Grinnell Re | Broker-assumed reinsurance
Broker-assumed reinsurance solutions
Grinnell Re is the reinsurance division of Grinnell Mutual, a mutual property-casualty insurance company founded by mutuals for mutuals. We protect what matters most and we're here for the long haul.
Reinsurance treaties
For more than a century, mutual insurance companies have ceded their property and casualty risks and exposures to Grinnell Re.
Grinnell Re net earned premium by line of business, 2022

Property and casualty treaties
We offer reinsurance treaties customized to your clients’ varied risks. Our financial security and risk management expertise means you can place those risks with confidence. Grinnell Re specializes in reinsurance for carriers writing home, farm, auto, and Main Street businesses.
- Property and casualty multi-line
- Property aggregate
- P&C aggregate
Catastrophe treaties
Our catastrophe (CAT) treaties help manage exposures from CAT loss events. In certain non-coastal states we can provide your clients capacity for unlimited property CAT in excess of loss.
Quota share programs
Trusted relationships mean working together to find reinsurance solutions that fit your clients’ needs. Our quota share solutions can help your clients who have greater underwriting discipline to diversify their risks and improve their bottom lines.
- Auto
- Property
- Farm
- Umbrella
- Portfolio
Reinsurance solutions for farm risks
Grinnell Re is a leading agricultural reinsurer in the United States and we pride ourselves on our farm roots. We can manage your clients’ farm insurance risks, too. We specialize in general farm excess of loss programs and farm quota share, including livestock and machinery.
What you can expect from Grinnell Re
Grinnell Re builds relationships with brokers and their mutual insurance clients to help manage their risks. When you choose Grinnell Re, we will work with you and your client to find the right reinsurance solution for a broad spectrum of risks.
Each reinsurance treaty is not just a transaction — it’s a promise. And behind each promise there is a team of experienced, knowledgeable reinsurance professionals ready to help your clients.
Grinnell Re is accredited in 28 states.

Learn more about Grinnell Re
Insurance is rooted in trusted relationships. Our reinsurance professionals want to work with you. Meet the team and find out the reinsurance solutions we can offer.
To find out more about working with Grinnell Re, contact Randy Dammeyer — he will be glad to hear from you.
Bob Clark
Assistant Vice President, Reinsurance Underwriting
Ryan Walsh
Director, Broker Market Reinsurance Underwriting