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# How to Write an Operating Agreement for a US LLC (2026 Guide)
- URL: https://blog.otoco.io/how-to-write-operating-agreement-us-llc-2026/
- Published: 2026-09-06T14:13:30.000Z
- Updated: 2026-09-06T14:13:30.000Z
- Description: You do not have an LLC ready for banking. You have Articles of Organization and a blank. Here is what an operating agreement must cover and why counterparties ask for it.
- Author: OtoCo
- Tags: Guide

Founders keep hitting the same wall: “I filed Articles of Organization, so the company is ready.” Then a bank asks for an operating agreement. Stripe asks who can bind the company. A contractor asks for proof of ownership. Suddenly the Articles PDF feels thin.

That is the wrong wall. Articles of Organization create the LLC with the state. They do not tell a counterparty who owns what, who can sign, how capital came in, or what happens if a member leaves. You do not have an LLC ready for banking. You have a formation receipt and a blank where the internal rules should be.

At OtoCo we form onchain US wrappers for builders who already live in wallets: Instant Series LLCs and Standalone filings in Wyoming and Delaware, with the document stack that banks and payment processors actually open. This guide is the 2026 operating-agreement pillar: what the document is, what it is not, what to put in it, how to keep it consistent with your EIN and bank pack, and how OtoCo fits. It is not a custom legal template for every founder. It is the ops map so you stop failing underwriting for a missing ownership story.

> Short answer: An operating agreement is the internal contract of the LLC. Banks, Stripe, and counterparties use it to see members, ownership percentages, managers or signers, capital contributions, transfer rules, and exit basics. Single-member LLCs still get asked for one. Match the company name and address across Articles, EIN letter, operating agreement, and applications. Keep a PDF pack with the EIN confirmation and a current Certificate of Good Standing. OtoCo forms the company and helps you keep the docs stack in one place. OtoCo is not a law firm.

## The wrong wall: Articles are not banking-ready

State filing proves the LLC exists. Underwriting asks whether the company looks finished. Those are different machines.

Articles typically show the company name, registered agent, and filing state. They often say almost nothing useful about beneficial ownership percentages, who can open a bank account, or what happens if co-founders disagree. When Mercury, a legacy bank, or Stripe asks for an operating agreement, they are not being pedantic for sport. They need a signed story that matches passport names, EIN records, and the person clicking “authorised signer.”

If your only PDF is Articles, you are not “almost there.” You are missing the ownership layer. Treat the operating agreement as part of the same company pack as your EIN and good-standing certificate, not as optional legal poetry.

## What an operating agreement is (and is not)

Plain translation: the operating agreement is the LLC’s rulebook among the members. It answers who owns the company, how decisions get made, how money moves, and how someone exits. In many states it is strongly recommended even when the statute does not force a filed copy onto the public record.

It is not your Articles of Organization. Articles are the public formation filing with the state.

It is not your EIN letter. The IRS confirmation (CP 575 or the online EIN letter) proves the federal tax ID. It does not allocate ownership or signing power. If you still need that tax ID, start with our guide on [getting an EIN for a US LLC without an SSN](https://blog.otoco.io/how-to-get-an-ein-for-a-us-llc-without-an-ssn-step-by-step/).

It is not a registered-agent receipt. The agent accepts service of process. That address is not proof of who owns the company, and it is usually the wrong mailing address for banking forms.

When a reviewer asks for “org docs,” they often mean the stack: Articles + operating agreement (or ownership schedule) + EIN confirmation. Handing them only one piece is why the ticket bounces.

## Single-member vs multi-member: banks and Stripe still ask

Solo founders hear a myth: “I am the only member, so I do not need an operating agreement.” Counterparties do not run on myths. A single-member operating agreement still names the member, states 100% ownership, and clarifies that this person (or a named manager) can open accounts, sign contracts, and bind the LLC.

Multi-member companies need the same clarity with sharper edges: ownership percentages, voting, capital calls, what happens if someone wants out, and who can sign alone versus who needs a second signature. Banks hate ambiguity more than they hate foreign passports. Stripe underwriting is the same pattern: ownership and control must be legible. See our companion guide on [getting Stripe with a foreign-owned US LLC](https://blog.otoco.io/how-to-get-stripe-foreign-owned-us-llc-2026/).

Whether you are one wallet or five, write the ownership story before you apply. Do not invent percentages on the banking form that nowhere else records.

## What to include in the document

You do not need a novel. You need a concrete stack of decisions written down and signed.

**Members and ownership.** Full legal names (matching passports and EIN applications), membership interests or percentages, and whether interests are voting or economic if you use that split. Vague “founders share equally” language that never totals 100% is how reviews stall.

**Who can sign.** Member-managed versus manager-managed, and who is authorised to open bank accounts, bind the company to contracts, and talk to processors. If only one co-founder will be the Mercury admin, say so.

