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Connecticut Corporation cost breakdown, 2026
Corporation cost in Connecticut · real fees, no upsells

How much does a Corporation cost in Connecticut?

Forming a corporation in Connecticut costs $250 in state filing fees, then $80/year in state annual fees. File.Business charges No state-fee markup.

Connecticut corporation cost summary

Year 1 with File.Business$330
Connecticut state filing fee$250
Connecticut annual fee$80/year
Registered agentFree year 1, $99/year after
File.Business service fee$0

C-Corp vs S-Corp cost in Connecticut

The Connecticut state filing fee is the same whether you elect S-Corp tax treatment or not. The S-Corp election is filed with the IRS (Form 2553), which is free. S-Corp election in Connecticut walks you through it.

Form your Connecticut corporation for $250 total

State filing fee only. No state-fee markup. Free registered agent year 1. Start my Connecticut corporation

FAQ

How much does it cost to start a corporation in Connecticut?

$250 for the Connecticut state filing fee. File.Business charges No state-fee markup on top.

What is the annual cost to maintain a Connecticut corporation?

$80/year for the Connecticut annual report.

Are S-Corps cheaper than C-Corps to form in Connecticut?

Identical Connecticut state cost. S-Corp is a federal tax election filed separately with the IRS, free.

What does the price include?
Our service fee covers preparation, filing, document delivery, and customer support. State filing fees are passed through at cost - we never mark them up. You see the all-in total before you pay.
What happens if a deadline is missed?
If we miss a filing deadline on a service you pay us to manage, we pay the state penalty. This deadline guarantee is specific to each plan and the filings it covers. Details in our terms of service.
How fast does this typically file?
Most filings submit the same business day if your intake is complete before 2 PM ET. State turnaround for confirmation varies - same-day in some states, 5-15 business days in others. We track every submission and notify you the moment the state confirms.
Cost calculator

What it actually costs to form your business

Pick your state. We show our service price, the state's filing fee, and your year-one total. No hidden costs.

Filing fees vary by state. We never mark them up.
Our service$0Formation included
State filing fee$120Paid at cost
Year 1 total$120+ $80/yr annual
Connecticut: $120 to form, $80/yr ongoing. State fee paid at cost · we add $0.
How it works

How we deliver, end-to-end.

Four-step path from request to confirmation. State and IRS turnaround varies; our steps run in parallel where possible to compress the timeline.

1

Intake + scope

You tell us what you need through a short intake form (or a call for complex matters). We confirm scope, surface any gating issues (deadlines, missing documents, entity status), and quote any state fees that pass through at cost.

2

Prepare + verify

Our specialists draft the filing, verify entity details against state databases, run internal QA, and route any items needing your sign-off. You see drafts before anything gets submitted.

3

File with the authority

We submit directly to the state Secretary of State, FinCEN, IRS, USPTO, or whichever authority your filing requires. We pay state fees at cost and track the submission identifier in your account.

4

Confirmation + vault

Stamped certificate, IRS notice, or filing receipt arrives in your SOC 2 encrypted document vault the moment we receive it. Next filing deadline auto-added to your compliance calendar where applicable.

Why File.Business

Built on the same infrastructure used by 220,000+ businesses.

SOC 2 Type II audited

Independent annual security audit covering access control, change management, incident response, and data handling. Current report on request.

All 51 US jurisdictions

Every state plus DC plus Puerto Rico - direct filings, not third-party reseller. We hold registered-agent qualifications in every state we operate.

Deadline guarantee

If we miss a filing deadline on a service you pay us to manage, we pay the state penalty. Specific to each plan and the filings it includes.

4.9 from 8,200+ verified reviews

Independently verified by Trustpilot + Google + our own NPS infrastructure. Customer success team within reach by email, chat, or phone.

60-day money-back promise

Change your mind in the first 60 days and we refund our service fee in full. State filing fees pass through at cost and are non-refundable once paid to the state.

E&O insured

Errors and omissions coverage protects you from service errors. Carrier and certificate available on request for enterprise clients.

Why File.Business

Premium compliance, no service-fee markup.

Trust you can verify

SOC 2 Type II audited platform. 220,000+ businesses served. 60-day money-back on service fees. State fees passed through at cost with no hidden markup. Explicit AUP on restricted industries.

A compliance partner, not a transaction

Most providers go quiet after checkout. We auto-track every annual report, registered agent renewal, and license deadline across your entities. The Business OS dashboard keeps your compliance score visible year-round.

Premium experience competitors cannot match

Premium positioning, transparent pricing, no service-fee markup on state or federal filings. Premium positioning, transparent pricing, no service-fee markup on state filings.

Start your business in the next 5 minutes.

No state-fee markup. Pay only the state fee. 60-day money-back guarantee.

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