MO · Payroll tax 2026
The true cost of hiring in Missouri
What a W-2 employee actually costs an employer in Missouri— and how that compares to a 1099 contractor — with the state's real 2026 unemployment-insurance rates built in.
For a new employer in Missouri, the true cost of a W-2 hire runs higher than the salary line alone. State Unemployment Insurance (SUI) starts at 2.376% on the first $9,500 of each employee's wages — that is $226.22 in SUI exposure per worker before any other payroll burden lands. Stack federal FUTA, Social Security, Medicare, and workers' compensation on top, and a $60,000 salary hire realistically costs $65,000 to $68,000 all-in before benefits. Missouri's economy spans automotive and aerospace manufacturing in St. Louis and Kansas City, a substantial agricultural supply chain in rural counties, and growing logistics and distribution corridors anchored by the I-70 corridor. Those industries rely heavily on a mix of W-2 production workers and contracted specialists — a distinction Missouri regulators scrutinize under a common-law control test. Missouri does levy a state income tax on wages, so employers must handle state withholding on every paycheck. Getting the classification wrong on a 1099 contractor who should be a W-2 employee exposes the company to back unemployment taxes plus civil liability, making accurate classification a financial issue, not just a compliance formality.
Estimate a Missouri hire
Pre-filled with Missouri's 2.38% new-employer SUI rate. Adjust salary, benefits, and the 1099 rate to fit your hire.
Missouri employer tax facts
| Item | MO |
|---|---|
| New-employer SUI rate | 2.38% |
| SUI taxable wage base | $9,500 |
| Federal FICA (employer) | 7.65% |
| FUTA | 0.6% |
| State income tax on wages | Yes |
| Worker classification test | Common-law control test |
Example: a $75,000 hire in Missouri
At a $75,000 base salary with typical benefits, a W-2 employee in Missouri costs an employer $99,305 per year — $24,305 above base pay. An equivalent 1099 contract at $75,000 would cost $24,305 less; the breakeven contract rate is $99,305.
Misclassification risk in Missouri
Test: Common-law control test
Common-law test; back UI taxes and civil liability.
Penalties by stateCompare nearby rates
Missouri's 2.38% new-employer SUI rate sits near Hawaii (2.4%), Oregon (2.4%), Wyoming (2.35%), Indiana (2.5%). See the full 51-state comparison or the 2026 employer payroll tax reference.
Missouri hiring-cost FAQ
- What SUI rate does a new employer pay in Missouri, and on how much of each employee's wages?
- New Missouri employers pay a State Unemployment Insurance rate of 2.376% on the first $9,500 of each worker's wages per year, for a maximum annual SUI cost of $226.22 per employee. Once a worker's wages exceed $9,500, no additional SUI is owed for that calendar year.
- Does Missouri tax employee wages at the state level, and what does that mean for payroll?
- Yes, Missouri imposes a state income tax on wages, so employers must withhold Missouri state income tax from every W-2 paycheck and remit it to the Department of Revenue. This adds a withholding administration obligation that does not exist in the handful of states with no income tax.
- What happens if Missouri finds that a worker classified as a 1099 contractor should have been a W-2 employee?
- Missouri applies a common-law control test to determine worker status; if the state concludes a contractor was misclassified, the employer faces back unemployment insurance taxes plus civil liability. That exposure covers all periods the worker was incorrectly treated as independent, which can compound quickly for long-term engagements.