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Formation Rated

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

Registered agent ratings · Delaware

3 Best Registered Agents in Delaware (2026)

From the Formation Rated editorial team
Formation Rated's 2026 ratings for registered agents in Delaware, highest first: Mainstay Filing ($149 a year), DE Registered Agent.org ($99 a year) and Delaware Registered Agent.ai ($99 a year). Mainstay Filing holds the top rating: $149 for a plan that applies in every state, $149 on renewal.
Position1
Number one here

1. Mainstay Filing: best for any state

$149 a year, level on renewal

Our score9.5out of 10

Mainstay Filing is rated first: $149 yearly for an agent that stays with the company if it moves or expands, plus free scans of the first three government mailings each year.

Company not formed yet? Mainstay's $199-a-year package puts the Delaware filing and the annual tax on one line.

On three-year sums Mainstay is $150 above DE Registered Agent.org; the wider coverage justifies that gap in the rating.

What you get

  • A street address in the state on the public record
  • Same-business-day scanning of served papers, at no cost
  • Free scans of the first three government mailings each year
  • Compliance reminders

Pros

  • Government mail scanned free, first three pieces a year
  • Same-business-day scans of service of process, no fee
  • $149 a year, level on renewal
  • Accepts LLCs, corporations, LPs, LLPs and nonprofits

Trade-offs

  • Agent alone is $50 a year above DE Registered Agent.org
  • On the agent plan you file your own annual report
Visit Mainstay FilingPartner link. We may earn money if you buy. The Mainstay Filing entry
Position2
Best local option

2. DE Registered Agent.org: best for the lowest yearly amount on this list

$99 a year, level on renewal

Our score9.1out of 10

DE Registered Agent.org is rated second: a Delaware specialist at $99 a year, providing an in-state registered office street address.

DE Registered Agent.org provides the registered office address inside the state and uploads scans of whatever is served there.

What you get

  • A physical street address in the state
  • Legal papers served on the company reach you as online scans

Pros

  • Yearly amount under Mainstay Filing's
  • $99 a year, level on renewal
  • Also forms LLCs and includes the first agent year

Trade-offs

  • The Annual LLC Tax remains your own filing
  • Delaware only; other states need another agent
Visit DE Registered Agent.orgPartner link. We may earn money if you buy. The DE Registered Agent.org entry
Position3
Built for Delaware

3. Delaware Registered Agent.ai: best for businesses in Delaware

$99 a year, level on renewal

Our score9.0out of 10

Delaware Registered Agent.ai is rated third: a Delaware specialist at $99 a year, providing an in-state registered office street address.

Delaware Registered Agent.ai supplies the state street address for the registered office and posts scans of served papers to your account.

DE Registered Agent.org and Delaware Registered Agent.ai list identical amounts and plan features, so the ratings are close and either is a fair pick.

What you get

  • The in-state address the state requires on file
  • Scans of legal papers served on the company, posted online

Pros

  • Also forms LLCs and includes the first agent year
  • A smaller yearly line than Mainstay Filing
  • $99 annually, no renewal increase

Trade-offs

  • The Annual LLC Tax remains your own filing
  • Delaware only; other states need another agent

The 3 ratings summarized

LineServiceRatingYearly amountRenewal amountBest forOpen
1 Mainstay Filing 9.5 $149 $149/yr A single agent in any state Visit Mainstay FilingPartner link. We may earn money if you buy.
2 DE Registered Agent.org 9.1 $99 $99/yr The lowest yearly price we rank here Visit DE Registered Agent.orgPartner link. We may earn money if you buy.
3 Delaware Registered Agent.ai 9.0 $99 $99/yr The lowest yearly price we rank here Visit Delaware Registered Agent.aiPartner link. We may earn money if you buy.
Ratings out of 10 are Formation Rated's own, built from the criteria on How we rank. They are not customer ratings.

Delaware registered agent amounts for 2026: year one, renewal and three-year sum

ServiceYear oneYear twoYear threeThree-year sumSame amount on renewal
Mainstay Filing$149$149$149$447Yes
DE Registered Agent.org$99$99$99$297Yes
Delaware Registered Agent.ai$99$99$99$297Yes
Each amount was read from the company's own site on November 12, 2026. Delaware's own fees are identical for every agent named.

Reasoning behind the order

Inclusions per price decided the order in Delaware. Of the rating, 27% is cost over years one to three, 27% is inclusions per price and 46% is renewal price and terms, fit with state rules and price clarity.

Mainstay's agent plan rates higher on coverage: served papers are scanned the same business day at no fee, one amount applies in all fifty states and three government mailings a year are scanned free. DE Registered Agent.org is the cheaper line, and the gap is narrow.

Each criterion and its weight is listed on How we rank.

Delaware registered agent requirements per 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. Authority cited: 6 Del. C. § 18-104.

The Delaware Annual LLC Tax: amount, date and agent

Delaware LLCs owe the Annual LLC Tax every year, due annual alternative-entity tax due on or before June 1. Amount: $400. Late filing adds $200. The state sends notices about it to your registered agent.

Delaware registered agent: your questions

Does a Delaware LLC need to appoint a registered agent?

It does. Delaware treats a registered agent as a standing requirement, and the agent needs a street address within the state.

What is the yearly price of a registered agent in Delaware?

Yearly amounts run $99 to $149, and each holds on renewal.

Is it permitted to be your own registered agent?

Yes, when the state's conditions are met. The LLC itself, a Delaware resident, or a business entity formed in Delaware or authorized to do business there.

On what date is the Delaware Annual LLC Tax due?

Due annual alternative-entity tax due on or before June 1. Fee: $400. Late penalty: $200.

Which registered agents are rated on this page?

Mainstay Filing ($149 a year), DE Registered Agent.org ($99 a year) and Delaware Registered Agent.ai ($99 a year), highest rated first.

Which Delaware registered agent has the best value rating?

Mainstay Filing, as $149 a year, level on renewal, with papers served on the company scanned the same business day at no fee.

Source lines

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