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Start an LLC in Connecticut

The Connecticut state filing fee is $120. FilingFox forms your Connecticut LLC end-to-end — name check, state filing, registered agent and documents — from $505 all-in.

Start my Connecticut LLC →
$120State filing fee
$505FilingFox Basic (all-in)
$50/yrRegistered agent
$805FilingFox Professional

Connecticut how-to guides

Guide

Connecticut Registered Agent 2025: Requirements, Risks, & Best Service Options

Find the best Connecticut Registered Agent in 2025! Learn about LLC formation requirements, address privacy, service costs, and ho…

Guide

Connecticut LLC Taxes: A Complete Guide to State, Federal, and Filing Requirements

Discover everything about Connecticut LLC taxes, including filing requirements, pass-through taxation, state income taxes, sales t…

Guide

Connecticut LLC Business License Requirements: How to Comply & Get Licensed

Learn Connecticut business license requirements for LLCs, including licensing, permits, fees, and how to get licensed to operate l…

Guide

How to Start an LLC in Connecticut in 2025: Step-by-Step Guide

Learn how to start an LLC in Connecticut in 2025—step-by-step guide covering LLC formation, Certificate of Organization, registere…

Guide

How to Start an LLC in Connecticut: Step-by-Step Guide to Formation and Filing Fees

Learn how to start an LLC in Connecticut with our step-by-step guide. Discover formation costs, filing fees, required documents, a…

Guide

How to Start an LLC in Connecticut 2025: Step-by-Step Guide to Formation and Requirements

Learn how to start an LLC in Connecticut 2025 with our step-by-step guide—covering formation costs, registration, operating agreem…

Guide

How to File a Connecticut LLC Certificate of Organization: Cost, Process & Tips

Learn how to file your Connecticut LLC Certificate of Organization online, understand costs, filing times, and tips for efficient …

Guide

Connecticut LLC Annual Report: Filing Tips, Deadlines & Fees

Learn how to file your Connecticut LLC annual report online, review deadlines, fees, filing instructions, and ensure Connecticut L…

Guide

How to Get a Free Connecticut EIN Number for Your LLC: Step-by-Step Guide

Learn how to get a free Connecticut EIN number for LLC formation, apply with or without SSN, and understand the benefits of a fede…

Guide

Connecticut LLC Name Search Guide 2025: How to Check Name Availability

Discover how to perform a Connecticut business name search, check LLC name availability, and learn Connecticut LLC name rules for …

Guide

LLC Cost in Connecticut 2025: Fees, Ongoing Expenses & Cost-Saving Tips

Discover the true LLC cost in Connecticut 2025, including formation fees, ongoing expenses, and cost-saving tips. Learn how to sta…

Guide

How to Order Certified or Plain Copies of Your Connecticut LLC Certificate of Organization

Order certified or plain Connecticut LLC Certificate of Organization copies easily online or by mail. Learn how to request officia…

Guide

How to Change Your LLC Name in Connecticut: Step-by-Step Guide

Learn how to change your LLC name in Connecticut. Discover the step-by-step process, filing fees, IRS updates, and tips to update …

Guide

Connecticut LLC Operating Agreement: Free Templates, Tips & Key Differences

Discover how to create a free Connecticut LLC operating agreement with templates for member-managed and manager-managed LLCs. Lear…

Guide

How to File a Connecticut LLC Certificate of Organization by Mail: Step-by-Step Guide

Learn how to file a Connecticut LLC Certificate of Organization by mail with step-by-step guidance, filing fees, processing times,…

Guide

How Long Does It Take to Get an LLC in Connecticut? Fast Filing & Processing Options

Learn how long it takes to get an LLC in CT, including processing times, expedited options, and fastest online filing methods for …

Guide

How to Start a Sole Proprietorship in Connecticut: Step-by-Step Guide

Learn how to start a sole proprietorship in Connecticut with essential steps, DBA registration, business licensing, and difference…

Guide

How to Start a Sole Proprietorship in Connecticut: Guide to Registration, Benefits, and Requirements

Discover how to start a sole proprietorship in Connecticut, learn registration tips, tax rules, DBA registration, and benefits of …

Guide

Top Registered Agent Services in Connecticut for LLCs 2025: Expert Comparison

Discover the best registered agent service in Connecticut for LLCs! Learn how top providers ensure privacy, compliance, legal docu…

Ready to form your Connecticut LLC?

State filing, registered agent and documents from $505 — most orders submitted to the state within one business day.

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