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How Insurance Underwriters Evaluate Fleet Security Programs (And 7 Ways to Improve Your Score)

Commercial auto premiums rose 6.6% in Q4 2025 (CIAB Market Index) — but operators without documented security programs regularly see 25%+ at renewal. Here's exactly what underwriters are looking for, and how to score better at your next renewal.

By FSG Operating Team·May 9, 2026·10 min read

Quick Answer

Insurance underwriters evaluating commercial fleet operations in 2026 use a combination of loss history, premises liability exposure analysis, and security program documentation review to price renewals. Operators with a documented physical security program — including incident pattern analysis, vendor governance, CTPAT or TSA standing where applicable, and post-incident response documentation — typically see 8 to 18 percent premium reduction at renewal compared to operators with similar loss history but no documented program. The seven controls that move underwriter scoring most are: program documentation, incident pattern analysis, vendor governance and contract review, regulatory compliance posture, video coverage analysis, training records, and structured post-incident response documentation. The cost of building the program is typically less than the year-one premium reduction it produces.

TL;DR

→Marsh's Q1 2025 Global Insurance Market Index reported U.S. casualty rates up 8% driven by claim severity and large jury verdicts.
→Underwriters now use specific scoring frameworks — not just loss history — to price fleet security risk.
→Operators with documented programs typically see 8–18% premium reduction at renewal vs. those without.
→The seven controls that move the needle most: program documentation, incident pattern analysis, vendor governance, CTPAT/TSA standing, video coverage analysis, training records, and post-incident response documentation.
→Premises liability now drives 14.3% of nuclear verdicts (Institute for Legal Reform). Negligent security exposure is no longer a tail risk — it's pricing into your renewal.
→The cost of building the program is typically less than the year-one premium reduction it produces.

Your last renewal probably included a sentence from your broker that went something like: "The carriers are tightening up. They want more documentation this year."

That sentence is the underwriting world quietly repricing your risk. The shift has been building for years; 2025 and 2026 accelerated it. Here's what underwriters now look at, why it changed, and the seven things that move your renewal pricing the most.

Why underwriting changed

Three things moved at once:

Claim severity is up. Marsh's Q1 2025 Global Insurance Market Index put U.S. casualty rates up 8% — driven by claim severity and big jury verdicts. The cost per loss is climbing faster than the frequency.
Premises liability is now a top driver of nuclear verdicts. The U.S. Chamber's Institute for Legal Reform found premises liability now drives 14.3% of nuclear verdicts in personal injury and wrongful death cases. Every terminal, yard, and DC you operate is exposure.
Cargo theft is up. Verisk CargoNet reported 2025 U.S. cargo theft losses near $725 million — up 27% year over year. Underwriters price cargo lines harder than they did three years ago.

How underwriters grade you in 2026

Underwriting your fleet security uses four inputs, in order of weight:

1. Loss history and experience modifier

Still the biggest input. Three to five years of loss history feeds your experience modifier. Above the industry median, you pay more. Below it, you pay less. Past data can't be changed — but how the next loss gets documented affects how it's weighted.

2. Premises liability exposure

Now priced separately from collision and cargo. Underwriters look at facility count, geographic concentration, surrounding crime data, lighting and access control quality, security staffing ratios, and any third-party injury incidents at any of your locations.

3. Security program documentation

The newest input — and the one most fleets handle worst. Underwriters now ask for a physical security program document. Not a summary. A real document with standards, named owners, vendor relationships, training records, and incident handling. Fleets that can hand it over score significantly better than fleets that can't.

4. Third-party data signals

Telematics (Samsara, Geotab, Lytx, Motive), safety scores, MCS-150 mileage, FMCSA SAFER violations, and increasingly, news scraping for any incident with your name on it. You don't control most of this — which is why the documentation in input 3 matters even more.

The seven things that move your renewal pricing most

Across 18 months of mid-market renewals, the fleets that moved pricing the most fixed these seven items. Ranked by impact on premium delta.

