Place1
Best hereWA Registered Agent.org
1. WA Registered Agent.org: best for a low yearly agent cost
$199 plus fees, then $99 a year
Our mark9.2out of 10
WA Registered Agent.org earns first place with $199 over the state fee to register in Washington, with the agent at $99 a year after that.
The plan covers an in-state street address for your registered office, with legal documents scanned and sent to you online.
Lower three-year cost is what puts it ahead of Mainstay Filing here.
What you get
- Filing with the state
- A year of registered agent service
Why pick it
- $199 over the state fee
- A year of registered agent service included
- $99 yearly from year two
Less good
- Covers Washington only
- $99 extra for the EIN application
Place2
Best for multi-state companiesMainstay Filing
2. Mainstay Filing: best for expanding companies
$199 plus fees, then $149 a year
Our mark8.8out of 10
Mainstay Filing ranks second: $199 over the state fee, the first registered agent year included, then $149 a year.
Its agent renews at $149 a year after the free first year, and the same price applies in every state you register in.
It costs $100 more than WA Registered Agent.org over three years, which is why it sits below it on our cost score.
What you get
- Registration prepared and filed
- Your registered agent, free for the first year
- Service of process scanned the same business day, no fee
Why pick it
- Service of process scanned the same business day, no fee
- Same price in all fifty states
- Service fee $199 plus state fees
- Registered agent free for the first year
Less good
- Higher agent renewal ($149)
The 2 picks side by side
| Rank | Service | Our score | Service fee | Year two | Best for | Link |
|---|
| 1 | WA Registered Agent.org | 9.2 | $199 | $99/yr | Lowest agent renewal on this list | Visit WA Registered Agent.orgPartner link. We may earn money if you buy. |
|---|
| 2 | Mainstay Filing | 8.8 | $199 | $149/yr | Companies registered in several states | Visit Mainstay FilingPartner link. We may earn money if you buy. |
|---|
The Founders Review sets these scores itself from the five criteria on our method page; they are not user ratings.
Washington foreign registration service pricing (2026): annual price, renewal price and three-year total
| Service | Year one | Year two | Year three | Three-year total | Agent in year one |
|---|
| WA Registered Agent.org | $199 | $99 | $99 | $397 | Included |
|---|
| Mainstay Filing | $199 | $149 | $149 | $497 | Free |
|---|
Prices from each company's own pricing pages, read November 12, 2026. Add the $180 state fee to every row; it is not in these totals.
How we picked the order
The Founders Review weighs five things, led by three-year cost and what one price covers at 30% each. For Washington, three-year cost is what separated first place from second.
WA Registered Agent.org costs $397 over three years, $100 less than Mainstay Filing. The renewal price after year one was the difference.
Our method page lists all five criteria.
Washington foreign registration fee and form (official)
A company formed in another state registers with the Washington Secretary of State, Corporations & Charities Division by filing the Foreign Registration Statement. The state fee is $180. Washington also wants certificate of existence (good standing) or similar document, dated within 60 days.
After registering, the company files the annual report ($70), due last day of your registration month.
Documents you need
- Certificate of existence (good standing) or similar document, issued no more than 60 days before you file.
- The company's home-state name and formation date.
- Someone to serve as your registered agent there; every service here does.
- The $180 state fee, paid with the filing.
- A date in your calendar for the annual report and its $70 fee.
Washington foreign registration service FAQ
Do I need to register my out-of-state LLC in Washington?
Yes, if the company transacts business there.
How much does foreign registration cost in Washington?
State fee $180, service fee $199.
Do I need a certificate from my home state?
Yes: certificate of existence (good standing) or similar document, dated within 60 days of filing.
Do I need a registered agent after registering?
Yes. Every LLC must name a registered agent with an in-state street address.
Which foreign registration services do you rank here?
WA Registered Agent.org ($199) and Mainstay Filing ($199), in that order on this page.
Which foreign registration service is best in Washington?
We rank WA Registered Agent.org first for a $199 service fee for the Washington registration and a $99 agent renewal.
Sources
- Washington Secretary of State, Corporations & Charities Division (checked August 2026): ccfs.sos.wa.gov
- Washington Secretary of State, Corporations & Charities Division (checked August 2026): www.sos.wa.gov/sites/default/files/2024-04/4.2024%20-%20AR%20-%20Profi
- Washington yearly filing: Annual report, official source (checked October 2026): www.sos.wa.gov/corporations-charities/business-entities/online-filing-
- Washington report due date (checked August 2026): app.leg.wa.gov/RCW/default.aspx?cite=23.95.255
- Washington formation fee: Filing fee, official source (checked October 2026): www.sos.wa.gov/corporations-charities/frequently-asked-questions-faqs/
- Washington formation fee: Filing fee, official source (checked October 2026): www.sos.wa.gov/corporations-charities/business-entities/online-filing-
- Washington registered agent statute (checked October 2026): app.leg.wa.gov/rcw/default.aspx?cite=23.95.415
- Washington SOS, register a foreign LLC online (checked October 2026): www.sos.wa.gov/corporations-charities/business-entities/online-filing-
- Washington SOS, fee schedules and priority services (checked October 2026): www.sos.wa.gov/corporations-charities/frequently-asked-questions-faqs/
- RCW 23.95.520, activities that are not doing business (checked October 2026): app.leg.wa.gov/RCW/default.aspx?cite=23.95.520
- RCW 23.95.505, consequences of not registering (checked October 2026): app.leg.wa.gov/RCW/default.aspx?cite=23.95.505
- RCW 23.95.510, foreign registration statement (checked October 2026): app.leg.wa.gov/RCW/default.aspx?cite=23.95.510
- Washington SOS, registered agents (checked October 2026): www.sos.wa.gov/corporations-charities/business-entities/maintain-busin
- WA Registered Agent.org pricing and service pages, read on November 12, 2026
- Mainstay Filing Washington service page, read on November 12, 2026