-
by Sam Mollaei
- Start Your Business Here »
A California Professional Corporation is a business created for licensed professionals to offer services like healthcare, law, or engineering. It helps protect personal assets by separating them from business liabilities.

Only licensed individuals can own or run these corporations, following specific rules under California law. Each profession, like doctors, accountants, or architects, has its requirements. The business must meet licensing and ownership rules to stay in good standing.
Professional corporations also provide tax benefits and legal protections, making them a smart choice for those offering specialized services. Forming one involves filing paperwork with the Secretary of State and meeting licensing rules.
Thinking of starting a Professional Corporation in California? Mollaei Law can guide you through every step to ensure your business is set up correctly.
California Professional Corporation: Simplifying Your Business Structure
California Professional Corporations helps practitioners understand formation, licensing, ownership requirements, and tax implications for establishing a successful professional business in California.
Professional Medical Corporation
A medical corporation in California allows licensed physicians to provide medical services through a business structure.
This corporation must comply with the California Business and Professions Code. It ensures legal protections for owners and simplifies operations for licensed professionals.
Who Can Be Owners
Only licensed physicians can own shares. However, specific healthcare professionals may hold minority shares, including nurses and physician assistants. This ensures that qualified professionals deliver medical services.
Shareholder Requirements
- Shareholders must hold valid California medical licenses.
- The majority of shareholders must be licensed physicians.
- Other healthcare professionals may hold up to 49% shares.
- Non-medical professionals cannot be shareholders.
- Shareholders must adhere to professional service ethics.
Licensing Requirements Needed
- All owners must hold active California medical licenses.
- The corporation must register with the Medical Board of California.
- Renew licenses to maintain compliance with state laws.
- Include license details during the formation process.
- Abide by specific regulations under the Business and Professions Code.
Tax Implications Involved
Medical corporations are taxed as C or S corporations. California professional corporations face double taxation if registered as C corporations.
S corporations help avoid double taxation but have shareholder limits. Seek tax advice to choose the best structure.
Formation Process Steps
- Reserve a corporate name following state guidelines.
- File Articles of Incorporation with California.
- Obtain licenses from the Medical Board.
- Create corporate bylaws for governance.
- Register for state and federal taxes.
Dental Corporation
A dental corporation in California has been established to offer professional services to licensed dentists. It provides liability protection and follows strict state regulations. This corporation must comply with the Business and Professions Code.
Who Can Be Owners
Only licensed dentists can be primary shareholders. However, other licensed healthcare professionals, like dental hygienists, can hold minority shares.
Shareholder Requirements
- Shareholders must hold valid California dental licenses.
- The majority of shares must belong to dentists.
- Dental hygienists may hold minority shares.
- Shareholders must follow professional service standards.
- No non-dentists can own controlling shares.
Licensing Requirements Needed
- Owners must have active dental licenses in California.
- Register the corporation with the Dental Board of California.
- Renew licenses regularly to stay compliant.
- Include license numbers when forming the corporation.
- Adhere to California’s professional service regulations.
Tax Implications Involved
Dental corporations can choose C or S corporation tax status. C corporations face double taxation, but S corporations avoid it. Professional advice is recommended to optimize tax strategies.
Formation Process Steps
- Select a compliant corporate name.
- File incorporation documents with California.
- Obtain Dental Board licenses.
- Draft corporate bylaws for internal governance.
- Register for federal and state taxes.
Chiropractic Corporation
A chiropractic corporation allows licensed chiropractors to offer services through a corporate structure. This corporation must comply with the Business and Professions Code, offering limited liability to owners.
Who Can Be Owners
Only licensed chiropractors can own or control shares. Ownership ensures adherence to professional service standards.
Shareholder Requirements
- Shareholders must hold active California chiropractic licenses.
- Only chiropractors can control the majority of shares.
- No non-chiropractors may hold shares.
- Shareholders must follow ethical standards.
- Licenses must remain active for all shareholders.
Licensing Requirements Needed
- Owners must have valid chiropractic licenses.
