Protect Your Business: Essential Commercial Auto Coverage Explained

September 29, 2025

Author:

Jon Sevigney

man loading up the back of a delivery van

Blog Content

September 29, 2025

Jon Sevigney

Why Your Business Vehicles Need Proper Liability Protection

Business auto liability coverage protects your company from financial losses if your business vehicles cause injuries or property damage to others. It's different from personal auto insurance and legally required for most commercial vehicle operations in Maine.

Key Components of Business Auto Liability Coverage:

  • Bodily Injury Liability - Covers medical bills, lost wages, and legal fees if you injure someone
  • Property Damage Liability - Pays to repair other vehicles or property you damage
  • Legal Defense - Covers legal defense costs if you're sued
  • Coverage Limits - Available as split limits (e.g., $50k/$100k/$25k) or Combined Single Limits ($500k-$1M)

For businesses in Wells, Kennebunk, or anywhere in Southern Maine, a personal auto policy likely excludes business use, creating a dangerous gap that puts company assets at risk.

If your delivery van rear-ends a car on Route 1 or your work truck damages a client's fence in Biddeford, business auto liability coverage protects you. Without it, lawsuits could threaten everything you've built.

Many small business owners mistakenly believe their personal policies cover business activities, leaving them unprotected.

Infographic showing the key differences between personal auto liability coverage and business auto liability coverage, including coverage exclusions for business use in personal policies, higher liability limits available in commercial policies, coverage for employee drivers, and protection for hired and non-owned vehicles used for business purposes - Business auto liability coverage infographic 4_facts_emoji_blue

What is Business Auto Liability Coverage and Who Needs It?

of various commercial vehicles (pickup truck, cargo van, sedan) lined up in a parking lot - Business auto liability coverage

For any Maine business with vehicles on the road, business auto liability coverage is a financial safety net. It can prevent a simple accident from turning into a devastating lawsuit.

If your delivery van slides into another car on Route 1 or your work truck backs into a customer's fence in Wells, this coverage handles the costs. Without it, you're personally on the hook.

Defining Business Auto Liability Coverage

Business auto liability is third-party protection. It covers others when your business vehicles cause accidents, not you or your own vehicle.

The coverage has two main parts. Bodily injury liability covers medical bills, lost wages, and pain and suffering for those injured by your business vehicle. Property damage liability pays to repair or replace other people's property, like cars, buildings, or fences.

Crucially, this coverage also handles legal defense costs. If you're sued after an accident, it covers attorney fees and court costs, which can be substantial even if you're not at fault.

Essentially, it acts as a business asset shield, protecting your company's finances and property from being seized to pay for damages.

Who Needs This Essential Coverage?

Any Maine business using vehicles for work needs this protection. If a vehicle helps you make money, whether in Biddeford or Ogunquit, you need coverage.

Contractors, such as plumbers, electricians, and general contractors, are prime candidates. Their work vehicles are essential. We offer a detailed guide on Commercial Auto Insurance for Contractor for more specific information.

Landscapers and maintenance services also need this protection. Their trucks and vans are constantly on Maine's roads, and one accident could be devastating without proper coverage.

Delivery services, sales professionals, and real estate agents using vehicles for work also need this coverage. If you're delivering goods in Kennebunk or visiting clients, your vehicles are a constant source of risk.

Any business that owns, leases, or rents vehicles for work purposes is at risk and needs to consider this coverage.

Personal vs. Commercial Auto Policies

Many business owners mistakenly assume their personal auto insurance covers business use. It doesn't, and finding this after an accident can be a nightmare.

Personal policies have coverage exclusions for business use. If you make a delivery or visit a client, your claim could be denied.

The business use definition is broad. Using any vehicle for business operations—a company car, a rental, or an employee's personal vehicle for an errand—qualifies as business use.

Commercial vehicles face higher risk levels due to more miles, heavier loads, and multiple drivers. This leads to more accidents and larger claims, which is why commercial policies offer higher liability limits.

With employee drivers, liability extends to your company. Personal policies can't handle this, but Maine business auto liability coverage is designed for it.

Hired and Non-Owned Auto Coverage

Even if your business owns no vehicles, you may need hired and non-owned auto coverage. This detail can save your business.

If an employee uses their employee personal vehicles for work and has an accident, your business could be liable. If their personal policy denies the claim or its limits are exhausted, your business is next in line to pay.

Rented or leased vehicles create another gap. Hired auto coverage protects you when your business rents vehicles for projects or travel and an accident occurs.

This coverage acts as a safety net, closing coverage gaps and working as excess insurance when other policies are insufficient or don't apply.

Understanding Your Coverage: What's Included and What's Not

illustrating a covered accident scenario, like a company van rear-ending another car - Business auto liability coverage

Imagine your delivery van rear-ends a car on Route 1 in Wells. The other driver is injured, their car is totaled, and a mailbox is damaged. What happens next can make or break your business.

