Kept simple · Oklahoma
3 Best Foreign Registration Services in Oklahoma (2026): Simply Ranked
The short version
- State fee to register
- $300
- Certificate from home?
- Yes (60 days old, at most)
- Next
- $25, annual certificate
- Ranked first
- Mainstay Filing, OK Registered Agent.org then Oklahoma Registered Agent.co
Oklahoma, ranked
Why this order? The checks are explained here.1. Mainstay Filing: best for adding more states
$199 plus the state fee, then $149 a year
Mainstay Filing ranks first in Oklahoma. The registration price does not vary by state ($199), and the registered agent is waived for twelve months.
The $100 extra over OK Registered Agent.org across three years pays for coverage outside Oklahoma.
No registered agent fee in year one, then $149 a year.
Includes
- Registration, filed
- Registered agent, free in year one
- The same price anywhere
Good
- A free first year of agent service
- $199 to register
- Ready for the next state
Against
- Agent renews at $149, $50 above OK Registered Agent.org
2. OK Registered Agent.org: best for adding only this state
$199 plus the state fee, then $99 a year
OK Registered Agent.org takes second place because registration costs $199 over the state fee, agent covered in year one, then $99 a year.
Includes
- Oklahoma registration filing
- Agent for year one
Good
- The first agent year is included
- Then $99 yearly
- $199 plus the state fee
Against
- Nothing outside this state
3. Oklahoma Registered Agent.co: best for one more state only
$199 plus the state fee, then $99 a year
Oklahoma Registered Agent.co takes third place because registration costs $199 over the state fee, agent covered in year one, then $99 a year.
Its prices match OK Registered Agent.org exactly. The order between them is close.
Includes
- Oklahoma registration filing
- Agent for year one
Good
- Then $99 yearly
- $199 plus the state fee
- The first agent year is included
Against
- Nothing outside this state
Side by side
| # | Name | Start | After year one | Three years | Covers | |
|---|---|---|---|---|---|---|
| 1 | Mainstay Filing | $199 | $149/yr | $497 | Registration, filed; registered agent, free in year one; the same price anywhere | Go to Mainstay FilingPartner link. We may earn money if you buy. |
| 2 | OK Registered Agent.org | $199 | $99/yr | $397 | oklahoma registration filing; agent for year one | Go to OK Registered Agent.orgPartner link. We may earn money if you buy. |
| 3 | Oklahoma Registered Agent.co | $199 | $99/yr | $397 | oklahoma registration filing; agent for year one | Go to Oklahoma Registered Agent.coPartner link. We may earn money if you buy. |
The facts
When must an out-of-state LLC register?
Registration comes first. Business in Oklahoma comes second.
Skipping registration can bring Oklahoma courts will not hear its claims (18 O.S. 2048(A)).
from oscn.net, October 2026, kept short
What does registration cost?
$300 to the state. $199 more if someone files for you.
Three years of state fees, registration included: $350. from sos.ok.gov, October 2026, kept short
Which form, and where?
The Application for Registration (Foreign Limited Liability Company) (SOS Form 0081) goes to the Oklahoma Secretary of State, Business Filing Department. One filing registers the LLC.
Attach certificate of good standing, existence or fact no older than 60 days.
Is there a filing that repeats?
Next comes the annual certificate, at $25.
The state's timing: anniversary of the registration date.
What put the first pick first?
Mainstay Filing wins on work included. That check carries 27%.
Two checks carry most of the weight: three-year cost (38%) and work included (27%).
OK Registered Agent.org covers Oklahoma only. The home state needs someone else.
Oklahoma registration rules, sourced
| Item | Rule or amount | Source |
|---|---|---|
| Registration fee | $300 | from sos.ok.gov, October 2026, kept short |
| Home-state certificate | Yes, 60 days | from oscn.net, October 2026, kept short |
| Annual certificate | $25 | from oscn.net, October 2026, kept short |
| State fees, three years | $350 | Sum of the rows above |
Also asked
Do I still need an agent at home?
Yes. Two states, two sets of rules. Mainstay Filing works in both. One-state services do not.
What do the picks cost over three years?
Mainstay Filing is $497, while OK Registered Agent.org is $397, while Oklahoma Registered Agent.co is $397, before state fees.
Where do the figures come from?
State fees come from Oklahoma's official documents. Service prices come from each company's price page. Both are dated here.
Does the law require one?
No law requires a service. It is a paid convenience.
Can I hire someone to register?
Yes. Filing is part of what each company on this page sells.
What is the best foreign registration service in Oklahoma?
Mainstay Filing ranks first. Oklahoma's fee plus $199 gets you registered, with no registered agent bill until year two. After it, OK Registered Agent.org and Oklahoma Registered Agent.co.
Sources
- Entry for Oklahoma Secretary of State, Business: read at sos.ok.gov, dated August 2026, kept short on purpose
- Entry for Oklahoma Secretary of State, Business: read at sos.ok.gov, dated August 2026, kept short on purpose
- Entry for Oklahoma report due date: read at law.justia.com, dated August 2026, kept short on purpose
- Entry for 18 O.S. § 2004: read at sos.ok.gov, dated August 2026, kept short on purpose
- Entry for Oklahoma formation fee: Filing fee: read at sos.ok.gov, dated October 2026, kept short on purpose
- Entry for Procedures for registering a foreign: read at sos.ok.gov, dated October 2026, kept short on purpose
- Entry for 18 O.S. § 2049, transacting: read at oscn.net, dated October 2026, kept short on purpose
- Entry for Oklahoma Statutes Title 18, foreign: read at oklegislature.gov, dated November 2026, kept short on purpose
- The Mainstay Filing Oklahoma service page, on November 13, 2026
- The OK Registered Agent.org pricing page, on November 13, 2026
- The Oklahoma Registered Agent.co pricing page, on November 13, 2026