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A practical guide · Washington

2 Best Registered Agents in Washington (2026): Where to Start

For registered agents in Washington, we recommend WA Registered Agent.org ($99 a year) and Mainstay Filing ($149 a year) in 2026, ranked from first to last. Plan on $99 to $149 for the first year of an agent and $297 to $447 across three years.
Written by the Simple Filing Guide editorial team

Start here

Does the law demand one?
Required
Name used by the state
Registered agent
Price of an agent
$99 to $149 for each year
Recommended
WA Registered Agent.org then Mainstay Filing

Where to start in Washington

Ranked best first using the checks described on the method page.

#1 Recommended first

1. WA Registered Agent.org: best for tight budgets

Annual price $99, renewal price $99

WA Registered Agent.org takes the top spot, since $99 a year, then $99 at renewal, fits an LLC that stays in Washington.

Compare the three-year totals: it lands under Mainstay Filing, and cost is the check we weigh most.

Checklist: what is included
  • A physical in-state address
  • Service papers posted online
What works
  • Only $99 a year
  • Costs less per year than Mainstay Filing
Gaps
  • Not available outside the state
  • Remember to file the annual report yourself
Visit WA Registered Agent.org to begin Partner link. We may earn money if you buy.
#2 All fifty states

2. Mainstay Filing: best for one price in any state

Annual price $149, renewal price $149

Mainstay Filing is second, because one account at $149 a year covers whichever state the LLC registers in.

WA Registered Agent.org is $150 lower across three years, which is enough to rank above it.

Checklist: what is included
  • An in-state office address
  • Three government mailings a year scanned free
  • Works for LLCs, corporations, LPs, LLPs and nonprofits
What works
  • $149 each year with no increase
  • A single account works in any state
Gaps
  • $50 a year above the local pick
  • You still handle reports
Visit Mainstay Filing to begin Partner link. We may earn money if you buy.

Costs side by side

#ProviderFirst-year priceYearly afterTotal for 3 yearsWhat is covered
1 WA Registered Agent.org $99$99/yr$297A physical in-state address; service papers posted online Visit WA Registered Agent.org to begin Partner link. We may earn money if you buy.
2 Mainstay Filing $149$149/yr$447An in-state office address; three government mailings a year scanned free; Works for LLCs, corporations, LPs, LLPs and nonprofits Visit Mainstay Filing to begin Partner link. We may earn money if you buy.

Each company's listed prices on November 13, 2026. State fees are extra and do not vary by pick.

Work through these

Must I name a registered agent?

Every LLC must name a registered agent with an in-state street address.

Check the law: RCW 23.95.415. app.leg.wa.gov, last confirmed October 2026 for this guide

Who may serve?

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.

When you fit the rule, you can fill the role for free.

What does agent service run?

$99 to $149 per year, $297 to $447 across three.

Your agent choice does not alter state fees.

What does an agent do for the LLC?

When a lawsuit or a state letter reaches the LLC in Washington, the agent receives it.

Ask how fast the agent tells you when something arrives, so nothing slips past a deadline. Service of process in one line

What does the LLC owe the state every year?

Expect the annual report to come back every year, at $70 each time. In the state's words it is due last day of the entity's anniversary month, so mark the date.

sos.wa.gov, last confirmed October 2026 for this guide

Why is number one first?

Total for three years, at 37%, puts WA Registered Agent.org first.

Five checks set the order: total for three years (37%), filing jobs included (27%), clear price information (13%), year-two price (12%) and state coverage (11%).

On cost, WA Registered Agent.org wins at $297, a saving of $150 against Mainstay Filing.

How we rank

Washington agent rules at a glance

RequirementAmount or ruleVerify
Fee to file the LLC $200sos.wa.gov, last confirmed October 2026 for this guide
Registered agent Requiredapp.leg.wa.gov, last confirmed October 2026 for this guide
Annual report $70 every yearsos.wa.gov, last confirmed October 2026 for this guide
Paid to the state by year three $340Rows above, added up

To check the three-year number, add the formation filing, the next two reports and any minimum tax; costs with no fixed price are not counted.

FAQ

Can an owner serve as agent?

Yes, when you qualify under the state rule; many owners still pay for a service to keep their address private.

What type of address qualifies?

The address has to be a physical street address in Washington. P.O. boxes and private mailboxes are not accepted.

Over three years, what does each charge?

WA Registered Agent.org $297; Mainstay Filing $447

What sources do you use?

Official Washington documents supply the state fees, and the companies' own pricing pages supply the service fees. Both carry dates on this page.

Does the state require a service?

No. A service charges for labor and the agent role, not for anything the state demands.

Who ranks first in Washington?

Choose WA Registered Agent.org first, then compare Mainstay Filing.

Where each fact comes from

  1. August 2026 check of Washington Secretary of State, Corporations, via ccfs.sos.wa.gov
  2. August 2026 check of Washington Secretary of State, Corporations, via sos.wa.gov
  3. October 2026 check of Washington yearly filing: Annual report, via sos.wa.gov
  4. August 2026 check of Washington report due date, via app.leg.wa.gov
  5. October 2026 check of Washington formation fee: Filing fee, via sos.wa.gov
  6. October 2026 check of Washington formation fee: Filing fee, via sos.wa.gov
  7. October 2026 check of Washington registered agent statute, via app.leg.wa.gov
  8. pricing page from WA Registered Agent.org, checked November 13, 2026
  9. Washington service page from Mainstay Filing, checked November 13, 2026