1. Use a maximum of three colors.
2. Try to keep it simple so it will be easily recognized.
3. Create a unique/unforgettable shape for the logo.
4. The logo should look good in black & white as it is in color.
5. Make sure you avoid trends, so your logo will be timeless.
6. Try not to use special effects like gradients.
7. A photo is not considered a logo.
8. The logo should be solid.
9. It should be easy to describe the logo.
10. Avoid too many details.