LLC Register
  • Start your business

    • Start an LLC
    • Form a Business
    • File an S-Corp Election
    • Hire a Registered Agent

    Filings & compliance

    • Articles of Organization
    • Certificate of Formation
    • Operating Agreement
    • EIN & Tax ID Number
    • Foreign Qualification
    • Change Registered Agent
    • Annual Report
    • Stay Compliant

    Not sure where to start?

    Pick your state to see LLC filing fees.

    CaliforniaFiling fee $70

    Form your LLC in California →
    Help me decide →
  • Resources
  • About Us
Start my LLC
  • Start your business
    • Start an LLC
    • Form a Business
    • File an S-Corp Election
    • Hire a Registered Agent
    Filings & compliance
    • Articles of Organization
    • Certificate of Formation
    • Operating Agreement
    • EIN & Tax ID Number
    • Foreign Qualification
    • Change Registered Agent
    • Annual Report
    • Stay Compliant

    Not sure where to start?

    Pick your state to see LLC filing fees.

    CaliforniaFiling fee $70

    Form your LLC in California →
  • Resources
  • About Us
Start my LLC
LLC Register
  1. Home
  2. ›
  3. Resources
  4. ›
  5. Corporation

Top 10 Things to Know Before Forming a Corporation

Before forming a corporation, decide which state to incorporate in, whether to elect C or S tax status, and who will serve as your registered agent, since all three affect your ongoing cost and paperwork. Budget for recurring state fees and franchise taxes, not just the initial filing fee, and plan to maintain real corporate formalities, bylaws, stock records, and documented meetings, from the start rather than treating them as optional.

By LLC Register · Last reviewed October 2, 2026

Read Comprehensive Guide
LLC Register

Key Takeaways

  • Your state of incorporation affects cost and investor fit

    Your home state, Delaware, and Wyoming each have different filing fees, ongoing franchise tax or report obligations, and investor familiarity, so the choice shouldn't be an afterthought.

  • C vs. S tax status has a strict election deadline

    Every corporation starts as a C corporation by default; electing S status instead requires filing Form 2553 within two months and fifteen days of the tax year it should apply to.

  • A registered agent is mandatory in every state

    Every state requires a corporation to continuously maintain a registered agent with a physical street address in the state of incorporation, named directly in the formation document.

  • Formalities protect the liability shield you're forming the corporation for

    Bylaws, documented stock issuance, and annual meetings or written consents aren't optional extras; skipping them is a common reason a court later disregards the corporate structure.

Start a Corporation
In this article
  • Comprehensive Guide
  • Practical Considerations

Comprehensive Guide

1. Choose the Right State

Most small businesses incorporate in their home state, where they actually operate, to avoid paying fees and maintaining a registered agent in two states at once. Startups planning to raise venture capital often choose Delaware instead, for its established corporate law; a business that wants low ongoing costs without investor expectations sometimes chooses Wyoming. Compare the actual filing fee, annual report or franchise tax, and investor familiarity for your specific situation rather than defaulting to a popular choice.

2. Decide C vs. S Tax Status Early

Every corporation is a C corporation by default. If you want S corporation tax treatment instead, you need to meet specific eligibility rules and file Form 2553 within two months and fifteen days of the relevant tax year, or during the prior year. Deciding this early avoids scrambling to meet the deadline after the fact.

3. A Registered Agent Is Mandatory, Not Optional

Every state requires a corporation to continuously maintain a registered agent with a physical address in the state of incorporation, who can accept legal documents and state notices on the corporation's behalf. Your Articles of Incorporation can't be filed without naming one, and letting this lapse can put the corporation out of good standing.

4. Corporate Formalities Aren't Optional Extras

Adopting bylaws, documenting stock issuance, and holding or documenting annual meetings aren't paperwork you can skip once you're busy running the business. These formalities are part of what keeps a corporation's liability protection intact; skipping them is one of the more common reasons a court later disregards the separation between the business and its owners.

5. Separate Your Finances From Day One

Open a dedicated business bank account and avoid running personal expenses through it, or business expenses through a personal account. Commingling funds is one of the clearest signs a court looks for when deciding whether a corporation has been run as a genuinely separate entity.

6. Budget for Ongoing State Fees, Not Just Formation

The initial filing fee is only the first cost. Most states also charge an annual report fee, franchise tax, or license tax to stay in good standing, and some, like Delaware, calculate it based on authorized shares rather than a flat number. Know your specific state's recurring costs before you file, not after your first bill arrives.

7. Stock Issuance Needs to Be Documented Properly

Issuing stock to founders isn't automatic just because you incorporated; it requires a board resolution or written consent authorizing the issuance, consideration paid for the shares, and a stock ledger recording who owns what. Skipping this step is a common gap that surfaces later when a bank, investor, or buyer asks for your cap table.

