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About Our Agency

James Mann and Michael Mustacci founded Horizon Insurance Group, Inc., in Phoenix, Arizona in 1990. Horizon is a full service independent insurance agency representing a number of highly respected, top rated insurance companies, which includes most national insurance companies as well as selected regional providers.

Our clients range from small local business owners to large multistate companies. We insure a variety of types of businesses including, but not limited to, manufacturers, retailers and contractors.

Our agents bring a wealth of experience to the table. Each one of our agents has been involved in the industry for a minimum of ten years as either an agent or an underwriter. Our team leaders have worked for national brokers but have chosen to work at Horizon where their expertise and attention to service is appreciated and recognized.

Our goal is to provide our clients with the appropriate insurance program, while at the same time, making it cost effective. We look forward to working with you now and into the future.

Our Location

Horizon Insurance Agency, LLC

7500 N Dreamy Draw Dr, Ste 100
Phoenix, AZ 85020
Main office: 602-992-9750
Toll free: 800-328-6770

Our Providers


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.