How to Start an Indiana LLP — Step-by-Step Registration Guide

Your LLP name has to be distinguishable from every other business name already on file with the Indiana Secretary of State. "Distinguishable" is a legal test, not just a gut check — names that differ only by punctuation, spacing, or a word like "the" or "and" may not clear it. The state checks against all registered entities, not only partnerships.

Start at the Indiana business name search. Search your intended name and close variations of it. If something too similar is already registered, the state can reject your filing, which costs you time.

Name requirements for an Indiana LLP

• The name must include a limited liability partnership designator such as "Limited Liability Partnership," "LLP," or "L.L.P."
• It must be distinguishable from other names on record with the Secretary of State
• It cannot falsely imply a government affiliation
• Certain restricted words (relating to banking, trust, or insurance, for example) may require additional approval from the relevant regulator

Optional: reserving the name

If you have settled on a name but are not ready to register, Indiana lets you reserve it for a limited period through INBiz for a small state fee. Reserving does not create the LLP — it simply holds the name while you finish the partnership agreement, line up a registered agent, or coordinate among partners.

An LLP is a general partnership that has registered for a liability shield, so the partnership itself needs to exist before or at the same time as the registration. If two or more people are already carrying on a business together for profit, Indiana law already treats them as a general partnership. The practical work at this stage is agreeing among the partners on the terms that will govern the business — who owns what share, how profits are split, how decisions are made, and how partners join or leave.

Put it in a partnership agreement

These terms belong in a written partnership agreement. Indiana does not require you to file it, and it never becomes public, but it is the document that actually runs the business and prevents disputes. We cover it in depth on the partnership agreement page, but the key point at this step is that the partners should reach agreement on the fundamentals before registering, so the LLP starts on solid footing rather than relying on statutory defaults that may not match your intentions.

Decide who the partners are

Confirm exactly who the partners will be and in what capacity. For a professional LLP, verify that each partner holds the required Indiana license, since some professional partnerships have restrictions on who may be a partner. Getting this settled before filing avoids amendments later.

Before you file, you need a registered agent lined up. Indiana requires every LLP to maintain a registered agent with a physical street address in the state throughout the life of the partnership. The agent is the party that receives lawsuits, subpoenas, and official state correspondence on the partnership's behalf, and the agent's information goes into the registration.

Who can serve as your registered agent

• A partner or yourself: Any partner with a physical Indiana street address (not a P.O. box) who is reliably available during business hours can serve. That address becomes part of the public record.
• Another individual: Any Indiana resident with a qualifying street address — an attorney, an employee, or a trusted contact.
• A commercial registered agent service: A business authorized to act as a registered agent in Indiana. A commercial service keeps its professional address in the public record instead of a partner's home address and guarantees someone is present during business hours to accept documents.

Why the choice matters

Whatever address you list becomes searchable in Indiana's public business database. Many partnerships use a commercial service specifically to keep partners' home addresses out of that record, and to ensure that a missed delivery of legal process never happens because everyone was in court, on vacation, or out of the office.

The Statement of Qualification — the registration as a limited liability partnership — is the filing that creates your LLP status in Indiana's records. You file it online through INBiz, the Secretary of State's Business Services Division portal. The state charges a registration fee; the receipt card on this page shows the current amount so you can budget for it.

Online filings through INBiz process quickly — typically about one business day, often the same day. Once processed, the LLP appears in the state's business search and your confirmation documents are available. Filing by mail is available but takes several business days and is rarely worth the delay.

What goes in the registration

• LLP name: The full legal name including the required LLP designator
• Principal office address: The partnership's main business address
• Registered agent name and Indiana street address: The agent's actual physical address — no P.O. boxes for the agent's location
• Confirmation of LLP status: The statement registering the partnership as a limited liability partnership

What you don't have to disclose

You do not list every partner's ownership percentage, describe your internal profit arrangements, or reveal financial figures in the registration. It is a short public filing, not a disclosure of the partnership's private economics. The partnership agreement handles the internal details and stays out of the public record.

An Employer Identification Number, or EIN, is the free nine-digit tax identifier the IRS assigns to a business at the federal level. Every LLP needs one — because a partnership must file its own federal return, an LLP cannot use a single partner's Social Security number the way a sole proprietor sometimes can.

Why the LLP needs an EIN

• The partnership files Form 1065, the federal partnership return, which requires an EIN
• The partnership issues Schedule K-1s to each partner, which reference the EIN
• Banks require an EIN to open a business account in the partnership's name
• You need it to hire employees and handle payroll withholding

How to apply

Apply online through the IRS EIN Assistant at IRS.gov. The application takes roughly ten minutes and the EIN is issued immediately — you can use it the same day. The online application requires a responsible party with a US Social Security number or ITIN. Partnerships whose responsible party lacks one apply by fax or mail using Form SS-4.

Keeping the partnership's money separate from the partners' personal finances is essential to preserving the liability shield. Commingling — running personal expenses through the partnership account or vice versa — is exactly the kind of conduct that lets a court disregard the LLP's separateness and reach a partner personally.

What most banks ask for

• The filed Statement of Qualification (your LLP registration confirmation from the state)
• The IRS EIN confirmation
• The partnership agreement (many banks ask to see it to confirm who can sign)
• Government-issued ID for each authorized signer

Community banks and credit unions are often more flexible with new partnerships than large national chains, and several online business banks can open an account without a branch visit. Compare monthly fees, transaction limits, and minimum balances before choosing.

Most of the compliance work is front-loaded into registration. After that, the recurring duties are a biennial report, keeping your registered agent current, and the tax and licensing obligations that apply to any partnership.

Business Entity Report — biennial

Indiana LLPs file a Business Entity Report every two years through INBiz, not annually. The report confirms your registered agent and address and keeps the entity active. Because the cycle is every other year rather than every year, it is unusually easy to forget — track it deliberately, because a lapse eventually leads to administrative dissolution.

Registered agent maintenance

If your agent changes address, resigns, or you switch agents, update the state record promptly. An outdated agent address leaves the LLP non-compliant even when the report is current.

Tax filings

The partnership files a federal Form 1065 and issues K-1s to the partners. Indiana requires a partnership information return, and partners report their Indiana-source income on their individual returns. If the LLP sells taxable goods or services, register for Indiana sales tax through the Department of Revenue. A CPA should confirm the specifics for your practice.

Professional licensing

A professional LLP must keep every partner's license current and maintain whatever professional liability insurance the Indiana licensing board requires. These obligations run separately from the Secretary of State filing and are the partners' responsibility.