Florida's Series LLC Law Takes Effect July 1, 2026: A Small Business Guide to Protected Series, Liability Shields, and Per-Series Bookkeeping

Imagine you own three rental properties — one in Orlando, one in Tampa, one in St. Petersburg — and you are paying for three separate LLCs, three registered agents, three annual reports, and three tax returns just to keep a lawsuit on one property from threatening the other two. Starting July 1, 2026, Florida will let you collapse that stack into a single parent LLC with three legally segregated compartments. The catch? The liability wall between those compartments lives or dies on your bookkeeping.

On June 20, 2025, Senate Bill 316 was signed into law. In five weeks from the article date of the announcement, Florida was set to join Delaware, Texas, Illinois and more than a dozen other states that permit Series LLCs. If you hold multiple properties, run parallel ventures, or operate a family investment portfolio with Florida exposure, now is the time to decide whether to form a new Florida Series LLC, restructure what you have, or register an out-of-state Series LLC to do business in Florida — and to build the per-series accounting system that actually makes the shield work.

What a Series LLC Actually Is​

A Series LLC is not a holding company that owns subsidiaries. It is a single limited liability company that creates internal divisions called protected series. Each protected series can hold its own assets, run its own operations, and have its own members and managers, all under the umbrella of the parent LLC.

Think of the parent as the filing cabinet and each protected series as a locked drawer. For liability purposes, each drawer is treated much like its own entity:

• The debts of Protected Series A are enforceable only against the assets of Series A.
• The parent LLC is not liable for a series' obligations merely because it is the parent.
• No series is liable for the debts of another series.

Compared with the traditional approach of forming three or five separate LLCs — each with its own Articles of Organization, EIN, operating agreement, registered agent, annual report, and bank account — a Series LLC achieves similar compartmentalization with materially less filing overhead. The trade-off is discipline: every protection Florida grants is conditioned on you keeping each drawer's contents clearly labeled and separate.

How Florida's New Law Works​

1. Formation and Naming​

A Florida LLC establishes a protected series by filing a protected series designation with the Florida Department of State, Division of Corporations. There is no separate Articles filing per series; you designate under the existing parent LLC.

Naming is formalistic and strictly enforced. Each protected series name must:

• Begin with the full legal name of the parent LLC, exactly as it appears on record, and
• Include the words "protected series," "P.S.," or "PS."

Example: If your parent is "Sunshine Holdings LLC," a compliant series name would be "Sunshine Holdings LLC, Protected Series A — Riverside Duplex" or "Sunshine Holdings LLC, P.S. B — Tampa 4-Plex." Contracts, leases, invoices, and bank accounts should use the full series name, not the parent shorthand.

2. Internal Liability Shields​

Florida's statute provides horizontal and vertical segregation: a creditor of Series A cannot reach the parent's general assets or Series B's property, and the parent's own creditors cannot reach a series' assets, provided the statutory conditions are met.

That last clause matters more than the shield itself. Unlike a standard LLC where limited liability attaches at formation, a protected series' shield is not self-executing. It depends on continuous compliance with the recordkeeping and disclosure requirements below. Fall behind on those, and a court has a clear statutory hook to disregard the separation.

3. Recordkeeping Is the Price of Protection​

This is the provision that turns a legal structure into an accounting problem:

Each protected series must maintain records that clearly identify its assets and liabilities, separate from the parent and every other series.

In practice that means:

• Separate books per series. Not just Class tracking or tags in one QuickBooks file, but a ledger where each series has its own equity section, its own profit-and-loss, and its own balance sheet that can be produced on demand. If you use plain-text accounting or any double-entry system, give each series its own root accounts or its own file included under the parent. See the documentation patterns for how to structure multi-entity ledgers without duplicating your chart of accounts.

• Separate bank and payment accounts per series. Rent for the Orlando duplex should land in the Orlando series account, and the plumber for that property should be paid from that account. Inter-series payments — say Series B temporarily covering a Series A repair — must be documented as a formal inter-series loan or expense allocation with a written memo, arm's-length terms, and a clear repayment.

• No commingling. One bank account, one credit card, or one operating account that pays expenses for multiple series will be Exhibit A for a creditor arguing that separation was a fiction. Use distinct accounts even when it feels inefficient.

