Call Us Today:
800.688.5295

Coverage for Your Business

Protect your Investment

GNB Insurance Agency provides insurance to businesses in Grundy Center, Conrad, Marshalltown, Ackley, Iowa Falls, Parkersburg, and surrounding areas.

No matter what business you are in, each workday is dedicated to doing your job well and providing your customers with the best service possible. GNB Insurance Agency would like to return the favor by giving you the coverage you need to ensure the security of your business. 

At GNB Insurance Agency, we’re committed to keeping your business protected – so you can focus on your day-to-day operations. And with the right insurance plan, your business will be covered from top to bottom. 

We offer the following options for your business assets: 

  • Commercial property insurance
  • Commercial general liability
  • Business owners policy (BOP)
  • Inland marine insurance
  • Commercial auto insurance
  • Commercial umbrella insurance
  • Professional liability
  • Workers compensation
  • Crime insurance
  • And much more …

Our Coverage for Your Business Options Include:

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

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.