Secretary of State
Form, search, maintain, and order records for California business entities through the state’s official business programs.
Open guideCalifornia Business Hub
The essential California business offices, all in one place.
A carefully organized directory for entrepreneurs in Fullerton, Orange County, and across California—built around the task you need to complete.
Explore the directoryBuilt for action
Find the right office before filling out a form.
California businesses often interact with separate federal, state, county, and city organizations. The hub explains what each one handles so you can avoid sending the right question to the wrong office.
Links lead to official government pages or established nonprofit assistance organizations. Requirements and programs change, so verify current details at the source.
Eight focused guides
Choose the organization or task you need.
Each guide explains when to use the resource, how to prepare, and where to go next.
Franchise Tax Board
Find California business tax filing, payment, account, and entity-specific information from the Franchise Tax Board.
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IRS
Reach official federal resources for EINs, business taxes, recordkeeping, employment taxes, address changes, and business life-cycle questions.
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Business Licenses
Find the city, county, and state offices that may regulate a California business based on its activity and physical location.
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SBA
Use U.S. Small Business Administration planning, funding, contracting, counseling, and local-assistance resources.
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SBDC Locations
Find Small Business Development Center advising, training, capital-readiness, and specialty programs in California and Orange County.
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Chambers of Commerce
Find local and affinity chambers for networking, community visibility, education, advocacy, and business connections.
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Orange County
Reach county services, fictitious business name records, city license offices, local assistance, and business organizations in one place.
Open guideKeep the addresses straight
One business may use different addresses for different jobs.
Entity records, service of process, mail, licensing, banking, and customer-facing use are separate questions. Confirm acceptance with every agency or institution before submitting an address.