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Nationwide

3 Best Registered Agents (2026): What You Pay

Our 2026 national registered agent list, best value first: Mainstay Filing ($149/yr), SD Registered Agent.org ($99/yr) and Pennsylvania Registered Agent.co ($99/yr). Why Mainstay Filing leads: $149 a year in each state, and again at renewal.

↓ Ranked for you by: Our ranking formula, applied to every state at once

Ranked nationwide

Our ranking formula sets the order.

1
Best value for you

1. Mainstay Filing: best for all fifty states

$149 a year, moving to $149
You pay in year 1 $149
You pay at renewal $149/yr
You pay over 3 years $447

For the whole country, Mainstay Filing is the best value: $149 a year in each state, and again at renewal.

It runs $150 above SD Registered Agent.org across three years and is the only option that works in any state.

Your price covers

  • A street address in the state you pick
  • Up to three government mailings a year, scanned at no cost
  • Also serves nonprofits, corporations, LPs and LLPs

What you get

  • $149 nationwide
  • Renewal unchanged

What to watch

  • Not the smallest bill for a single state
2
South Dakota pick

2. SD Registered Agent.org: best for South Dakota businesses

$99 a year, moving to $99
You pay in year 1 $99
You pay at renewal $99/yr
You pay over 3 years $297

SD Registered Agent.org ranks second: a South Dakota agent at $99 a year.

Owners based in South Dakota get a lower price here.

Your price covers

  • South Dakota registered office address
  • Papers served on the LLC scanned to your account

What you get

  • A smaller opening bill than Mainstay Filing
  • Renewal unchanged

What to watch

  • South Dakota only
  • You file the yearly report
3
Pennsylvania pick

3. Pennsylvania Registered Agent.co: best for Pennsylvania businesses

$99 a year, moving to $99
You pay in year 1 $99
You pay at renewal $99/yr
You pay over 3 years $297

Third goes to Pennsylvania Registered Agent.co: a Pennsylvania agent at $99 a year.

Owners based in Pennsylvania get a lower price here.

Your price covers

  • Pennsylvania registered office address
  • Papers served on the LLC scanned to your account

What you get

  • A smaller opening bill than Mainstay Filing
  • Renewal unchanged

What to watch

  • Pennsylvania only
  • You file the yearly report

What each service adds up to

Pick Service You pay in year 1 You pay by year 2 You pay by year 3 You pay by year 5
1 Mainstay Filing $149 $298 $447 $745 Price out Mainstay Filing Partner link. We may earn money if you buy.
2 SD Registered Agent.org $99 $198 $297 $495 Price out SD Registered Agent.org Partner link. We may earn money if you buy.
3 Pennsylvania Registered Agent.co $99 $198 $297 $495 Price out Pennsylvania Registered Agent.co Partner link. We may earn money if you buy.

Prices from November 13, 2026; each service adds the state fee at cost. None of the totals cross in ten years.

What each figure is

Each service shows a first-year price, a renewal price and the sum of year one plus two renewals. The day your company outgrows its first state, reach across states becomes the bigger factor.

Why this order

Five weighted factors set the order, led by three-year spend and work covered per dollar. Because this list has to work wherever you live, coverage of all fifty states decides first place. Owners in South Dakota or Pennsylvania can save with SD Registered Agent.org or Pennsylvania Registered Agent.co.

Budgets for all 50 states

Each state budget adds that state's official fees, running totals and a break-even check. What a registered agent costs by state for all 50 states.

Common questions

Which registered agents are the best in 2026?

In order of value: Mainstay Filing, SD Registered Agent.org and Pennsylvania Registered Agent.co.

How much will a registered agent cost me?

$99 up to $149 a year.

What do the three-year totals come to?

Mainstay Filing $447, SD Registered Agent.org $297 and Pennsylvania Registered Agent.co $297.

Is there one service that works in every state?

Yes: Mainstay Filing charges one price in all fifty states, while the other two each serve a single state.

Why list one-state services on a national page?

They give a better price to a company that stays put. SD Registered Agent.org suits South Dakota businesses, and Pennsylvania Registered Agent.co suits Pennsylvania businesses.

How are the services ranked?

Three-year spend and work covered per dollar count most; the other three factors follow.

Keep comparing

Where we looked

  1. On November 13, 2026 the Mainstay Filing pricing page page said this
  2. On November 13, 2026 the SD Registered Agent.org pricing page page said this
  3. On November 13, 2026 the Pennsylvania Registered Agent.co pricing page page said this