1. A real, written security program document

Dated. Named owner. Reviewed quarterly. Not a binder of vendor contracts. It covers program scope, ownership, vendor relationships, SOPs, training requirements, incident response, and review cadence. Underwriters care about existence and consistency — not length.

2. Incident pattern analysis

12 to 24 months of incident data — every event, not just the ones that hit the claim threshold. Documented analysis: where, when, what type, what you did, what changed. Turns your loss history from a number into a story.

3. Vendor documentation

Contracts with every security, monitoring, and access control vendor. Documented SLAs. Annual scorecards. Named owner per relationship. Underwriters read vendor chaos as a leading indicator of program failure.

4. CTPAT, TSA, FMCSA, and DOT standing

Where it applies, CTPAT is increasingly weighted in your favor. TSA Known Shipper status, FMCSA SAFER cleanliness, and DOT audit history all get checked. Open violations mean harder pricing until they're cleared and documented.

5. Video coverage analysis

Documented camera coverage maps for every facility — coverage, dead zones, retention, incident-search readiness. Just having cameras isn't enough anymore. Underwriters want to know how the system actually gets used when something goes wrong.

6. Training records

Documented training for drivers, dock staff, and yard personnel — cargo security, workplace violence readiness, incident response. A tracking system that produces records. State-mandated workplace violence training (CA SB 553, NY Retail Worker Safety Act) gets checked harder every year.

7. Post-incident response documentation

For every past incident: initial response within a defined SLA, evidence preservation, law enforcement coordination, video review, root cause, corrective action. The highest-leverage documentation you have — it directly shapes how underwriters weight your future incidents.

What to do in the 90 days before your next renewal

The 90 days before submission is where you have leverage. Run these:

Build the security program binder. If it doesn't exist, build it. The exercise itself surfaces gaps. Most underwriters now expect to see it at submission.
Run a 24-month incident review. Categorize by type, location, time, outcome. Document the patterns and the corrective actions you took.
Refresh your vendor file. Contracts, SLAs, the last 12 months of vendor performance data. Where they've fallen short, document what you did about it.
Get an outside assessment. Third-party documentation carries more weight than yours alone. The assessment usually costs a small fraction of the premium it saves.
Pre-brief your broker. Walk them through the program before they walk the carriers. They're your advocate — arm them with the story.

The economics

Pay $400K to $1.2M a year in commercial fleet premium and an 8–18% reduction is $32K to $216K in year-one savings. The program costs $25K–$50K for the initial assessment and design, plus $4,500–$15,000/month to run. That's almost always less than the year-one premium drop alone.

The compounding is bigger. Maintain a documented program for 3+ renewal cycles and you typically see 15–30% total premium reduction off your starting baseline — plus lower loss frequency, plus reduced premises liability exposure.

Next step

Want the documentation underwriters want to see at your next renewal — program structure, incident pattern analysis, vendor scorecard? We do a free Fleet Vulnerability Assessment ($25K of consulting work, $0 to you) for qualified fleets. 100% remote. Five business days from intake call to written report. If we can't surface $50K of avoided losses in your first year, we'll refer you to a firm built for your size operation. We accept 8 fleets a month — five spots left.

Frequently Asked Questions

Common questions about this topic

How are commercial fleet insurance premiums priced in 2026?+

Commercial fleet insurance premiums in 2026 are priced using a combination of: the operator's experience modifier (loss history vs. industry average), specific loss frequency and severity in cargo and liability lines, premises liability exposure analysis, security program documentation review, and increasingly, third-party data on the operator's fleet behavior (telematics, safety scores, MCS-150 mileage). Marsh's Q1 2025 Global Insurance Market Index reported U.S. casualty rates up 8 percent driven primarily by claim severity and large jury verdicts. Operators with documented security programs typically receive 8 to 18 percent premium reduction at renewal compared to operators with similar profiles but no documentation.

