Foreign LLC Services › Washington
Foreign LLC services in Washington, compared
In Washington a filing service costs $199 on top of the $180 state fee. Mainstay Filing is our first pick.
Best 2 Foreign Registration Services in Washington (2026)
Ranked for Washington.
| # | Service | Service fee | Washington fee | Agent |
|---|---|---|---|---|
| 1 | Mainstay Filing | $199 | $180 | Year one included, then $149/yr |
| 2 | WA Registered Agent.org | $199 | $180 | Year one included, then $99/yr |
Mainstay Filing: Its Washington checkout showed $399 in total on October 28, 2026, including $20 in state processing charges.
Service prices read from each provider’s Washington page on October 28, 2026. The state fee is the official figure below and is paid to the Washington Secretary of State, Corporations & Charities Division. Only one registered-agent brand on our list serves Washington, so this list has two entries.
Side by side with doing it yourself
| Route | Service fee | Agent, year one | Agent after | Year one, before any agent |
|---|---|---|---|---|
| Mainstay Filing | $199 | Included | $149 a year | $379 |
| WA Registered Agent.org | $199 | Included | $99 a year | $379 |
| Do it yourself | $0 | You arrange one | Your cost | $180 |
A registered agent must have a street address in Washington. Doing it yourself means you arrange and pay for one.
What the state requires either way
- Application
- Foreign Registration Statement
- Good-standing certificate
- Certificate of existence (good standing) or similar document, no older than 60 days
- Yearly filing
- Annual report (Secretary of State), $70 (due: last day of your registration month)
Washington service questions
Which service is best for a foreign LLC in Washington?
We rank Mainstay Filing first for Washington: $199 plus the $180 state fee, with the agent free for the first year.
What does a Washington service include?
The application, the filing with the Washington Secretary of State, Corporations & Charities Division, payment of the state fee and a registered agent for the first year.
Is it cheaper to file in Washington myself?
On paper, yes by $199: the state fee is $180. You would also need to find a registered agent and prepare Foreign Registration Statement.
Sources
- Washington SOS, register a foreign LLC online: www.sos.wa.gov/corporations-charities/business-entities/online-filing-instructions/register-foreign-non-wa-limited-liability-company-llc-online, checked October 8, 2026
- Washington SOS, fee schedules and priority services: www.sos.wa.gov/corporations-charities/frequently-asked-questions-faqs/fee-schedules-priority-services, checked October 8, 2026
- RCW 23.95.520, activities that are not doing business: app.leg.wa.gov/RCW/default.aspx?cite=23.95.520, checked October 8, 2026
- RCW 23.95.505, consequences of not registering: app.leg.wa.gov/RCW/default.aspx?cite=23.95.505, checked October 8, 2026
- RCW 23.95.510, foreign registration statement: app.leg.wa.gov/RCW/default.aspx?cite=23.95.510, checked October 8, 2026
- Washington SOS, registered agents: www.sos.wa.gov/corporations-charities/business-entities/maintain-business-compliance/registered-agents, checked October 8, 2026