CO · Tax year 2026
LLC vs S-Corp in Colorado. A localized number.
At $100,000 net profit with a $50,000 W-2 salary, the federal payroll tax delta is $7,680. Adjusted for Colorado's $10 annual franchise/report fee, the estimated net modeled benefit (yr 1) is $7,670.
LLC Filing Fee
$50
one-time, Colorado Secretary of State
Annual Franchise / Report
$10
recurring, every year
State Income Tax
Yes
ordinary rates apply · not modeled
Estimated Net Modeled Benefit (yr 1)
$7,670
federal delta minus the annual fee
01 · Colorado model
Tune the inputs. Numbers update live.
Colorado annual fee (deducted from savings)
$10
LLC
Federal payroll tax
$14,130
S-CORP
Federal payroll tax
$6,450
Estimated Net Modeled Benefit (yr 1)
$7,670
Federal SE tax saved (LLC vs S-Corp) minus Colorado's $10 annual fee. The $50 filing fee is not included — it's a one-time setup cost. Income tax, QBI, health insurance, and retirement contributions are not modeled.
02 · Why Colorado specifically
The state-level numbers that move the answer.
An S-Corp election only pencils out when the federal payroll tax saved outpaces the recurring cost of running a corporate entity. Coloradocharges $10per year to keep your entity in good standing and assesses ordinary state income tax on top of the federal figure.
At the calculator's default $100K / $50K inputs, the federal delta ($7,680) is what an LLC owner gives up in self-employment tax on net profit. After the Colorado annual fee, the estimated net modeled benefit is$7,670.
State-specific note: Colorado Periodic Report is $10 per year for LLCs.
Localized formula
// Colorado adjusted
llcTax = netProfit × 0.9235 × 0.153
scorpTax = salary × 0.153 − 1200
savings = llcTax − scorpTax − 10- LLC filing: one-time $50 to form the entity in Colorado.
- Annual franchise / report: $10/yr to maintain good standing.
- State income tax: applies on top of federal ordinary rates; not modeled.