Can a non-US founder open a Mercury account with a Mississippi LLC?

Yes. Mercury explicitly supports foreign founders with a US LLC. You need the Mississippi formation document (the Certificate of Formation), the IRS EIN letter, a non-US passport for identity, and a US business address. No US SSN or residency is required.

Does forming in Mississippi affect Mercury eligibility?

No. Mercury accepts LLCs from all US states and territories. The formation document name varies by state, and Mississippi issues a Certificate of Formation; Mercury accepts it the same as any other state's.

What does the Mississippi LLC itself cost before I can start taking payments through Mercury?

Mississippi charges $50 to file a Certificate of Formation, and that is the state's fee to create the LLC. Mississippi publishes a turnaround of same day (online). Mercury charges nothing for verification itself, so the $50 filing fee and Mississippi's ongoing obligations are the real cost of getting verified as a Mississippi entity.

I do not live in Mississippi. Can I still use a Mississippi LLC on Mercury?

Mercury does not check where you live, only that the Mississippi entity is validly registered and that the details you enter match Mississippi's record. The catch is not Mercury, it is the state you actually operate from: states require an out-of-state LLC to register as a foreign LLC before it transacts business there, which is a second filing and a second fee on top of Mississippi's $50. Forming in Mississippi while working somewhere else usually means paying both states, not one.

Do I need a Mississippi sales-tax permit before my first sale through Mercury?

Probably yes. Mississippi charges a 7% state rate, and payments taken through Mercury are not covered by marketplace-facilitator laws, so you collect and remit yourself. Register before your first taxable sale if you have physical presence in Mississippi, or once you cross its remote-seller threshold of $250,000 in sales in the previous 12-month period.

Mercury asks for "Articles of Organization". Mississippi gave me a Certificate of Formation. Which do I upload?

Upload the Certificate of Formation. Mississippi does not issue a document called Articles of Organization; the Certificate of Formation is the same instrument under the name Mississippi uses for it, and it is what Mercury means by a formation or business-registration document.

Marketplace Verification

How to pass Mercury verification with a Mississippi LLC

What Mercury asks for at signup, and which Mississippi LLC documents satisfy each requirement.

By Edmond Hui · Last updated: August 4, 2026

Edmond Hui · Founder, MyStateLLC

Edmond Hui is a software engineer and serial entrepreneur based in New York who has founded multiple online businesses across e-commerce, media, and information publishing. Before transitioning into tech, he spent years as a commercial real estate professional closing deals totaling over 100,000 square feet, giving him firsthand experience with business formation and entity structuring. He built MyStateLLC to provide the free, state-specific LLC guidance he wished existed when forming his own companies.

A Mississippi LLC is generally eligible for Mercury verification — you will need to provide your Certificate of Formation, EIN, beneficial-owner ID, and a valid US business address. Nothing about forming in Mississippi blocks approval, and nothing about it guarantees approval either: the final call is Mercury's.

Mercury is a fintech banking platform whose deposits are held at FDIC-member partner banks (currently Choice Financial Group and Column N.A., Members FDIC), making it popular with startups and small businesses including those with non-US founders. To open a Mercury account for a Mississippi LLC, you must provide the company's formation document (in Mississippi, the Certificate of Formation), an IRS-issued EIN confirmation, a government ID for the beneficial owner(s), and a physical US address. Mercury supports all US-state LLC types and is commonly used by foreign founders who have formed a US LLC, since it does not require founders to be US citizens or residents.

In Mississippi the entity behind that check is an LLC created by filing a Certificate of Formation, which costs $50. Mississippi publishes a turnaround of same day (online). Because Mississippi names a member or manager on a routine public filing, the owner name Mercury asks you to confirm is already a matter of public record.

Not legal advice: Verification requirements change, and so do Mississippi's filing fees and forms. Confirm current platform rules with Mercury, and current filing rules with the Mississippi filing office, before you file. Mercury's requirements were last reviewed 2026-07-21, and Mississippi's figures on this page come from its own published schedule.

What Mercury requires, and how a Mississippi LLC meets each

Requirement	How your Mississippi LLC satisfies it
LLC formation documents	Upload the Certificate of Formation Mississippi returned to you, stamped and approved.
IRS EIN confirmation letter	Provide your federal EIN (free from the IRS; non-US founders without an SSN must apply via Form SS-4 by fax or phone rather than the online tool) — independent of Mississippi.
Government-issued ID for owner(s)	Provide a government ID for each beneficial owner named in your Mississippi filings. Mississippi names a member or manager on a routine public filing, so at least one name already matches state records.
US business address	Use a US street address registered to the LLC in Mississippi (your Mississippi registered-agent or virtual business address), since a PO box is usually rejected.

