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Commercial · July 2, 2026 · 5 min read

Commercial Auto Insurance in Michigan: What Business Owners Miss

If your business owns, leases, or even borrows vehicles in Michigan, commercial auto is one of the easiest policies to get wrong — and one of the most expensive to get wrong. Here’s what Metro Detroit owners miss, and how the state’s no-fault rules change the math.

Your personal auto policy won’t save you

The moment a vehicle becomes part of how you make money, your personal auto policy starts backing away. Most personal policies exclude — or sharply limit — business use. If you or an employee cause an accident while driving for work, the claim can be denied outright, leaving your business to cover the damage, the injuries, and the lawsuit.

Commercial auto exists for exactly that exposure. It covers the vehicles you own, lease, rent, or borrow for the business, and the people who get behind the wheel.

Michigan’s no-fault reform changed the rules — for businesses too

Michigan overhauled its no-fault system in 2019. The headline change: drivers now choose their level of PIP (Personal Injury Protection) medical coverage, from a capped amount all the way up to unlimited. That choice doesn’t stop at your personal car — it applies to the commercial vehicles you register in Michigan.

Pick a level without thinking it through and you land in one of two bad spots: paying for far more coverage than you need, or leaving a driver dangerously exposed if they’re seriously hurt on the job. It deserves a deliberate decision — not whatever the last policy defaulted you into.

The coverage businesses forget: hired & non-owned auto

Here’s the gap that catches owners off guard. Say an employee runs to the bank, grabs supplies, or drives to a client meeting — in their own car. Or you rent a truck for a busy week. You don’t own those vehicles, so you assume they aren’t your problem. They are.

If that driver causes a serious accident on company time, your business can be pulled into the lawsuit. Hired & non-owned auto coverage is built for precisely this — and it’s inexpensive, which makes it all the more frustrating how often it gets left off.

What a real commercial auto policy includes

A commercial auto program is more than a single liability limit. A well-built one usually pulls together:

  • Liability — the bodily injury and property damage you cause to others.
  • Physical damage — collision and comprehensive on your own vehicles.
  • Michigan PIP — the medical coverage tied to the no-fault choice above.
  • Uninsured / underinsured motorist — protection when the at-fault driver has too little coverage, or none.
  • Hired & non-owned auto — the rented-and-borrowed gap most owners miss.
  • Medical payments — and, for some, cargo or motor-carrier filings depending on what you haul and whether you drive for hire.

Who actually needs it in Michigan

More businesses than realize it. If any of these sound like you, commercial auto belongs on the list:

  • Contractors and trades with trucks, trailers, and equipment on the move
  • Delivery, courier, and any operation putting miles on for customers
  • Sales and service teams driving to clients — even in their own cars
  • Any company that owns or leases even a single vehicle in the business name
  • Businesses whose employees ever drive for work

The bottom line

Michigan’s state-minimum limits and a personal auto policy leave gaps a single accident can blow wide open. The fix isn’t complicated: a real look at how your vehicles are actually used, the right PIP decision for your operation, and coverage matched to a carrier that fits.

See how Domham builds commercial insurance programs for Michigan businesses — or, if you run a fleet or medical transport, our transportation & NEMT coverage.

Where Protection Meets Strategy

Not sure your commercial auto keeps up with how you actually operate?

Send us your current policy — we’ll flag the gaps, sanity-check your Michigan PIP choice, and shop A-rated carriers if it makes sense. No obligation, no pressure.