The simple route · Delaware

3 Best LLC Services in Delaware (2026): Where to Start

In Delaware for 2026, compare Delaware Registered Agent.ai ($199), DE Registered Agent.org ($199) and Mainstay Filing ($199), ranked best first. Expect the state fee of $110 plus $397 to $597 in service fees over three years.

Written by the Simple Filing Guide editorial team Checked and updated November 13, 2026

Start here

Formation fee: $110, at filing
Upkeep: $400 each twelve months
Registered agent: Required
Our shortlist: Delaware Registered Agent.ai, DE Registered Agent.org then Mainstay Filing

Delaware: the ranking

Prices come from each company's own page. Read how we rank for the method.

#1 First recommendation

1. Delaware Registered Agent.ai: best for a small first-year bill

Formation $199, agent renewal $99, state fee extra

Start with Delaware Registered Agent.ai in Delaware: forming costs $199, the agent is covered in year one, and then $99 a year.

Over three years you pay less here than at Mainstay Filing, and cost counts most in our ranking.

Leave time for the Annual LLC Tax, since it is not included.

Checklist: what is included

Articles filed on your behalf
No agent charge in year one

What works

A free agent year at the start
Formation fee of $199
Then $99 annually

Gaps

You must handle the Annual LLC Tax
EIN help is a $99 extra

Open Delaware Registered Agent.ai Partner link. We may earn money if you buy.

#2 In-state option

2. DE Registered Agent.org: best for a low agent renewal

Formation $199, agent renewal $99, state fee extra

DE Registered Agent.org is second, because forming costs $199, the agent is covered in year one, and then $99 a year.

Leave time for the Annual LLC Tax, since it is not included.

Price for price it ties with Delaware Registered Agent.ai.

Checklist: what is included

Articles filed on your behalf
No agent charge in year one

What works

A free agent year at the start
Formation fee of $199
Then $99 annually

Gaps

You must handle the Annual LLC Tax
EIN help is a $99 extra

Open DE Registered Agent.org Partner link. We may earn money if you buy.

#3 National coverage

3. Mainstay Filing: best for owners who want upkeep handled

$199 a year, with the $110 state fee added

In third place, Mainstay Filing, where a single price of $199 a year includes the formation, the registered agent and each annual tax.

Delaware Registered Agent.ai is $200 lower across three years, which is enough to rank above it.

It files your Annual LLC Tax and passes along the state's $400 at cost.

Checklist: what is included

State filing handled
Registered agent for twelve months
Annual tax prepared and submitted
Help with your EIN
State fees passed through at cost

What works

EIN application included in the price
No jump at renewal ($199)
Single yearly fee: $199

Gaps

Delaware Registered Agent.ai undercuts its renewal by $100

Open Mainstay Filing Partner link. We may earn money if you buy.

Cost check

#	Pick	Year-one cost	Yearly after	Total for 3 years	Included
1	Delaware Registered Agent.ai	$199	$99/yr	$397	articles filed on your behalf; no agent charge in year one	Open Delaware Registered Agent.ai Partner link. We may earn money if you buy.
2	DE Registered Agent.org	$199	$99/yr	$397	articles filed on your behalf; no agent charge in year one	Open DE Registered Agent.org Partner link. We may earn money if you buy.
3	Mainstay Filing	$199	$199/yr	$597	state filing handled; registered agent for twelve months; annual tax prepared and submitted	Open Mainstay Filing Partner link. We may earn money if you buy.

These are service fees only, taken from each company's prices on November 13, 2026. State fees stay the same with every pick.

Questions to settle

How much should I budget to form an LLC here?

Set aside $110 for the filing and $199 for help.

State fees for the first three years add up to $910. verify at delcode.delaware.gov, as of October 2026

Which form do I file, and where does it go?

Submit the Certificate of Formation of a Limited Liability Company to the Delaware Secretary of State and wait for approval.

Read the rule: 6 Del. C. § 18-201. verify at delcode.delaware.gov, as of October 2026

Does this state require a registered agent?

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

The LLC itself, a Delaware resident, or a business entity formed in Delaware or authorized to do business there.

verify at delcode.delaware.gov, as of October 2026

What do I do after the LLC is formed?

File the Annual LLC Tax once a year. The fee is $400. The state's due date reads: annual alternative-entity tax due on or before June 1. Note it early.

The state charges $200 for a late filing.

verify at legis.delaware.gov, as of October 2026

Is it possible to do this without a service?

It is allowed, and doing it yourself keeps the three-year cost at $910.

The $397 to $597 that services charge over three years pays for the paperwork and the agent role.

Why is number one first?

Delaware Registered Agent.ai is strongest on total for three years, and that decides it.

Five checks set the order: total for three years (37%), filing jobs included (27%), clear price information (13%), year-two price (12%) and state coverage (11%).

Compare the totals: Delaware Registered Agent.ai runs $397 for three years, $200 below Mainstay Filing.

Read the method

Delaware: formation requirements, cited

Item	What to know	Where it is from
Fee at filing	$110	verify at delcode.delaware.gov, as of October 2026
Registered agent	Required	verify at delcode.delaware.gov, as of October 2026
Annual LLC Tax	$400 every year	verify at legis.delaware.gov, as of October 2026
State fees across three years	$910	Rows above, added up

Every amount above links to its official source. The last row is our own total of the filing, two reports and any minimum tax, without variable costs like publication.

Also asked

What about the EIN?

Budget $99 for Delaware Registered Agent.ai or $99 for DE Registered Agent.org to get an EIN, and nothing extra at Mainstay Filing.

Is there a late fee?

The state charges $200 if you are late.

What do the picks cost over three years?

Three-year costs: Delaware Registered Agent.ai, $397; DE Registered Agent.org, $397; Mainstay Filing, $597, with state fees on top.

Are the fees official?

For state costs we use Delaware's published fee schedules and forms. For service costs we use each company's price page.

Do I need to hire a service?

No. A service charges for labor and the agent role, not for anything the state demands.

Which LLC service should I start with in Delaware?

Delaware Registered Agent.ai leads on total for three years, ahead of DE Registered Agent.org and Mainstay Filing.

Sources and price pages

Delaware yearly filing: Recurring obligation [corp.delaware.gov] last confirmed October 2026
Delaware yearly filing: Recurring obligation [corp.delaware.gov] last confirmed October 2026
Delaware yearly filing: HB 400 [legis.delaware.gov] last confirmed October 2026
Delaware report due date [delcode.delaware.gov] last confirmed August 2026
6 Del [delcode.delaware.gov] last confirmed August 2026
Delaware registered agent statute [delcode.delaware.gov] last confirmed October 2026
Delaware Registered Agent.ai, pricing page: prices as of November 13, 2026
DE Registered Agent.org, pricing page: prices as of November 13, 2026
Mainstay Filing, Delaware service page: prices as of November 13, 2026