External banners linking to our sites

Do I have to place a clicktag?

[Rickhtml]

Our company produces (multilanguale) banners in different formats. Local countries can decide which ones to order.
Local agencies use the banners in their ad-management systems.

How can I track all these banners in Google Analytics? I would like to measure clicks, and traffic to our websites (generated by these banners).

Thanks in advance for your answers.
Rickhtml

[toplisek]

I think you have to know google code to track all on all pages.

[toplisek]

Which is the best software to track clicks on banners on SERVER not outside URL?I also do not know the best.