to the state; agent renewal $99

Oklahoma Registered Agent.co ranks first since registration is $199 over the state fee, agent covered in year one, then $99 a year.

Three years cost less here than at Mainstay Filing; cost carries the most weight.

Price covers

  • Oklahoma registration filing
  • Agent for year one

For

  • Renewal $99
  • $199 plus state fee
  • Year-one agent included

Against

  • Home state needs a separate agent
Go to Oklahoma Registered Agent.coPartner link. We may earn money if you buy.
2All fifty states

2. Mainstay Filing: best for registering in several states

Service $199 plus $300 to the state; agent renewal $149

Mainstay Filing ranks second since $199 in every state, with the first registered agent year included.

A $100 three-year gap to Oklahoma Registered Agent.co explains the lower place.

Registered agent: free in year one, $149 a year after, in any state.

Price covers

  • Registration filing
  • Registered agent, free first year
  • Same price in any state

For

  • Agent free the first year
  • All fifty states
  • $199 over the state fee

Against

  • Agent renews at $149, $50 above Oklahoma Registered Agent.co
Go to Mainstay FilingPartner link. We may earn money if you buy.
3Oklahoma specialist

3. OK Registered Agent.org: best for another local option

Service $199 plus $300 to the state; agent renewal $99

Third: OK Registered Agent.org, because registration is $199 over the state fee, agent covered in year one, then $99 a year.

It charges exactly what Oklahoma Registered Agent.co charges.

Price covers

  • Oklahoma registration filing
  • Agent for year one

For

  • Renewal $99
  • Year-one agent included
  • $199 plus state fee

Against

  • Home state needs a separate agent
Go to OK Registered Agent.orgPartner link. We may earn money if you buy.

Comparison

#ServiceYear 1Per year afterTotal, 3 yearsIncludes
1Oklahoma Registered Agent.co$199$99/yr$397oklahoma registration filing; agent for year oneGo to Oklahoma Registered Agent.coPartner link. We may earn money if you buy.
2Mainstay Filing$199$149/yr$497registration filing; registered agent, free first year; same price in any stateGo to Mainstay FilingPartner link. We may earn money if you buy.
3OK Registered Agent.org$199$99/yr$397oklahoma registration filing; agent for year oneGo to OK Registered Agent.orgPartner link. We may earn money if you buy.
Prices as of November 13, 2026. State fees are in the checklist below.

Questions and replies

When must an out-of-state LLC register?

Register with the Oklahoma Secretary of State, Business Filing Department first; do business in Oklahoma second.

Unregistered, an LLC may face it cannot sue in Oklahoma courts until registered (18 O.S. 2048(A)).

source of record: oscn.net, confirmed October 2026

Cost to register?

$300 to the state, plus $199 for a service.

State fees reach $350 over three years, counting any recurring report. source of record: sos.ok.gov, confirmed October 2026

Which form, filed where?

Registration goes through the Application for Registration (Foreign Limited Liability Company) (SOS Form 0081), handled by the Oklahoma Secretary of State, Business Filing Department.

Attach certificate of good standing, existence or fact issued in the last 60 days.

What is due after registering?

A recurring annual certificate, at $25.

Deadline per the state: anniversary of the registration date.

Why this order?

Three-year price (36%) goes to Oklahoma Registered Agent.co.

Five criteria: three-year price (36%), chores removed from your list (26%), price shown up front (15%), year-two bill (12%) and states served (11%).

Oklahoma Registered Agent.co wins on cost: $397, a $100 saving over Mainstay Filing.

Method

What Oklahoma requires of a foreign LLC

RequirementDetailSource
Fee to register$300source of record: sos.ok.gov, confirmed October 2026
Good standing certificateYes, 60 dayssource of record: oscn.net, confirmed October 2026
Annual certificate$25source of record: oscn.net, confirmed October 2026
Three-year state total$350Sum of the rows above
To verify the total: filing fee, two later reports, minimum tax if one applies. Costs without a set amount are excluded.

Also asked

Does the home state still need an agent?

Yes: two states, two rule sets. Mainstay Filing works in both; one-state services do not.

Three-year cost of each?

Oklahoma Registered Agent.co totals $397 and Mainstay Filing totals $497 and OK Registered Agent.org totals $397, before state fees.

Are the fees official?

Official Oklahoma sources for the state side, published prices for the service side.

Is a service required?

No. Owners can file directly. A service saves time and can act as agent.

Does a service file it?

All of them do; only the service fee differs.

Best foreign registration service in Oklahoma?

Oklahoma Registered Agent.co, because $199 files the registration and the agent renews at $99. Then Mainstay Filing and OK Registered Agent.org.

Sources

  1. Q and A source note covering Oklahoma Secretary of State, Business, found at sos.ok.gov and dated August 2026, kept on file
  2. Q and A source note covering Oklahoma Secretary of State, Business, found at sos.ok.gov and dated August 2026, kept on file
  3. Q and A source note covering Oklahoma report due date, found at law.justia.com and dated August 2026, kept on file
  4. Q and A source note covering 18 O.S. § 2004, found at sos.ok.gov and dated August 2026, kept on file
  5. Q and A source note covering Oklahoma formation fee: Filing fee, found at sos.ok.gov and dated October 2026, kept on file
  6. Q and A source note covering Procedures for registering a foreign, found at sos.ok.gov and dated October 2026, kept on file
  7. Q and A source note covering 18 O.S. § 2049, transacting, found at oscn.net and dated October 2026, kept on file
  8. Q and A source note covering Oklahoma Statutes Title 18, foreign, found at oklegislature.gov and dated November 2026, kept on file
  9. Oklahoma Registered Agent.co pricing page, read November 13, 2026
  10. Mainstay Filing Oklahoma service page, read November 13, 2026
  11. OK Registered Agent.org pricing page, read November 13, 2026