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This post uses hypothetical scenarios for illustrative purposes only. It does not describe any actual client, transaction, or representation, and is not legal advice.

The 2026 Florida asset-M&A workers-comp story plays out the same way in a lot of labor-heavy deals — landscaping platforms, HVAC roll-ups, staffing companies, roofing, restoration, tree services. The buyer runs a clean LOI on a target with a hundred-plus field employees, negotiates a purchase price off a normalized EBITDA number, and does not think about the target’s workers-comp experience mod until the first renewal quote lands after closing. The quote comes in at a 1.45 experience modifier — meaning the buyer’s newly acquired payroll is being priced at forty-five percent above the industry manual rate, on the theory that the acquired operation’s claim history predicts elevated future losses. For a $12 million payroll base at a landscaping class-code manual rate somewhere near six to eight dollars per hundred, the swing between a 1.00 mod and a 1.45 mod is a six-figure line item that showed up nowhere in the purchase price calculation.

The doctrinal point that gets missed here is not exotic. Florida’s workers-comp regime under Chapter 440 of the Florida Statutes is a mandatory coverage regime for most employers with four or more employees, and the National Council on Compensation Insurance — NCCI — administers the classification, rating, and experience-modification calculations for Florida (as for most jurisdictions). The experience mod is calculated at the level of the ownership interest that controls the payroll, and NCCI’s ownership-change rules under Rule 3-A of its Experience Rating Plan Manual do not let a buyer reset the mod simply by structuring the deal as an asset purchase. If the ownership, management, and operations carry over in substance, the mod carries over. And in the Florida asset-M&A market, that is a rule that catches unprepared buyers all the time.

Chapter 440 is the coverage regime — NCCI is the pricing regime

Florida § 440.10 requires employers within the statute’s coverage to secure workers-compensation coverage for their employees, either through an authorized insurer or through the state’s approved self-insurance mechanisms. The Division of Workers’ Compensation within the Department of Financial Services enforces the coverage obligation. The penalty regime under § 440.107 for uncovered payroll is stiff — a stop-work order plus a penalty equal to two times the premium the employer would have paid over the preceding two years. That statute alone is a diligence workstream in any Florida asset deal with a meaningful field workforce.

But Chapter 440 sets the coverage obligation; it does not set the price. The price sits with NCCI’s Experience Rating Plan, which Florida has adopted for use in the voluntary market. NCCI publishes an annual class-code manual — the roofing class code, the tree-trimming class code, the janitorial class code, each with its own manual rate. The manual rate is then adjusted by the experience modifier for the specific employer, which is calculated on a three-year rolling window of actual losses versus expected losses for that class code. A clean-loss employer runs a mod below 1.00; a claim-heavy employer runs a mod above 1.00; a debit mod above 1.25 is the range where the underwriting posture starts to change and the coverage market begins to narrow.

NCCI Rule 3-A and the ownership-change trap

Rule 3-A of NCCI’s Experience Rating Plan Manual — the combination-and-separation-of-experience rule — governs what happens to the mod when the ownership of the insured operation changes. The doctrinal frame is that the mod belongs to the operation, not to the legal entity that holds the assets. If the buyer acquires the operation as a going concern — whether as a stock deal, an asset deal, or a division carve-out — NCCI’s rule generally requires that the experience of the acquired operation combine into the buyer’s mod calculation for future rating years.

The tests NCCI applies to determine whether an ownership change triggers combination look at whether there is a majority-ownership change, a change in the control of operations, or a merger or consolidation of separate businesses. An asset deal that transfers substantially all of the target’s operating assets, hires substantially all of the target’s employees, continues the target’s customer relationships, and uses the target’s operational infrastructure will generally trigger combination — meaning the buyer’s post-closing mod calculation will absorb the target’s three-year loss history, whether the buyer wanted it or not.

The trap that catches buyers is the assumption that an asset sale is a clean break. In a stock deal, the mod obviously travels with the entity — the entity is the same, the payroll is the same, the losses are the same. In an asset deal, buyers occasionally believe they have bought the payroll and left the losses behind. NCCI’s rule says no. The rule was written specifically to prevent employers from using ownership-change transactions to strip away an adverse loss history and reset the mod at 1.00, which the underwriting market would have found intolerable at scale.

The ninety-day pre-LOI diligence window

The right time to pull the target’s NCCI experience-mod worksheet is not at signing. It is ninety days before the LOI. The reason for the timing is that a mid-market target’s mod can move meaningfully year over year — a large open claim can settle and drop off the calculation, a new claim can enter the window, a payroll audit can reclassify hours from a lower-rated class code to a higher-rated one, and each of these events can shift the mod by five to fifteen points. Ninety days is enough time to get the current-year and prior-two-year mod worksheets from the target’s insurance broker, to identify the specific claims driving the current mod, to understand the payroll classification breakdown, and to price the exposure into the LOI’s normalized-EBITDA discussion.