- Register with the California Board of Chiropractic Examiners.
- Submit license details during incorporation.
- Maintain active licenses at all times.
- Adhere to California’s service laws and standards.
Tax Implications Involved
Chiropractic corporations may opt for C or S corporation tax status. The proper structure depends on the business’s needs to manage taxes effectively.
Formation Process Steps
- Choose an appropriate corporate name.
- File Articles of Incorporation with the state.
- Obtain chiropractic licenses from the Board.
- Draft bylaws outlining business governance.
- Register with tax authorities.
Accountancy Corporation
An accountancy corporation in California allows licensed accountants to offer accounting services. This corporation must follow the rules outlined in the Business and Professions Code.
Who Can Be Owners
Only licensed accountants may hold shares. Non-accountants cannot own shares or influence operations.
Shareholder Requirements
- Shareholders must hold valid accounting licenses.
- The majority of shareholders must be licensed accountants.
- Non-accountants cannot own shares.
- Shareholders must maintain active licenses.
- Adhere to professional ethics guidelines.
Licensing Requirements Needed
- Owners must hold California CPA licenses.
- Register with the California Board of Accountancy.
- Renew licenses regularly to maintain compliance.
- Provide license details in incorporation documents.
- Follow state accounting standards strictly.
Tax Implications Involved
Accountancy corporations may register as C or S corporations. S corporations provide tax advantages by avoiding double taxation
Formation Process Steps
- Choose a compliant corporate name.
- File Articles of Incorporation with California.
- Obtain CPA licenses from the Board.
- Create internal bylaws for governance.
- Register for state and federal taxes.
Legal Corporation
A legal corporation is formed for attorneys to provide legal services. This type of corporation must comply with the California Business and Professions Code.
Who Can Be Owners
Only licensed attorneys may own shares in a legal corporation.
Shareholder Requirements
- Shareholders must hold active law licenses in California.
- The majority of shareholders must be attorneys.
- Non-attorneys cannot own any shares.
- Shareholders must comply with legal service standards.
- Maintain active law licenses throughout ownership.
Licensing Requirements Needed
- Attorneys must have valid California Bar licenses.
- Register the corporation with the State Bar of California.
- Include license details during incorporation.
- Keep licenses active and up-to-date.
- Follow state legal service regulations.
Tax Implications Involved
Legal corporations can choose between C or S corporation status. S corporations are usually preferred to avoid double taxation.
Formation Process Steps
- Choose a legal corporate name.
- File Articles of Incorporation with California.
- Obtain State Bar licenses.
- Create bylaws for governance.
- Register with tax authorities.
Architectural Corporation
An architectural corporation provides architectural services and must comply with California’s Business and Professions Code. This corporation offers liability protection to licensed professionals.
Who Can Be Owners
Only licensed architects may own shares, ensuring professional service standards.
Shareholder Requirements
- Shareholders must have active architectural licenses.
- The majority of shares must belong to architects.
- Non-architects cannot hold controlling shares.
- Shareholders must follow ethical practices.
- Licenses must remain active.
Licensing Requirements Needed
- Architects must hold valid California licenses.
- Register with the California Architects Board.
- Provide license information during incorporation.
- Renew licenses regularly to stay compliant.
- Follow state regulations strictly.
Tax Implications Involved
Architectural corporations may opt for C or S corporation tax structures. The S corporation is often favored to avoid double taxation.
Formation Process Steps
- Reserve a corporate name.
- File Articles of Incorporation.
- Obtain architect licenses.
- Create bylaws for internal management.
- Register for taxes.
Psychology Corporation
A psychology corporation in California allows licensed psychologists to render professional services through a business structure.
This type of professional corporation must comply with the Moscone-Knox Professional Corporation Act and California law, providing liability protection for owners and facilitating the delivery of mental health services.
Who Can Be Owners
Only licensed psychologists can own shares. Other licensed healthcare professionals may hold minority shares. Ownership ensures services in California meet regulatory standards.
