Ph: (715) 845-9231    Fax: (715) 848-2390

About Us

In 1966 Gassner Company was officially founded by James Gassner.  The company started as a small accounting firm providing tax assistance in central Wisconsin.  Since then, the firm has grown and added numerous service areas.

Our knowledgeable staff now include four CPAs as well as five paraprofessionals plus additional support staff that allow the firm to service individuals and businesses across the country.  Located on Wausau’s West side, the accountants at Gassner Company offer over 130 years cumulative experience in accounting and tax issues.

Gassner Company, S.C.
117 S 3rd Avenue
Wausau, WI 54401
Ph: 715-845-9231
Fax: 715-848-2390

Tax Season Hours:

(Late January - April 15th)

Mon - Thurs8:00am - 7:00pm
Friday8:00am - 5:00pm
Saturday8:00am - 12:00pm


(April 15 - Early January)

Mon - Thurs8:00am - 4:30pm
Friday8:00am - 12:00pm

Closed on major holidays

Gassner Company in Wausau, WI