Corporate tax
Connecticut's corporation business tax is 7.5% of apportioned Connecticut net income. Companies with $100 million or more of total income on federal Form 1120 also pay a 10% surtax on the tax for income years 2026 through 2028.
Saltaire Partners works with owners of businesses in Connecticut worth roughly $3–100M, from the New York metropolitan area. This page links to a local guide for each Connecticut metro area covered so far, and sets out the state rules that change what a sale looks like here: corporate tax, personal income tax, clearances, transfer taxes. Every figure and rule links to its source.
Fixed fees. No exclusives. No success fees.
These statements come from the state's own agencies. Each one links to the page it was taken from.
Connecticut's corporation business tax is 7.5% of apportioned Connecticut net income. Companies with $100 million or more of total income on federal Form 1120 also pay a 10% surtax on the tax for income years 2026 through 2028.
Connecticut's pass-through entity tax is optional for partnerships, LLCs taxed as partnerships, and S corporations. An entity that pays it must elect each year, and the election is irrevocable.
The purchaser of a Connecticut business or its stock of goods is liable for the seller's unpaid sales and use, admissions and dues, cigarette, room occupancy, tobacco products and income tax withholding taxes, up to the purchase price, unless enough of the price is withheld. The purchaser can request a tax clearance certificate on Form AU-866, and DRS has 60 days to issue a certificate or an escrow letter; buying a controlling interest in the entity does not trigger this liability.
Connecticut's controlling interest transfer tax is 1.11% of the value of the real property interest held by an entity when a controlling interest in it is sold or transferred, where the entity holds Connecticut real property worth $2,000 or more. The person selling or transferring the controlling interest pays it.
This is general information, not tax or legal advice. Your attorney and CPA should confirm how it applies to your sale.
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