Please select Browse at the top and then click Companies, to create your Company ad.
Direct link: https://www.playatlas.com/index.php?/clubs/
https://www.playatlas.com/index.php?/forums/topic/408-where-to-create-your-company-ad-or-find-a-company-to-join/
Sorry, but we cannot move this type of post to the Companies section.