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Formation Math LLC service costs, worked out step by step.

LLC formation worksheets · Washington

2 Best LLC Services in Washington (2026): Worked Prices

The 2026 math for Washington LLC formation services gives WA Registered Agent.org ($199) and Mainstay Filing ($199), ranked best value first. The service rows total $397 to $597 over three years; Washington separately charges $200 to file, whoever does it.
Worked by the Formation Math editorial team

↓ Sorted by: Cost first (42%), items covered second (28%), three smaller checks after. See the working

The working so far

Formation fee $200 sos.wa.gov (checked October 2026) as the source
Totals after one year $199 Before government fees
Three-year results $397 to $597 Opening price and two renewals
What the state collects by year 3 $340 Left out of the score
Where rows cross No crossing The order stays put for ten years

Rows ranked by value

Rows are sorted by the method. None of the rows includes the $200 state fee.

1
Highest score

1. WA Registered Agent.org: best for the smallest three-year sum

Year 1: $199. Year 2 on: $99.
Year-1 price $199
Price after year 1 $99/yr
Sum of 3 years $397

Row one is WA Registered Agent.org. The math: $199 the first year, $99 for every year after.

It beats Mainstay Filing on the biggest term in the score, three-year total.

The annual report is not in its price.

The price buys

  • Articles of organization, prepared and filed
  • Year-one agent service

Adds up

  • Agent included to start
  • Agent renews at $99
  • $199 over the state fee

Does not add up

  • Annual report is not part of it
  • It charges $99 for the EIN application
2
Works in all 50

2. Mainstay Filing: best for covering the most items per dollar

$199 per year, renewing at $199
Year-1 price $199
Price after year 1 $199/yr
Sum of 3 years $597

Next in the working, Mainstay Filing: $199 a year pays for the filing, the registered agent and the annual report, so year two is $199 again.

On three-year total it is $200 behind WA Registered Agent.org.

The annual report gets filed too, and the only addition is the state's $70.

The price buys

  • Filing delivered to the state
  • Registered agent, covered all year
  • Annual report, filed when due
  • EIN application, handled
  • The official fee, nothing added

Adds up

  • The EIN application is handled
  • $199 per year, everything counted
  • $199 in year two

Does not add up

  • $100 more per year than WA Registered Agent.org after year one

Running sum by year

No. Provider Year 1 total Total at year 2 Total at year 3 Total at year 5
1 WA Registered Agent.org $199 $298 $397 $595 Visit WA Registered Agent.org Partner link. We may earn money if you buy.
2 Mainstay Filing $199 $398 $597 $995 Visit Mainstay Filing Partner link. We may earn money if you buy.

Year one plus renewals, from the prices read on November 13, 2026. No row passes another within ten years.

Worksheet calculator

How many years will you keep the company? Choose and compare, with or without the EIN application.

Sum after 3 years: WA Registered Agent.org $397, Mainstay Filing $597. Smallest total: WA Registered Agent.org.

The state's side of the math, Washington

Term Value Where it comes from
Formation charge $200 sos.wa.gov (checked October 2026) as the source
Annual report $70 every year sos.wa.gov (checked October 2026) as the source
Penalty if the report is late $25 sos.wa.gov (checked October 2026) as the source
State fees added over 3 years $340 Calculated from the rows above

Working: filing fee, plus the recurring report in years two and three, plus any minimum tax. The sum is the three-year state line.

How the ranking worked out

For Washington, the term that decided it was three-year total (42% of the score), where WA Registered Agent.org came out ahead.

$397 over three years for WA Registered Agent.org, which saves $200 compared with Mainstay Filing.

EIN application included, break-even comes in year 2, when Mainstay Filing passes WA Registered Agent.org.

Washington LLC filing fee and rules, from the source

The LLC exists once the Washington Secretary of State accepts the Certificate of Formation - Limited Liability Company along with $200. Every LLC must name a registered agent with an in-state street address.

Official wording: sos.wa.gov (checked October 2026) as the source

The no-service row

Cost of filing yourself: $340 to the state over three years. Service totals of $397 to $597 are the price of avoiding the forms.

Quick answers

What does an LLC formation service cost in Washington?

$199 for year one across our rows, plus the state's $200 fee.

What do the services add up to over three years?

Service totals for three years: $397 to $597.

What is the Washington fee to file an LLC?

$200 with the Certificate of Formation - Limited Liability Company.

What does Washington collect each year after formation?

$70 annually for the annual report, deadline given as last day of the entity's anniversary month.

Does the price include the EIN application?

WA Registered Agent.org = $99; Mainstay Filing = included.

In what year does one service pass another in total cost?

Not within ten years; no row passes another.

Which LLC formation service is best value in Washington?

WA Registered Agent.org, which wins on three-year total. Then Mainstay Filing.

Related worksheets

LLC formation worksheets, all 50 states Best LLC services overall The method

Inputs and sources

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