How to register an LLC: A Simple Guide For US Founders

Written by
Content Team
Last Modified on
March 18, 2026

Summary

  • An LLC is a legal business structure that protects your personal assets from business liabilities, making it a popular choice for founders over sole proprietorships
  • Registering an LLC involves choosing a business name, appointing a registered agent, filing articles of organization with your state, and applying for an EIN with the IRS
  • The process takes 1–2 weeks and costs USD 50–500 depending on your state, with some states like New York requiring additional newspaper publication
  • After registration, open a business bank account immediately, set up accounting, and understand your tax obligations. Separate finances and stay compliant through annual reports, licenses, and bookkeeping such as Schedule C or Form 1065
  • Most founders register in their home state to keep costs low and avoid dual compliance, unless they're building tech or venture-backed startups where Delaware makes more sense

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A business in the US has to make key decisions right off the bat, including the legal structure of the company. An LLC provides a perfect balance between protection, ease, and flexibility. However, the LLC registration process is still confusing for first-time founders.

In this guide, you will learn about everything from naming your LLC, the complete paperwork to getting your EIN and setting up your business account.

What does it mean to register an LLC

An LLC, or limited liability company, is a legal business structure that separates your personal assets from your business. If your company gets sued or takes on debt, your personal savings, home, and other assets are generally protected.

Founders choose LLCs because they're simpler to manage than corporations but offer more protection than sole proprietorships. You get flexibility in how you're taxed, fewer compliance requirements, and the ability to bring on partners or investors when you're ready.

Registering an LLC makes your business official in the eyes of the state and the IRS. It gives you the legal foundation to open a business bank account, hire employees, sign contracts, and build something real.

How to register an LLC: step-by-step process

Here's exactly how to register an LLC from start to finish.

Step 1: Choose a name for your LLC

Your LLC name must be unique in your state, and also end with "LLC" or "Limited Liability Company". Most states-for example, like Delaware, allow you to check the availability of a business name by searching their online database.

Choose a name that is clear, professional, and memorable. You can use a business name that is different from your LLC name if you don’t want to use the LLC suffix. It's recommended that you avoid names that sound extremely similar to other business names, as this can create problems with trademark infringement.

When you've decided on your business name, reserve your name through the portal. Most states allow name reserving for 60-120 days for a small fee.

Step 2: Select the state for LLC registration

You can register your LLC in any state, but most founders choose either where they live or where they operate. Delaware and Wyoming offer legal and privacy advantages. But if you run the business from another state you need to foreign-register there as well.

This means 2 annual filings, 2 registered agents, and dual compliance fees, often raising yearly overhead from USD 50–300 for a single-state LLC to about USD 500–1,200 once multi-state compliance is added.

If you're running a local business, service-based business or working from home, register in your home state. It's simpler, cheaper, and avoids the need to register as a foreign LLC in multiple states. For tech or venture capital funds, Delaware is the way to go.

Here are the top choices for founders and their information:

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Note: These fees are current as of Feb 2026 and may change. Always verify with your state's Secretary of State office.

Step 3: Appoint a registered agent

Every LLC needs a registered agent who receives legal documents on behalf of your business. This includes tax notices, lawsuit papers, and official state correspondence.

You can act as your own registered agent, but many founders use a registered agent service. It costs around USD 100–300 per year and keeps your personal address off public records.

Your registered agent must have a physical address in the state where you're registering. PO boxes don't work.

Step 4: File articles of organization

Articles of organization are the documents you file with your state to create your LLC. This includes basic information like your business name, address, registered agent, and sometimes your business purpose.

Most states let you file online. Filing fees range from USD 50–500 depending on the state. Processing times vary. Some states approve in 1–3 days, others take 2–4 weeks.

If you need your LLC approved faster, most states offer a faster filing for an additional fee.

Step 5: Create an operating agreement

Operating agreement is where the rules to run your business are outlined. This includes all matters of ownership percentages, decision-making process, sharing of revenue, and what happens if someone leaves the business.

Don't neglect creating an operating agreement. Although your state does not require one, it can save you thousands of legal fees later on when disputes arise.

