Place1
Our top pick in DelawareMainstay Filing
1. Mainstay Filing: best for formation, agent and annual tax in one price
$199 a year plus the state fee; $309 due today
Our mark9.6out of 10
Top of our list: Mainstay Filing, for the Delaware formation, your registered agent and the annual tax all sit under one $199 yearly price.
Each year Mainstay prepares and files the Annual LLC Tax, passing the $400 state fee through at cost; filing late in Delaware costs $200.
Over three years it costs $200 more than DE Registered Agent.org, and we think the extra coverage earns that here.
What you get
- Formation prepared and filed
- Your registered agent, all year
- Your annual tax prepared and filed
- EIN application
Why pick it
- Same $199 at renewal
- Delaware state fee passed through at cost
- EIN application included
- All-in at $199 a year
Less good
- Renews at $100 a year more than DE Registered Agent.org's agent
Place2
Best value hereDE Registered Agent.org
2. DE Registered Agent.org: best for budget Delaware formation
$199 up front, $99 a year from year two
Our mark9.1out of 10
In second place, DE Registered Agent.org: a $199 formation fee over the state's own, then $99 a year for the agent.
Its plan gives you an in-state street address for the registered office, and legal documents served on the company are scanned and sent to you online.
You handle the Annual LLC Tax on your own every year; it is not in the price.
What you get
- Formation prepared and filed
- First year of registered agent service
Why pick it
- First year of registered agent service included
- Low $99 renewal
- Formation fee $199
Less good
- You file the Annual LLC Tax
- $99 extra for the EIN application
Place3
Best value hereDelaware Registered Agent.ai
3. Delaware Registered Agent.ai: best for local Delaware formation
$199 up front, $99 a year from year two
Our mark8.9out of 10
Third: Delaware Registered Agent.ai, for a $199 formation fee over the state's own, then $99 a year for the agent.
Its plan gives you an in-state street address for the registered office, and legal documents served on the company are scanned and sent to you online.
You handle the Annual LLC Tax on your own every year; it is not in the price.
Prices and features match DE Registered Agent.org exactly, so the two are close to interchangeable.
What you get
- Formation prepared and filed
- First year of registered agent service
Why pick it
- First year of registered agent service included
- Low $99 renewal
- Formation fee $199
Less good
- You file the Annual LLC Tax
- $99 extra for the EIN application
3 picks compared
| Rank | Service | Our score | Service fee | Year two | Best for | Link |
|---|
| 1 | Mainstay Filing | 9.6 | $199 | $199/yr | Formation, agent and annual tax in one price | Visit Mainstay FilingPartner link. We may earn money if you buy. |
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| 2 | DE Registered Agent.org | 9.1 | $199 | $99/yr | A Delaware-only LLC on a budget | Visit DE Registered Agent.orgPartner link. We may earn money if you buy. |
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| 3 | Delaware Registered Agent.ai | 8.9 | $199 | $99/yr | A Delaware-only LLC on a budget | Visit Delaware Registered Agent.aiPartner link. We may earn money if you buy. |
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The Founders Review sets these scores itself from the five criteria on our method page; they are not user ratings.
Delaware pricing for 2026: what each service costs
| Service | Year one | Year two | Year three | Three-year total | Annual LLC Tax filed for you |
|---|
| Mainstay Filing | $199 | $199 | $199 | $597 | Yes |
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| DE Registered Agent.org | $199 | $99 | $99 | $397 | No |
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| Delaware Registered Agent.ai | $199 | $99 | $99 | $397 | No |
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Service fees as published on each company's own pages, read November 12, 2026. Every service adds Delaware's $110 fee, so it is left out above.
How the order was decided
What one price covers decided this page. It is one of our two 30% criteria, alongside three-year cost.
DE Registered Agent.org costs less, but the Annual LLC Tax filing in Mainstay's price earned it the higher coverage score.
Our method page lists all five criteria.
What forming an LLC in Delaware costs (2026)
The state fee is $110, paid to the Delaware Secretary of State with the Certificate of Formation of a Limited Liability Company (6 Del. C. § 18-201). Each service adds it at cost.
Keeping a Delaware LLC in good standing
The Annual LLC Tax comes every year, due annual alternative-entity tax due on or before June 1, with a $400 state fee. Filing late adds $200. Every LLC must name a registered agent with an in-state street address.
LLC services in Delaware: questions
How much does it cost to form an LLC in Delaware?
Budget $110 for the state and $199 for the service.
What form creates the LLC?
The Certificate of Formation of a Limited Liability Company, filed with the Delaware Secretary of State.
Do I need a registered agent for a Delaware LLC?
Every LLC must name a registered agent with an in-state street address.
What yearly filings does a Delaware LLC have?
The Annual LLC Tax, every year, due annual alternative-entity tax due on or before June 1, with a $400 state fee.
Is the EIN application included?
Mainstay Filing's yearly price includes it. DE Registered Agent.org and Delaware Registered Agent.ai charge $99 for it. The IRS itself charges no fee for an EIN.
Which LLC service is best in Delaware?
On our method, Mainstay Filing: a single $199 price each year covers the filing, the agent and the annual tax.