Shareholder Requirements
- Shareholders must have valid California psychology licenses.
- Licensed psychologists must hold majority ownership.
- Other healthcare professionals may hold minority shares.
- Shareholders must follow the Professional Corporation Act.
- Shareholders must meet ethical service standards.
Licensing Requirements Needed
- Hold active psychology licenses in California.
- Register with the California Board of Psychology.
- Provide license details in articles of incorporation.
- Maintain valid licenses to ensure compliance.
- Follow the corporation’s code and licensing laws.
Tax Implications Involved
A psychology corporation may choose C or S corporation tax status. The right structure depends on the business’s needs to optimize tax efficiency.
S corporations avoid double taxation, while C corporations offer other benefits for limited liability.
Formation Process Steps
- Select a name under California law.
- File articles of incorporation with the Secretary of State.
- Obtain necessary psychology licenses.
- Create bylaws for internal governance.
- Register for federal and state taxes.
Physical Therapy Corporation
A physical therapy corporation in California is formed to offer professional services to licensed physical therapists in California. This professional corporation must adhere to the Moscone-Knox Act and comply with California law to ensure proper licensing and liability protection.
Who Can Be Owners
Only licensed physical therapists may own the majority of shares. Some healthcare professionals, like occupational therapists, may hold minority shares.
Shareholder Requirements
- The majority of ownership must be by physical therapists.
- Shareholders need valid physical therapy licenses.
- Non-therapists cannot control the corporation.
- Must comply with the corporation’s code.
- Adhere to professional and ethical standards.
Licensing Requirements Needed
- Hold valid physical therapy licenses.
- Register with the California Physical Therapy Board.
- Provide license numbers in incorporation documents.
- Maintain licenses for continuous compliance.
- Follow the Professional Corporation Act.
Tax Implications Involved
Physical therapy corporations may opt for S corporation status to avoid double taxation. Limited liability ensures personal assets are protected.
C corporations may offer other benefits depending on the structure. Consulting a tax advisor is recommended.
Formation Process Steps
- Choose a compliant business name.
- File articles of incorporation with the Secretary of State.
- Register with the Physical Therapy Board.
- Draft bylaws for corporate governance.
- Apply for state and federal tax registration.
Optometry Corporation
An optometry corporation allows licensed optometrists to provide eye care services in California.
The professional corporation must follow the Moscone-Knox Professional Corporation Act and meet licensing requirements to operate legally.
Who Can Be Owners
Only licensed optometrists may own shares. Some healthcare providers, like ophthalmologists, can hold minority shares.
Shareholder Requirements
- Licensed optometrists must control the majority of shares.
- Shareholders need valid California licenses.
- No non-healthcare professionals allowed.
- Must comply with the corporation’s code.
- Maintain professional service ethics.
Licensing Requirements Needed
- Hold valid optometry licenses.
- Register with the California State Board of Optometry.
- Include licenses in incorporation documents.
- Renew licenses to maintain compliance.
- Adhere to the Professional Corporation Act.
Tax Implications Involved
Optometry corporations may register as C or S corporations. S corporations offer tax efficiency, avoiding double taxation, while C corporations provide other financial benefits.
Liability protection is ensured under this professional corporation structure.
Formation Process Steps
- Reserve a name with the Secretary of State.
- File articles of incorporation.
- Register with the Optometry Board.
- Draft bylaws for management.
- Apply for tax registration.
Real Estate Corporation
A real estate corporation in California provides real estate brokerage services. This professional corporation must meet state licensing laws and comply with the California Secretary of State’s filing requirements to operate legally.
Who Can Be Owners
Only licensed real estate brokers may hold ownership. Real estate agents cannot hold shares without a broker’s license.
Shareholder Requirements
- The majority of shareholders must be licensed brokers.
- Shareholders need active California licenses.
- Must adhere to ethical real estate practices.
- Maintain valid licenses during ownership.
- Follow corporation code regulations.
Licensing Requirements Needed
- Hold valid broker licenses.
- Register with the Department of Real Estate.
