How to Start a Business in Washington
Everything it takes to legally start a business in Washington, in order — with the official Washington links for each step. Most people can complete the core setup in one to three weeks.
Pick a structure (sole proprietor or LLC)
Most Washington owners start as a sole proprietor (free, no filing) or form an LLC for liability protection. The LLC filing fee is about $200, and formation typically takes about 2–3 business days online. Confirm the current fee on the state site before you pay.
Name a registered agent
If you form an LLC or corporation, Washington needs a registered agent with a physical in-state address. You can be your own agent if you're available during business hours, or hire a service for about $100–$150/year.
Get your EIN from the IRS
An Employer Identification Number is free from the IRS and takes a few minutes online. You need it to open a business bank account and to hire.
Register for Washington taxes
Washington has a state sales/use tax and has no state individual income tax. Washington has no income tax but levies the Business & Occupation (B&O) tax on gross receipts, plus a combined state business license.
Confirm local licenses and permits
Washington rarely issues a single statewide "business license" — most licensing is by city or county, plus profession-specific licenses. Check your city and your trade.
Open a business bank account and get insurance
Keep business and personal money separate from day one. General liability insurance is the baseline; some contracts also require a bond.
Put the ongoing report on your calendar
Washington requires a annual report (about $60).
Get this as a personalized plan
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Build my planFrequently asked
How much does it cost to start an LLC in Washington?
The state filing fee is about $200. Beyond that, budget for a registered agent if you hire one (~$100–$150/year), the annual report (~$60), and any local license fees. An EIN is free.
Do I need an LLC to start a business in Washington?
No. You can operate as a sole proprietor in Washington with no state filing. An LLC adds a layer of personal liability protection and can make you look more established to customers and lenders — it's a judgment call based on your risk and goals, not a legal requirement.
How long does it take to form an LLC in Washington?
Standard processing is about 2–3 business days online. Many states offer paid expedited options.
Does Washington have a sales tax?
Yes. If your product or service is taxable in Washington, you must register with the state tax agency before you collect tax. Many services are not taxable — confirm on the official site.
What ongoing filings does a Washington LLC have?
Washington requires a annual report (about $60).
Official sources
- Washington — form your LLC or corporation
- Washington — business tax registration
- Washington — professional & occupational licensing
- Washington — annual / periodic report
- IRS — apply for an EIN (free)
- SBA — 10 steps to start a business
Fees and timelines are commonly-cited figures last reviewed 2025-06 and can change — always confirm on the official site. This is educational information, not legal or tax advice.
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