To get started with your company page, make sure to upload your company logo. The minimum image size should be more than or equal 400 pixels. The allowed file types are jpg and png.
1. Switch to your company account.
→ See Switching between accounts
2. Go to your company page, hover the company logo placeholder, and click the lower half called Add Photo (or Edit Photo when you're editing this image).
3. Select your company logo from your computer or mobile device.
4. Crop the image as you see fit, and click Apply