The mod worksheet itself is a public-facing document. NCCI produces it for each rated employer, and the target’s broker will have a copy. The worksheet shows expected losses by class code, actual losses by claim, the primary-loss and excess-loss splits, and the resulting modification factor. Deal counsel who have not read a mod worksheet before benefit from an early conversation with the buyer’s insurance advisor — a good one can translate the worksheet into a two-page memo on where the exposure sits and what the post-closing renewal is likely to look like.

The price impact and the seller-friendly response

The price impact of an inherited debit mod is not abstract. For a labor-heavy Florida target with a $10 million payroll base in a mid-hazard class code — landscaping, restoration, HVAC service — the swing from a 1.00 mod to a 1.30 mod at a manual rate of five dollars per hundred is roughly $150,000 per year in additional premium. Capitalized at a five-times multiple, that is $750,000 of enterprise value that quietly disappears at the first post-closing renewal. On a $30 million deal, that is two and a half percent of the purchase price disappearing into an insurance line item nobody negotiated.

Sell-side counsel who have walked through this once do two things at LOI. First, they surface the mod worksheet in the diligence data room early, ahead of the buyer’s information request. Second, they push the pricing negotiation toward a normalized-EBITDA calculation that assumes the buyer’s own post-closing insurance program rather than the seller’s — meaning the seller does not eat the entire premium delta simply because the buyer’s own historical mod is worse than the target’s. The negotiation over whose insurance baseline to use in the EBITDA normalization is a live issue in every labor-heavy Florida deal, and the deal counsel who understands the NCCI Rule 3-A analysis wins the argument on that point. For a broader treatment of seller-versus-buyer term dynamics in Florida deals, see the discussion at seller-friendly-vs-buyer-friendly-deal-terms.

The reserve-development question that changes the calculus

The other doctrinal wrinkle that catches buyers in labor-heavy Florida deals is the reserve-development question. NCCI’s mod calculation uses the carrier’s booked reserves as of the valuation date, not the ultimate paid losses. That means an open claim that the carrier has reserved at $250,000 is contributing $250,000 to the mod calculation, whether or not the claim ultimately settles for a fraction of that reserve. Sophisticated buy-side diligence looks at open-claim reserves in absolute dollars, in relation to the type of claim, and in relation to the reserve-adjustment history — a carrier that has been quietly raising reserves on a specific claim across three consecutive valuations is telling the market something.

Where the target has one or two large open claims driving the mod, an experienced buyer’s insurance advisor will sometimes push the seller’s broker to request a mid-year mod recalculation from NCCI if the claim actually settles for less than the reserve during the diligence period. A mid-year mod adjustment on a favorable settlement can move the buyer’s post-closing renewal quote meaningfully, and the deal counsel who identifies the opportunity captures the value for the buyer at closing rather than at the next annual renewal.

The self-insurance and captive alternatives

For larger Florida targets — payrolls above the $5 million range — the mod-inheritance analysis intersects with the option to move the acquired operation into a self-insured or captive-insurance structure post-closing. Florida authorizes individual self-insurance under § 440.38 and group self-insurance funds under § 624.4621. A buyer with an existing captive can sometimes absorb the target’s payroll and blunt the impact of an inherited debit mod. This is not a small-deal move — it requires an in-place captive and a payroll base large enough to justify the fixed costs — but for a Florida platform building a labor-heavy roll-up strategy, the captive structure is the natural response to the mod-inheritance problem. For a broader treatment of Florida M&A structuring options, see the practice overview at montague.law/business-law/m-a-mergers-and-acquisitions.

Where NCCI’s official rulebook actually lives

NCCI’s Experience Rating Plan Manual and the class-code inventory are not free public documents in full — they are licensed products distributed through NCCI’s member-services portal at . A buyer’s insurance advisor will typically have access; the deal lawyer will not, and does not need it. The deal lawyer’s job is to know the doctrinal frame — Rule 3-A combines the experience, the mod travels with the operation, the ninety-day diligence window is the right time to pull the worksheet — and to translate the frame into a pricing negotiation the client can win.

The workers-comp diligence workstream in a Florida asset deal is not the most visible one. It sits below the tax-structuring workstream, below the customer-contract-assignment workstream, below the environmental workstream. But in a labor-heavy deal, it is the workstream where the buyer most often gives up two to five percent of purchase price without noticing. The buyers who catch it at LOI keep the money. The buyers who catch it at renewal do not.

If you are buying or selling a Florida labor-heavy business — landscaping, HVAC, restoration, roofing, staffing, tree services — and you want a second read on the NCCI experience mod, the Rule 3-A ownership-change analysis, or the EBITDA normalization for the insurance line item, feel free to reach out to my firm manager, Magda, at Magda@montague.law, or fill out our contact form. Mention you read this post.

— John