If you're a sole-member LLC, then the operating agreement is significant. This document stresses that you are not the same as your business, which further enhances liability protection.

Step 6: Apply EIN with the IRS

An EIN, or Employer Identification Number, is your business tax ID number. You need it to open a business bank account, hire employees, and file taxes.

You can apply for an EIN online through the IRS website. This process is free and takes about 10 minutes. Even if you don't have employees yet, get your EIN right after you register your LLC. It's one of the first things banks and vendors will ask for.

Step 7: Create a business bank account and setup finances

Ensure never to combine your personal and business finances. Before even registering your business under the LLC, create a separate business bank account once you receive your EIN.

Finally, set up a simple system for tracking income and expenses from the start. This makes tax season easier and keeps you compliant.

How long LLC registration takes and what it costs

The timeline for LLC registration depends on your state and how you file. Most states process standard filings in 1–2 weeks. If you file online and pay for expedited processing, you can get approved in 1–3 business days.

Filing fees vary widely by state. Here's what to expect:

  • Filing articles of organization: USD 50–500
  • Registered agent service: USD 100–300 per year
  • Operating agreement: USD 0–200 if you use a template or lawyer
  • EIN application: free through the IRS

Some states also charge annual report fees or franchise taxes. California, for example, has an annual franchise tax of USD 800. Delaware charges an annual fee of USD 300. Check your state's ongoing costs before you file.

If you want your LLC approved faster, expedited filing typically adds USD 50–200 to your filing fee and reduces processing time to 1–5 business days.

Budget around USD 500–1,000 for your first year when you factor in filing fees, registered agent, and any professional services you use.

Apply for EIN after you register an LLC

An EIN is your business's social security number. The IRS uses it to identify your company for tax purposes, and banks use it to open business accounts.

Applying for an EIN is free and takes about 10 minutes. Go to the IRS website, fill out Form SS-4 online, and submit it. You'll receive your EIN immediately.

You can apply for your EIN as soon as your LLC is registered, or even while your registration is processing in some states. Once you have your EIN, keep it somewhere safe. You'll use it constantly in the early days of your business.

Common mistakes founders make when they register an LLC

Here are the mistakes that cause the most problems:

Picking the wrong state

Registering in Delaware or Wyoming sounds right, but if you live and operate in California, you'll end up filing in both states and paying double the fees. Most founders are better off starting in their home state.

Skipping the operating agreement

Even if your state doesn't require it, you need one. It protects you legally and makes it clear how your business operates. This is especially critical if you have co-founders.

Mixing personal and business finances

The whole point of an LLC is to separate you from the business. Mixing finances erases that separation.

Don’t apply for EIN

You can't open a business bank account without applying for EIN, and you can't properly track income and expenses without a business account.

Not understanding ongoing requirements

Registering your LLC isn't a one-time event. Most states require annual reports, and some charge franchise taxes. If you miss these deadlines, your LLC can be dissolved.

Choosing a name that's too similar to another business

Even if your state approves the name, you can still run into trademark issues later. Do a quick search to make sure no one else is using something too close.

What to do right after you register an LLC

Now that your LLC is officially registered, here’s your next actions:

Opening a business bank account: This is the first priority. A separate bank account is essential to separate business and personal life. You will require your EIN, articles of organization, and operating agreement to open the business bank account.

Set Up Accounting: There is no need for complicated software right away, but one will need a way of tracking income, expenses, and receipts. A spreadsheet is okay in the early stages, but most founders use an accounting system in a few months.

Obtain appropriate business licenses: You need appropriate licenses, such as city, county, and state licenses, depending on your business niche. Regulated sectors like finance, tobacco etc require special permissions, so check with your state government.

Learn about your tax obligations: LLCs are taxed as pass-through entities by default, which means business income flows through to your personal tax return. You don't pay corporate taxes, instead, you report profits and losses on your individual return.

Single-member LLCs report income on Schedule C. Multi-member LLCs file Form 1065 and issue K-1 forms to each member.

You'll also pay self-employment tax, which is about 15.3% of your net income. This covers Social Security and Medicare. Some states like Florida, Texas, Nevada, Wyoming, and Washington have no income tax at all. Talk to an accountant about quarterly estimates and what you need to file.