This is when business auto liability coverage proves its worth. Understanding what it covers and excludes helps you protect your Maine business.

What Damages Does Business Auto Liability Insurance Cover?

When your business vehicle causes an accident, this coverage handles the financial fallout for those you've harmed.

Medical expenses are a top priority. Coverage pays for hospital bills, doctor visits, physical therapy, and prescriptions. In serious cases, it can include long-term rehabilitation.

Lost wages are also covered. If someone can't work due to injuries from the accident, the coverage compensates their missed income.

Pain and suffering compensation addresses the physical and emotional distress of injured parties. These awards can be substantial in severe accidents.

Property damage coverage pays to repair or replace other vehicles, but it also covers damage to property like a fence in Kennebunk or a building in Biddeford.

Supplementary payments add significant value, covering bail bonds, court costs, and legal defense costs, even if you're not found liable. Having an experienced attorney can make all the difference.

Common Exclusions to Be Aware Of

While comprehensive, business auto liability coverage has clear boundaries. Knowing them helps avoid surprises.

Damage to your own vehicle isn't covered by liability. For that, you need separate collision and comprehensive coverage, which also handles theft or weather damage.

Damage to your cargo is another exclusion. Your tools or products aren't protected by auto liability. You'll need inland marine or commercial property insurance to cover them.

Employee injuries are covered by workers' compensation, not auto liability. If your driver is hurt, their medical bills and lost wages are handled by your workers' comp policy.

Intentional acts, like road rage or deliberate damage, are not covered. Insurance is for accidents, not criminal behavior.

Most pollution events are excluded. A small fuel spill from a crash might be covered, but larger cleanups usually require separate pollution liability insurance.

Contractual liability can create gaps. If you agree in a contract to take on another party's liability, your auto policy may not cover it without a special endorsement.

Understanding these exclusions helps you make informed decisions. We help businesses in Wells, Kennebunk, and Ogunquit identify these gaps and find the right coverages for complete protection.

Deciphering Policy Limits: Split vs. Combined Single Limits (CSL)

When shopping for business auto liability coverage in Maine, you'll find different policy structures. How your limits work is critical for protection when an accident happens in Kennebunk or on Route 1.

Policy limits are a financial fortress for your business. Let's break down the two main approaches so you can choose wisely.

Split Limits Explained

Split limits divide your liability coverage into three separate buckets, each with a maximum payout.

The per-person limit covers bodily injuries for one individual in an accident. If your truck injures someone in Wells, this is the maximum your policy pays for that person's costs.

The per-accident limit is the total available for all bodily injuries in one accident, which is crucial in multi-passenger incidents.

The property damage limit covers costs to repair or replace other people's property damaged by your vehicle.

You'll see these limits written as three numbers, like $50,000/$100,000/$25,000, representing the per-person injury, total injury per accident, and property damage limits, respectively.

Split limits can create potential coverage gaps. If medical bills are $75,000 but your per-person limit is $50,000, your business pays the $25,000 difference. With rising medical costs in Maine, these gaps are risky.

Combined Single Limit (CSL) Explained

A Combined Single Limit (CSL) is a simpler, more reassuring approach. You get one single total limit to cover everything in an accident, rather than three separate ones.

This per-accident limit offers maximum flexibility. The full limit can be allocated between medical bills and property damage as needed.

Common CSL amounts are $500,000 to $1,000,000 or more. With a $1M CSL, if your Ogunquit business causes an accident with $700k in medical costs and $200k in property damage, you're fully covered. The funds are allocated as needed up to the total limit.

This broader protection has a slightly higher premium, but the peace of mind is often worth it. For a business in Biddeford, that flexibility can be a lifesaver.

[TABLE] comparing Split Limits vs. Combined Single Limit (CSL)

Feature Split Limits Combined Single Limit (CSL)
Coverage Structure Three separate limits: per-person BI, per-accident BI, per-accident PD. One single limit that applies to both BI and PD per accident.
Payout Flexibility Less flexible; each component has a hard cap. If one limit is exceeded, you pay the difference. Highly flexible; the total limit can be allocated as needed between BI and PD.
Typical Use Case Common for personal auto; minimum state requirements often use this structure. Preferred for commercial auto due to higher potential damages and complex claims.
Cost Comparison Generally lower premiums for the same face value, but higher out-of-pocket risk. Generally higher premiums, but provides more comprehensive protection and less out-of-pocket risk.

The choice between split limits and CSL depends on your risk tolerance and budget. While split limits may be cheaper upfront, CSL offers better protection when needed. For most Maine businesses, especially those on busy coastal routes, the investment in CSL is worthwhile.

of a "Certificate of Insurance" document - Business auto liability coverage

Getting the right amount of business auto liability coverage is about protecting your business, following the law, and making smart financial decisions.

Maine law requires commercial vehicles to carry minimum liability insurance under its financial responsibility laws. This ensures businesses can cover basic costs after an accident.

