To insure several companies under one holding company, list every legal entity on each policy that should protect it, and decide whether they share one program or keep separate policies. Never assume a newly acquired company is covered automatically. Watch shared limits and combined loss history, because one company's claims can affect the others. As you grow, revisit the structure, since scale can open options like larger deductibles and group programs. This guide is for holding company operators and roll-up builders adding their second, third or tenth company.
The short answer
- Name every legal entity on each policy that should protect it. A standard general liability form does not pick up an unlisted limited liability company (LLC).
- One combined program can lower cost and paperwork, but the companies then share limits and loss history. Separate policies keep them apart, often at a higher total cost.
- Automatic coverage for a newly acquired company is limited and varies by policy. Arrange to add each company effective at closing where you can.
- In states that follow NCCI rules, companies with more than 50 percent common ownership generally share one workers' comp experience mod, whatever the policy structure.
How should a holding company list its companies on the policies?
The named insured section decides who a policy protects. Getting it right is the foundation for everything else.
- Pick the first named insured deliberately. Under standard policy conditions from the Insurance Services Office (ISO), the first named insured pays the premium, receives any return premium and receives cancellation notices. For a combined program this is usually the holding company or the main operating company.
- List every legal entity by its exact legal name. The standard ISO general liability form says no one is an insured for the conduct of a partnership, joint venture or LLC that is not shown as a named insured in the declarations. Many add-ons, and many acquisition vehicles, are LLCs, so an unlisted one can fall outside the policy.
- Match contracts to entities. Customers and landlords usually contract with a specific company and expect that company to be insured and named on certificates.
- Do not forget the holding company itself. If it has employees, an office, a board or outside investors, it has exposures of its own, often including management liability.
For the common mistakes, see wrong named insured after an acquisition and the glossary entry on named insureds.
Should each company have its own policies or share one program?
There is no universal answer. A combined program tends to suit similar companies run as one group; separate policies tend to suit very different businesses or companies you may sell on their own. Here is the summary; the full comparison is in one insurance program vs separate policies per company.
| Factor | One combined program | Separate policies per company |
|---|---|---|
| Cost and paperwork | Often lower total premium, one renewal, fewer minimum premiums | More policies, more renewals, a minimum premium on each |
| Limits | Shared aggregate limits unless endorsed per location or project | Each company has its own limits |
| Loss history | Pooled; one company's claims affect pricing for all | Kept apart for most lines, though workers' comp mods may still combine |
| Selling one company later | The company must be carved out at sale | Simpler to hand over |
| Fit across industries | Works best when operations are similar | Better when risks differ sharply |
| Contract requirements | Still has to meet each company's contracts | Tailored per company |
Many groups end up with a hybrid: umbrella, management liability and cyber bought for the whole group, while higher-hazard companies, or those likely to be sold, keep their own general liability, auto or workers' comp. See consolidating insurance across add-on acquisitions.
Is a newly acquired company covered automatically?
Sometimes, briefly, and not on every policy. Automatic provisions are a stopgap to give you time to add the company properly, not a substitute for doing it. Here is how three of the main lines generally work:
| Policy | What many forms do | What to check |
|---|---|---|
| General liability (standard ISO form) | Adds a newly acquired or formed company as a named insured for up to 90 days, or until the policy ends if sooner. Only if you own it or hold a majority interest, it is not an LLC, partnership or joint venture, and no other similar insurance applies. Never covers injury or damage before the acquisition. | Your carrier's wording, which can be broader or narrower; the target's entity type; your renewal date |
| Commercial auto (standard ISO form) | The standard form has no automatic coverage for a newly acquired company. A broad named insured endorsement can help. Whether new vehicles are covered depends on how the policy defines covered autos, and some policies require you to report a new vehicle within 30 days | Endorsements, the vehicle schedule and who holds title |
| Directors and officers (D&O) and management liability | Many policies cover smaller acquisitions automatically; larger ones must be reported and may cost extra premium. Some forms limit coverage to acts after the acquisition, so check whether the subsidiary's earlier acts are covered | Size thresholds, notice windows and prior acts |
Umbrellas, business owner's policies (BOPs), claims-made policies and workers' comp each handle it differently; the line-by-line table is in adding a newly acquired company to your existing policies.
In a stock purchase where the target keeps its own policies, the "no other similar insurance" condition generally means the target's own general liability responds instead. Either way, ask your broker to add the company effective at closing.
How does one company's loss history affect the others?
Underwriters price a group on its combined experience. A company with a poor loss record can raise the price of a shared program for everyone, and a clean one can help.
Workers' compensation has a specific rule. In states that use National Council on Compensation Insurance (NCCI) rules, and in several states with their own rating bureaus, such as New York, Minnesota and Pennsylvania, businesses with more than 50 percent common ownership are combined into a single experience mod. That happens whether or not they share a policy. The acquired company's history usually comes with it: in NCCI states, the seller's experience generally transfers to the buyer even in an asset purchase. The rating organization, not your insurer or broker, decides how the combination works.
Practical steps:
- Pull loss runs and the mod worksheet for every target during diligence, and ask how combining it would affect the group.
- Report each ownership change to your workers' comp insurer; the policy generally requires notice within 90 days.
- Bring safety and claims practices at new companies up to your group standard quickly.
See how to check your experience mod for errors and experience modification rate.
What is the risk of sharing limits across companies?
On a combined general liability policy, every named insured usually draws on the same general aggregate limit, the most the policy pays in a policy year. Products and completed operations have their own aggregate, which is also shared. An umbrella over the group is shared too.