8. An EIN Comes After State Approval, Not Before

You can't apply for an Employer Identification Number until your corporation is approved by the state. Most banks require an EIN, not a personal Social Security number, to open a business account, so apply as soon as you're approved.

9. Investors Expect a Specific Structure

If you plan to raise venture capital or grant employee stock options, most investors expect a Delaware C corporation specifically, since their fund structures and option pools are built around it. Factor this into your state and tax status decisions from the start if outside investment is part of your plan.

10. Converting Later Is Possible but Costly

You can change your state of incorporation, your tax status, or convert from another entity type later, but none of these changes are simple form swaps; each involves its own filing, fee, and often tax consequences. Getting the structure right at formation is usually cheaper than fixing it afterward.

Practical Considerations

Formation Is the Easy Part

Filing the Articles of Incorporation itself is often the fastest, cheapest step in the whole process. The ongoing obligations, registered agent maintenance, annual reports, meeting formalities, and tax elections, are what actually determine whether your corporation stays in good standing and keeps its liability protection over time.

Get Professional Help for Multi-Founder Situations

A single-founder corporation with simple plans can often use a formation service and template documents. A corporation with multiple founders, outside investors, or complex equity plans generally benefits from a business attorney reviewing or drafting bylaws and stock agreements before you file, not after a dispute arises.

Keep a Compliance Calendar From Day One

Track your state's annual report or franchise tax deadline, your registered agent renewal date, and any tax election deadlines in one place as soon as you're approved. Missing a single deadline can lead to penalties or losing good standing.

This Isn't Legal or Tax Advice

State filing requirements, fees, and tax rules change, and the right choices depend on your specific business plans. Talk to a business attorney and a tax professional before you file.

Related Resources

  • How to Start a Corporation

    Learn how to start a corporation, including choosing a state, filing Articles of Incorporation, appointing a registered agent, and electing a tax status.

  • How to Choose a Corporation Formation Service

    Learn how to choose a corporation formation service, including what should be included, registered agent pricing, and renewal costs to check first.

  • What Is a Corporation?

    Learn what a corporation is, including how it is formed, who runs it, how it is taxed, and how it differs from an LLC or sole proprietorship.

Sources

The official sources used for this article.

SBA: Choose a business structure

sba.gov/business-guide/launch-your-business/choose-business-structure

IRS: Corporations

irs.gov/businesses/small-businesses-self-employed/corporations

IRS: About Form 2553

irs.gov/forms-pubs/about-form-2553

Delaware Division of Corporations: Fee schedule (revised August 1, 2026)

corpfiles.delaware.gov/Fee_Schedule/AugustFee2026.pdf

Created by: LLC RegisterLast reviewed October 2, 2026

Updated: October 2, 2026

Frequently Asked Questions

Does a new corporation have to decide between C and S status right away?

Not immediately, but soon. Every corporation starts as a C corporation by default, and if you want S status instead, you generally need to file Form 2553 within two months and fifteen days of the tax year it should apply to.

What is the most commonly overlooked requirement when forming a corporation?

Properly documenting stock issuance to founders. Many new corporations file their Articles of Incorporation but never adopt the board resolution, pay consideration, or create the stock ledger that actually makes the share ownership official.

Can you change your state of incorporation after forming a corporation?

Yes, through a formal process, often called domestication or conversion, that varies by state, but it involves real paperwork and fees in both the old and new state. It's not a simple address change.

How much ongoing paperwork does a corporation require compared to before you form it?

More than most founders expect: annual reports or franchise tax filings, registered agent maintenance, documented board and shareholder meetings or consents, and stock records all continue indefinitely after the one-time formation filing.

Form your business with LLC Register

$99 a year for a registered agent, with LLC formation in year one and annual report filing included. State fees are passed through at cost.

Start a Corporation
LLC Register

Any questions?

We're available Monday through Friday from 9am - 6pm CST

Start your business

Start an LLCForm a BusinessFile an S-Corp ElectionHire a Registered Agent

Filings & compliance

Articles of OrganizationCertificate of FormationOperating AgreementEIN & Tax ID NumberForeign QualificationChange Registered AgentAnnual ReportStay Compliant

Company

ResourcesContact UsPrivacy PolicyTerms of Service360 Legal

LLC Register helps entrepreneurs form and maintain their LLC with fast, guided filings and ongoing compliance support. This site provides general information and is not a substitute for legal or tax advice.

LLC Register is not a law firm and does not provide legal advice. Communications with LLC Register are not protected by attorney-client privilege.

Powered by 360Legal