**Capital contributions.** What each member put in (cash, IP assignment, or other), when it was contributed, and whether more capital can be required later. Banks sometimes ask how the company was capitalised; a blank answer is worse than a small number.

**Transfers.** Can a member sell or gift their interest freely, or do other members get a right of first refusal? Remote teams break when someone leaves and the ownership ledger is oral.

**If a member leaves.** Buyout basics, disability or death placeholders at a high level, and what happens to signing authority the day someone exits. You are not writing a full estate plan here. You are preventing a frozen company bank login.

**Dissolution basics.** How the LLC winds down, who decides, and how remaining assets get distributed after debts. Short is fine. Absent is not.

Keep language plain. If a term is statutory jargon, translate it once in a sentence so a bank analyst in another time zone can follow it.

## Match Articles, EIN, bank, and Stripe records

Inconsistency kills applications faster than missing polish. The company name on the operating agreement must match the Articles character for character, including “LLC” punctuation. Member names must match government IDs. The business mailing address should match what you put on the EIN letter and bank application, and it should not be only the registered-agent street unless your bank explicitly accepts that pattern.

Build one source of truth: name, address, members, percentages, signers. Copy from that source into every form. When Stripe asks for beneficial owners and the operating agreement shows different spelling or a different ownership split, you create a manual review that can last weeks.

The same discipline applies to banking. Our [US bank account guide for foreign-owned LLCs](https://blog.otoco.io/how-to-open-us-bank-account-foreign-owned-llc-2026/) is about the pack, not about charming a banker. The operating agreement is one page in that pack.

## Keep a PDF pack ready

Store a folder you can attach in one upload:

- Articles of Organization (stamped if you have them)
- Signed operating agreement (PDF)
- EIN confirmation letter
- Current Certificate of Good Standing when a bank or partner asks for proof the entity is active
- Government IDs for controlling persons

Good standing is a separate document from the operating agreement. When a counterparty wants proof the LLC is still active with the state, follow [how to get a Certificate of Good Standing for a US LLC](https://blog.otoco.io/how-to-get-certificate-of-good-standing-us-llc-2026/). Refresh it when it ages out of the window your bank accepts.

Update the operating agreement when ownership or signers change. An old PDF that lists a departed co-founder as 50% is not “close enough.”

## How OtoCo fits

OtoCo’s job is the company layer: form the US LLC, get the EIN, keep registered agent cover, and give you a place where formation docs live together instead of scattered across email threads. That stack is what banks and Stripe underwrite against.

We do not replace counsel for a custom multi-party deal, investor side letter, or edge-case governance. We do remove the empty-folder problem: Articles filed, EIN pending forever, operating agreement never signed, bank application rejected for incomplete org docs.

If you are still choosing the wrapper, form first, then freeze the ownership story in writing before you chase every neobank in parallel. Parallel applications with mismatched PDFs train reviewers to distrust the file.

## FAQ

**Do single-member LLCs need an operating agreement?**  
Statutes vary, but banks and processors often ask anyway. A short single-member agreement that states 100% ownership and signing authority usually clears the request faster than arguing you are exempt.

**Does the operating agreement get filed with the state?**  
Usually no. Articles are filed. The operating agreement is an internal document you keep signed and ready to send. Confirm your state’s norms with counsel if you are unsure.

**Can I use a free template?**  
Many founders start from a template, then edit names, percentages, and signer clauses so they match reality. A template that still says “Member A / Member B” will fail review. Whatever you use, sign it and keep the PDF.

**What if co-founders disagree on percentages?**  
Do not paper over the fight with a banking form. Resolve ownership before you apply. Underwriters will surface the conflict when IDs and percentages do not reconcile.

**Is an operating agreement the same as bylaws?**  
Bylaws are the corporation vocabulary. LLCs use an operating agreement. Same idea of internal rules, different entity type.

**Will OtoCo draft a bespoke agreement for every edge case?**  
OtoCo helps you form the company and keep the core docs stack available. Complex custom governance still belongs with a lawyer. We are not a law firm.

## Bottom line

You do not have a mysterious “bank hates LLCs” problem when the only PDF you can attach is Articles. You have a company without an ownership and signing story. Write the operating agreement, match it to EIN and applications, keep good standing and the EIN letter in the same pack, then apply once cleanly. Boring. Correct.

Ready to build the company layer with the docs stack in one place? Start at [otoco.io](https://otoco.io/?utm%5Fsource=blog&utm%5Fmedium=organic&utm%5Fcampaign=operating-agreement).

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*Disclaimer: This guide is for general information only. It is not legal, tax or accounting advice. Operating agreement requirements and banking underwriting practices vary by state and counterparty; always confirm current rules and consult a qualified advisor for your facts. OtoCo is not a law firm and not a CPA.*