A hypothetical example. A holding company insures three companies on one general liability policy with a $1 million each-occurrence limit and a $2 million general aggregate. By March, two large claims at the first company have used $1.5 million. For the rest of the policy year, all three companies share the $500,000 left, even though the second and third had no claims. If either signs a contract requiring $2 million of available limits, it may not truly have them. The same goes for a loan covenant that assumes each company carries its own limits.
Ways to manage it:
- Ask for per-location or per-project aggregate endorsements where they fit.
- Buy umbrella limits sized for the whole group, not one company.
- Write the highest-hazard company on its own policies.
- Track claims across the group, so a large loss at one company prompts a limits review for the others.
- Ask whether the combined policy carries a cross suits exclusion, which can remove coverage when one of your companies brings a claim against another, for example under a subcontract between them.
The difference between occurrence limits and aggregates is explained in general aggregate vs per occurrence.
When does a roll-up get big enough for new options?
As premium and payroll grow, options that were not worth it for one small company start to make sense:
- Larger deductibles or self-insured retentions, where the group pays smaller losses itself in exchange for lower premium. For workers' comp, self-insuring is allowed only where state law permits it and requires state approval, so large deductible programs are the more common route. See deductible vs self-insured retention.
- Loss-sensitive programs, where final cost moves with the group's own claims.
- Group captives and association programs. A group captive is an insurer owned by a group of member businesses and covering their risks. Entry requirements are usually set by each program's sponsor, often based on annual premium, loss history and the lines you buy, so ask the sponsor rather than assuming a size cutoff. Risk retention groups can provide liability coverage to members, but federal law does not let them write workers' comp.
- A dedicated risk function, even part time, measuring total cost of risk across the group.
Captives raise tax questions. Some small captives elect special federal tax treatment, and the Internal Revenue Service (IRS) treats certain small captive arrangements as reportable transactions. Bring in a tax advisor before you commit. See group captives and association programs and total cost of risk for small holding companies.
What should you check before each add-on closes?
Use this checklist on every deal, not just the first one:
- Confirm the deal structure (stock or asset) and the target's entity type, because both decide what happens to its policies.
- Collect the target's policies, endorsements, loss runs, mod worksheet and contracts with insurance clauses.
- Decide whether the company joins the group program or keeps separate policies, and for which lines.
- Have the company added as a named insured, effective at closing, on every policy that should protect it, and get it in writing.
- Check workers' comp state by state. Ohio, Washington, North Dakota and Wyoming sell it only through a state fund, and those policies generally leave out employers liability, which is added separately as stop gap coverage.
- Report the ownership change to your workers' comp insurer within the policy's notice period.
- Check claims-made policies for change in control terms, tails and retroactive dates.
- Update lender evidence and reissue certificates in the right entity's name.
- Update your board or investor insurance summary.
For renewal alignment, tails and open claims after closing, follow the add-on consolidation playbook.
For the first year after any acquisition, your first 90 days of insurance sets out the timeline. Morrow can review a target's policies before closing, flag gaps and request quotes to add it to your program.
Keep reading
- One Insurance Program vs Separate Policies per Company
- Adding a Newly Acquired Company to Your Existing Policies
- Consolidating Insurance Across Add-On Acquisitions
- Group Captives and Association Programs: When Is a Roll-Up Big Enough?
- Insurance for Search Funds: The Complete Guide
- All guides for new business owners
Frequently asked questions
Which company should be listed first on a combined policy?
The first named insured (the company listed first) pays the premium, receives refunds and gets cancellation notices, so on a combined program it is often the holding company. But it depends on how you run the group and what your lenders and contracts expect, so decide it with your broker and counsel.
Is an add-on covered under my policies the day we close?
Not reliably. The standard general liability form gives limited automatic coverage, but not to LLCs, partnerships or joint ventures, only where you hold a majority interest, and only for up to 90 days or until the policy ends. Auto, umbrella and management liability policies have their own rules. Add the company as a named insured effective at closing.
Will putting our companies on one program lower our premium?
It often lowers total cost and paperwork, but no carrier promises it. The trade-off is that the companies share limits and loss history, so one company's claims can raise the price for all.
Do workers' comp mods combine across our companies?
Generally yes, if the same owner holds more than 50 percent of each company and they are in states that follow NCCI rules or similar rules from a state rating bureau. The rating organization decides, and it applies even if the companies have separate policies.
How big does a roll-up need to be for a group captive?
Morrow is not aware of a regulatory minimum that applies everywhere. Each group captive or association program sets its own entry requirements, often based on premium and loss history. A broker who works with these programs and a tax advisor can tell you whether yours qualifies and whether it makes sense.
References
- ISO: Commercial General Liability Coverage Form, CG 00 01 12 07 (carrier-hosted copy)
- ISO: Newly Acquired Organizations endorsement, BP 04 54 01 06 (carrier-hosted copy)
- ISO: Business Auto Coverage Form, CA 00 01 10 13 (carrier-hosted copy)
- ISO: Common Policy Conditions, IL 00 17 11 98 (carrier-hosted copy)
- IRMI: Broad form named insured endorsement (definition)
- NCCI Item E-1411, Experience Rating Plan Manual (Texas filing)
- NAIC: Captive Insurance Companies
- NAIC: Risk Retention Groups
- Cornell LII: 15 U.S.C. 3901, Liability Risk Retention Act definitions
- Journal of Accountancy: District court upholds final microcaptive reporting regulations (July 2026)
Just bought a business? Get your insurance reviewed.
Send Morrow the declarations pages, loss runs and key contracts you inherited. Morrow can review them against the business you bought, flag gaps and request quotes where it makes sense. Any new terms depend on carrier underwriting.
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This article is general information, not legal, tax or financial advice, and not a coverage determination. Coverage depends on the actual policy wording, carrier underwriting, your purchase agreement and your contracts. Ask your attorney and accountant about deal and legal questions.