1. Go to ribbon to the View tab.
2. Click Slide Master.
3. Highlight the first slide from in the list which appeared on the left.
4. Go to ribbon again, but to the Insert tab this time.
5. Click Picture and insert your company’s logo to the slide.
6. Put the logo in the corner of the slide.
7. Go to the ribbon again and choose Slide Master tab.
8. Click Close Master View.
Tip. Choose top right or down right corner.