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The Founders Review

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

LLC services · Washington

2 Best LLC Services in Washington (2026)

The best LLC services in Washington for 2026 are Mainstay Filing ($199) and WA Registered Agent.org ($199), in that order. Mainstay Filing wins on our method with the Washington formation, your registered agent and the annual report all sit under one $199 yearly price.

Written by The Founders Review editorial team

Place1
Best here

Mainstay Filing

1. Mainstay Filing: best for formation, agent and annual report in one price

Annual price $199 plus state fee; renewal $199
Our mark9.1out of 10

Mainstay Filing is number one here: a single $199 price each year covers the filing, the agent and the annual report.

Annual report filing is part of the yearly price: the state fee of $70 passes through at cost; the report is due last day of the entity's anniversary month.

The three-year premium over WA Registered Agent.org is $200; coverage outweighs it in our scoring.

What you get

  • Formation prepared and filed
  • Your registered agent, all year
  • Your annual report prepared and filed
  • EIN application

Why pick it

  • One $199 yearly price with your annual report filed
  • EIN application included
  • Washington state fee passed through at cost
  • $199 renewal, no add-ons

Less good

  • Renewal is $100 above WA Registered Agent.org's agent
Visit Mainstay FilingPartner link. We may earn money if you buy.Mainstay Filing review
Place2
Best for a Washington-only company

WA Registered Agent.org

2. WA Registered Agent.org: best for a low-cost Washington LLC

$199 plus the state fee, then $99 a year
Our mark8.9out of 10

Number 2 is WA Registered Agent.org: Washington formation at $199 plus state fees, with a $99 agent renewal.

Served documents are scanned and shared online, and the registered office is a Washington street address.

You handle the annual report on your own every year; it is not in the price.

What you get

  • Articles prepared and filed
  • First year of registered agent service

Why pick it

  • $199 over the state fee
  • Agent renews at $99
  • First year of registered agent service included

Less good

  • Does not file the annual report
  • $99 extra for the EIN application
Visit WA Registered Agent.orgPartner link. We may earn money if you buy.WA Registered Agent.org review

Our top 2 at a glance

RankServiceOur scoreService feeYear twoBest forLink
1Mainstay Filing9.1$199$199/yrFormation, agent and annual report in one priceVisit Mainstay FilingPartner link. We may earn money if you buy.
2WA Registered Agent.org8.9$199$99/yrA Washington-only LLC on a budgetVisit WA Registered Agent.orgPartner link. We may earn money if you buy.

The scores are ours: editorial marks out of 10 built from the weighted criteria on How we rank, not ratings from customers.

2026 prices: year one, renewal and three-year total cost

ServiceYear oneYear twoYear threeThree-year totalAnnual report filed for you
Mainstay Filing$199$199$199$597Yes
WA Registered Agent.org$199$99$99$397No

Service fees as published on each company's own pages, read November 12, 2026. Add Washington's $200 filing fee to every row; it is not in these totals.

Why Mainstay Filing is first

Five criteria set the order; the two heaviest are three-year cost and what one price covers. Here what one price covers made the difference.

The annual report is the tiebreaker: Mainstay files it, WA Registered Agent.org does not, and that coverage beat the cheaper option.

Read the full criteria on our How we rank page.

Washington LLC cost: the official fee

Washington charges $200 to file the Certificate of Formation - Limited Liability Company with the Washington Secretary of State under RCW 25.15.071. Every service in this ranking passes that fee through on top of its own price.

Yearly upkeep and your agent

Annual report: every year, $70, due last day of the entity's anniversary month. Late fee $25. Every LLC must name a registered agent with an in-state street address.

LLC services in Washington: questions

How much does it cost to form an LLC in Washington?

$200 to the state, plus $199 for a service to file it.

What form creates the LLC?

The Certificate of Formation - Limited Liability Company, filed with the Washington Secretary of State.

Do I need a registered agent for a Washington LLC?

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

What yearly filings does a Washington LLC have?

The annual report, every year, due last day of the entity's anniversary month, with a $70 state fee.

Is the EIN application included?

Mainstay Filing's yearly price includes it. WA Registered Agent.org charges $99 for it. The IRS itself charges no fee for an EIN.

Which LLC service is best in Washington?

Mainstay Filing ranks first on our method: one $199-a-year price that covers the Washington filing, your registered agent and your annual report, renewing at $199.

See also

Sources and dates

  1. ccfs.sos.wa.gov (Washington Secretary of State, Corporations & Charities Division), last confirmed August 2026
  2. www.sos.wa.gov/sites/default/files/2024-04/4.2024%20-%20AR%20-%20Profi (Washington Secretary of State, Corporations & Charities Division), last confirmed August 2026
  3. www.sos.wa.gov/corporations-charities/business-entities/online-filing- (Washington yearly filing: Annual report, official source), last confirmed October 2026
  4. app.leg.wa.gov/RCW/default.aspx?cite=23.95.255 (Washington report due date), last confirmed August 2026
  5. www.sos.wa.gov/corporations-charities/frequently-asked-questions-faqs/ (Washington formation fee: Filing fee, official source), last confirmed October 2026
  6. www.sos.wa.gov/corporations-charities/business-entities/online-filing- (Washington formation fee: Filing fee, official source), last confirmed October 2026
  7. app.leg.wa.gov/rcw/default.aspx?cite=23.95.415 (Washington registered agent statute), last confirmed October 2026
  8. Read November 12, 2026: Mainstay Filing Washington service page
  9. Read November 12, 2026: WA Registered Agent.org pricing and service pages