Mississippi-specific things to watch

Mississippi names a member or manager on a routine public filing, so Mercury's beneficial-owner check will line up with public state records — you still upload a government ID for each owner. (The Certificate of Formation does not list members, but the mandatory annual report under Miss. Code § 79-29-215 requires the names and business addresses of managers (if manager-managed) or the name and address of at least one member (if member-managed), plus principal officers if any.)
Mississippi issues a Certificate of Formation rather than "Articles of Organization." When Mercury asks for "formation documents," upload your Certificate of Formation.
Budget for Mississippi's ongoing LLC costs before projecting your Mercury margins: No franchise or privilege tax on LLCs (Mississippi's franchise tax applies to corporations and is being phased out); note the foreign LLC annual report carries a $250 fee while the domestic LLC annual report is $0.

Mississippi sales tax & nexus rules for Mercury sellers

Mississippi charges a 7% state sales-tax rate. Payments through Mercury are not covered by marketplace-facilitator laws — you collect and remit yourself. Registration is required before your first taxable sale if you have physical presence in Mississippi (an in-state location, inventory, or employees), or once you cross Mississippi's remote-seller economic-nexus threshold of $250,000 in sales in the previous 12-month period.

Mississippi was one of the first states to enact economic nexus rules (December 2017), predating the Wayfair decision. The $250,000 threshold is higher than the typical $100,000, and there is no transaction count. Mississippi taxes most services broadly and has a 7% statewide rate with no local add-ons. Register through the Mississippi Taxpayer Access Point (TAP).

How to verify your Mississippi LLC on Mercury

LLC formation documents. Upload the Certificate of Formation Mississippi returned to you, stamped and approved.
IRS EIN confirmation letter. Provide your federal EIN (free from the IRS; non-US founders without an SSN must apply via Form SS-4 by fax or phone rather than the online tool) — independent of Mississippi.
Government-issued ID for owner(s). Provide a government ID for each beneficial owner named in your Mississippi filings. Mississippi names a member or manager on a routine public filing, so at least one name already matches state records.
US business address. Use a US street address registered to the LLC in Mississippi (your Mississippi registered-agent or virtual business address), since a PO box is usually rejected.

Non-US founders with Mississippi LLCs

Mercury explicitly supports non-US founders who have formed a US LLC, Mississippi included. A non-US passport is accepted for identity verification. The entity must be formed and registered in the United States, and a US business address is required, which a Mississippi registered agent address satisfies. No US Social Security Number is needed from the founder.

Frequently Asked Questions

: Yes. Mercury explicitly supports foreign founders with a US LLC. You need the Mississippi formation document (the Certificate of Formation), the IRS EIN letter, a non-US passport for identity, and a US business address. No US SSN or residency is required.
: No. Mercury accepts LLCs from all US states and territories. The formation document name varies by state, and Mississippi issues a Certificate of Formation; Mercury accepts it the same as any other state's.
: Mississippi charges $50 to file a Certificate of Formation, and that is the state's fee to create the LLC. Mississippi publishes a turnaround of same day (online). Mercury charges nothing for verification itself, so the $50 filing fee and Mississippi's ongoing obligations are the real cost of getting verified as a Mississippi entity.
: Mercury does not check where you live, only that the Mississippi entity is validly registered and that the details you enter match Mississippi's record. The catch is not Mercury, it is the state you actually operate from: states require an out-of-state LLC to register as a foreign LLC before it transacts business there, which is a second filing and a second fee on top of Mississippi's $50. Forming in Mississippi while working somewhere else usually means paying both states, not one.
: Probably yes. Mississippi charges a 7% state rate, and payments taken through Mercury are not covered by marketplace-facilitator laws, so you collect and remit yourself. Register before your first taxable sale if you have physical presence in Mississippi, or once you cross its remote-seller threshold of $250,000 in sales in the previous 12-month period.
: Upload the Certificate of Formation. Mississippi does not issue a document called Articles of Organization; the Certificate of Formation is the same instrument under the name Mississippi uses for it, and it is what Mercury means by a formation or business-registration document.