The core distinction: control
The single most important factor is control. Employees work under the direction of the business — set hours, assigned tools, supervised tasks. Independent contractors decide how the work gets done; the business only specifies the result.
If you're telling someone exactly when to log in, what software to use, and how to do the job, the IRS will likely see them as an employee, regardless of what your contract says.
Side-by-side comparison
- Control — Employee: directed by employer. Contractor: independent.
- Tools — Employee: provided. Contractor: usually their own.
- Schedule — Employee: set by company. Contractor: their own.
- Payment — Employee: salary or hourly with tax withholding. Contractor: invoiced, no withholding.
- Benefits — Employee: eligible for benefits. Contractor: none.
- Taxes — Employee: W-2, employer pays half of FICA. Contractor: 1099, pays self-employment tax.
- Termination — Employee: usually at-will with protections. Contractor: per contract terms.
The IRS three-factor test
The IRS evaluates classification using behavioral control, financial control, and the type of relationship. No single factor decides — they look at the full picture.
Behavioral control covers how, when, and where the work is done. Financial control covers who pays for tools, who assumes profit/loss risk, and how payment is structured. The relationship factor covers written contracts, benefits, and the permanence of the arrangement.
Which agreement do you need?
If the relationship is genuinely contractor-style, use an independent contractor agreement that defines scope, deliverables, payment, IP ownership, and termination.
If the relationship is employee-style, use an offer letter and employment agreement. Trying to disguise an employee as a contractor with paperwork doesn't fix the underlying classification — it just adds paperwork to the dispute.
Frequently asked
- Can I just call someone a contractor in the agreement?
- No. The actual working relationship determines classification, not the label in the contract. Misclassification can lead to back taxes, penalties, and benefit liabilities.
- Do contractors need to be paid hourly?
- Not at all. Contractors can be paid hourly, by milestone, by deliverable, or on retainer. Flat fees per project are common.
- Should a contractor sign an NDA too?
- Almost always — pair the contractor agreement with a Contractor NDA when sensitive information is involved.
- Can a contractor become an employee later?
- Yes. Many companies start with a trial contractor period and convert to W-2 once the role becomes ongoing and supervised.
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