How to Incorporate a Startup: Step-by-Step Guide to Form a Delaware C-Corp

Starting a company in the US? First things first: you need to incorporate your business. 

But if you’ve been searching for “how to incorporate a company”, you’ve probably already discovered something confusing: there isn’t just one type of company.

Should you form an LLC or a corporation? What exactly is an S corp? Why do so many startups incorporate in Delaware, even if they operate somewhere else? And what steps do you actually need to take to incorporate properly?

In this guide, we’ll walk you through:

• What incorporation means for startups
• The different company structures founders can choose
• Why most startups incorporate as a Delaware C-Corp
• What to do if you incorporated the wrong type of company
• Legal and admin essentials you need to know 
• The step-by-step process to incorporate your company

By the end, you’ll understand exactly how to incorporate your startup the right way, and how to avoid common mistakes that can slow you down later when raising investment.

What does it mean to incorporate a company?

Incorporation is the process of creating a company as a separate legal entity.

Once incorporated, your company becomes legally distinct from you as the founder. That means the business can:

• own assets
• sign contracts
• issue shares
• raise investment
• hire employees

Most importantly, incorporation provides limited liability.

This means your personal assets (like your house or savings) are generally protected if the business runs into financial or legal trouble.

For most startups, incorporating early is essential because it allows you to:

• bring on co-founders
• grant equity to employees
• raise money from investors

Without a proper corporate structure, it’s difficult to do any of these things cleanly.

What actually happens when you incorporate?

When you incorporate your company, you’re not just filling out a form—you’re creating a legal structure with defined ownership and governance.

At a high level, incorporation does three key things:

• Creates the company as a legal entity (separate from you personally)
• Defines the share structure (who can own what)
• Sets up how decisions are made (through directors and officers)

From that point on, decisions aren’t made informally. They’re made through board approvals and documented actions.

This is what investors expect to see when they review your company.

What type of company should a startup form?

When incorporating a company in the US, founders typically choose between two main structures:

• LLC (Limited Liability Company)
• C-Corporation (C-Corp)

Both structures offer limited liability, but they work very differently—especially when it comes to fundraising and equity.

LLC

An LLC is a flexible business structure often used by:

• freelancers
• consultants
• agencies
• small businesses

LLCs are relatively simple to set up and often have favorable tax treatment because profits pass directly to the owners. 

However, LLCs usually aren’t the best structure for venture-backed startups.

That’s because:

• issuing equity is complicated
• employee stock options are difficult to structure

venture capital funds typically can’t invest in LLCs

C-Corporation

A C-Corporation is the standard structure used by venture-backed startups. Companies like Stripe, Airbnb, and Coinbase all started as Delaware C-Corps.

C-Corps make it easy to:

• issue shares to founders
• grant stock options to employees
• raise money from angel investors and VCs
• create clear cap tables
• scale internationally

They also allow investors to benefit from tax incentives designed to encourage startup investment.

For these reasons, most high-growth startups incorporate as a Delaware C-Corp from the start. Investors expect it, lawyers are familiar with it, and it creates the cleanest structure for scaling your company.

S-Corporation

An S-Corporation isn’t technically a different type of company—it’s a tax election that a company can apply for with the IRS.

If eligible, the company’s profits and losses pass through to the shareholders’ personal tax returns, rather than being taxed at the corporate level.

S-Corps are commonly used by:

• small business owners
• solo founders
• service-based businesses

However, there are some important restrictions. To qualify as an S-Corp, a company must:

• have no more than 100 shareholders
• have only US-based individual shareholders (with limited exceptions)
• issue only one class of stock

Because of these limitations, S-Corps aren’t suitable for most startups planning to raise investment.

They don’t allow preferred shares, and the ownership restrictions don’t work for venture capital or institutional investors.

For startups aiming to scale and raise funding, a Delaware C-Corp is still the better choice.

Learn more: Should I incorporate as an LLC, C corp or S corp?

Why startups incorporate in Delaware

Delaware has become the standard for startups for several reasons.

Predictable business law

Delaware has a specialised business court called the Court of Chancery. It handles corporate disputes and has built up decades of case law, making outcomes more predictable.

Investor familiarity

Most venture capital firms prefer investing in Delaware C-Corps because the legal structure is well understood. Choosing Delaware removes friction during fundraising.

Flexible corporate governance

Delaware corporate law makes it easier to structure boards, share classes, and investor rights in ways that work for startups.

Fast incorporation

Delaware is known for its fast and efficient filing system, which makes incorporation quick and straightforward.

For these reasons, Delaware has become the default home for startup corporations.

How to incorporate a Delaware C-Corp: step by step

Here are the main steps you need to follow to incorporate your startup in the USA. 

1. Choose a company name

The first step is choosing a unique company name.

Your company name must:

• be available in Delaware
• include a corporate suffix such as Inc., Corp., or Corporation

It’s also worth checking:

• domain availability
• trademark conflicts
• social media handles

Choosing the right name early helps avoid rebranding later.

2. File the Certificate of Incorporation

The Certificate of Incorporation is the document that officially creates your company.

It’s filed with the Delaware Division of Corporations and typically includes:

• company name
• registered agent
• share structure
• incorporator details

Once the state approves the filing, your company legally exists.

3. Appoint a registered agent

Every Delaware corporation must appoint a registered agent with a physical address in the state.

The registered agent receives official correspondence on behalf of your company, including:

• legal notices
• tax documents
• government filings

Most startups use a professional registered agent service.

4. Create company bylaws

Your company’s bylaws define how the corporation will be governed.

They typically set out:

• how board meetings work
• voting procedures
• officer responsibilities
• shareholder rights

Bylaws aren’t filed publicly, but they’re an essential part of your corporate records.