- File licenses with articles of incorporation.
- Renew licenses for ongoing compliance.
- Follow the Moscone-Knox Act.
Tax Implications Involved
Real estate corporations may register as C or S corporations. S corporations avoid double taxation, but C corporations provide other financial options. Proper tax planning is crucial to ensure compliance and optimize savings.
Formation Process Steps
- Select a corporate name under California law.
- File articles of incorporation.
- Register with the Department of Real Estate.
- Create bylaws for internal control.
- Register for tax compliance.
Veterinary Corporation
A veterinary corporation in California offers veterinary services under a professional structure. The corporation must comply with the Moscone-Knox Act and California law to ensure professional standards are maintained.
Who Can Be Ownersp
Only licensed veterinarians can own shares. Some minority ownership may be allowed for related healthcare professionals.
Shareholder Requirements
- The majority of shares must belong to veterinarians.
- Shareholders need active veterinary licenses.
- Non-veterinarians cannot control shares.
- Must follow the corporation’s code.
- Adhere to ethical standards.
Licensing Requirements Needed
- Hold valid veterinary licenses.
- Register with the Veterinary Medical Board.
- File license numbers in incorporation documents.
- Renew licenses for compliance.
- Follow the Professional Corporation Act.
Tax Implications Involved
Veterinary corporations may register as C or S corporations. S corporations help avoid double taxation, making them a popular choice. Liability protection ensures personal assets remain safe.
Formation Process Steps
- Choose a name with the Secretary of State.
- File articles of incorporation.
- Register with the Veterinary Medical Board.
- Create internal bylaws for operations.
- Register for federal and state taxes.
Nursing Corporation
A nursing corporation in California allows licensed nurses to render professional services legally. It must comply with the Moscone-Knox Act and meet state licensing requirements.
Who Can Be Owners
Only licensed nurses may own shares, ensuring adherence to professional standards.
Shareholder Requirements
- Shareholders must hold active nursing licenses.
- The majority of ownership must be by licensed nurses.
- Non-nurses cannot own controlling shares.
- Shareholders must comply with ethical standards.
- Follow the corporation’s code.
Licensing Requirements Needed
- Hold valid nursing licenses in California.
- Register with the Board of Registered Nursing.
- Include license numbers in incorporation documents.
- Renew licenses regularly.
- Follow the Professional Corporation Act.
Tax Implications Involved
Nursing corporations may opt for C or S corporation tax status. S corporations help avoid double taxation, while C corporations provide other financial advantages. Professional advice ensures compliance and efficiency.
Formation Process Steps
- Reserve a business name under California law.
- File articles of incorporation.
- Register with the Nursing Board.
- Draft bylaws for corporate control.
- Apply for tax registration.
Social Work Corporation
A social work corporation allows licensed social workers to render the same professional services legally in California. It follows the California corporation’s code and provides liability protection while maintaining compliance with state regulations.
Who Can Be Owners
Licensed social workers must own the majority of shares, while other healthcare professionals may hold minority ownership.
Shareholder Requirements
- Shareholders need California-issued social work licenses.
- Licensed social workers hold majority ownership.
- Must follow the general corporation law.
- Officers of the corporation must be licensed professionals.
- Maintain ethical practices and professional standards.
Licensing Requirements Needed
- Hold active social work licenses in California.
- Register with the California Board of Behavioral Sciences.
- Include licenses in articles of incorporation.
- Renew licenses for continuous compliance.
- Meet California business and licensing requirements.
Tax Implications Involved
Social work corporations may choose C or S corporation status. S corporations avoid double taxation, while C corporations provide more flexibility for expansion.
Proper tax planning helps meet California state tax regulations.
Formation Process Steps
- Reserve a name under the California Corporations Code.
- File articles of incorporation with California state.
- Register with the California Board of Behavioral Sciences.
- Create internal bylaws for management.
- Obtain necessary tax registrations.
Speech-Language Pathology Corporation
A speech-language pathology corporation enables licensed speech-language pathologists to render professional services in California.
