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Filing Verdict

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

Registered agent verdict · Delaware

3 Best Registered Agents in Delaware (2026)

Filing Verdict's 2026 verdict on registered agents in Delaware: Mainstay Filing ($149 a year), Delaware Registered Agent.ai ($99 a year) and DE Registered Agent.org ($99 a year), in that order. Mainstay Filing takes first place: $149 a year whether the company stays put or expands, and the first three government mailings each year are scanned free.
The Filing Verdict editorial team
Our top pick in Delaware
Spot 1

1. Mainstay Filing: best for all fifty states

$149 per year, flat

9.5Editorial score
out of 10

Mainstay Filing wins here: $149 a year, unchanged at renewal, with papers served on the company scanned the same business day at no charge.

New company? Mainstay's formation package at $199 a year adds the Delaware filing and the annual tax.

The three-year bill is $150 higher than Delaware Registered Agent.ai's, and the wider coverage is worth that to us.

What you get

  • A street address in the state, on the public record
  • Service of process scanned and uploaded on the day it arrives, at no cost
  • The first three government mailings each year scanned free
  • Compliance reminders

What we like

  • Same-business-day scans of served papers, free
  • Three government mailings a year scanned free
  • $149 a year, unchanged at renewal
  • Serves LLCs, corporations, LPs, LLPs and nonprofits

Cons

  • The agent alone runs $50 a year above Delaware Registered Agent.ai
  • Report filing is a formation-package feature, not part of the agent plan
Visit Mainstay FilingPartner link. We may earn money if you buy. Our full Mainstay Filing verdict
Best local option
Spot 2

2. Delaware Registered Agent.ai: best for the lowest yearly fee on this list

$99 per year, flat

9.1Editorial score
out of 10

Second place goes to Delaware Registered Agent.ai: $99 a year, flat, with served legal papers scanned and sent to you online.

Delaware Registered Agent.ai supplies the registered office street address and scans served legal papers into your account.

What you get

  • The in-state street address the state requires
  • Scans of any served legal papers, available in your online account

What we like

  • $99 annually, flat at renewal
  • Beats Mainstay Filing on yearly price
  • LLC formation available, first agent year free

Cons

  • The Annual LLC Tax filing is yours to handle
  • Built for Delaware; other states need a separate agent
Visit Delaware Registered Agent.aiPartner link. We may earn money if you buy. Our full Delaware Registered Agent.ai verdict
Local Delaware agent
Spot 3

3. DE Registered Agent.org: best for Delaware specialists

$99 per year, flat

8.9Editorial score
out of 10

Third place goes to DE Registered Agent.org: $99 a year, flat, with served legal papers scanned and sent to you online.

Your registered office address comes from DE Registered Agent.org, and legal papers served there are scanned to your online account.

Nothing in the published prices or features divides Delaware Registered Agent.ai from DE Registered Agent.org; pick either.

What you get

  • An in-state street address on the public record
  • Papers served on the company are scanned and posted to your online account

What we like

  • LLC formation available, first agent year free
  • $99 a year, no change at renewal
  • Cheaper per year than Mainstay Filing

Cons

  • The Annual LLC Tax filing is yours to handle
  • Built for Delaware; other states need a separate agent
Visit DE Registered Agent.orgPartner link. We may earn money if you buy. Our full DE Registered Agent.org verdict

The 3 verdicts at a glance

No.ServiceVerdict scoreYearly priceRenewalBest forVisit
1Mainstay Filing9.5$149$149/yrAn agent that works in all fifty states Visit Mainstay FilingPartner link. We may earn money if you buy.
2Delaware Registered Agent.ai9.1$99$99/yrThe lowest yearly price we rank here Visit Delaware Registered Agent.aiPartner link. We may earn money if you buy.
3DE Registered Agent.org8.9$99$99/yrThe lowest yearly price we rank here Visit DE Registered Agent.orgPartner link. We may earn money if you buy.
Scores come from Filing Verdict's editors, out of 10, using the criteria explained on How we rank; they are not customer ratings.

Delaware registered agent prices for 2026: year one, renewals and three years

ServiceYear 1Year 2Year 3Total, 3 yearsRenewal price unchanged
Mainstay Filing$149$149$149$447Yes
Delaware Registered Agent.ai$99$99$99$297Yes
DE Registered Agent.org$99$99$99$297Yes
Prices were read from each company's own pages on November 12, 2026. Delaware's fees do not depend on which agent you choose.

How the order was set

Two criteria lead Filing Verdict's method at 35% apiece: total over three years and paperwork the price handles. Renewal behavior, match to the state and up-front pricing share the other 30%, and Delaware came down to paperwork the price handles.

Mainstay's agent plan covers more: papers served on the company are scanned the same business day at no fee, one price applies in all fifty states and three government mailings a year are scanned free. Delaware Registered Agent.ai costs less, and the two finish close.

The full list of criteria and weights is on How we rank.

Delaware registered agent requirements, from Delaware Secretary of State (official)

Every LLC must name a registered agent with an in-state street address. The address has to be a registered office in Delaware. An entity agent keeps a business office there that is generally open; an individual agent has to be generally present there. A virtual office or mail-forwarding service alone does not qualify. Citation: 6 Del. C. § 18-104.

Delaware Annual LLC Tax: what it costs and when it is due

Every Delaware LLC owes the Annual LLC Tax every year. The state fee is $400, due annual alternative-entity tax due on or before June 1. A late filing adds $200. Notices about it go to your registered agent.

Delaware registered agent: questions answered

Must a Delaware LLC have a registered agent?

Yes. Delaware requires every LLC to keep a registered agent on file, and the agent needs a street address in the state.

What do Delaware registered agents charge each year?

The prices run $99 to $149 a year, and every service keeps its price at renewal.

May I act as my own registered agent?

Only if you meet the state's conditions. The LLC itself, a Delaware resident, or a business entity formed in Delaware or authorized to do business there.

What is the due date for the Delaware Annual LLC Tax?

Due annual alternative-entity tax due on or before June 1; the state fee is $400. Filing late adds $200.

Which registered agents are ranked on this page?

Mainstay Filing ($149 a year), Delaware Registered Agent.ai ($99 a year) and DE Registered Agent.org ($99 a year), from first place to last.

Which registered agent is the best value in Delaware?

Mainstay Filing, because one $149 agent plan that follows the company into every state, renewing at $149.

Related pages

Sources and dates

  1. Delaware yearly filing: Recurring obligation, official source, confirmed October 2026
  2. Delaware yearly filing: Recurring obligation, official source, confirmed October 2026
  3. Delaware yearly filing: HB 400, official source, confirmed October 2026
  4. Delaware report due date, confirmed August 2026
  5. 6 Del. C. § 18-201, confirmed August 2026
  6. Delaware registered agent statute, confirmed October 2026
  7. Checked November 12, 2026: Mainstay Filing, Delaware service page
  8. Checked November 12, 2026: Delaware Registered Agent.ai, pricing and service pages
  9. Checked November 12, 2026: DE Registered Agent.org, pricing and service pages