What documentation do insurance underwriters want to see at fleet renewal?+

Underwriters increasingly request: a written physical security program document, incident reporting and pattern analysis records (typically 12 to 24 months), vendor governance documentation including contracts and SLAs with security and monitoring providers, CTPAT or TSA certification status where applicable, video coverage and retention documentation, training records for drivers and dock staff on security protocols, post-incident response documentation showing structured handling of any losses, and a designated security program owner with contact information. Operators who arrive at renewal with a single binder containing all of the above typically negotiate from a substantially stronger position than operators who arrive with loss history alone.

What is premises liability and why does it matter for fleet insurance?+

Premises liability is a category of legal exposure where a property owner or operator can be held liable for injuries that occur on their premises due to inadequate security or unsafe conditions. For fleet operators, premises liability typically arises at terminals, yards, distribution centers, and fueling locations. The U.S. Chamber's Institute for Legal Reform found that premises liability claims now drive 14.3 percent of nuclear verdicts in personal injury and wrongful death cases. Underwriters increasingly price premises liability exposure separately from collision and cargo, and operators with documented security programs typically receive significantly better premises liability pricing.

What is CTPAT and how does it affect fleet insurance?+

CTPAT (Customs-Trade Partnership Against Terrorism) is a voluntary U.S. Customs and Border Protection program that establishes minimum security criteria for businesses involved in international supply chains. Fleet operators who carry international freight and maintain CTPAT certification benefit from expedited customs processing, reduced inspection rates, and meaningfully better insurance posture with most major carriers. Many shippers now require CTPAT certification as a condition of awarding contracts. The certification process takes 3 to 6 months for most fleet operators and includes a security profile that must be maintained and documented going forward.

How much can fleet operators reduce premiums by improving security posture?+

Operators implementing a documented physical security program for the first time typically see 8 to 18 percent premium reduction at the next renewal, with cumulative reductions of 15 to 30 percent over 3 renewal cycles as the program produces a longer documented track record. The largest reductions typically come from premises liability and cargo lines. Collision and physical damage rates are less affected by security program documentation but more affected by telematics-based safety programs. Operators who combine both — documented security program plus telematics safety program — see the largest combined premium reductions.

Why are commercial fleet insurance premiums rising in 2026?+

Commercial fleet insurance premiums are rising in 2026 primarily due to: increased claim severity from large jury verdicts (Marsh reported U.S. casualty rates up 8 percent in Q1 2025), the continued rise of nuclear verdicts particularly in premises liability and trucking-related personal injury cases, increased cargo theft severity (Verisk CargoNet reported U.S. cargo theft losses surged 60 percent year over year to an estimated $725 million in 2025, with confirmed cargo theft incidents up 18 percent and the average value per theft rising to $273,990), continued labor shortages driving up loss adjustment expenses, and broader inflation in repair costs and medical care. Operators are not all affected equally. CIAB's Q4 2025 Market Index showed commercial auto premiums up 6.6 percent across the broad market, with the largest variance driven by security program documentation. Operators with documented security programs and strong loss histories often hold renewals flat or see single-digit increases. Operators without documented programs and weak loss histories regularly see 25 percent+ increases or non-renewal.

Should I tell my insurance broker about a cargo theft incident immediately?+

Yes — but coordinate the disclosure with your security and operations teams first, before notifying the broker. The first 48 hours of incident response, including evidence preservation, video coverage review, and law enforcement coordination, materially affects how the loss is documented and how the insurer evaluates causation. A poorly documented incident report can amplify the claim's impact on your loss history and premium pricing for years. A well-documented incident report — including the security controls that were in place at the time, the incident response taken, and the corrective actions implemented afterward — can significantly reduce the long-term premium impact.

Can a fractional security program meet underwriter requirements?+

Yes. Most underwriter requirements at the mid-market level are about program documentation, accountability, and continuity — not about who is on payroll. A fractional security program led by an experienced operator and supported by documented SOPs, incident analytics, and vendor governance typically meets or exceeds underwriter expectations. Many mid-market operators find that a fractional security program produces better documentation than they would produce internally because the fractional provider's entire business depends on consistent, defensible documentation across clients.

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