Filter by Category

How to Form a Texas Series LLC in 2026: Compliance Steps, Filing Fees, and Asset Segregation Requirements Explained

Forming a Texas Series LLC in 2026 generally requires filing a Certificate of Formation with the Texas Secretary of State and paying a $300 state filing fee (plus any registered agent and drafting costs). Texas allows “series” within one LLC to segregate assets and liabilities, but only if formation documents and operational practices clearly maintain separateness. This article explains 2026 compliance steps, costs, and the asset-segregation requirements Texas owners must follow.

What a Texas Series LLC Is (and Why Owners Use It)

A Texas “series LLC” is a limited liability company that can establish one or more internal “series” (sometimes called protected series) under a single parent (the “master” LLC). Each series may have separate assets, liabilities, members, and business purposes. In practice, owners often use series structures to group multiple ventures—such as multiple rental properties, separate product lines, or distinct investment strategies—inside one overarching entity.

The primary appeal is cost-and-administration efficiency: you can potentially reduce the number of stand-alone entities to manage while still aiming to compartmentalize risk. The tradeoff is that asset segregation is not automatic. In Texas, the liability shield between series depends on compliant formation documents and disciplined operational separation.

Governing Law in Texas (2026): The Core Legal Framework

Texas series LLCs are governed by the Texas Business Organizations Code (TBOC). Texas permits an LLC to have “series” with liability limitations, but only if statutory requirements are met. The most important legal concept for compliance is that a series is not simply an internal nickname; it must be recognized in the company’s governing documents, and the LLC must maintain records and separateness that support the liability firewall.

Key practical point: If the master LLC does not properly establish series authority and does not maintain separate records and accounting, a claimant may argue that assets should not be segregated, increasing the risk that liabilities of one series reach the assets of another series (or the master).

Step-by-Step: How to Form a Texas Series LLC in 2026

1) Choose the structure: master LLC and intended series plan

Before you file anything, map out what each series will hold and do. Examples:

Real estate: Series A holds 123 Main St., Series B holds 456 Oak Ave., Series C holds 789 Pine Dr.

E-commerce: Series A runs Brand One, Series B runs Brand Two, each with distinct vendor contracts and inventory.

This planning stage should also address whether each series will have different owners, different managers, separate bank accounts, or distinct financing. The more separate the economics, the more you should design separateness up front.

2) Name the LLC and confirm availability

Pick a compliant name that includes “Limited Liability Company,” “LLC,” or “L.L.C.” Confirm availability through the Texas Secretary of State. Consider a naming convention that anticipates multiple series (for example, “Lone Star Holdings Series LLC”).

Separately, decide how you will name each series in contracts and banking. A common best practice is to use a “doing business as” style reference on agreements, such as: “Lone Star Holdings LLC, a Texas series LLC, on behalf of its Series A.” Your attorney can help standardize this to reduce signature and enforcement disputes.

3) Appoint a Texas registered agent

Texas requires every LLC to maintain a registered agent and registered office in Texas for service of process. You may use:

A commercial registered agent company, or
An individual Texas resident who consents to serve.

Do not list a person or business without valid consent; Texas expects the agent’s consent to serve. Using a commercial agent is common for privacy and reliability.

4) File the Certificate of Formation (Form 205) and include series authority

To form the master LLC, file a Certificate of Formation (Texas Form 205) with the Secretary of State. The state filing fee is $300 (standard SOS fee). Filing is commonly done online through SOSDirect or by mail.

Series-specific drafting requirement: Your formation document must authorize the LLC to establish series and include statutory notice language (or substantively similar language) that limitation of liabilities applies between series—subject to compliance. If the Certificate of Formation is silent or vague, you risk undermining the intended liability protection.

Practical drafting tip: Many owners rely on an operating agreement alone for series language. That can be risky. The formation document should provide the public notice element required by Texas law.

