Hi all designers I updated the brief for you to lead some of you more in the right way.
Try to post designs on either white or black background, that is how it is going to be used once it is ready. Paper or business card is also ok but cut out dark glass backgrounds and facades, I know it looks good and fancy that way but it is very unlikely it will be used that way

Hope this will help you all out, good luck to you all and keep up all the good work you done so far.

Hi again I will write my update on the brief here as well so everybody can see it:

Try to incorporate a construction or architectural element into the logo or maybe even try to incorporate one of those elements into the letters rather than having a standalone logo.
A construction element doesn't have to be a hammer or a helmet, a square can represent a house looking from above for instance, rather work with lines to try to create the illusion of an element, think less is more

Pls check my deign and provide feedback...