5 Common Compliance Mistakes Small Businesses Make (And How to Avoid Them)

Employment law compliance is one of the most expensive blind spots in small business management. The Department of Labor, IRS, and EEOC collectively assess billions of dollars in penalties against small businesses every year — most of them for violations the business owner didn't even know were happening.

Here are the five compliance mistakes we see most frequently — and what you can do to avoid them.

Mistake #1: Misclassifying Employees as Independent Contractors

Worker misclassification is the single most common — and most costly — compliance error small businesses make. The IRS estimates that misclassification costs the federal government over $3 billion in lost tax revenue annually, and enforcement has intensified significantly in recent years.

When you misclassify an employee as an independent contractor, you're potentially liable for:

• Back payroll taxes (both employer and employee portions) plus interest
• Penalties of up to 100% of unpaid taxes in cases of intentional misclassification
• Unpaid overtime under the Fair Labor Standards Act (FLSA)
• Benefits that should have been provided (health insurance, 401k, etc.)
• State unemployment insurance and workers' compensation premiums

The IRS uses a multi-factor "economic reality" test to determine worker status. The key question isn't what you call the worker — it's how much control you actually exercise over their work. If you set their hours, provide their tools, or direct their day-to-day activities, they're likely an employee regardless of what your contract says.

Mistake #2: Missing ACA Reporting Deadlines

The Affordable Care Act (ACA) requires employers with 50 or more full-time equivalent employees (Applicable Large Employers, or ALEs) to file Forms 1094-C and 1095-C annually. But many small businesses don't realize they've crossed the ALE threshold — or don't realize that part-time hours count toward the calculation.

ACA penalties for 2025 are:

• Failure to offer minimum essential coverage: $2,970 per full-time employee (minus the first 30) if any employee receives a premium tax credit
• Coverage that doesn't meet minimum value/affordability: $4,460 per employee who receives a premium tax credit
• Late or incorrect 1095-C filing: $310 per form, up to $3.783 million per year

A PEO partnership transfers ACA reporting responsibility to the PEO, which files under its own EIN and maintains the compliance infrastructure to meet all deadlines accurately.

Mistake #3: FLSA Overtime Violations

The Fair Labor Standards Act (FLSA) requires non-exempt employees to receive overtime pay (1.5x their regular rate) for all hours worked over 40 in a workweek. The most common violations we see:

• Misclassifying non-exempt employees as exempt: Just because someone is salaried doesn't make them exempt. Exempt status requires meeting specific duties tests AND earning above the salary threshold ($684/week as of 2024).
• Off-the-clock work: If employees check email, attend pre-shift meetings, or perform any work outside their scheduled hours, that time is compensable.
• Averaging hours across pay periods: You cannot average 35 hours one week and 45 hours the next to avoid overtime. Each workweek stands alone.
• Improper deductions from exempt salaries: Making deductions from an exempt employee's salary for partial-day absences can destroy their exempt status retroactively.

Mistake #4: Inadequate I-9 Compliance

Form I-9 employment eligibility verification is required for every employee hired after November 6, 1986. Yet I-9 violations are among the most common findings in ICE audits — and the penalties are steep:

• Paperwork violations: $281 to $2,789 per violation (2024 rates)
• Knowingly hiring unauthorized workers: $698 to $27,894 per unauthorized worker for a first offense
• Pattern or practice violations: Criminal penalties including fines and imprisonment

Common I-9 errors include accepting expired documents, failing to complete Section 2 within three business days of hire, and not re-verifying employment authorization for employees with temporary work authorization.

Mistake #5: Ignoring State-Specific Employment Laws

Federal employment law sets the floor — many states have significantly more stringent requirements. If you have employees in multiple states (or even one state with aggressive labor laws), you need to be tracking:

• State minimum wage rates: 30+ states have minimum wages above the federal $7.25/hour, with some cities (Seattle, San Francisco) exceeding $17/hour
• Paid leave requirements: 14 states plus D.C. now require paid family and medical leave; many more require paid sick leave
• Pay transparency laws: Colorado, California, New York, and Washington now require salary ranges in job postings
• Non-compete enforceability: California bans non-competes entirely; many other states have enacted significant restrictions
• Final paycheck timing: State laws vary from "immediately upon termination" to "next regular payday"

KeyHR's HR compliance team monitors legislative changes in all 50 states and proactively updates client policies and procedures to maintain compliance — so you don't have to track it yourself.

The PEO Solution: Compliance by Design

The most effective way to avoid compliance violations isn't to become an employment law expert — it's to partner with one. A PEO like KeyHR provides:

• Dedicated HR compliance specialists who monitor federal and state law changes
• Proactive policy updates and employee handbook revisions
• Payroll tax filing and ACA reporting handled under the PEO's EIN
• Workers' compensation coverage and claims management
• I-9 compliance support and E-Verify integration
• Employment practices liability guidance

NAPEO research shows that PEO clients are 50% less likely to go out of business than comparable non-PEO businesses. Compliance protection is a significant part of that statistic.