2 Best Foreign Registration Services in Washington (2026): Who to Hire
For foreign registration services in Washington, our 2026 reply is Mainstay Filing ($199) and WA Registered Agent.org ($199), in that order. Set aside $180 for the state and $397 to $497 for services over three years.
By the LLC Answered editorial team
Answer in four lines
Short reply
Price to register
$180
Paper from the home state?
Needed (60 days or newer)
Afterward
$70, annual report
Who to hire
Mainstay Filing then WA Registered Agent.org
Who to hire in Washington
Order set by our five tests: three-year cost first, then what the price covers.
#1Top reply
1. Mainstay Filing: best for companies that keep growing
$199 to register, $149 for the agent after
Why Mainstay Filing? Simply put, it asks $199 plus state fees and waives the registered agent charge for the first year.
Choosing WA Registered Agent.org saves $100 over three years, but only a Washington company can use it.
Year one carries no registered agent fee; after that it is $149 a year.
What is bundled
Your foreign filing
Registered agent, free in year one
A nationwide flat fee
Pluses
The fee is the same in every state
Service fee $199
Registered agent costs nothing in year one
Downsides
Agent renews at $149, $50 over WA Registered Agent.org
#2One-state pick
2. WA Registered Agent.org: best for one extra state
$199 to register, $99 for the agent after
Why WA Registered Agent.org second? Simply put, registering costs $199 over the state fee, agent covered in year one, then $99 a year.
What is bundled
Foreign filing submitted
Agent for year one
Pluses
First-year agent comes with it
Registers for $199
Then $99 yearly
Downsides
One-state service
Numbers at a glance
#
Company
Start price
Later years
Three-year cost
Price buys
1
Mainstay Filing
$199
$149/yr
$497
your foreign filing; registered agent, free in year one; A nationwide flat fee
Service fees only, from each company's prices on November 13, 2026. State fees are identical whichever you pick.
What people ask here
Does my out-of-state LLC need to register here?
An LLC from another state registers with the Washington Secretary of State, Corporations & Charities Division ahead of transacting business in Washington.
$180 for the state; hire a service and it adds $199.
Over three years the state's total is $320. sos.wa.gov | October 2026 | verified
What gets submitted?
One filing, the Foreign Registration Statement, goes to the Washington Secretary of State, Corporations & Charities Division.
Provide certificate of existence (good standing) or similar document no older than 60 days.
What does staying registered cost?
$70 for the annual report.
Watch for this date: last day of your registration month.
How did you rank them?
Mainstay Filing leads on paperwork covered, a 29% test.
Five tests set the order: three-year price (36%), paperwork covered (29%), straightforward pricing (15%), renewal behavior (10%) and states served (10%).
With two states involved, a provider for every state beat WA Registered Agent.org.