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Solopreneur vs sole proprietorship vs LLC

A solopreneur is a way of working; a sole proprietorship and an LLC are legal structures. How they relate, plus taxes and liability compared.

These terms get mixed up because they overlap. Solopreneur describes how you run a business: alone. Sole proprietorship and LLC are legal structures the business can use.

SolopreneurSole proprietorshipSingle-member LLC
What it isA person running a business aloneThe default legal form for one ownerA state-registered entity
Setup—Automatic when you start trading (plus local licences)State filing and fee (by state)
LiabilityDepends on structureOwner personally liableGenerally limited, if formalities are kept
Federal tax (default)Depends on structureSchedule C and self-employment taxDisregarded entity: also Schedule C, unless it elects otherwise

So a solopreneur can be a sole proprietor, a single-member LLC, or even a one-person S corporation. The IRS treats a single-member LLC as a "disregarded entity" by default (IRS: single-member LLCs).

Which should you choose?

Start as a sole proprietor to test an idea. Form an LLC when you have real liability exposure, meaningful revenue, or clients who prefer contracting with an entity. Full guide: should a solopreneur form an LLC?

General information, not legal or tax advice.

Frequently asked questions

Is a solopreneur a sole proprietor?
Often, but not necessarily. Solopreneur describes working alone; sole proprietorship is one legal structure a solopreneur may use. Many use an LLC instead.

Sources

  1. IRS: single-member LLCs irs.gov

Checked 21 Oct 2026. Spotted an error? Tell us.

Update history
  • : first published; figures checked against the sources listed.

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