5. Issue founder shares

Once the company exists, it needs to issue shares to the founders. This is where your startup’s ownership structure is created.

Founders usually:

• set the total share pool (often 10 million shares)
• allocate shares between founders
• create vesting schedules
• sign stock purchase agreements

Getting this right early is important because investors will look closely at your cap table when you raise funding.

Authorized vs issued shares (what founders often miss)

When you incorporate, you’ll define the total number of shares your company is allowed to create (authorized shares). But you don’t issue all of them straight away.

Instead:

• Authorized shares = the total pool (for example, 10 million)
• Issued shares = the portion given to founders (and later, investors or employees)

Keeping a large number of shares unissued gives you flexibility to:

• bring in investors
• create an employee option pool
• scale without restructuring your cap table

What’s a stock purchase agreement?

A stock purchase agreement is a legal document that sets out the terms on which founders (or investors) buy shares in a company. It covers details like how many shares are issued, the price, and any conditions such as vesting.

What’s a vesting schedule?

A vesting schedule sets out how a founder or team member earns their shares over time, rather than owning them all upfront. It’s designed to ensure equity is earned through continued contribution to the company.

Founder vesting protects the company if a founder leaves early. Without vesting, a departing founder could walk away with a large percentage of the company without continuing to contribute.

6. Appoint the board and company officers

A corporation must have a Board of Directors.

Early-stage startups usually start with:

• one or two founders as directors
• founders serving as officers (for example CEO or CFO)

The board is responsible for approving key company decisions, including issuing shares and adopting bylaws.

7. Set up your startup for operations

Once incorporated, there are a few additional steps before you can fully operate.

These typically include:

• obtaining an EIN from the IRS
• opening a business bank account
• creating your cap table
• setting up employee equity plans

After these steps, your company is ready to operate and raise funding. But there’s a way easier way to do all this. When you use SeedLegals to incorporate, we take care of everything, fast and seamlessly, so you can free up headspace to focus on other things. 

How to incorporate your Delaware C-Corp with SeedLegals

As you can tell from reading the above steps, there can be a fair bit of admin involved, which you don’t need more of when you’re building your business. Incorporating your company can involve weeks of legal work and expensive law firm fees.

But don’t worry, there’s good news! We’ve simplified the entire process, guiding you through it so you can set up your startup correctly from day one.

Here’s how it works:

• Tell us about your company
  Enter your company name, founder details, and key information. We use this to generate your Delaware incorporation documents accurately.
• We prepare and file your Certificate of Incorporation
  Your formation documents are created automatically. Once you confirm everything looks right, we file them for you and set up your registered agent (with the first year included).
• Get your EIN
  We help you obtain your EIN from the IRS so you can open a business bank account, run payroll, and start operating.
• Complete your post-incorporation setup
  Generate all the key documents your startup needs—including issuing founder shares, setting vesting, filing 83(b) elections, assigning IP, and putting the right protections in place.

Everything is created, signed, and stored securely in one place, and our team is there to help if you need guidance along the way, all for just $350.

What if you already started your company as an LLC?

Many founders begin with an LLC because it’s simple and inexpensive. But once fundraising becomes part of the plan, investors usually expect the company to be a Delaware C-Corp. That’s because C-Corps make it easier to issue stock and structure investment rounds. 

If you already have an LLC, you generally have two options:

Convert the LLC into a C-Corp

In many cases, you can convert your existing LLC into a Delaware C-Corp.

This allows:

• the same company to continue operating
• intellectual property and contracts to stay in one entity
• LLC ownership interests to convert into stock

This is usually the cleanest option if your company has already built a product, signed customers, or created intellectual property.

Form a new C-Corp

If your LLC hasn’t done much yet, you might instead create a new Delaware C-Corp and start fresh.

However, if your LLC already owns valuable assets or IP, converting the entity is usually safer to avoid ownership complications later.

Dive deeper
Should you convert your LLC or create a new C Corp?
How to convert your LLC to a C corp

Common incorporation mistakes founders make

Incorporation sounds simple, but it’s easy to get key details wrong early on. These small mistakes can create bigger issues when you start raising funding or bringing in new team members. They can slow you down and be costly, so make sure you avoid them. 

Some of the most common pitfalls include:

• Choosing the wrong company structure (for example, setting up an LLC when you plan to raise venture capital)
• Issuing founder shares incorrectly, or not documenting them properly
• Forgetting to include founder vesting, which can cause problems if a founder leaves early
• Messy or incomplete cap tables, making it unclear who owns what
• Missing or inconsistent corporate documents, like bylaws or board approvals

These issues can slow down fundraising, raise red flags with investors, or lead to costly legal fixes later.

Getting your setup right from the start gives you a clean foundation to grow—and makes everything from hiring to fundraising much smoother.

Keeping your company “investor-ready”

After incorporation, it’s important to maintain good corporate hygiene.

This means:

• keeping your cap table up to date
• documenting key decisions (like issuing shares or appointing directors)
• storing signed documents in one place
• making sure ownership and IP are clearly assigned to the company

Investors will review all of this during due diligence.

A clean, well-organised company makes fundraising faster and smoother.

Key takeaway

Incorporating your startup is one of the most important early decisions you’ll make.

For most founders planning to scale or raise investment, the best structure is usually a Delaware C-Corp.

It’s the structure investors expect, it supports issuing equity, and it creates a clean foundation for growth.

The good news is that incorporation doesn’t need to be complicated. In fact, we’ll help you get it done in under an hour with the click of a button. Get started here, or book a free call with our team below if you want to chat about it first.