Contractors & Vendors: Are You Taking on Hidden Liability?
You hire a contractor to make a quick repair. A vendor delivers equipment to your site. Everything seems routine… until something goes wrong. An injury. Property damage. A lawsuit. Suddenly, your business is pulled into a claim you never expected to own.
For many business owners, the most dangerous liabilities are not the ones they see coming. They are the ones quietly hiding in contracts, insurance certificates, and assumptions about who is responsible when things go sideways. If you work with contractors or vendors, understanding certificate management and contract language is not optional. It is essential risk management.
Below are three areas where hidden liability often lives, and what business owners should be paying attention to.

Assuming a Certificate of Insurance Automatically Protects You
A certificate of insurance is often treated like a box to check. The vendor sends it. You file it away. Problem solved. Unfortunately, that assumption can be costly.
A certificate is only evidence that a policy existed on the day it was issued. It does not guarantee coverage applies to your business, your location, or the work being performed. It also does not override the actual policy language.
For example, a contractor may provide a certificate showing general liability coverage, but their policy could exclude the type of work they are doing on your premises. Or the limits may be far lower than what your contract requires. In some cases, the policy may even be expired by the time a loss occurs.
Without proper certificate management, including verifying coverage details and tracking expiration dates, your business could end up paying for a claim you believed someone else’s insurance would handle.

Missing or Weak Additional Insured Language
Being listed as an additional insured on a contractor or vendor’s policy is one of the most effective ways to transfer risk. But not all additional insured endorsements are created equal.
Many business owners rely on generic wording or assume that being “listed” is enough. In reality, the endorsement must align with the contract language and provide coverage for both ongoing and completed operations.
Consider this scenario. A vendor completes work at your facility. Months later, a customer is injured due to that work. If the additional insured endorsement only applies to ongoing operations, your business may not be covered once the work is complete.
Strong contract language and properly reviewed certificates help ensure that additional insured status actually provides protection when it matters most, not just on paper.

Contracts That Shift Risk Back Onto Your Business
Contracts are often signed quickly, especially with long-term vendors or familiar contractors. But buried language can quietly push liability back onto your business without you realizing it.
Indemnification clauses, hold harmless agreements, and insurance requirements must work together. If they do not, you may think you have transferred risk when you have actually retained it.
For example, a contract may require a vendor to carry insurance, but the indemnification language could limit their responsibility only to negligence they directly cause. If a claim involves shared responsibility, your business could still be exposed.
Even worse, poorly written contracts may require your business to defend a vendor in a lawsuit, effectively reversing the intended risk transfer.
Reviewing contract language alongside insurance requirements is critical to uncovering these hidden exposures.
Why Certificate Management Matters
Certificate management is not just administrative work. It is a core component of protecting your balance sheet. Proper processes help ensure:
- Coverage matches contract requirements
- Policies remain active and adequate
- Additional insured endorsements are correct
- Gaps are identified before a claim occurs
Without this oversight, businesses often discover problems only after a loss, when options are limited and costs are high.
Final Thought
Hidden liability does not announce itself. It sits quietly in unchecked certificates, vague contract language, and assumptions about who is responsible. Business owners who take a proactive approach to contractor and vendor risk are far better positioned to avoid surprises.
If you have questions about your contractors, vendors, certificates of insurance, or contract language, contact your Hertvik Insurance agent. We can help identify hidden liabilities and ensure your insurance program supports your business instead of exposing it.
