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Biz Formation Report

Rankings of registered agents, LLC formation and foreign registration services in all 50 states.

LLC services · Nationwide

3 Best LLC Services (2026)

By the Biz Formation Report editorial team

Biz Formation Report puts the best LLC services of 2026 at Mainstay Filing ($199), New Mexico Registered Agent.co ($199) and CT Registered Agent.org ($199), in that order. Mainstay Filing earns the top grade nationwide: $199 a year, the same in all fifty states, covers the formation, a registered agent and the yearly report, renewing at $199.

No.1

National leader

1. Mainstay Filing: best for a company in any state

Score9.3out of 10
Opening price $199, state fee separate, then $199 per year and includes the agent and the yearly report

Top grade nationwide, Mainstay Filing: $199 a year, the same in all fifty states, covers the formation, a registered agent and the yearly report, renewing at $199.

Its three-year outlay is $200 higher than New Mexico Registered Agent.co in New Mexico; the difference buys one account in every state and the yearly report filing.

What you get

  • Preparation and filing of the formation documents
  • A registered agent for the full year
  • The EIN application

Good

  • $199 in all fifty states
  • Renewal price does not change

Weak spots

  • A higher yearly price than a one-state agent
Visit Mainstay FilingPartner link. We may earn money if you buy.
Read the Mainstay Filing review
No.2

Best for New Mexico

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

Score9.1out of 10
Opening price $199, state fee separate, then $99 per year to retain the agent

Second grade, New Mexico Registered Agent.co: New Mexico formation at $199 plus the state fee, first agent year included, then $99 a year.

New Mexico is its home market, so it suits a company operating there.

What you get

  • The New Mexico formation, prepared and filed
  • Registered agent service in New Mexico for the first year

Good

  • Smaller renewal than the national pick
  • $99 at renewal
  • Papers served at the registered office are scanned for you

Weak spots

  • Serves New Mexico alone
  • The yearly report is not in the price
Visit New Mexico Registered Agent.coPartner link. We may earn money if you buy.
Read the New Mexico Registered Agent.co review
No.3

Best for Connecticut

3. CT Registered Agent.org: best for Connecticut businesses

Score8.8out of 10
$199 first, then $99 a year to retain the agent, state fee on top

Third grade, CT Registered Agent.org: Connecticut formation at $199 plus the state fee, first agent year included, then $99 a year.

Connecticut is its home market, so it suits a company operating there.

What you get

  • The Connecticut formation, prepared and filed
  • Registered agent service in Connecticut for the first year

Good

  • Lower from year two, at $99
  • Renews for $99 a year
  • Online scans of papers served on the company

Weak spots

  • One state only: Connecticut
  • Report filing is not included
Visit CT Registered Agent.orgPartner link. We may earn money if you buy.
Read the CT Registered Agent.org review

Summary of the 3 grades

RankServiceOur scoreService feeYear twoBest forLink
1Mainstay Filing9.3$199$199/yrBest for companies in all fifty statesVisit Mainstay FilingPartner link. We may earn money if you buy.
2New Mexico Registered Agent.co9.1$199$99/yrBest for New Mexico businessesVisit New Mexico Registered Agent.coPartner link. We may earn money if you buy.
3CT Registered Agent.org8.8$199$99/yrBest for Connecticut businessesVisit CT Registered Agent.orgPartner link. We may earn money if you buy.

The grades are editorial: Biz Formation Report assigns every mark out of 10 using the criteria on How we rank, not customer ratings.

LLC Service: three-year outlay at 2026 prices

ServiceYear oneYear twoYear threeThree-year total
Mainstay Filing$199$199$199$597
New Mexico Registered Agent.co$199$99$99$397
CT Registered Agent.org$199$99$99$397

Service fees as published by each company, read November 12, 2026. State services price their own state only, and every provider adds the state's filing fee at cost.

Why Mainstay Filing leads

Three-year bill and what the money buys each carry 32% of the grade. Renewal handling, local rules match and pricing openness make up the other 36%. In a nationwide report coverage carries the grade, and only one provider here works in every state at one price. New Mexico Registered Agent.co (New Mexico) and CT Registered Agent.org (Connecticut) cost less over three years in their home states, which earns them places two and three for businesses there.

Do you need an agent in every state?

Registered agent rules apply state by state: each state where a company is formed or registered requires its own agent on file. Minnesota, New York, Pennsylvania and West Virginia handle the requirement in their own way; see the state reports. A national provider keeps all renewals in one account. A state specialist can charge less, though only in its own state.

Rankings by state

Every state report compares Mainstay Filing with that state's own agents, using the state's fees, forms and deadlines. See every state report.

LLC Services: common questions

Which LLC services are best in 2026?

The 2026 report puts them in this order: Mainstay Filing, New Mexico Registered Agent.co and CT Registered Agent.org.

How much does a LLC service cost?

Providers in this report charge between $199 and $199, excluding the state fee.

Is there a single service for all states?

Mainstay Filing is the one. It works in all fifty states at a single price, and the two state services each cover only their home state.

Do the prices include state fees?

No. State filing fees are charged separately and every provider adds them at cost.

Why do single-state services appear in a nationwide report?

A company that operates in just one state can pay less for a local service than for a national plan. New Mexico Registered Agent.co is our pick for New Mexico businesses; CT Registered Agent.org for Connecticut businesses.

How were these providers graded?

By five weighted criteria, explained on How we rank: three-year bill, what the money buys, renewal handling, local rules match and pricing openness.

Read next

Source notes

  1. Pulled November 12, 2026: Mainstay Filing, pricing and service pages
  2. Pulled November 12, 2026: New Mexico Registered Agent.co, pricing and service pages
  3. Pulled November 12, 2026: CT Registered Agent.org, pricing and service pages