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LLC formation watchlists / Oklahoma

3 Best LLC Services in Oklahoma (2026): Prices Tracked

Our 2026 watchlist puts Mainstay Filing ($199), Oklahoma Registered Agent.co ($199) and OK Registered Agent.org ($199) at the top for LLC formation services in Oklahoma, listed in that order. Three years of service fees land between $397 to $597. Oklahoma charges $100 to file, whichever service you pick.
Tracked by the Filing Price Watch editorial team

Ordered by: Order = 37% cost, 29% filings covered, and three lighter measures (details)

Snapshot

Fee paid to the state $100 sos.ok.gov (pulled October 2026, noted here)
Year-one prices $199 No state fee in these
Three-year spread $397 to $597 Year one and both renewals
State fees by year three $150 Filing, reports, any minimum tax
Switch point Does not happen Order holds through year 10

Oklahoma watchlist

Ordered by our tracking method. No service includes the $100 state fee.

1
First place

1. Mainstay Filing: best for owners who want upkeep handled

Starts at $199; renews at $199; state fee extra

Price in year 1 $199
Price after year 1 $199/yr
Three-year spend $597

First on the watchlist is Mainstay Filing. $199 a year includes the annual certificate and does not rise at renewal.

Oklahoma Registered Agent.co is $200 lower by year three; the 29% weight on filings covered still puts this one first.

The annual certificate is handled each time, with Oklahoma's $25 passed along at cost.

Price covers

  • Formation of the LLC
  • Registered agent for the full year
  • Annual certificate, filed when it is due
  • EIN application, prepared for you
  • State fee at cost

Holds up

  • $199 buys the whole bundle
  • EIN application covered
  • Price does not rise at renewal ($199)

Weak spots

  • Costs $100 more than Oklahoma Registered Agent.co each year after the first
Go to Mainstay Filing Partner link. We may earn money if you buy.
2
Oklahoma only

2. Oklahoma Registered Agent.co: best for companies that never leave the state

Starts at $199; later years $99

Price in year 1 $199
Price after year 1 $99/yr
Three-year spend $397

Oklahoma Registered Agent.co places second. Three years total $397 because renewal is only $99.

The annual certificate is not covered by its price.

Price covers

  • Formation handled for you
  • A year of agent service to begin with

Holds up

  • No agent charge in year one
  • $199 for the filing
  • Then $99 yearly

Weak spots

  • Annual certificate is not part of the price
  • EIN add-on: $99
Go to Oklahoma Registered Agent.co Partner link. We may earn money if you buy.
3
Oklahoma only

3. OK Registered Agent.org: best for another in-state option

Starts at $199; later years $99

Price in year 1 $199
Price after year 1 $99/yr
Three-year spend $397

OK Registered Agent.org places third. Three years total $397 because renewal is only $99.

The annual certificate is not covered by its price.

Both the first-year and renewal prices equal Oklahoma Registered Agent.co's.

Price covers

  • Formation handled for you
  • A year of agent service to begin with

Holds up

  • $199 for the filing
  • No agent charge in year one
  • Then $99 yearly

Weak spots

  • Annual certificate is not part of the price
  • EIN add-on: $99
Go to OK Registered Agent.org Partner link. We may earn money if you buy.

What each service adds up to

Place Service After year 1 After year 2 After year 3 After year 5
1 Mainstay Filing $199 $398 $597 $995
Go to Mainstay Filing Partner link. We may earn money if you buy.
2 Oklahoma Registered Agent.co $199 $298 $397 $595
Go to Oklahoma Registered Agent.co Partner link. We may earn money if you buy.
3 OK Registered Agent.org $199 $298 $397 $595
Go to OK Registered Agent.org Partner link. We may earn money if you buy.

Service fees only, from prices each company published as of November 13, 2026. No service passes another inside ten years.

Cost calculator

Totals for 1 to 5 years, EIN application optional. The state fees are left out because every service owes the same ones.
After 3 years: Mainstay Filing $597, Oklahoma Registered Agent.co $397, OK Registered Agent.org $397. The smallest total here is Oklahoma Registered Agent.co.

What Oklahoma itself charges

Item Amount Source
Articles filing $100 sos.ok.gov (pulled October 2026, noted here)
Annual certificate $25 every year sos.ok.gov (pulled August 2026, noted here)
State side, 3 years $150 Lines added together

Three years of state charges means one filing, two reports and any minimum tax. We list open-ended costs such as publication but keep them out of the total.

Notes on the ranking

Mainstay Filing wins on filings covered by the price, a 29% measure, with Oklahoma Registered Agent.co close behind.

Including the annual certificate lifted the bundle to first place.

If you count the EIN application, Oklahoma Registered Agent.co costs less from year 2.

Oklahoma LLC filing fee and requirements, as written by the state

The Oklahoma Secretary of State accepts the Articles of Organization (Form 0073) with $100. Every LLC must name a registered agent with an in-state street address.

Official text: sos.ok.gov (pulled October 2026, noted here)

What it costs without a service

Filing on your own costs $150 in state fees over three years. The $397 to $597 charged by services pays for not doing the forms.

Oklahoma pricing questions

How much do LLC formation services cost in Oklahoma?

Year one is $199 among these services, and Oklahoma adds $100 to file.

What do these services cost over three years?

Three years of service run $397 to $597.

What does Oklahoma charge to file an LLC?

$100 paid to the state, through the Articles of Organization (Form 0073).

What does Oklahoma charge every year once the LLC exists?

What repeats is the annual certificate at $25 annually (anniversary date of the filing of the Articles of Organization).

Does the price include the EIN application?

Mainstay Filing, no added charge, Oklahoma Registered Agent.co, $99 and OK Registered Agent.org, $99.

In what year does one service become pricier than another?

They do not cross within ten years, so no service overtakes another.

Which LLC formation service is the best value in Oklahoma?

Mainstay Filing wins on filings covered by the price, followed by Oklahoma Registered Agent.co and OK Registered Agent.org.

Related watchlists

Source trail

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