It operates under general corporation law and must follow the California board’s rules for compliance.
Who Can Be Owners
The majority of ownership must be held by licensed speech-language pathologists, with limited shares owned by other healthcare professionals.
Shareholder Requirements
- Shareholders need valid California speech-language pathology licenses.
- The majority of ownership must be by licensed pathologists.
- Officers of the corporation must also be licensed.
- Adhere to general corporation law requirements.
- Follow ethical standards set by the California board.
Licensing Requirements Needed
- Hold active speech-language pathology licenses.
- Register with the California Board of Speech-Language Pathology.
- Provide license numbers during incorporation.
- Maintain licenses for ongoing compliance.
- Meet all California corporation law requirements.
Tax Implications Involved
Speech-language pathology corporations may opt for S or C corporation tax status. S corporations offer tax efficiency, while C corporations provide flexibility. Following California business regulations ensure compliance.
Formation Process Steps
- Reserve a business name in California state.
- File articles of incorporation with the Secretary of State.
- Register with the Speech-Language Pathology Board.
- Create bylaws for corporate governance.
- Complete federal and state tax registration.
Acupuncture Corporation
An acupuncture corporation allows licensed acupuncturists to offer therapy services in California under the corporation’s code. Liability protection ensures personal assets remain safe while following state laws.
Who Can Be Owners
The majority of ownership must belong to licensed acupuncturists, but limited shares can go to other healthcare professionals.
Shareholder Requirements
- Shareholders need valid acupuncture licenses.
- The majority control belongs to licensed acupuncturists.
- Officers must also hold acupuncture licenses.
- Must follow the California corporation’s code.
- Maintain ethical and legal standards.
Licensing Requirements Needed
- Hold acupuncture licenses issued in California.
- Register with the California Acupuncture Board.
- Provide licenses during incorporation.
- Maintain licenses for continuous compliance.
- Follow all corporation law requirements.
Tax Implications Involved
Acupuncture corporations may select C or S corporation status. S corporations avoid double taxation, while C corporations allow financial growth. Following California business tax regulations ensures proper compliance.
Formation Process Steps
- Choose a name under California corporation law.
- File articles of incorporation.
- Register with the Acupuncture Board.
- Create bylaws for internal governance.
- Obtain necessary tax registrations.
Engineering Corporation
An engineering corporation in California enables licensed engineers to render the same professional services legally. It must comply with the California corporation’s code and state licensing requirements.
Who Can Be Owners
Licensed engineers must own the majority of shares, with minority shares held by other professionals in related fields.
Shareholder Requirements
- Shareholders need valid California engineering licenses.
- The majority of control must belong to licensed engineers.
- Officers must hold engineering licenses.
- Follow the general corporation law.
- Maintain high ethical standards.
Licensing Requirements Needed
- Hold valid engineering licenses in California.
- Register with the California Board for Professional Engineers.
- Provide license details in incorporation documents.
- Follow the corporation’s code for compliance.
- Renew licenses regularly.
Tax Implications Involved
Engineering corporations can select C or S corporation status. S corporations help avoid double taxation, while C corporations offer flexibility. Proper planning ensures compliance with California state tax laws.
Formation Process Steps
- Reserve a name with the California Secretary of State.
- File articles of incorporation.
- Register with the California Engineering Board.
- Draft bylaws for corporate management.
- Register for federal and state taxes.
Wrap Up
A California Professional Corporation helps licensed professionals run their businesses smoothly while meeting state rules.
It offers legal protection, making sure personal assets stay safe if the business faces risks. Each type of corporation has specific requirements, so it’s essential to follow the proper steps for your profession. These corporations also allow professionals to manage taxes more efficiently.
Whether you’re a doctor, lawyer, or engineer, forming one ensures your business operates legally and professionally. With the right planning and paperwork, it becomes easier to focus on providing quality services while staying protected under California’s laws.
Ready to protect your assets with a Professional Corporation? Let Mollaei Law help you navigate the requirements and streamline the formation process.
