Skip to content
The Founders Review

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

Foreign registration · Texas

3 Best Foreign Registration Services in Texas (2026)

Our 2026 ranking of foreign registration services in Texas, in order: Mainstay Filing ($199), Texas Registered Agent.ai ($199) and TX Registered Agent.org ($199). Mainstay Filing wins on our method with $199 over the state fee, the first registered agent year included, then $149 a year.

Written by The Founders Review editorial team

Place1
Number one here

Mainstay Filing

1. Mainstay Filing: best for multi-state companies

$199 plus fees, then $149 a year
Our mark9.6out of 10

Mainstay Filing takes the top spot: one $199 service fee to register here or anywhere else, with year one of agent service included.

After year one the agent is $149 a year, in this state or any other.

Over three years it costs $100 more than Texas Registered Agent.ai, and we think the extra coverage earns that here.

What you get

  • Registration prepared and filed
  • Your registered agent, free for the first year
  • Service of process scanned the same business day, no fee

Why pick it

  • Registered agent free for the first year
  • Same price in all fifty states
  • $199 plus Texas's filing fee
  • Service of process scanned the same business day, no fee

Less good

  • $149 agent renewal, $50 above Texas Registered Agent.ai
Visit Mainstay FilingPartner link. We may earn money if you buy.Read our Mainstay Filing review
Place2
Best for a Texas-only company

Texas Registered Agent.ai

2. Texas Registered Agent.ai: best for Texas registration on a budget

$199 plus fees, then $99 a year
Our mark9.2out of 10

Texas Registered Agent.ai ranks second: $199 plus the state fee with a year of registered agent service included, then $99 a year for the agent.

You get a Texas street address for the registered office, and served papers are scanned to your account.

What you get

  • The registration filing
  • A year of registered agent service

Why pick it

  • $199 to register
  • A year of registered agent service included
  • Low $99 agent renewal

Less good

  • Texas only; home state needs its own agent
  • EIN help is $99
Visit Texas Registered Agent.aiPartner link. We may earn money if you buy.Read our Texas Registered Agent.ai review
Place3
Best value here

TX Registered Agent.org

3. TX Registered Agent.org: best for a local Texas filer

$199 plus fees, then $99 a year
Our mark8.9out of 10

In third place, TX Registered Agent.org: $199 plus the state fee with a year of registered agent service included, then $99 a year for the agent.

You get a Texas street address for the registered office, and served papers are scanned to your account.

Prices and features match Texas Registered Agent.ai exactly, so the two are close to interchangeable.

What you get

  • The registration filing
  • A year of registered agent service

Why pick it

  • A year of registered agent service included
  • Low $99 agent renewal
  • $199 to register

Less good

  • Texas only; home state needs its own agent
  • EIN help is $99
Visit TX Registered Agent.orgPartner link. We may earn money if you buy.Read our TX Registered Agent.org review

The 3 picks side by side

RankServiceOur scoreService feeYear twoBest forLink
1Mainstay Filing9.6$199$149/yrCompanies registered in several statesVisit Mainstay FilingPartner link. We may earn money if you buy.
2Texas Registered Agent.ai9.2$199$99/yrLowest agent renewal on this listVisit Texas Registered Agent.aiPartner link. We may earn money if you buy.
3TX Registered Agent.org8.9$199$99/yrLowest agent renewal on this listVisit TX Registered Agent.orgPartner link. We may earn money if you buy.

Editorial scores out of 10 from The Founders Review, using the criteria explained on How we rank. No customer ratings are involved.

Annual and renewal prices in Texas, 2026

ServiceYear oneYear twoYear threeThree-year totalAgent in year one
Mainstay Filing$199$149$149$497Free
Texas Registered Agent.ai$199$99$99$397Included
TX Registered Agent.org$199$99$99$397Included

We read these prices on the companies' own sites on November 12, 2026. Texas's registration fee ($750) is paid on top with every service and is left out of these totals.

Why this order

Our method scores three-year cost (30%) and what one price covers (30%) most heavily, then renewal terms, fit for the state and price clarity. Here the order came down to what one price covers.

Multi-state companies need agents in each state, and one price everywhere outscored Texas Registered Agent.ai.

More on the criteria: How we rank.

Texas foreign registration fee and form (official)

The filing is the Application for Registration of a Foreign Limited Liability Company (Form 304), made with the Texas Secretary of State for a $750 fee.

After registering, the company files the Public Information Report, due May 15.

Documents you need

  • Your legal name exactly as registered at home, and the formation date.
  • A Texas registered agent (any service here can serve).
  • The $750 state fee, paid with the filing.
  • A date in your calendar for the Public Information Report.

If you never register

Until it registers, the company cannot sue in Texas courts (BOC 9.051(b)). Its contracts stay valid (BOC 9.051(c)).

Common Texas questions

Do I need to register my out-of-state LLC in Texas?

Yes, if the company transacts business there. Until it registers it cannot bring a lawsuit in the state's courts.

How much does foreign registration cost in Texas?

The state charges $750; our picks add $199.

Which form does the state use?

The Application for Registration of a Foreign Limited Liability Company (Form 304), filed with the Texas Secretary of State.

Do I need a registered agent after registering?

Yes. Every LLC must name a registered agent with an in-state street address.

Which foreign registration services do you rank here?

Mainstay Filing ($199), Texas Registered Agent.ai ($199) and TX Registered Agent.org ($199), from first to last.

Which foreign registration service is best in Texas?

Mainstay Filing, because the Texas registration for $199 plus state fees and a free first year as your registered agent.

See also

Sources

  1. comptroller.texas.gov/taxes/publications/98-806.php (Texas yearly filing: Annual report, official source), last confirmed October 2026
  2. statutes.capitol.texas.gov/Docs/TX/htm/TX.171.htm (Texas report due date), last confirmed August 2026
  3. www.sos.texas.gov/corp/forms/806_boc.pdf (Tex. Bus. Orgs. Code § 3.005), last confirmed August 2026
  4. www.sos.texas.gov/corp/forms/401_boc.doc (Texas registered agent statute), last confirmed October 2026
  5. www.sos.state.tx.us/corp/foreignfaqs.shtml (Texas Secretary of State, foreign entities FAQ), last confirmed October 2026
  6. www.sos.state.tx.us/corp/instructions/304.shtml (Form 304 instructions), last confirmed October 2026
  7. statutes.capitol.texas.gov/Docs/BO/htm/BO.9.htm (Business Organizations Code, Chapter 9), last confirmed October 2026
  8. comptroller.texas.gov/taxes/franchise (Texas Comptroller, franchise tax), last confirmed October 2026
  9. tcss.legis.texas.gov/resources/BO/htm/BO.9.htm (Texas Business Organizations Code, Chapter 9), last confirmed November 2026
  10. Mainstay Filing Texas service page, read on November 12, 2026
  11. Texas Registered Agent.ai pricing and service pages, read on November 12, 2026
  12. TX Registered Agent.org pricing and service pages, read on November 12, 2026