You are welcome to share your experience with Hammer Dieser & Mangskau as well as its ownerWilliam J Hammer or employees. This does not have to be your own experience. Your friends' or family members' experience or any related articles are welcome, if the sources of reviews are properly indicated.

Please avoid mentioning full names or using profanity and obscene language when you are making negative comments. If you have any thinking of Accountants as a whole, you are also welcome to post them here.