Kentucky applies a flat 4% personal income tax to pass-through LLC profit and levies a Limited Liability Entity Tax (LLET) with a $175 minimum. By federal default a single-member LLC is a disregarded entity and a multi-member LLC is a partnership. An S-corporation election on IRS Form 2553 cuts self-employment tax once net income passes $40,000-$60,000. Non-resident owners file Form 5472 with a pro-forma 1120 each year.
By federal default a single-member Kentucky LLC is a disregarded entity, reported on Schedule C of the owner's Form 1040, and a multi-member LLC is a partnership that files Form 1065 and issues K-1s. Neither pays federal entity-level tax. Profit passes through to the owners' returns in both cases. This pass-through treatment is the starting point for every Kentucky LLC, and it holds until the owners file an election to be taxed as an S-corporation or C-corporation. The default suits most single-owner and small partnership businesses. The pass-through structure means the LLC itself files no federal income tax; the profit lands on the owner's return whether or not it is distributed. This avoids the double taxation a C-corporation faces and keeps the compliance burden to a single layer for most Kentucky owners.
Yes. Kentucky applies a flat 4% personal income tax to the pass-through profit an LLC owner reports. There is no separate graduated bracket; the same 4% rate applies across income levels. Because the LLC is a pass-through by default, the tax lands on the owner's Kentucky return rather than on the entity. An S-corporation or C-corporation election changes the federal treatment, but the flat 4% Kentucky rate applies to the income that reaches the owner regardless of the federal election. Kentucky moved to the flat 4% rate from an earlier graduated schedule, so every dollar of pass-through profit is taxed at the same rate. Owners who live outside Kentucky are taxed by Kentucky only on income sourced to the state; their home-state return handles the rest.
The Limited Liability Entity Tax (LLET) is a Kentucky business tax with a $175 minimum, calculated on gross receipts or gross profits. Every Kentucky LLC with in-state activity files it alongside the state return. The LLET is separate from the flat 4% income tax on pass-through profit. Small businesses under the gross receipts threshold pay the $175 floor rather than a receipts-based amount. Anonymousllc.co partners with US tax preparers familiar with Kentucky filings, so the LLET and income tax are prepared together each year. The LLET is credited in part against the individual income tax for pass-through owners, so it functions as a minimum business tax rather than a pure add-on. Anonymousllc.co's tax partners calculate the LLET and the income tax on the same return so the interaction is handled correctly.
An S-corporation election on IRS Form 2553 becomes worthwhile once net income passes $40,000-$60,000, because the reasonable-salary split removes self-employment tax from the non-salary portion. Below that range, payroll compliance cost outweighs the savings. The election saves the 15.3% self-employment tax on distributions above a reasonable salary. It adds payroll filings, a separate corporate return, and reasonable-compensation rules. Kentucky's flat 4% income tax still applies to the pass-through profit. Anonymousllc.co files Form 2553 for clients who cross the income threshold. The reasonable-salary requirement is the constraint: the IRS expects the owner to draw a market-rate wage before taking distributions, and setting it too low invites reassessment. Anonymousllc.co times the Form 2553 filing to the tax year so the election takes effect when the income justifies it.
Default Kentucky LLC owners pay 15.3% self-employment tax on net business income: 12.4% Social Security up to the annual wage base of $168,600 plus 2.9% Medicare with no cap. This is separate from income tax. An S-corporation election reduces the self-employment tax by splitting income into a reasonable salary and distributions, with self-employment tax applying only to the salary. The trade-off is payroll compliance. The election makes sense once net income passes $40,000-$60,000, where the tax saved exceeds the added filing cost. The 12.4% Social Security portion stops at the annual wage base, so a high earner pays only the 2.9% Medicare rate above $168,600. This is one reason the S-corp math shifts with income level, and why the election pays off past the $40,000-$60,000 range.
A non-resident owner's US tax depends on Effectively Connected Income (ECI). An LLC with no US ECI files Form 5472 with a pro-forma 1120 for information but owes no US income tax; an LLC with US ECI is subject to US income tax. A foreign-owned single-member LLC files Form 5472 each year regardless of income. A multi-member LLC files Form 1065 and issues K-1s. An ITIN is needed for a personal US return. Anonymousllc.co partners with US tax preparers familiar with non-resident filings and provides the ITIN for $299. Effectively Connected Income turns on whether the owner conducts a US trade or business, which depends on the activity rather than the LLC's state of formation. A non-resident selling to US customers online without US staff or premises can have no ECI, and a US tax preparer confirms the position each year.
Form 5472 is an IRS information return required for any US disregarded entity with 25% or more foreign ownership, filed each year alongside a pro-forma Form 1120. Most non-resident-owned single-member Kentucky LLCs must file it. The form reports transactions between the LLC and its foreign owner. Missing it carries a $25,000 penalty, so it is filed even when the LLC owes no income tax. Anonymousllc.co connects non-resident owners with US tax preparers who handle Form 5472 and the pro-forma 1120 together. The filing is due by April 15 with the pro-forma 1120, and an extension on Form 7004 moves it to October 15. Anonymousllc.co routes the return to a US tax preparer who prepares the 5472 and the 1120 shell together, so the $25,000 penalty exposure is closed.
A single-member Kentucky LLC is a disregarded entity by default, reported on Schedule C of the owner's Form 1040 with no separate federal return. Kentucky applies a flat 4% personal income tax to the pass-through income. A foreign-owned single-member LLC instead files Form 5472 with a pro-forma 1120 each year. The LLC uses its own EIN, obtained by fax in 5-7 days without an SSN. The LLET with a $175 minimum applies at the state level for LLCs with in-state activity. A US-resident single-member owner reports the LLC on Schedule C and pays self-employment tax on the net profit. A non-resident single-member owner instead files the 5472 and pro-forma 1120 and owes US income tax only on Effectively Connected Income.
Under the March 21, 2025 FinCEN interim final rule, domestic reporting companies are exempt from beneficial ownership information (BOI) reporting. A Kentucky LLC formed in the US is domestic and currently exempt. Foreign reporting companies formed outside the US remain obligated to file each BOI report. Most Kentucky LLCs are domestic and fall under the exemption. Anonymousllc.co files BOI reports at $150 per report for the foreign reporting companies that still owe them, and confirms the current status for each client. The interim final rule narrowed the reporting population to foreign reporting companies, so a Kentucky LLC formed in the US carries no current BOI obligation. Anonymousllc.co monitors FinCEN guidance and confirms each client's status before deciding whether a report is due.
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