This guide covers both sides. We'll walk through what each classification actually means, how the IRS decides which is which, the practical differences in pay and taxes, and the mistakes that get businesses in trouble.
This is educational content, not tax or legal advice — for your specific situation, talk to a CPA or employment attorney.
The basic difference
W-2 employee — You work for a company, the company controls how you do the work, and they handle your taxes for you. You receive a Form W-2 at year-end showing wages and withholding.
1099 independent contractor — You're self-employed. You control how you do the work, and you handle your own taxes. The companies that paid you may issue you a 1099-NEC at year-end showing what they paid you (no withholding).
The terminology is technically wrong when people say "1099 employee" — if you're a 1099 contractor, you're not an employee. You're self-employed. But the term has stuck in common usage.
How the IRS decides
The IRS uses three categories to evaluate whether a worker is an employee or an independent contractor:
1. Behavioral control
Does the company control how you do the work? Things the IRS looks at:
- Instructions about when, where, and how to work
- Training provided by the company
- Required tools, equipment, or methods
- Required scheduling or hours
Lots of control points toward employee. Little control points toward contractor.
2. Financial control
Do you have financial independence?
- Do you have unreimbursed business expenses?
- Have you made significant investment in your own tools or equipment?
- Are you available to work for multiple companies?
- Do you make a profit or lose money based on how you run your work?
Financial independence points toward contractor.
3. Type of relationship
What does the relationship look like?
- Is there a written contract describing the relationship?
- Do you receive benefits like health insurance, retirement contributions, or paid time off?
- Is the work ongoing or project-based?
- Is the work a key part of the business?
Benefits and ongoing relationships point toward employee.
No single factor decides it — the IRS looks at the whole picture. A worker who has some independence but is otherwise integrated into the business as a key contributor is probably an employee.
Practical differences for the worker
Taxes
W-2 employee:
- Employer withholds federal income tax, FICA (Social Security and Medicare), and any state income tax
- Employer pays the employer-side FICA (7.65%) — it doesn't come out of your pay
- You file a normal Form 1040 at tax time and usually get a refund or owe a small amount
1099 contractor:
- No withholding — you receive gross payment
- You pay the full 15.3% self-employment tax (both halves of FICA) yourself
- You pay federal and state income tax yourself, usually through quarterly estimated payments
- You file Schedule C with your Form 1040 to report business income and deductions
- You set aside 25–30% of every payment for tax (more on this →)
Benefits
W-2 employee: May receive health insurance, retirement plan match, paid time off, sick leave, life insurance, and other benefits depending on the employer.
1099 contractor: None. You're responsible for your own health insurance, retirement savings, and time off. You can deduct some of these as business expenses, but you fund them yourself.
Deductions
W-2 employee: Limited business expense deductions. Most unreimbursed employee expenses are no longer deductible under current law.
1099 contractor: Can deduct ordinary and necessary business expenses against income on Schedule C — mileage, home office, equipment, software, health insurance, retirement contributions, and many more. (Full deduction guide →)
Legal protections
W-2 employee: Covered by wage and hour laws (minimum wage, overtime), workers' comp, unemployment insurance, anti-discrimination protections, and (often) other labor protections.
1099 contractor: Generally not covered by these. You're a separate business — you negotiate your own terms and bear the risks of being self-employed.
Predictability
W-2 employee: Steady paycheck, regular schedule, generally consistent income.
1099 contractor: Income can be irregular, payments may be delayed, and you bear the business risk of slow months. Some contractors earn far more than they would as employees; others earn less.
Practical differences for the business
Cost
Employees cost more than their salary. Beyond wages, you pay:
- 7.65% employer-side FICA
- Federal and state unemployment tax
- Workers' comp insurance
- Benefits (health, retirement, PTO)
- Payroll administration
A rough rule: employee total cost is typically 25–35% above gross salary.
Contractors generally cost what you pay them, plus the time to issue 1099s at year-end if you cross the threshold (1099 walkthrough →).
Compliance burden
Employees require:
- Payroll withholding and deposits
- Federal and state tax filings (941, 940, W-2, W-3, state unemployment)
- Workers' comp insurance
- I-9 documentation
- Compliance with labor laws
Contractors require:
- W-9 on file before paying
- 1099-NEC issued at year-end if threshold is met ($2,000 for 2026 payments, up from $600)
- That's largely it
Control
Employees can be directed — you tell them when, where, and how to do the work.
Contractors can only be contracted for outcomes — what needs to be done, by when. Trying to control how the work is done risks reclassification.
Reclassification risk
This is the big one. If the IRS (or a state agency, or a court, or the worker themselves through a complaint) decides a worker you treated as a contractor was actually an employee, the consequences are serious:
- Back payroll taxes (employer and employee side)
- Penalties and interest
- Potential wage and hour violations
- Back benefits owed
- Reclassification of similar workers (one finding can affect your whole roster)
Industries with traditionally high misclassification audit risk: construction, trucking, IT services, on-demand work, gig economy, agriculture.
Common mistakes
The patterns we see:
- Treating a long-term, full-time worker as a 1099 contractor to save on payroll taxes — high reclassification risk
- No W-9 on file for contractors before paying them
- Issuing 1099s to corporations when generally not required (corporations are exempt, with some exceptions)
- Forgetting state-level classification rules — some states (like California with AB5) have stricter rules than the IRS
- Workers volunteering to be 1099 to keep their full check — doesn't legally make them a contractor if the work relationship is actually employment
Frequently asked questions
Yes — they're different relationships. A part-time employee at one company could be a freelance contractor for another. What matters is the specific relationship, not the person.
Cheaper on paper — no payroll taxes, no benefits, no workers' comp. But cheaper turns expensive fast if the IRS reclassifies the worker. Use 1099 only when the relationship genuinely fits the contractor model.
You can move someone from contractor to employee easily — start running payroll and issue a W-2 going forward. Moving from employee to contractor is much more scrutinized, because it looks like an attempt to avoid payroll taxes. If the work fundamentally hasn't changed, the IRS likely won't accept the change.
Two special categories. Statutory employees (some commission drivers, life insurance agents, certain home workers) get a W-2 even though they look like contractors. Statutory non-employees (most real estate agents, direct sellers) are treated as self-employed even if they work consistently for one company. Most workers don't fall into these special categories.
Where to start
If you're a worker trying to figure out whether you're an employee or a contractor based on how you're actually being treated — and your employer says you're a 1099 but you have an employee-like relationship — that's worth raising with them. Misclassification can be challenged.
If you're a business owner trying to figure out which classification fits your workers, talk to a CPA or employment attorney before locking in the relationship. Getting it right at the start is much cheaper than fixing it after a reclassification audit.
SoFlo360 helps small business owners keep their books clean across both W-2 and 1099 worker relationships — payroll-side and contractor-side tracking that holds up at year-end. Spanish-friendly support is available for owners who'd rather handle financial conversations in Spanish.
Book a free consultation or learn more about our bookkeeping services.
This post is educational content, not legal or tax advice. For your specific situation, consult a qualified attorney or CPA.