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LLC formation cost calculators + Washington

2 Best LLC Services in Washington (2026): Cost Calculator

Our 2026 calculation puts Mainstay Filing ($199) and WA Registered Agent.org ($199), in that order, at the top of Washington LLC formation services. The calculator returns $397 to $597 for three years of service, plus $200 owed to Washington at filing.
Calculated by the Formation Calc editorial team

Result order: The result is 41% three-year cost and 27% filing work covered, with renewal change, break-even year and input clarity filling in the rest. The formula

Washington: key outputs

Formation fee owed to the state$200sos.wa.gov {input read October 2026, shown in full}
First-year outputs$199State fee not in these
What three years calculate to$397 to $597First year and both renewals
State total, years 1 to 3$340Independent of the service
Lines cross inTotals stay apartStable for a decade

Washington ranking

Every input is copied from the company's own pricing page. The $200 state fee has to be added separately.
1

1. Mainstay Filing: best for owners who want the upkeep handled

Best value
Year-1 input$199
Input for year 2 on$199/yr
Result at year 3$597
$199 annually, renewing at $199

Top result: Mainstay Filing. No other service has the annual report inside a $199 yearly input.

Using WA Registered Agent.org would save $200 over three years and leave more filing work to you.

The annual report is filed for you, and the $70 state fee is passed along at cost.

Inputs covered

  • Formation handled for you
  • Registered agent for the full year
  • Annual report, filed when due
  • EIN application prepared
  • State fee entered as published

Adds up well

  • EIN application included
  • $199 in year two
  • $199 for the full package

Adds up badly

  • Yearly premium over WA Registered Agent.org: $100
2

2. WA Registered Agent.org: best for companies that stay in one state

In-state provider
Year-1 input$199
Input for year 2 on$99/yr
Result at year 3$397
$199 to form, $99 yearly after

WA Registered Agent.org places second. $199 to open, first agent year included, then $99 a year.

The annual report would still be your filing.

Inputs covered

  • Formation handled for you
  • Agent service for the first year

Adds up well

  • Formation inputs at $199
  • $99 yearly from year two
  • No agent charge in year one

Adds up badly

  • The input excludes the annual report
  • EIN add-on: $99

What each service adds up to

RankServiceResult, year 1Result, year 2Result, year 3Result, year 5
1Mainstay Filing$199$398$597$995Open Mainstay FilingPartner link. We may earn money if you buy.
2WA Registered Agent.org$199$298$397$595Open WA Registered Agent.orgPartner link. We may earn money if you buy.
The first-year price plus renewals, using the prices entered November 13, 2026. Ranked by running result, the order is steady for ten years.

Break-even test

Results for 1 to 5 years, EIN application optional. State fees are not an input here because every service owes the same ones.
Result for 3 years: Mainstay Filing $597, WA Registered Agent.org $397. Lowest at that point: WA Registered Agent.org.

Official state charges

InputAmountSource
Filing to form the LLC$200sos.wa.gov {input read October 2026, shown in full}
Annual report$70 every yearsos.wa.gov {input read October 2026, shown in full}
Late fee$25sos.wa.gov {input read October 2026, shown in full}
State fees over three years$340Inputs added together
The state's three-year figure is a sum of three kinds of charge: the filing fee, the reports owed in years two and three, and a minimum tax where the state levies one. Costs with no fixed amount, such as publication in a newspaper, are noted in the text and left out of the sum.

How the result came out

Mainstay Filing wins filing work in the price, worth 27%, with WA Registered Agent.org close behind.

Work covered per dollar tipped the formula, since the annual report comes with the price.

Add the EIN application as an input and Mainstay Filing's total passes WA Registered Agent.org's in year 2.

How Washington describes its LLC filing fee and filing requirements

The Washington Secretary of State accepts the Certificate of Formation - Limited Liability Company plus $200, as RCW 25.15.071 provides. Every LLC must name a registered agent with an in-state street address.

Quoted text: sos.wa.gov {input read October 2026, shown in full}

The no-service result

Do-it-yourself result: $340 paid to the state across three years. A service at $397 to $597 is what avoiding the forms costs.

Questions

What do LLC formation services cost in Washington?

The services input $199 up front, and the state adds $200.

What do these services calculate to over three years?

$397 to $597 across the services, not counting state fees.

How much does Washington charge to file an LLC?

$200 to the state, with the Certificate of Formation - Limited Liability Company as the form.

What does Washington charge each year after formation?

Annual report input: $70 a year, and the statute puts the deadline at last day of the entity's anniversary month.

Is the EIN application part of the price?

Looking at each in turn: Mainstay Filing comes with it and WA Registered Agent.org charges $99.

When does one service pass another in total cost?

Not in ten years: the order of the running totals does not change.

Which LLC formation service calculates best in Washington?

Mainstay Filing calculates best, followed by WA Registered Agent.org.

Related calculators

Input sources

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