However, meeting state-mandated minimums is not enough. They provide basic protection but won't shield your business from a serious claim.

The consequences of non-compliance include fines and penalties, suspended licenses, and legal trouble. The real danger, however, is an uninsured accident that could ruin your business.

We've seen Maine businesses ruined by cutting corners on insurance. A single accident can wipe out years of work, which is why minimums are not enough.

For detailed information about Maine's specific requirements and how they apply to your situation, check out our comprehensive guide on Maine Commercial Auto Insurance.

How to Determine the Right Amount of Coverage for Your Business

Determining your coverage amount requires an honest assessment of your risk and what you need to protect.

Start with your business assets. Your coverage should be high enough to protect them. If your company is worth $500,000, a $100,000 policy is dangerously inadequate.

Consider your vehicle types and usage. A landscaper's pickup in Wells has different risks than a contractor hauling heavy equipment from Kennebunk to Portland. Heavier vehicles and longer distances increase liability.

Many businesses need higher limits due to contractual requirements. Larger clients or government contracts often specify minimums, and missing them can cost you opportunities.

Industry standards also matter. Construction companies usually need higher limits than office-based businesses. We help businesses in Ogunquit and Biddeford find what's right for their industry.

Recommended limits often start at $500,000, with $1 million becoming common. However, these are just starting points; your needs depend on your specific situation.

A commercial umbrella policy is a valuable safety net. If your $1 million auto policy isn't enough for a $2 million lawsuit, the umbrella policy covers the extra $1 million. It's affordable protection that can save your business.

Work with an expert who understands Maine's legal and business realities. For a broader look, see our Maine Business Insurance Essential 2025 guide.

The right coverage isn't the cheapest policy; it's the right protection for your needs.

Frequently Asked Questions about Commercial Auto Liability

Business owners in Wells, Kennebunk, and Ogunquit often ask similar questions about business auto liability coverage. Here are answers to three common questions.

Does business auto liability cover employees using their own cars for work?

This question highlights a common coverage gap. Your standard policy covers vehicles your business owns, leases, or rents. But what if an employee uses their personal car for a work errand and causes an accident?

Your business could still be liable.

Hired and Non-Owned Auto (HNOA) coverage is the solution. The "non-owned" part protects your business when employees use personal vehicles for work. The employee's personal policy is primary, but it may deny the claim for business use or have insufficient limits.

Your HNOA coverage then acts as a backup, protecting your business's liability. Without it, a lawsuit could threaten your Maine business.

How is business auto liability different from general liability insurance?

This is a common question. Both policies protect against lawsuits, but they cover different types of risks.

Business auto liability coverage is for incidents involving your vehicles. If your truck hits a car in Kennebunk or your van damages a fence in Biddeford, auto liability applies.

General liability insurance covers other risks, like a customer slip-and-fall at your Wells store, non-vehicle property damage, advertising injury, or product liability.

In short: auto liability is for vehicles; general liability is for operations, premises, and products. Most Maine businesses need both for full protection. For more on general liability, see our Maine General Liability Insurance Quote page.

Does this policy cover tools or products stolen from my work truck?

Contractors in Southern Maine often ask this. Losing thousands of dollars in tools from a truck is a major concern.

Unfortunately, business auto liability coverage doesn't help. It's third-party protection, meaning it covers damage you cause to others, not your own property.

If tools are stolen from your truck in Ogunquit, you need different coverage. Commercial property insurance with inland marine coverage protects tools and equipment in transit or stored in vehicles.

Your auto liability policy will pay to fix the car you hit, but it won't replace your stolen tools.

The good news is we can help you build a complete package that covers both your liability and your valuable business property.

Conclusion: Secure Your Maine Business with the Right Protection

Understanding business auto liability coverage is about protecting what you've built. This guide covered the essentials, from what it covers to choosing the right limits for your Maine business.

Your personal auto policy won't protect your business, leaving a gap that could be financially devastating after an accident. Whether in Wells, Kennebunk, or Ogunquit, business auto liability coverage is your financial safety net.

Key benefits we've covered include protection against bodily injury, property damage, and legal defense costs. We've also shown why Combined Single Limits offer more flexibility and why Hired and Non-Owned Auto coverage is essential.

It's not just about meeting legal requirements; it's about protecting your livelihood. Proper coverage provides the peace of mind that your business can survive an unexpected accident.

At Sevigney-Lyons Insurance Agency, we offer local expertise. As an independent agency in Southern Maine, we understand our community's challenges. We work for you, not one insurance company, accessing over 20 carriers to find the right fit for your needs and budget.

We build relationships and provide custom solutions for businesses in Wells, Kennebunk, Ogunquit, and Southern Maine. When you work with us, you partner with neighbors who care about your success.

Don't leave your business vulnerable. Get a quote today and see how the right business auto liability coverage can protect your company's future.

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