M
- MediaShop
- medimops
- MEDION
- medpex by DocMorris
- MEGABAD
- meinfoto
- Memory PC
- merchandisingplaza
- Messy Weekend
- Michael Kors
- Microsoft
- MillionStore
- Mindfactory
- MMOGA
- Modanisa
- Modivo
- moebel17
- mömax
- MOLUNA
- momox
- momox fashion
- Motatos
- MOVIE PARK
- Müller
- MUSIC STORE
- mydays
- myphotobook
- MYPROTEIN
- Mytheresa
- myToys