A Mississippi LLC pays no federal entity-level tax and passes profit through to its owners, and Mississippi applies a personal income tax capped at 4.7% on Mississippi-source income. The IRS default is a disregarded entity for a single-member LLC and a partnership for a multi-member LLC. An LLC lowers self-employment tax by electing S-corporation treatment once net income clears the $40,000-$60,000 range. Non-resident owners with no US effectively connected income file Form 5472 and owe no Mississippi income tax on foreign-earned profit.
A Mississippi LLC pays no federal entity-level tax and passes profit through to its owners, and Mississippi applies a personal income tax capped at 4.7% on Mississippi-source income. The IRS default is a disregarded entity for a single-member LLC and a partnership for a multi-member LLC. Profit flows to the owner's personal return, where federal income tax and Mississippi income tax apply. An LLC changes this by electing S-corporation or C-corporation treatment when the numbers favor it. Non-resident owners with no US effectively connected income owe no Mississippi income tax on foreign-earned profit. The LLC's default status keeps profit out of a corporate tax layer, so most Mississippi owners pay one round of tax at the individual level rather than two.
The federal default treats a single-member Mississippi LLC as a disregarded entity reported on Schedule C, and a multi-member LLC as a partnership that files Form 1065 and issues K-1s. Neither pays federal entity-level tax. Profit passes through to the members, who report their share on their personal returns. The disregarded single-member LLC and the multi-member partnership both keep the LLC's income out of a separate corporate tax layer. An LLC overrides this default only by electing S-corp or C-corp treatment.
Mississippi applies a personal income tax capped at 4.7% on Mississippi-source income passed through from the LLC. The rate is a flat structure on taxable income above the state's exemption threshold. Mississippi has been phasing its individual income tax toward a single flat rate, and 4.7% is the top rate applied to LLC pass-through income for residents and to Mississippi-source income for non-residents. An owner with no Mississippi-source income owes no Mississippi income tax on the LLC's profit. Mississippi taxes the owner, not the LLC, on pass-through income, so the state reaches only the portion of profit sourced to Mississippi activity.
An LLC elects S-corporation treatment on Form 2553 to split income into a reasonable salary and distributions, and the distribution portion avoids the 15.3% self-employment tax. The election becomes worthwhile once net income clears the $40,000-$60,000 range. Below that range, the payroll and compliance cost of running an S-corp outweighs the self-employment tax saved. Above it, the saving on the distribution portion exceeds the added cost. The S-corp election changes federal treatment; Mississippi's 4.7% income tax still applies to the pass-through income. The reasonable-salary requirement means the IRS expects a market wage before distributions, so the S-corp saving applies only to profit above that salary.
A default Mississippi LLC owner pays 15.3% self-employment tax on net business income: 12.4% Social Security up to the $168,600 wage base plus 2.9% Medicare. This sits on top of federal and Mississippi income tax. The self-employment tax funds Social Security and Medicare that an employer would otherwise split with an employee. An S-corp election reduces it by moving the distribution portion of income out of the self-employment base, at the cost of payroll compliance. The Medicare portion has no wage cap.
A non-resident owner of a Mississippi LLC owes US tax only on income effectively connected to a US trade or business. An LLC with no US effectively connected income files Form 5472 as an information return and owes no US income tax. With US effectively connected income, the owner files a US return and pays tax on that income, and may need an ITIN for the personal filing. Mississippi income tax reaches only Mississippi-source income. Anonymousllc.co partners with US tax preparers experienced in non-resident filings. A non-resident with only foreign-sourced income and no US activity files the Form 5472 information return and owes no US income tax.
Form 5472 is an information return required for a US disregarded entity with 25% or more foreign ownership, filed each year alongside a pro-forma Form 1120. Most non-resident-owned single-member Mississippi LLCs must file it. The form reports transactions between the LLC and its foreign owner; it does not by itself create a tax liability. Missing it carries a $25,000 penalty, so a foreign-owned single-member LLC files it on time each year. A multi-member LLC files Form 1065 and K-1s instead.
Under the March 21, 2025 FinCEN interim final rule, domestic reporting companies are exempt from BOI reporting, and most Mississippi LLCs are domestic and currently exempt. Foreign reporting companies formed outside the US remain obligated. A Mississippi LLC formed in the US falls in the exempt domestic category under the current rule. An LLC formed under foreign law and registered to do business in the US stays within the BOI reporting requirement. Anonymousllc.co files BOI reports at $150 per report when one applies. The current exemption applies to entities formed in a US state, so a Mississippi LLC stays outside the BOI requirement unless the rule changes.
Forming the LLC in Wyoming does not remove Mississippi income tax on Mississippi-source income, but Wyoming charges no state income tax on the entity and keeps ownership off the public record. The federal treatment is identical in both states. A founder with income tied to Mississippi operations pays Mississippi's 4.7% on that Mississippi-source income regardless of the formation state. A founder with no Mississippi-source income who forms a Wyoming anonymous LLC pays no state income tax and gains owner privacy. Wyoming, New Mexico, Delaware, and Nevada are the four anonymous states. See /wyoming-anonymous-llc/.
A Mississippi LLC taxed as a pass-through entity pays no state franchise tax. Mississippi's franchise tax applies to corporations, so an LLC that keeps its default pass-through status stays outside it. An LLC that elects C-corporation treatment enters the corporate tax base and the franchise tax that goes with it. The default single-member or multi-member LLC owes only pass-through income tax and the free annual report. The main recurring cost stays the $100/year registered agent. A pass-through Mississippi LLC therefore avoids both the corporate income tax and the franchise tax that a C-corporation would owe.
A Mississippi LLC reports federal taxes on the owner's return and state taxes on a Mississippi return when Mississippi-source income exists. A single-member LLC files Schedule C with the personal 1040; a multi-member LLC files Form 1065 and issues K-1s that members report individually. Mississippi residents report the pass-through income on the state individual return at the 4.7% cap. Non-residents file a Mississippi return only for Mississippi-source income. A foreign-owned single-member LLC adds Form 5472 with a pro-forma 1120 on the federal side. Anonymousllc.co connects owners with US preparers who handle each of these filings.
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