Can I edit or update my company listing myself? 

You can enter and update your company profile content yourself at any time and then verify it live in your company profile. You are neither relying on service times or external support in profile processing.  To edit the company profile, please log in to our website wlw.de, wlw.at, or wlw.ch by using the "login" button with your username and password and clicking on "my account." You will find here all your company profile content and your products & services. 
 Do you not have a login for your user account yet? You can easily activate your access. See here.