Washington Small Business Law Guide — Formation, Contracts & Compliance
Business formation, licensing, contracts, tax obligations, and regulatory compliance for small businesses in Washington.
Starting a business means navigating a series of legal requirements — entity formation, state registrations, tax obligations, employment law, and contracts — each governed by different statutes and agencies. Getting the legal foundation right from the start protects your personal assets, keeps you in compliance, and prevents disputes that are far more expensive to fix later. Below is the general sequence from formation through ongoing operations, with the decision points that matter most.
Business Entity Types
| Filing Fee | Key Features | |
|---|---|---|
| LLC | $200[Washington SoS] | Limited liability, flexible management, pass-through taxation |
| Corporation | $180[Washington SoS] | Formal structure, stock issuance, double taxation (unless S-corp) |
| Sole Proprietorship | No state filing | Simplest, no liability protection |
| Partnership | Varies | Shared management, personal liability (unless LP/LLP) |
Key Requirements in Washington
Tax Structure
No state income tax; Business & Occupation (B&O) tax on gross receipts (0.471%–3.3% depending on activity); sales tax (6.5% state + local); popular for LLCs due to no income tax.
Resolving Business Disputes
Washington does not have a dedicated business court; commercial disputes heard in superior court. Small claims court in Washington handles disputes up to $10,000 for claims brought by a natural person ($5,000 in all other cases, including claims by business entities) §12.40.010.
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Frequently Asked Questions
General answers to common questions. Specific outcomes depend on your facts and timing.
If you have a deadline, court notice, or upcoming hearing, mention it when requesting assistance so timing can be evaluated promptly.

