Kept simple · Delaware
3 Best LLC Services in Delaware (2026): Simply Ranked
The short version
- Filing fee
- $110, paid once
- Afterward
- $400 yearly
- Registered agent
- Required: yes
- Our pick
- Mainstay Filing, DE Registered Agent.org then Delaware Registered Agent.ai
Delaware: the order
Why this order? The checks are explained here.1. Mainstay Filing: best for handing off upkeep
Annual price $199, renewal price $199. State fee extra
First place: Mainstay Filing, since the annual tax is filed within the $199 annual price, along with formation and the registered agent.
Over three years this costs $200 more than DE Registered Agent.org. More filings are handled for you.
The Annual LLC Tax is filed for you. Delaware still charges $400, billed at cost.
Includes
- The formation filing
- Registered agent all year
- Annual tax prepared and filed
- EIN application filed
- State fees at cost
Good
- EIN handled
- Renews at $199
- One fee: $199 a year
Against
- Pays $100 more each year than DE Registered Agent.org
2. DE Registered Agent.org: best for a one-state LLC
Form for $199. Renew at $99
DE Registered Agent.org ranks second. $199 forms the LLC, and the agent renews at $99.
The Annual LLC Tax is not included. You file it.
Includes
- The LLC, filed
- Agent for year one
Good
- A free agent year at the start
- $199 plus the state fee to form
- Agent renews at $99
Against
- Your own task list gains the Annual LLC Tax
- EIN not included ($99)
3. Delaware Registered Agent.ai: best for single-state companies
Form for $199. Renew at $99
Delaware Registered Agent.ai ranks third. $199 forms the LLC, and the agent renews at $99.
The Annual LLC Tax is not included. You file it.
Price for price, a tie with DE Registered Agent.org.
Includes
- The LLC, filed
- Agent for year one
Good
- A free agent year at the start
- Agent renews at $99
- $199 plus the state fee to form
Against
- Your own task list gains the Annual LLC Tax
- EIN not included ($99)
Side by side
| # | Company | Year one | Renewal | Three years | Includes | |
|---|---|---|---|---|---|---|
| 1 | Mainstay Filing | $199 | $199/yr | $597 | the formation filing; registered agent all year; annual tax prepared and filed | Visit Mainstay FilingPartner link. We may earn money if you buy. |
| 2 | DE Registered Agent.org | $199 | $99/yr | $397 | The LLC, filed; agent for year one | Visit DE Registered Agent.orgPartner link. We may earn money if you buy. |
| 3 | Delaware Registered Agent.ai | $199 | $99/yr | $397 | The LLC, filed; agent for year one | Visit Delaware Registered Agent.aiPartner link. We may earn money if you buy. |
The facts
How much to start an LLC in this state?
$110 to the state. $199 more if a service files for you.
With the recurring report, state fees reach $910 in three years. from delcode.delaware.gov, October 2026, kept short
What do I file?
You submit one filing, the Certificate of Formation of a Limited Liability Company, to the Delaware Secretary of State.
Law: 6 Del. C. § 18-201. from delcode.delaware.gov, October 2026, kept short
Is a registered agent required?
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.
from delcode.delaware.gov, October 2026, kept short
What is owed later?
The Annual LLC Tax comes each year and costs $400. In the state's words the filing is due annual alternative-entity tax due on or before June 1. Note it early.
The state's late fee is $200.
from legis.delaware.gov, October 2026, kept short
Is a service required?
Yes. Filing yourself costs the state's fees only: $910 over three years.
A service adds $397 to $597 over three years. With Mainstay Filing the reports are included.
What put the first pick first?
On work included (27%), Mainstay Filing leads.
65% of the score is three-year cost and work included.
The Annual LLC Tax falls due every year in Delaware. Only the first pick files it.
What Delaware requires to form an LLC
| Requirement | Rule or amount | Source |
|---|---|---|
| Fee to form | $110 | from delcode.delaware.gov, October 2026, kept short |
| Registered agent | Required: yes | from delcode.delaware.gov, October 2026, kept short |
| Annual LLC Tax | $400 every year | from legis.delaware.gov, October 2026, kept short |
| State fees, three years | $910 | The rows above, added |
Questions
Is the EIN application included?
Add-on prices for the EIN application: $99 from DE Registered Agent.org, $99 from Delaware Registered Agent.ai. Mainstay Filing includes it.
What if the report is late?
The late fee is $200.
What are the three-year totals?
Mainstay Filing is $597, while DE Registered Agent.org is $397, while Delaware Registered Agent.ai is $397, services only.
Are the fees official?
Every state fee links to its official page. Every service price comes from the company's own site.
Must I use a service?
No law requires a service. It is a paid convenience.
Which ranks first in Delaware?
Mainstay Filing, because for $199 a year it handles formation, the registered agent and the annual tax. Then DE Registered Agent.org and Delaware Registered Agent.ai.
References
- Entry for Delaware yearly filing: Recurring obligation: read at corp.delaware.gov, dated October 2026, kept short on purpose
- Entry for Delaware yearly filing: Recurring obligation: read at corp.delaware.gov, dated October 2026, kept short on purpose
- Entry for Delaware yearly filing: HB 400: read at legis.delaware.gov, dated October 2026, kept short on purpose
- Entry for Delaware report due date: read at delcode.delaware.gov, dated August 2026, kept short on purpose
- Entry for 6 Del: read at delcode.delaware.gov, dated August 2026, kept short on purpose
- Entry for Delaware registered agent statute: read at delcode.delaware.gov, dated October 2026, kept short on purpose
- Mainstay Filing Delaware service page, read November 13, 2026
- DE Registered Agent.org pricing page, read November 13, 2026
- Delaware Registered Agent.ai pricing page, read November 13, 2026