2 Best LLC Services in Washington (2026): Prices Tracked
The best-value LLC formation services for Washington in 2026 are Mainstay Filing ($199) and WA Registered Agent.org ($199), ranked in that order. The three-year total for services spans $397 to $597; the state's $200 to file is a separate charge.
Tracked by the Filing Price Watch editorial team
Ordered by:
Best value first, using our five measures
Prices on the watchlist
State filing fee$200sos.wa.gov (pulled October 2026, noted here)
Year-one prices$199Service fees alone
Three-year spread$397 to $597Opening year and two more
State total, three years$340Official figures only
Crossover yearLines stay apartOrder holds through year 10
Washington: best value first
Service prices only. The $200 state fee applies to every service.
#Ordered byPrice in year 1Price at renewalThree-year spend
1
Top pick
1. Mainstay Filing: best for a yearly price that never moves
$199 a year, plus $200 paid to the state
Price in year 1$199
Price after year 1$199/yr
Three-year spend$597
Mainstay Filing leads since it is the only price here that folds the annual report into $199 a year.
What it costs over WA Registered Agent.org is $200 by year three, and what it covers is why it ranks higher.
Preparing the annual report is not your job, and only the $70 state fee gets added.
Price covers
Formation sent to the state office
Registered agent for the full year
Annual report, filed when it is due
EIN application, prepared for you
Nothing added to state charges
Holds up
It prepares the EIN application
Year two costs $199
A single price of $199 a year
Weak spots
$100 a year over WA Registered Agent.org from year two
2
Local pick
2. WA Registered Agent.org: best for a basic start
Starts at $199; later years $99
Price in year 1$199
Price after year 1$99/yr
Three-year spend$397
Next up, WA Registered Agent.org: $199 in year one and $99 each year from then on.
The state's share is worked out from three pieces: what it charges to file, what it charges for the next two reports, and any minimum tax. Anything without a fixed price, newspaper notices for instance, is left out of that figure.
How first place was won
The 29% measure filings covered by the price separated the top two.
Filings covered per dollar made the difference: the annual report is part of the price.
Add the EIN application and Mainstay Filing's total passes WA Registered Agent.org's in year 2.
Washington LLC filing fee and requirements, as written by the state
You send the Certificate of Formation - Limited Liability Company and $200 to the Washington Secretary of State (RCW 25.15.071). Every LLC must name a registered agent with an in-state street address.
Quoted: sos.wa.gov (pulled October 2026, noted here)
The do-it-yourself total
Filing on your own costs $340 in state fees over three years. The $397 to $597 charged by services pays for not doing the forms.
Washington pricing questions
How much do LLC formation services cost in Washington?
These services charge $199 to begin, and the state takes $200.
What do these services cost over three years?
The first year and two renewals total $397 to $597.
What does Washington charge to file an LLC?
$200 paid to the state, through the Certificate of Formation - Limited Liability Company.
What does Washington charge every year once the LLC exists?
Each year the state charges $70 for the annual report, due last day of the entity's anniversary month.
Does the price include the EIN application?
Mainstay Filing: no extra charge; WA Registered Agent.org: $99 more.
In what year does one service become pricier than another?
There is no crossover inside ten years.
Which LLC formation service is the best value in Washington?
Mainstay Filing wins on filings covered by the price, followed by WA Registered Agent.org.