5) Draft a series-ready Company Agreement (Operating Agreement)

Texas does not require an operating agreement to be filed, but for a series LLC it is the document that makes the structure operational. A series-ready agreement typically addresses:

How and when a new series is created (written resolution, schedule, or exhibit)
Members/managers by series (ownership percentages, voting, admissions, transfers)
Capital accounts and allocations by series
Authority to open separate bank accounts and maintain separate books
Inter-series transactions (loans, shared services, reimbursements)
Dissolution of a series and what happens to its assets/liabilities

Example: If Series A and Series B share an employee or contractor, the operating agreement can require a written cost-sharing agreement and monthly allocation methodology to avoid “commingling” arguments.

6) Create each series with written internal documentation

Texas generally does not require a separate public filing every time you create a new series, but you should create each series in writing as your operating agreement specifies (e.g., manager resolution plus an exhibit describing the series name, business purpose, members, and assets). Your documentation should identify:

Series name/identifier (e.g., “Series A”)
Asset list at inception (cash, property, contracts)
Owners and management authority for that series
Bank account to be used by that series

7) Obtain an EIN and decide how to handle tax and banking for each series

Most LLCs obtain an EIN from the IRS. For series LLCs, EIN strategy can vary depending on tax classification and how each series is treated for federal tax purposes. Many owners obtain an EIN for the master and may obtain additional EINs for series depending on tax treatment, payroll needs, banking requirements, or investor preferences.

Banking reality: Many banks require clear documentation for each series and may prefer separate accounts per series. Expect a bank to request the Certificate of Formation, operating agreement, and the internal series resolution/exhibit establishing the series.

8) Get local licenses and align contracts to the correct series

Entity formation does not replace permits, professional licenses, sales tax permits, or local compliance. Additionally, the correct contracting party matters. If Series B owns a property or runs a product line, the lease, vendor agreements, insurance policies, and customer terms should name the master LLC acting “for and on behalf of Series B” (or other counsel-approved wording), not the wrong series or an individual owner.

2026 Filing Fees and Typical Formation Costs (Texas Series LLC)

Texas Secretary of State filing fee: $300 for the Certificate of Formation of the master LLC.

Other common costs:

Registered agent: often an annual fee if using a commercial service
Attorney drafting: varies widely; a series-capable operating agreement is more complex than a standard LLC agreement
Certificates/copies: optional SOS certified copies or certificates of fact/status for banking and counterparties
Business licenses/permits: industry-specific and locality-dependent

Budgeting note: The state fee is straightforward; the larger variable is legal drafting and compliance setup. Because series liability protection depends heavily on documentation and practices, “cheap” templates often cost more later if a dispute arises.

Asset Segregation Requirements: How the Liability Shields Are Preserved

Texas series LLC liability protection is not a magic wand. The legal purpose is to limit a creditor of Series A to Series A’s assets (not Series B’s). To preserve that limitation, owners should follow a separateness protocol that aligns with Texas statutory expectations and good litigation hygiene.

1) Public notice and governing documents must authorize series

Your formation document should contain series authority and notice language. Your operating agreement should define how series are created and administered. If these are inconsistent, ambiguous, or missing, creditors may argue the series were never properly established.

2) Maintain separate records and accounting for each series

At minimum, keep separate bookkeeping ledgers by series. Ideal practice includes:

Separate balance sheets and profit-and-loss statements
Separate bank accounts (strongly recommended)
Invoices and receipts categorized to the correct series

Example risk: If Series A collects rents but Series B pays Series A’s repairs without a documented inter-series reimbursement, a creditor can claim commingling and push to reach beyond the intended series boundary.

3) Title assets in the correct series (and keep documentation consistent)

For real estate, ensure deeds and closing documents reflect the correct ownership format tied to the series structure. If a property is intended to be owned by Series C but the deed lists only the master LLC (or an individual), you may have created an avoidable vulnerability. Coordinate with your attorney and title company to align vesting language, lender documents, and insurance.