2 Best Foreign Registration Services in Washington (2026): Prices Tracked
The best-value foreign registration services for Washington in 2026 are Mainstay Filing ($199) and WA Registered Agent.org ($199), ranked in that order. $180 goes to the state however you file; the service side adds $397 to $497 over three years.
Tracked by the Filing Price Watch editorial team
Ordered by:
Cost is 37% of the order and filings covered are 29% (tracking method)
Prices on the watchlist
Foreign filing fee at the state office$180sos.wa.gov (pulled October 2026, noted here)
First-year price range$199Excludes government fees
Years 1 to 3 combined$397 to $497Year one and both renewals
State fees by year three$320Official figures only
Break-evenNeverSame order for ten years
Washington: best value first
Each entry shows year one, the price from year two and the three-year total. Washington's $180 is added to any of them.
#Ordered byPrice in year 1Price at renewalThree-year spend
1
Best value
1. Mainstay Filing: best for one fee in any state
$199 for registration, $149 for the agent after that
Price in year 1$199
Price after year 1$149/yr
Three-year spend$497
First on the watchlist is Mainstay Filing. $199 on top of what Washington charges, then $149 a year for the agent.
Spend $100 more than at WA Registered Agent.org across three years and the repeating filings are no longer yours.
Agent service from year two: $149 a year, in any state.
Price covers
Registration handled for you
Registered agent is free in year one
The same fee in every state
Holds up
The first agent year is paid
$199 on top of the state's fee
The fee does not change by state
Weak spots
$50 more each year for the agent
2
Washington only
2. WA Registered Agent.org: best for a lone extra state
$199 for registration, $99 for the agent after that
Price in year 1$199
Price after year 1$99/yr
Three-year spend$397
Spot 2 goes to WA Registered Agent.org: filing in Washington through this service starts at $199 and moves to $99 for the agent.
Reports in years two and three, the filing itself and any minimum tax are what make up the three-year state figure here. Costs the state does not put a number on are described, never added.
The reasoning behind the order
Mainstay Filing wins on filings covered by the price, a 29% measure, with WA Registered Agent.org close behind.
The home state counts as well, and one account for both scored best.
Washington foreign LLC registration fee and rules, as written by the state
Running an LLC from elsewhere in Washington means filing the Foreign Registration Statement at the Washington Secretary of State, Corporations & Charities Division and paying $180. Enclose certificate of existence (good standing) or similar document not older than 60 days.
Official text: sos.wa.gov (pulled October 2026, noted here)
What it costs without a service
Do it all yourself and you owe only the state: $320 over three years. The services above add $397 to $497 for the paperwork.
Frequently asked
How much does it cost to register a foreign LLC with Washington?
$180 in state fees, with $199 more if you hire a service.
What do these services cost over three years?
The first year and two renewals total $397 to $497.
What form registers the LLC?
The registration is Foreign Registration Statement, filed with the Washington Secretary of State, Corporations & Charities Division.
Does Washington ask for a certificate from the home state?
Yes, no more than 60 days old: certificate of existence (good standing) or similar document.
What recurring filing comes after registration?
It is the annual report, at $70.
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 Washington?
Best to least: Mainstay Filing and WA Registered Agent.org.