3 Best Foreign Registration Services (2026): Who's Worth Paying Anywhere
If you want a foreign registration service that works anywhere in 2026, here's our order: Mainstay Filing ($199), MA Registered Agent.org ($199) and New Mexico Registered Agent.co ($199). Why Mainstay Filing first? It's $199 on top of the state fee in any state, and the first agent year's free.
Straight from the LLC Straight Talk editorial team
1. Mainstay Filing: best for a company that's going to grow
$199 plus the state fee, renewing at $149
Mainstay Filing is first. It's $199 on top of the state fee in any state, and the first agent year's free.
That $100 gap to MA Registered Agent.org over three years is what you pay for all fifty states.
What you get
Registration filing
Same service fee in every state
Pluses
The same $199 everywhere
Renews at $149
What's not
A one-state company can cost less
#2If you're in Massachusetts
2. MA Registered Agent.org: best for Massachusetts businesses
$199 plus the state fee, renewing at $99
Why MA Registered Agent.org is second: it'll register your LLC in Massachusetts for $199 plus the state's fee, then $99 a year for the agent.
Go with it if Massachusetts is the only state you'll ever need.
What you get
Massachusetts registration filing
Agent service in Massachusetts, year one
Pluses
Only $99 to renew
Renews at $99
What's not
Massachusetts only
You file the report
#3If you're in New Mexico
3. New Mexico Registered Agent.co: best for New Mexico businesses
$199 plus the state fee, renewing at $99
Third place goes to New Mexico Registered Agent.co. It'll register your LLC in New Mexico for $199 plus the state's fee, then $99 a year for the agent.
Go with it if New Mexico is the only state you'll ever need.
Service fees only, read November 13, 2026. Your state's fees come on top.
What people ask
Is there one service that covers every state?
Yes: Mainstay Filing. Same price in all fifty states. The other two only work in one state each.
That matters the day your LLC opens in a second state.
Who are the state picks for?
If you'll never leave one state, a local company can cost you less. MA Registered Agent.org is for Massachusetts businesses; New Mexico Registered Agent.co for New Mexico businesses.
Why is Mainstay Filing first?
Reach decides it. You could be in any state, and only one pick works in all of them.
Money out the door in three years counts 35% and jobs the price actually covers counts 30%. Three smaller tests make up the rest. How we judge
More straight answers
Which foreign registration service should I use in 2026?
We'd go Mainstay Filing, MA Registered Agent.org and New Mexico Registered Agent.co, in that order.
How much does a foreign registration service cost?
Somewhere between $199 and $199 before state fees.
What's the three-year damage?
Mainstay Filing will set you back $497, and MA Registered Agent.org will set you back $397, and New Mexico Registered Agent.co will set you back $397, before state fees.
Where's my state's page?
In the state list. Every state has its own page with the official fees and rules.
Where do these prices come from?
From each company's own price page, read November 13, 2026.