Learn what makes a worker an independent contractor, how contractors report income and expenses, and why California classification may differ.
An independent contractor is a person or business engaged to produce a result while generally retaining control over how the work is performed. For federal tax purposes, an individual independent contractor is self-employed rather than an employee of the client.
Federal tax classification looks at the entire relationship. The IRS organizes relevant evidence into three broad categories:
No single fact automatically controls. The legal right to control matters even when the business does not exercise that right every day.
These facts are commonly overvalued:
Each can be relevant, but classification requires the full factual and legal test.
An individual contractor generally reports business income and deductible expenses on Schedule C and calculates self-employment tax on Schedule SE. Income tax and self-employment tax may both apply.
Because clients usually do not withhold tax, contractors may need quarterly estimated payments. Ordinary and necessary business expenses may be deductible when the contractor has records and meets the specific rule. Personal expenses are not converted to business deductions by placing them on a business card.
A business may be required to issue Form 1099-NEC for reportable nonemployee compensation. Payments through certain third-party networks or payment cards may instead be reported on Form 1099-K. A contractor must report taxable income whether or not a form arrives.
Before certain payments, a business may request Form W-9, which supplies the contractor's name, tax classification, address, and taxpayer identification number. Backup withholding can apply in some circumstances.
A dental office hires a licensed plumber to replace a water line. The plumber advertises to the public, supplies tools, determines the method, carries business insurance, can earn a profit or suffer a loss, and invoices for the completed project. Those facts support an independent business relationship.
By contrast, calling a front-desk worker a "contractor" while the office sets the schedule, trains the worker, requires its procedures, provides the system, and maintains an ongoing relationship raises employee-classification concerns. The examples illustrate facts; they are not automatic rules.
"Independent contractor" describes the relationship between a service provider and client. "Sole proprietor" describes a one-owner unincorporated business. An individual contractor may operate as a sole proprietor, a single-member LLC, or through another entity.
Classify the worker before the first payment. Document the services, independence, business terms, insurance, invoicing, and tax information. If the person is an employee, establish payroll and comply with wage, tax, unemployment, workers' compensation, and reporting requirements.
Businesses and workers can submit Form SS-8 to request an IRS determination for federal employment-tax and withholding purposes.
California generally presumes a worker is an employee under the ABC test unless the hiring entity proves all three:
California law contains exemptions and special rules under which the Borello test or another standard may apply. Federal and California conclusions should be documented separately. See Employee vs. Independent Contractor for a fuller comparison.
Heath Income Tax can help contractors organize reporting and estimated payments, and help businesses coordinate tax and payroll records after the proper classification is established.
Can a contractor work for only one client?
Yes, but one-client dependence can be relevant to the classification analysis. No client count replaces the full test.
Does an LLC make me a contractor?
No. Entity formation does not decide the working relationship.
Can an employee also have contractor income?
Yes, if the separate activity is genuinely an independent trade or business.
What if I think I was misclassified?
Gather the agreement, instructions, schedules, pay records, and other facts. Federal Form SS-8 and California labor or tax resources may be relevant; legal and tax consequences should be reviewed promptly.
The definitions and examples on this page are for informational purposes only and do not constitute tax advice. Tax laws change frequently and individual circumstances vary. Consult a qualified tax professional before making decisions based on this content.
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