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Filing Verdict

Rankings of registered agents, LLC formation and foreign registration services in all 50 states.

Registered agent verdict · Washington

2 Best Registered Agents in Washington (2026)

Filing Verdict's 2026 verdict on registered agents in Washington: Mainstay Filing ($149 a year) and WA Registered Agent.org ($99 a year), in that order. Mainstay Filing takes first place: $149 a year whether the company stays put or expands, and the first three government mailings each year are scanned free.
The Filing Verdict editorial team
Our top pick
Spot 1

1. Mainstay Filing: best for all fifty states

$149 per year, flat

9.3Editorial score
out of 10

Mainstay Filing wins here: $149 a year, unchanged at renewal, with papers served on the company scanned the same business day at no charge.

New company? Mainstay's formation package at $199 a year adds the Washington filing and the annual report.

The three-year bill is $150 higher than WA Registered Agent.org's, and the wider coverage is worth that to us.

What you get

  • A registered office address in any state you need
  • Free same-business-day scans of service of process
  • Three government mailings a year scanned at no charge
  • Compliance reminders

What we like

  • Same-business-day scans of served papers, free
  • Serves LLCs, corporations, LPs, LLPs and nonprofits
  • Three government mailings a year scanned free
  • $149 a year, unchanged at renewal

Cons

  • The agent alone runs $50 a year above WA Registered Agent.org
  • You file your own annual report unless you buy the formation package
Visit Mainstay FilingPartner link. We may earn money if you buy. Our full Mainstay Filing verdict
Best value here
Spot 2

2. WA Registered Agent.org: best for the lowest yearly fee on this list

$99 per year, flat

8.9Editorial score
out of 10

Second place goes to WA Registered Agent.org: a Washington specialist at $99 a year, with an in-state street address for the registered office.

WA Registered Agent.org supplies the registered office street address and scans served legal papers into your account.

What you get

  • A state street address listed as the registered office
  • Each legal paper served on the company is scanned into your account

What we like

  • Offers formation with a free first agent year
  • Lower yearly price than Mainstay Filing
  • $99 per year, renewing at the same price

Cons

  • The annual report filing is yours to handle
  • Built for Washington; other states need a separate agent
Visit WA Registered Agent.orgPartner link. We may earn money if you buy. Our full WA Registered Agent.org verdict

The 2 verdicts at a glance

No.ServiceVerdict scoreYearly priceRenewalBest forVisit
1Mainstay Filing9.3$149$149/yrAn agent that works in all fifty states Visit Mainstay FilingPartner link. We may earn money if you buy.
2WA Registered Agent.org8.9$99$99/yrThe lowest yearly price we rank here Visit WA Registered Agent.orgPartner link. We may earn money if you buy.
Every score here is Filing Verdict's own editorial mark out of 10, set from the criteria on How we rank. No customer ratings are involved.

Washington registered agent prices for 2026: year one, renewals and three years

ServiceYear 1Year 2Year 3Total, 3 yearsRenewal price unchanged
Mainstay Filing$149$149$149$447Yes
WA Registered Agent.org$99$99$99$297Yes
Prices were read from each company's own pages on November 12, 2026. Washington's fees do not depend on which agent you choose.

The reasoning behind the order

The method behind this ranking weighs total over three years at 35% and paperwork the price handles at 35%, with renewal behavior, match to the state and up-front pricing sharing the remaining 30%. For Washington, paperwork the price handles decided the order.

Mainstay's agent plan covers more: papers served on the company are scanned the same business day at no fee, one price applies in all fifty states and three government mailings a year are scanned free. WA Registered Agent.org costs less, and the two finish close.

The full list of criteria and weights is on How we rank.

Washington registered agent requirements, from Washington Secretary of State (official)

Every LLC must name a registered agent with an in-state street address. The address has to be a physical street address in Washington. P.O. boxes and private mailboxes are not accepted. Citation: RCW 23.95.415.

Washington annual report: what it costs and when it is due

Every Washington LLC owes the annual report every year. The state fee is $70, due last day of the entity's anniversary month. A late filing adds $25. Notices about it go to your registered agent.

Washington registered agent: questions answered

Must a Washington LLC have a registered agent?

Yes. Washington requires every LLC to keep a registered agent on file, and the agent needs a street address in the state.

What do Washington registered agents charge each year?

The prices run $99 to $149 a year, and every service keeps its price at renewal.

May I act as my own registered agent?

Only if you meet the state's conditions. A commercial registered agent listed with the Secretary of State, a noncommercial agent (any person or business with a Washington address), or the holder of a named position in the company. The agent consents in advance.

What is the due date for the Washington annual report?

Due last day of the entity's anniversary month; the state fee is $70. Filing late adds $25.

Which registered agents are ranked on this page?

Mainstay Filing ($149 a year) and WA Registered Agent.org ($99 a year), from first place to last.

Which registered agent is the best value in Washington?

Mainstay Filing, because one $149 agent plan that follows the company into every state, renewing at $149.

Keep reading

Sources and dates

  1. Washington Secretary of State, Corporations & Charities Division, confirmed August 2026
  2. Washington Secretary of State, Corporations & Charities Division, confirmed August 2026
  3. Washington yearly filing: Annual report, official source, confirmed October 2026
  4. Washington report due date, confirmed August 2026
  5. Washington formation fee: Filing fee, official source, confirmed October 2026
  6. Washington formation fee: Filing fee, official source, confirmed October 2026
  7. Washington registered agent statute, confirmed October 2026
  8. Checked November 12, 2026: Mainstay Filing, Washington service page
  9. Checked November 12, 2026: WA Registered Agent.org, pricing and service pages