Here we have for you a tasty collection of free office brandingmockup for your next project. It contain cntains a a lot of mockups file which can be used to showcase different product brands.
With this mockup, you can present your work in a very elegant way. All you have to do is add your own design in smart objects layers. Also the background can also be changed to fit your need. This free psd was released by Vitali Raidziuk.