• Associate every asset and contract with one series. Deeds, vehicle titles, equipment, leases, vendor agreements, and insurance policies should identify the specific protected series as the owner or counterparty. A deed titled to the parent when the operating history lives in Series A creates ambiguity you will have to explain later.

If you cannot produce clean, separate records on short notice, you have given a plaintiff the argument that your compartments were never real.

4. Annual Reporting​

Florida LLCs file an annual report between January 1 and May 1 each year with the Division of Corporations. Under the new law, the parent LLC's annual report must list the name of each protected series. The current LLC annual report fee is $138.75, with a $400 late penalty if you miss the May 1 deadline — and a series LLC that fails to properly disclose its series creates uncertainty about a series' standing. Put the annual-report deadline on the same checklist as your franchise-tax or BOI-reporting calendar so a late filing does not become a liability event.

Confirm the final fee schedule for protected series designations when you file; Florida has historically charged modest per-filing fees for LLC documents, but per-series surcharges and expedite fees can change with rulemaking.

5. Limits on Mergers and Conversions​

The statute restricts how a Series LLC and its protected series participate in mergers, conversions, and interest exchanges. If you anticipate rolling a series into a new entity, converting a series to a standalone LLC, or merging the parent, get counsel before you sign the term sheet. A transaction that would be routine for a plain LLC can require series-level approvals and separate filings here.

6. Florida Now Recognizes Foreign Series LLCs​

If you already operate a Delaware or Texas Series LLC and you do business in Florida, the new law is especially relevant. Florida will recognize a properly formed and maintained foreign Series LLC and respect its internal shields — but only if you register as a foreign entity and maintain the same separateness Florida requires domestically.

That recognition is not automatic permission to operate quietly. You will still need to file a foreign qualification, appoint a Florida registered agent, obtain a certificate of existence from the home state, and list your protected series that will operate in Florida. Lenders, title companies, and counterparties who were previously cautious about honoring an out-of-state series structure inside Florida will have a clearer statutory basis, which should reduce friction on deeds, mortgages, and leases — if your paperwork matches your structure.

Who Benefits Most​

Real Estate Investors​

This is the textbook use case. Place each property — or each small cluster with similar risk — in its own protected series. A slip-and-fall claim or construction defect at the Tampa property is enforced against that series' equity, not against the Orlando property's equity or the parent's operating account. You avoid paying for five LLC annual reports and registered agents while keeping the same economic separation. For portfolios of 4 to 20 units, the administrative savings often exceed $1,000 to $3,000 per year even before you count tax-preparation efficiencies.

Entrepreneurs Running Parallel Ventures​

If you run a brand studio, a small SaaS product, and an e-commerce line out of one entrepreneur's portfolio, a Series LLC lets you isolate the e-commerce line's inventory liability and chargeback risk from the studio's client deposits and the SaaS's recurring revenue, without maintaining three entirely separate companies. You can also tailor membership per series: an investor can hold 30% of Series B without owning Series A.

Family Offices and Investment Groups​

Families pooling capital across rental, brokerage, and operating assets can compartmentalize by asset class and give different family members different economics per series. Governance can vary by series — Series A managed by one sibling, Series B by another — under one parent operating agreement, rather than a web of cross-owned LLCs.

Tax Treatment: Each Series Is Its Own Taxpayer​

Florida's liability treatment does not control federal tax classification. Under IRS proposed regulations under Section 7701 (REG-119921-09, still in proposed form but widely followed), each protected series is generally treated as a separate entity for federal income tax purposes.

That has concrete consequences:

• Separate EINs. Each protected series that will hire, open a bank account, or file a tax return typically needs its own Employer Identification Number. Do not reuse the parent's EIN across series for banking or 1099 reporting.

• Separate filing posture per series. A series with two members will generally be a partnership (Form 1065), a single-member series will generally be disregarded unless it elects corporate treatment, and any series can elect to be taxed as a corporation (Form 8832). The parent's classification does not automatically flow down.

