3 Best Foreign Registration Services in Delaware (2026): Prices Tracked
Delaware watchlist, 2026: DE Registered Agent.org ($199), Mainstay Filing ($199) and Delaware Registered Agent.ai ($199) lead the foreign registration services, best value first. The registration fee in Delaware is $200 for everyone. Service charges come to $397 to $497 over three years.
Tracked by the Filing Price Watch editorial team
Ordered by:
Ordered by five tracked measures, led by cost at 37% and filings covered at 29%
#Ordered byPrice in year 1Price at renewalThree-year spend
1
First place
1. DE Registered Agent.org: best for the smallest agent bill
$199 on top of Delaware's $200; renews at $99
Price in year 1$199
Price after year 1$99/yr
Three-year spend$397
In Delaware, DE Registered Agent.org is the best value because $199 on top of the state fee, with the first agent year included, followed by $99 each year.
On the heaviest measure, three-year cost, it beats Mainstay Filing.
Price covers
Registration done for you
A year of agent service to begin with
Holds up
Agent included to start
Then $99 a year
$199 to register
Weak spots
Delaware only, so the home state needs its own agent
2
National
2. Mainstay Filing: best for registering over and over
$199 on top of Delaware's $200; renews at $149
Price in year 1$199
Price after year 1$149/yr
Three-year spend$497
Spot 2 goes to Mainstay Filing: $199 on top of what Delaware charges, then $149 a year for the agent.
Its three-year total is $100 above DE Registered Agent.org, and cost is 37% of the order.
Agent service from year two: $149 a year, in any state.
Price covers
Registration sent to the state office
Registered agent is free in year one
Service in all fifty states
Holds up
$199 added to Delaware's fee
Agent service for the first year is included
One price in every state
Weak spots
$50 above DE Registered Agent.org at renewal
3
Local pick
3. Delaware Registered Agent.ai: best for a modest agent renewal
$199 on top of Delaware's $200; 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 on top of the state fee, with the first agent year included, followed by $99 each year.
Both the first-year and renewal prices equal DE Registered Agent.org's.
Price covers
Registration done for you
A year of agent service to begin with
Holds up
Agent included to start
$199 to register
Then $99 a year
Weak spots
Delaware only, so the home state needs its own agent
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.
Notes on the ranking
DE Registered Agent.org wins on tracked three-year cost, a 37% measure, with Mainstay Filing close behind.
For DE Registered Agent.org, three years add up to $397, a saving of $100 against Mainstay Filing.
Delaware foreign LLC registration fee and rules, as written by the state
To register: the Certificate of Registration of a Foreign Limited Liability Company to the Delaware Department of State, Division of Corporations, with $200. Send along certificate of existence from the jurisdiction of formation no more than 180 days.
Skipping the registration may bring no access to Delaware courts as plaintiff (6 Del. C. 18-907(a)).
From the source: corp.delaware.gov (pulled October 2026, noted here)
The do-it-yourself total
$1,000 in state fees is the lowest the three years can cost. The list shows what each service puts on top ($397 to $497).
Short answers
How much does it cost to register a foreign LLC with Delaware?
$200 in state fees, plus $199 if you pay a service for year one.
What do these services cost over three years?
By year three these services have cost $397 to $497.
What form registers the LLC?
The registration is Certificate of Registration of a Foreign Limited Liability Company, filed with the Delaware Department of State, Division of Corporations.
Does Delaware ask for a certificate from the home state?
Yes, no more than 180 days old: certificate of existence from the jurisdiction of formation.
What recurring filing comes after registration?
It is the Annual LLC tax, at $400.
In what year does one service become pricier than another?
Within a decade the totals never swap places.
Which foreign registration service is the best value for Delaware?
On our five measures the Delaware order is DE Registered Agent.org, Mainstay Filing and Delaware Registered Agent.ai, with DE Registered Agent.org ahead on tracked three-year cost.