Call Us Today:
800.688.5295


GNB Insurance Agency

We’re an independently owned and operated agency with five locations in Iowa and we deliver insurance and risk management solutions.  We have served individuals and businesses for more than 80 years.  We believe in protecting what you have so that you can achieve what you want.  We are a Trusted Choice Independent Insurance Agency which allows us to shop multiple providers on your behalf.  We establish and nurture meaningful relationships with our clients.  At GNB Insurance, we will work with you to ensure that you and those you care about most are protected.

Products and Services

We offer a wide variety of insurance options including personal and commercial policies.  Our products are personalized to fit your needs.  We offer Home, auto, life, and health coverage.  We tailor all options, including those in our business program.  Please contact us to learn more about develooping a customized insurance portfolio. 

We have a farm program that gives every farmer or agribusiness owner the opportunities that he or she needs to stay secure and to run operations smoothly.  Whether our farmer-clients need crop insurance, equipment insurance, or structures insurance, we provide it.  As a result, the farmers whom we serve contribute to Iowa’s economy in meaningful ways.

Our products page offers information on all of our insurance options.

Feel free to speak with an agent for more information.

Our Approach

We’re local and we’ve grown up in the areas that we serve.  We also know our industry very well.  Our local knowledge and our knowledge of insurance make us the best option for insurance in Central Iowa.  We work closely with clients in order to create the best solutions and we’ll work with you in the same way in order to do the same thing.  Once the solution that we create is in place, we’ll monitor it regularly and we’ll keep you informed.


Please contact us or give us a call to learn more.  You can request a quote if you’re ready to get started.

Testimonials

Accommodating, professional, helpful, and quick. Very comfortable experience and I was impressed by their capabilities. Highly recommended.
Brad M.
I feel lucky to have found an agent willing to provide this level of service. No need to look anywhere else!
Michelle D.
Over the years we’ve never once had to worry about our coverage. My husband and I are long-time customers and proud to be.
Carol S.
Surprisingly flexible and in-touch with my needs as a small business owner. Can’t ask for more.
Spencer F.
They have strong ties with the community, and it shows. It’s nice to do business with people that really show they care about you and your family.
Susan T.

Our Locations

GNB Insurance Grundy Center

603 7th Street
Grundy Center, IA 50638
Main office: 319-825-5295
Toll free: 800-688-5295

GNB Insurance Ackley

646 Main Street
Ackley, IA 50601
Main office: 641-847-3541
Toll free: 800-864-4689

GNB Insurance Conrad

125 N Main Street
Conrad, IA 50621
Main office: 641-366-2280

GNB Insurance Iowa Falls

315 Main Street
Iowa Falls, IA 50126
Main office: 641-648-6689
Toll free: 855-268-7323

GNB Insurance Marshalltown

2504 S 2nd Street
Marshalltown, IA 50158
Main office: 641-753-4040
Toll free: 855-493-9883

Our Providers