GNIU is a full-line agency, offering life, non-life and health insurance products. It has become a one-stop-shop for customers’ insurance needs.
To help the community we serve to better manage the risks of daily life by providing insurance products at fair prices; settling claims fairly and expeditiously; and delivering value-added service to our customers
Our vision for the future is to be the preferred provider of insurance products and services in Guam and Micronesia and continue to be one of the industry leaders in the region.
Our accomplishments since 1973 are built on a foundation of collective principles – professional customer service, long-term relationships, integrity, trust, and financial stability.
GNIU is the Managing General Agent of Chung-Kuo Insurance Company, Limited – one of the three largest admitted insurers on Guam.
GNIU currently employs over 30 staff servicing thousands of customers in two convenient locations: Tamuning Main Office and Micronesia Mall Branch.
GNIU ranks as one of the top five insurance agencies on Guam.
Micronesia Mall Branch Supervisor
Opens 7 days a week.
Visit our Micronesia Mall
Open Monday to Sunday
Servicing Guam since 1973
Great National offers all line of insurance to meet your insurance needs
Domie B. Bumagat Jr.President and CEO
1st Floor GNI Complex Chalan San Antonio Tamuning, Guam 96913
Mailing Address: P.O. Box GA Hagatna, Guam 96932
Phone No.: (671) 646-5736
Fax No.: (671) 649-2418
1st Floor Payless Wing Micronesia Mall, Marine Drive, Dededo Guam
Phone No.: (671) 632-5296
Fax No.: (671) 632-5406