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Certificate of Incorporation Definition
Certificate of Incorporation is a legal document that officially establishes a new corporation, providing it with legal recognition as a separate entity from its owners and outlining its basic structure and purpose.

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Last Updated: February 26, 2026
What are Certificates of Incorporation?

This guide explains all the need-to-know facts about a Certificate of Incorporation, including what it is, what information is included on it, what business type requires it, and more.
Certificate of Incorporation Definition
According to the Small Business Administration (SBA), a Certificate of Incorporation is a comprehensive legal document that details the basic information about a corporate entity. A form of this document is required by each state to formally register a business to conduct business legally.
If an incorporator doesn’t file the Certificate of Incorporation with the state, they won’t have an official legal entity. Thus, properly filing the Certificate of Incorporation is essential for any new business owner intending to start a corporation.
Other Names for Certificate of Incorporation
Importantly, a Certificate of Incorporation isn’t called by that name in every state. For example, depending on what state the company is located in, Certificates of Incorporation might instead be referred to as:
- Articles of Incorporation
- Articles of Association
- Corporate Charter
No matter what this document is referred to in a particular state, know that it serves the same overall purpose for the corporation.
Certificate of Incorporation Examples: What Information to Include
The exact information an entrepreneur must include in their Certificate of Incorporation (or equivalent formation document) depends on the state of incorporation. However, most states require similar information.
For example, a Certificate of Incorporation must typically include information such as:
- Business legal entity name
- Duration of the corporation
- Principal business office address
- Name and address of the business’s registered agent
- Name and address of the initial incorporators of the business
- Number and value of shares offered
- Purpose of the corporation
- Names of any initial directors and officers of the corporation
As always, entrepreneurs will need to verify that all information is accurate before filing a Certificate of Incorporation.
Does every small business need a Certificate of Incorporation?
Technically, not all businesses will need to file a Certificate of Incorporation for their small business. This is because only corporations use a Certificate of Incorporation during their formation process. Conversely, if an entrepreneur is registering a limited liability company, they’d need to file the Articles of Organization — also known in some states as a Certificate of Organization — as their required state formation document. In short, if an entrepreneur is forming a corporation, they’ll use a Certificate of Incorporation, but the form will vary for other entity types.
Certificate of Incorporation Definition Summary
A Certificate of Incorporation is an important legal document that will serve as the official registration document for a corporation. This document goes by a number of different names in different states. However, regardless of the precise name used in a given state, the purpose of the form stays the same.
A corporation won’t be legally formed until the Certificate of Incorporation is correctly filed with the state. Business owners would be prudent to consult with a legal professional before submitting documents to help ensure that the form is correct.
Form a Corporation in These States
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Form a Corporation in California
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Form a Corporation in Texas
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Form a Corporation in Colorado
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Form a Corporation in Michigan
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Form a Corporation in Florida
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Form a Corporation in New York
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Form a Corporation in South Dakota
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Form a Corporation in Georgia
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Form a Corporation in Virginia
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Form a Corporation in Alaska
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Form a Corporation in Arizona
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Form a Corporation in Arkansas
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Form a Corporation in New Mexico
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Form a Corporation in North Carolina
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Form a Corporation in West Virginia
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Form a Corporation in Wisconsin
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Form a Corporation in Tennessee
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Form a Corporation in Louisiana
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Form a Corporation in Rhode Island
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Form a Corporation in Montana
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Form a Corporation in Nevada
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Form a Corporation in Vermont
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Form a Corporation in Oklahoma
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Form a Corporation in Minnesota
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Form a Corporation in District of Columbia
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Form a Corporation in Connecticut
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Form a Corporation in Kansas
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Form a Corporation in New Hampshire
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Form a Corporation in Mississippi
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Form a Corporation in Missouri
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Form a Corporation in Illinois
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Form a Corporation in New Jersey
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Form a Corporation in Hawaii
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Form a Corporation in Indiana
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Form a Corporation in Washington
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Form a Corporation in Iowa
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Form a Corporation in Maryland
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Form a Corporation in Nebraska
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Form a Corporation in Wyoming
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Form a Corporation in South Carolina
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Form a Corporation in Kentucky
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Form a Corporation in Alabama
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Form a Corporation in North Dakota
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Form a Corporation in Oregon
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Form a Corporation in Idaho
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Form a Corporation in Utah
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Form a Corporation in Massachusetts
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Form a Corporation in Maine
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Form a Corporation in Delaware
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Form a Corporation in Ohio
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Form a Corporation in Pennsylvania
Additional Definitions
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Business Financing Definition
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Incorporation Definition
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Authorized Capitol Definition
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Articles of Incorporation Definition
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Working Capital Definition
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No Par Value Shares Definition
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Disclaimer: The content on this page is for information purposes only and does not constitute legal, tax, or accounting advice. For specific questions about any of these topics, seek the counsel of a licensed professional.

Written by ZenBusiness Editorial Team
The ZenBusiness Editorial Team has more than 20 years of combined small business publishing experience and has helped over 950,000 entrepreneurs launch and grow their companies. The team’s writers and business formation experts are dedicated to providing accurate, practical, and trustworthy guidance so business owners can make confident decisions.
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