How to Start an LLC in Connecticut
Thinking about launching your business in Connecticut? Setting up an LLC (Limited Liability Company) is one of the smartest ways to protect your personal assets and simplify your taxes. At Filing Fox, we’re here to make this process easy, clear, and cost-effective — so you can focus on growing your dream business.
- Same-Day Scans, Instant Notifications
- Privacy by Default
- Business Address
- Instant Domain, Website, Email & Business Phone
Connecticut LLC Filing Fees
✅ $80/year for your Annual Report
You can file yourself, or Filing Fox can handle it for you. Questions? [email protected]
Ready to start your LLC?
Start my LLCYour LLC name must be unique in Connecticut—no two businesses can share the same name.
Do a Name Search: Use the Business Records Search to make sure your preferred name is available.
Follow Naming Rules: Connecticut has guidelines on acceptable LLC names. We double-check this for Filing Fox clients so your paperwork sails through approval.
A Registered Agent is required for every LLC. This person or service accepts legal mail and official documents for your business.
Your options:
- Be your own Registered Agent (your address becomes public)
- Have a friend or family member do it (their address becomes public)
- Use a professional Registered Agent service—like Filing Fox—to keep your private address off public records and receive documents securely
We’ll scan any mail received and make it available to you online—no surprises.
Want to add a layer of privacy? Email us at [email protected] and we’ll get you set up.
This is the official form that registers your LLC with the state.
- Fee: $120 (one-time)
- File Online: About 2–3 business days
- File by Mail: About 7–10 business days plus mailing time
Filing Fox can handle this for you, ensuring everything is accurate and filed on time. DIY filings often get delayed over simple mistakes—don’t let that be you.
While Connecticut doesn’t legally require an Operating Agreement, it’s strongly recommended. This document outlines who owns the LLC, how it’s managed, and what happens if a dispute arises.
- Banks often ask for it to open a business account.
- Keep a signed copy with your records—do not file with the state.
Need help drafting one? We’ve got templates and tips—just reach out at [email protected].
Your Employer Identification Number (EIN) is like a Social Security Number for your business. You’ll need it to:
- Open a business bank account
- Hire employees
- File federal and state taxes
Good news: An EIN is completely free through the IRS. You can get one online in about 15 minutes if you have an SSN or ITIN.
Not sure how? Filing Fox can guide you step by step.
What to Do After Your LLC Is Approved
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Open a Business Bank AccountKeep your personal and business finances separate — it’s crucial for protecting your personal assets.
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Register for TaxesConnecticut doesn’t have a general state business license, but you’ll need to register with the Department of Revenue and get a State Tax ID Number. Local licenses may be required too.
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File Your Annual ReportEvery Connecticut LLC must file an Annual Report by March 31st each year — the fee is $80. Staying compliant keeps your business in good standing.
Why Start Your LLC with Filing Fox?
Starting your LLC is a big step — and you deserve a trusted partner who understands the ins and outs of Connecticut’s filing process.
- Keep your personal address private
- Avoid costly mistakes
- Get lifetime support from our dedicated team