• Separate books drive separate returns. Your per-series trial balance is the source for that series' return. If your books are commingled, your CPA will have to reconstruct them at billable hours, or worse, file on a blended basis that undermines the very separateness you created for liability purposes.

• Florida state considerations. Florida does not impose a personal income tax, but it does impose a corporate income tax and has its own LLC filing and annual-report regime. Sales tax, reemployment tax, and local business tax receipt obligations can also attach per series depending on activity. Coordinate with your tax advisor before you elect how each series will be taxed.

Should a Delaware or Texas Series LLC Register as a Foreign Series in Florida?​

If your existing Series LLC was formed in Delaware or Texas and you now have Florida operations — property, employees, a storefront, or regular solicitation — you likely already have a foreign-qualification obligation independent of the new law. What changes on July 1, 2026 is the risk calculus:

Reasons to register the foreign series in Florida now:

• Your internal liability shields gain explicit statutory recognition in Florida courts, reducing the argument that Florida should treat the whole structure as one undifferentiated LLC.
• Counterparties — especially title insurers and commercial lenders — gain a clearer basis to accept deeds, mortgages, and assignments naming a specific protected series as grantor or borrower.
• You can use Florida's courts and agencies with a series-identified plaintiff or registrant without first domesticating.

Reasons to consider forming a new Florida Series LLC instead:

• If your nexus is now overwhelmingly Florida, a domestic Florida parent may be simpler for Sunbiz filings, annual reports, and registered-agent cost than maintaining a Delaware parent with Florida foreign qualification plus Delaware franchise-tax compliance.
• Some lenders and insurers still prefer a Florida domestic entity for Florida real property. A domestic parent can reduce underwriting questions.
• Transition may still require deeds and assignments, but starting fresh in Florida avoids years of dual-state compliance if you plan to wind down the out-of-state footprint.

In either path, do not do a paper-only conversion. Transferring Florida real property from a Delaware series to a Florida series is a real conveyance: it requires a deed, documentary stamp tax, potential mortgage due-on-sale review, lender consent, title endorsement, and lease assignments. Budget for title and recording costs per parcel, and line up lender consents early — a blanket assignment without consent can breach a loan covenant.

The Bookkeeping System That Actually Preserves the Shield​

Statutes describe separation; your ledger proves it. Here is a practical pattern that holds up under diligence and, if needed, under a creditor's subpoena:

Give Each Series Its Own Equity and Retained Earnings​

Create a distinct equity subtree per series: Equity:Series-A:Capital, Equity:Series-A:Retained, and parallel retained-earnings rollforwards. This makes it obvious which capital funded which asset and where profits accumulated. Visualize per-series net worth over time to catch a series that is drifting negative or being silently subsidized by another.

Treat Inter-Series Activity as Related-Party Activity​

If Series A pays a contractor for Series B, book it as:

• Series A: Assets:Due-From-Series-B (receivable)
• Series B: Liabilities:Due-To-Series-A (payable) + Expenses:Repairs

Set a written inter-series agreement that defines when such advances are allowed, the interest rate if any, and a settlement cadence (e.g., net settle monthly). Reconcile the due-to/due-from pair to zero on settlement — a permanently growing inter-series balance signals commingling in substance.

Allocate Shared Costs with a defensible method​

A single management company or parent-level expenses — accounting, software, a shared virtual assistant — should be allocated to series by a consistent key: revenue, square footage, unit count, or time tracking. Document the key in a memo, apply it the same way each period, and post allocation entries rather than splitting a single credit-card charge ad hoc. The allocation memo is the evidence that the sharing was intentional, not sloppy.

Sign and Invoice as the Series​

Every lease, W-9, W-8, and vendor setup should identify the full protected-series name and that series' EIN. If your property manager collects rent under the parent name and you later argue the income belonged to Series C, you have created a fact question about who really owned the asset.

Common Mistakes That Collapse the Wall​

• Using QuickBooks "Classes" or spreadsheet tabs as the only separation while running one bank account for all series.
• Paying a Series B security-deposit refund from Series A's operating account because it had cash that day.
• Titling a new property to the parent because the deed preparer defaulted to the parent name.
• Forgetting to update insurance: a certificate of insurance naming only the parent while the loss occurred in Series B invites a coverage dispute.
• Letting one series run negative equity for quarters without a documented capital contribution or loan.

