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LLC Data Desk State LLC fee data, kept in one place.

Nationwide

3 Best Foreign Registration Services (2026)

Anywhere in the US in 2026, rank foreign registration services Mainstay Filing ($199), Nevada Registered Agent.co ($199) and New Mexico Registered Agent.co ($199). First place: Mainstay Filing, where $199 above the state fee in any state, agent free in year one.

Desk note by LLC Data Desk ·

Our nationwide picks

See the method for how the order was set.

1. Mainstay Filing: best for founders anywhere in the US

Our national pickYr 1 $199 plus state fee; $149 later

Nationwide, Mainstay Filing ranks first: $199 above the state fee in any state, agent free in year one.

Costs $100 more than Nevada Registered Agent.co over three years in Nevada; the extra buys cover in every state.

What the fee covers

  • Registration filed on your behalf
  • Year-one agent service, no fee
  • Fee does not vary by state

Pros

  • $199 wherever you file
  • Then $149 a year

Cons

  • Costs more per year than a one-state agent
Visit Mainstay FilingPartner link. We may earn money if you buy.

2. Nevada Registered Agent.co: best for Nevada businesses

Nevada pickYr 1 $199 plus state fee; $99 later

Nevada Registered Agent.co is #2: $199 plus Nevada's fee, then $99 a year.

Serves Nevada only, enough for a company based there.

What the fee covers

  • Nevada registration filed on your behalf
  • Nevada agent service, year one

Pros

  • $99 at renewal
  • Then $99 a year

Cons

  • No cover beyond Nevada
  • You file the yearly report
Visit Nevada Registered Agent.coPartner link. We may earn money if you buy.

3. New Mexico Registered Agent.co: best for New Mexico businesses

New Mexico pickYr 1 $199 plus state fee; $99 later

Rounding out the list, New Mexico Registered Agent.co: $199 plus New Mexico's fee, then $99 a year.

Serves New Mexico only, enough for a company based there.

What the fee covers

  • New Mexico registration filed on your behalf
  • New Mexico agent service, year one

Pros

  • $99 at renewal
  • Then $99 a year

Cons

  • No cover beyond New Mexico
  • You file the yearly report
Visit New Mexico Registered Agent.coPartner link. We may earn money if you buy.

3 services compared

#ServiceYr 1Yr 2+Service fees, 3 yrs
1Mainstay Filing$199$149/yr$497Visit Mainstay FilingPartner link. We may earn money if you buy.
2Nevada Registered Agent.co$199$99/yr$397Visit Nevada Registered Agent.coPartner link. We may earn money if you buy.
3New Mexico Registered Agent.co$199$99/yr$397Visit New Mexico Registered Agent.coPartner link. We may earn money if you buy.
Fees pulled from each company's own pages on November 12, 2026. State fees are extra and vary by state.

Fees every service passes along

State by state, three-year state fees for a foreign LLC fall between $70 and $2,490. Whoever files, the state fee is the same; compare all fifty.

Basis for the order

Most weight: three-year service fees and the state paperwork a fee covers. Nationwide, fifty-state coverage outweighs a lower local fee. Nevada Registered Agent.co (Nevada) and New Mexico Registered Agent.co (New Mexico) win on price in their own states.

Look up a state

Every state has a file with fees, a rank of 50 and a short ranking. Foreign LLC fees by state.

Common questions

What are the best foreign registration services in 2026?

Ranked: Mainstay Filing, Nevada Registered Agent.co and New Mexico Registered Agent.co.

How much does a foreign registration service cost?

The range is $199 to $199, before state fees.

How much do state fees vary?

State by state, three-year state fees for a foreign LLC fall between $70 and $2,490.

Can one service cover every state?

Yes: Mainstay Filing, at the same fee everywhere. The others cover one state apiece.

Why are single-state services on a national list?

Stay in one state and a local service may cost you less. Nevada Registered Agent.co is our pick for Nevada businesses; New Mexico Registered Agent.co for New Mexico businesses.

How did you choose the order?

By a published method that leads with three-year cost and coverage.

Keep going

Basis for this page

  1. Desk file help.sosmt.gov backs Montana Secretary of State, register a business; pulled October 2026.
  2. Desk file sosmt.gov backs Montana Secretary of State, business fees; pulled October 2026.
  3. Desk file mca.legmt.gov backs MCA 35-8-1001, transacting business; pulled October 2026.
  4. Desk file mca.legmt.gov backs MCA 35-8-1002, consequences; pulled October 2026.
  5. Desk file mca.legmt.gov backs MCA 35-8-1003, application contents; pulled October 2026.
  6. Desk file sos.ca.gov backs California Secretary of State, foreign LLC forms; pulled October 2026.
  7. Desk file bpd.cdn.sos.ca.gov backs Form LLC-5; pulled October 2026.
  8. Desk file leginfo.legislature.ca.gov backs Corporations Code section 17708.03; pulled October 2026.
  9. Desk file leginfo.legislature.ca.gov backs Revenue and Taxation Code section 19135; pulled October 2026.
  10. Desk file ftb.ca.gov backs Franchise Tax Board, LLC filing requirements; pulled October 2026.
  11. Desk file ftb.ca.gov backs California other cost: Annual LLC tax: amount and; pulled October 2026.
  12. Mainstay Filing, pricing page: pulled from the company site November 12, 2026
  13. Nevada Registered Agent.co, pricing page: pulled from the company site November 12, 2026
  14. New Mexico Registered Agent.co, pricing page: pulled from the company site November 12, 2026