Are you ready to start your local business in California? You'll first need to register your business with the state of California, which offers several types of business registrations. Get started with this important legal step!

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This beginner's guide only covers business registration at the state level, not local, such as with a city or county. Most cities and counties require a business to first register at the state level before any local business registration can proceed, such as with local business licenses and permits.
In addition, business registrations of non-profits and other less common business structures are not covered in this beginner's guide.
Step 1: Choose a Business Structure
To start a small business, you first need to choose a business structure which is a government classification for legal and tax purposes. In California, you can structure your business as a:
Sole Proprietorship
General Partnership
Limited Partnership
Limited Liability Partnership
Limited Liability Company
Corporation
Professional Corporation*
Each business structure has important legal and tax differences that may or may not be optimal for your small business.
*Only certain professions can form a Professional Service Corporation.
Helpful Resources to Help You Decide
Use the following resources to help your choose the right business structure:
Book/eBook
Read Nolo's latest edition book/ebook called Legal Guide for Starting & Running a Small Business, which provides an excellent and easy-to-understand overview of business structures and other important small business topics.
Online Business Quiz
Answer a few business questions with an online quiz and get a suggested business structure. Compare results with these online quizzes created by professional online filing services: CorpNet, Legalzoom, and MyCoporation.
Online Legal Advice
Consult a lawyer with RocketLawyer for a reasonable fee. Get advice on which business structure you should choose and have your legal questions answered by a real lawyer. Rocket Lawyer is a leading and top-rated online platform that provides online legal services.
Step 2: Check Business Name Availability
Once you have chosen a business structure, the next step is to check if your proposed business name is available in the state of California. You can avoid filing delays or rejection by ensuring your proposed business name is not the same or similar to another registered business name.
Do a quick business name search on the California Secretary of State's website:
Federal Trademark Business Name Search
For extra precaution, you should also check the United States Patent and Trademark Office's (USPTO) website for business names registered as federal trademarks. A business name registered as a federal trademark gives that business nationwide legal protection from other similar businesses from using that name, even if that business does not do business in California.
Avoid using a business name that is the same or similar to a business name registered as a federal trademark. Start your online search:
Business Name Reservation (Optional)
If your proposed business name is available in California, but you are not sure yet which business structure to choose, the state of California lets you reserve a business name for a limited time; however, this only applies to certain business structures/entities (see form).
To reserve a business name, you must file a Name Reservation Form and pay a state filing fee.
Step 3: File State Paperwork
Once you have selected a business structure and found an available business name, you're ready to make your business official. You can register your business or do what many small business owners do and use a professional online filing service.
Using an online filing service is an excellent option if you find it too complicated to do it yourself or you find it too expensive to hire a local professional to do it for you. Online filing services also offer an important business service called a registered agent, which is required for most business structures.
If you register your business yourself, read carefully the instructions on how to complete the form correctly. Look out for details such as:
Providing a proper address (on some lines/sections, a PO BOX or Personal Mailbox will not be accepted)
Providing an eligible registered agent (there are specific qualifications a registered agent must have)
Including certain words or abbreviations in your business name
Sole Proprietorship
The state of California does not require a sole proprietorship to register at the state level.
No recommended online filing service |
General Partnership
The state of California does not require a general partnership to register at the state level, but it is optional. To register a general partnership in California, use the following form:
Statement of Partnership Authority
No recommended online filing service |
Limited Partnership
To register a domestic Limited Partnership in California, use the following form:
Certificate of Limited Partnership
Recommended online filings service: Legalzoom |
Limited Liability Partnership (LLP)
To register a domestic Limited Liability Partnership in California, use the following form:
Application to Register a Limited Liability Partnership
Recommended online filing service: Legalzoom |
Limited Liability Company (LLC)
To register a domestic Limited Liability Company in California, use the following form:
Articles of Organization-Limited Liability Company
Recommended online filing service: ZenBusiness |
Corporation
To register a domestic corporation in California, use the following form:
Articles of Incorporation-General Stock
Recommended online filing service: ZenBusiness |
Professional Corporation
To register a domestic professional corporation in California, use the following form:
Articles of Incorporation-Professional
Recommended online filing service: CorpNet |