Mainstay Filing ($199), Nevada Registered Agent.co ($199) and Colorado Registered Agent.co ($199): the 2026 nationwide order for foreign registration services. Why Mainstay Filing tops the list: one $199 fee covers registering anywhere, with a free first agent year.
Each service price was taken from the company's own pages on November 12, 2026. State fees come on top and differ by state.
The 50-state spread
On three-year state fees for a foreign LLC, the lowest state comes to $70 and the highest to $2,490. They are added to every pick. The complete list is in Foreign LLC fees by state.
Basis for the order
Three-year service fees and the state paperwork a price covers carry the most weight. For a reader who could be in any state, the one provider covering all fifty goes first. The state picks, Nevada Registered Agent.co in Nevada and Colorado Registered Agent.co in Colorado, undercut it on price at home.
What are the best foreign registration services in 2026?
We would use Mainstay Filing, Nevada Registered Agent.co and Colorado Registered Agent.co, in that order.
How much does a foreign registration service cost?
$199 to $199 before state fees across this list.
How much do state fees vary?
On three-year state fees for a foreign LLC, the lowest state comes to $70 and the highest to $2,490.
Can one service cover every state?
Only Mainstay Filing, at one price everywhere.
Why are single-state services on a national list?
In its own state a local service can be the better buy. Nevada Registered Agent.co is our pick for Nevada businesses; Colorado Registered Agent.co for Colorado businesses.
How did you choose the order?
Three-year service fees and filings covered carry the most weight, then renewal, state fit and clarity.