Get business insurance: An LLC protects your personal assets, but it doesn't cover everything. Depending on your business, you might need general liability insurance, professional liability insurance, or other coverage.

Top LLC formation services for founders

If you want professional help registering your LLC, here are 3 trusted services that handle the paperwork for you:

ZenBusiness

ZenBusiness is one of the most affordable options for first-time founders. Their plans include registered agent service for the first year, operating agreement templates, and compliance reminders. They offer a simple, budget-friendly formation process with ongoing support as their business grows. They handle filings in all 50 states and offer expedited processing as well.

Northwest Registered Agent

Northwest Registered Agent stands out for privacy-focused founders who value personalized support. Their formation packages start at USD 29 plus state fees and include a full year of registered agent service. Northwest has physical offices in all 50 states and never sells your personal information. Annual registered agent renewal costs just USD 125 per year.

LegalZoom

LegalZoom has helped millions of businesses operate since 2001. Their plans start at USD 0 plus state fees, with higher tiers offering operating agreements, EIN assistance, attorney consultations, and access to legal document templates. LegalZoom offers access to attorneys, tax consultations, and a library of business documents.

Stripe Atlas

Stripe Atlas specializes in Delaware C corporation and LLC formation. Their USD 500 all-in package includes incorporation, EIN filing, registered agent service for the first year and immediate access to business banking partners like Aspire. Atlas is best for founders building venture-backed startups, e-commerce businesses, or SaaS companies that need fast formation and want immediate payment processing capabilities.

Clerky

Clerky is built specifically for high-growth startups by former Silicon Valley startup attorneys. Their USD 427 package covers Delaware C corporation formation with expedited processing, post-incorporation setup, bylaws, and comprehensive legal dashboard access. Clerky is best for founders raising venture capital or planning to join startup accelerators like Y Combinator, where their legal documents are widely recognized and accepted.

How Aspire helps after you register an LLC

Once you register an LLC, one of your first tasks is opening a business bank account. Traditional banks often involve long approval times and requirements designed for larger enterprises rather than founders.

Aspire makes it easy to open a business account designed specifically for startups and growing companies. You get the banking features you need without the friction of traditional banks.

The application process is straightforward. No need to visit any branches and no massive amount of paperwork. All you need to do is to upload your LLC documents and EIN, and you're good to go.

Once opened, your account will be easy to manage for the vendor payments. Keep all your vendor information in one place, approve invoices with just a click, and send your payments by bank transfer. Aspire connects with the accounting tools you're already using, which means your transactions go directly into QuickBooks,or Xero.

Aspire gives founders who have just registered an LLC with financial infrastructure and zero complexity since day one.

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Frequently Asked Questions

How long does it take to register an LLC?

Most states process LLC registrations in 1–2 weeks for standard filing. If you pay for expedited processing, you can get approved in 1–3 business days. Once approved, you can apply for your EIN immediately.

Can I register an LLC myself or do I need a lawyer?

You can register an LLC yourself. The process is straightforward, and most states have online filing systems. A lawyer can review your operating agreement if you want additional assurance.

Do I need an EIN if I am the only owner of my LLC?

Yes. Even a one-member LLC requires an EIN to open a business bank account.

What if I file for an LLC in one state, but I conduct business elsewhere?

Registering as a foreign LLC in any state where you are doing business is a requirement. This will demand payment of fees in several states; however, most founders should register in their home state.

How to apply for an EIN after registering an LLC?

Go to the IRS website and fill out form SS-4 online. Have your LLC name, address, and date of formation ready. The application is free and you get your EIN once you have completed the form.

What are the advantages of a business account over a traditional bank account after registering an LLC?

A business account keeps your personal and business finances separate, which protects your LLC's liability shield. Modern business accounts include features like vendor payment management, accounting integrations, and expense tracking that personal accounts do not provide.

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Content Team
at Aspire is a society of seasoned writers & experts specialising in finance, technology and SaaS space. With 50+ years of collective experience, they help make business finance more profitable for readers. They write about finance tools, finance insights, industry trends, tactical guides to grow your business & also all things Aspire.
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