3 Best LLC Services in Delaware (2026): Prices Tracked
For LLC formation services in Delaware this 2026, the order on the watchlist is Mainstay Filing ($199), DE Registered Agent.org ($199) and Delaware Registered Agent.ai ($199). The three-year total for services spans $397 to $597; the state's $110 to file is a separate charge.
Tracked by the Filing Price Watch editorial team
Ordered by:
Order = 37% cost, 29% filings covered, and three lighter measures (details)
The short version
Government fee to file$110delcode.delaware.gov (pulled October 2026, noted here)
Year-one prices$199Service fees alone
Years 1 to 3 combined$397 to $597Three years of provider charges
State side, years 1 to 3$910Left out of the ordering
Crossover yearNot within ten yearsRanking does not flip
What Delaware services charge
Services are ordered by value, and every price comes from a company page. The $110 state fee is kept outside the prices.
#Ordered byPrice in year 1Price at renewalThree-year spend
1
Top pick
1. Mainstay Filing: best for forming and maintaining under one price
$199 a year, renewing at the same $199
Price in year 1$199
Price after year 1$199/yr
Three-year spend$597
Mainstay Filing leads since $199 a year includes the annual tax and does not rise at renewal.
What it costs over DE Registered Agent.org is $200 by year three, and what it covers is why it ranks higher.
Delaware charges $400 for the Annual LLC Tax and the service passes that on without markup.
Price covers
Articles of organization, filed
Registered agent for the full year
Annual tax, filed when it is due
EIN application, prepared for you
State fee billed as is
Holds up
Stays at $199
Price does not rise at renewal ($199)
The EIN application is taken care of
Weak spots
DE Registered Agent.org renews for $100 less
2
Delaware only
2. DE Registered Agent.org: best for companies that never leave the state
$199 plus fees; renews at $99
Price in year 1$199
Price after year 1$99/yr
Three-year spend$397
DE Registered Agent.org places second. $199 in year one and $99 each year from then on.
Its price does not extend to the Annual LLC Tax.
Price covers
Formation handled for you
A year of agent service to begin with
Holds up
$199 for the filing
$99 a year from year two
First agent year included
Weak spots
Price leaves out the Annual LLC Tax
It charges $99 for the EIN application
3
Delaware only
3. Delaware Registered Agent.ai: best for another in-state option
$199 plus fees; renews at $99
Price in year 1$199
Price after year 1$99/yr
Three-year spend$397
Delaware Registered Agent.ai places third. $199 in year one and $99 each year from then on.
Its price does not extend to the Annual LLC Tax.
Price for price, it matches DE Registered Agent.org.
Three years of state charges means one filing, two reports and any minimum tax. We list open-ended costs such as publication but keep them out of the total.
The reasoning behind the order
Mainstay Filing wins on filings covered by the price, a 29% measure, with DE Registered Agent.org close behind.
DE Registered Agent.org costs less over three years but you would still file the Annual LLC Tax.
Need the EIN application? The lines meet in year 2, as Mainstay Filing moves past DE Registered Agent.org.
Delaware LLC filing fee and requirements, as written by the state
The LLC exists once the Delaware Secretary of State takes the Certificate of Formation of a Limited Liability Company and the $110. Every LLC must name a registered agent with an in-state street address.