Each of these is fixable in a week if you catch it. Each is expensive to explain after a claim.

Before and After July 1: A Practical Checklist​

In the next 30 days:

1. Inventory your current structure. List every LLC, its assets, its debts, and whether it truly needs its own liability wall. A portfolio of five single-property LLCs is the strongest Series LLC candidate; a single LLC holding five properties with no separation is the strongest argument for restructuring.

2. Map lender and title constraints. Pull each mortgage and note for due-on-sale, transfer, and consent language. Call your title insurer about its requirements for insuring a series-identified owner.

3. Choose a bookkeeping architecture. Decide whether each series will have its own Beancount file, its own set of accounts in one ledger, or a parent file that includes per-series files. Draft the chart of accounts and the inter-series loan template now, not when rent is due.

At formation or registration:

4. File the protected series designations with Sunbiz and confirm acceptance and name compliance. Order a certificate of status for the parent and each series you will use with counterparties.

5. Obtain separate EINs, open separate bank accounts, and re-point rent collection, merchant processing, and bill pay to the correct series.

6. Re-title assets and re-paper contracts that will move into a series: deeds, leases, management agreements, vendor accounts, and insurance policies.

On an ongoing basis:

7. Close each series monthly. Reconcile every series bank account, clear inter-series balances, and produce a per-series balance sheet and profit-and-loss. A five-minute glance at per-series cash replaces a scramble before a loan application.

8. Report accurately. Include every active protected series in the parent's annual report, and calendar the January 1–May 1 filing window with a reminder in early April — the $400 late penalty is an avoidable tax on procrastination.

9. Review annually with advisors. Liability facts change when you add a property, take on a partner for one venture, or bring in debt secured by a single series. Revisit whether a series should be dissolved, spun off, or converted to a standalone entity.

Costs, Savings, and Trade-Offs in Plain Numbers​

A back-of-the-envelope comparison helps frame the decision:

• Separate LLCs: Five Florida LLCs × $125 formation fee + $138.75 annual report each + five registered-agent fees (often $99–$149 each per year) + five tax returns at $500–$900 each for simple rentals = roughly $1,400 in state fees and several thousand in compliance costs annually.

• Series LLC with five protected series: One parent formation + five designation filings + one annual report that lists five series + one registered agent for the parent (series share the agent) + potentially five tax returns still — but one operating agreement to maintain and one set of state compliance deadlines.

The Series LLC saves on state filings and agent fees, not on tax returns: each series that is a separate tax entity still files separately. The larger saving is operational: one registered agent, one annual-report deadline, one operating agreement with series supplements, and one compliance calendar. For owners who value simplicity as much as dollars, that consolidation alone can justify the switch — provided they invest the saved dollars into the disciplined bookkeeping the structure demands.

The trade-offs to weigh openly: not every state recognizes series liability, bankruptcy treatment of a single series remains less tested than a standalone LLC, some banks and insurers still underwrite series title with extra scrutiny, and a future sale of one series can be more complex than selling a standalone LLC. Insurance does not become optional because you have compartments — each series still needs appropriate liability and property coverage.

Bottom Line​

Florida's Series LLC law is a genuine simplification for small businesses that have been paying for multiple LLCs to achieve what one well-maintained Series LLC can now do. It rewards the owners who are already good at keeping separate books, and it punishes the owners who treat separate entities as a filing technicality.

If you take one idea from this guide, make it this: form the series on paper, but earn the shield in your ledger. Open the separate accounts, name the series on every contract, allocate shared costs by a written key, and close each series' books every month. That monthly habit is cheaper than a single argument about whether your compartments were ever real.

Simplify Your Financial Management​

Whether you consolidate into a Florida Series LLC or keep separate entities, keeping pristine, per-entity records is what preserves your liability protection and keeps tax season calm. Beancount.io gives you plain-text accounting that is transparent, version-controlled, and AI-ready — so each protected series can have its own auditable ledger without wrestling a black-box system. Explore the accounting patterns in the docs and visualize per-series performance with Fava. When you are ready to make per-series bookkeeping your standard, get started for free.