California Business Portal (GO-Biz & CalOSBA)
Central hub to help start, grow & run your business.
Register for Permits, Licenses & Accounts
Register for sales tax, permits & fee accounts with the state.
Small Business Development Centers (SBDC)
Free/low-cost business advising and training statewide.
Business License & Tax Registration (City of LA)
Local business registration and tax certificate.
California Secretary of State – Starting a Business
Guides on entity selection, formation, and filings (LLC, corp, etc.).
How to Start a Business in California (step-by-step) from Intuit QuickBooks
A step‑by‑step QuickBooks guide that explains how to start a business in California, covering registration, licensing, funding, taxes, and compliance.