| O&O Software |
3 |
| O'Reilly |
2 |
| O2health |
1 |
| Oakley |
2 |
| Obi living |
2 |
| Object |
2 |
| Object.ci |
1 |
| Occitane en Provence |
0 |
| Ocean Hotels |
3 |
| Ochama |
0 |
| Octa |
1 |
| OCTA+ |
1 |
| Odenson |
2 |
| ODLO |
2 |
| Offerte.be |
0 |
| OfficeCity |
2 |
| OfficeDeals |
6 |
| OFM. |
3 |
| Oilily |
3 |
| Ojacet |
2 |
| Olexisshop |
1 |
| Olijfolieconcurrent |
3 |
| Olivia & Kate |
0 |
| Olpro |
2 |
| Oluxury |
2 |
| Omio travel |
1 |
| Omoda |
0 |
| On That Ass |
1 |
| Onafhankelijk Adviesplatform |
1 |
| Onafhankelijkheid Advies |
0 |
| OndergoedBasic.nl |
2 |
| One Day Fashion Deals |
1 |
| One.com |
5 |
| OnePlus |
3 |
| OneTravel |
2 |
| OneTwoTrip |
1 |
| Ongediertewinkel |
4 |
| Onkruidbrander |
2 |
| Onkruidbrander.com |
1 |
| Online Tapijten |
2 |
| Online TEFL Course |
2 |
| Onlinedesignmeubel |
0 |
| Onlinehoortoestel |
3 |
| Onlinelampkopen.be |
0 |
| Onlinestoelkopen.be |
0 |
| Onlinetafelkopen.be |
0 |
| Onlinetapijten.be |
2 |
| ONLY |
4 |
| ONLY & SONS |
3 |
| Only for Men |
0 |
| Ontwerpjemondmasker.be |
1 |
| ONWINE |
2 |
| Oordopjes-kopen |
0 |
| Oostendorp muziek |
1 |
| Open32 |
3 |
| OpinieLand |
0 |
| Oppasland |
0 |
| Optical Center |
0 |
| OptimaFormula |
2 |
| OQIUM |
0 |
| Oral-B |
1 |
| Orange |
2 |
| Orangeshop |
0 |
| Oranje artikelen winkel |
1 |
| Orchestra |
0 |
| Osmo |
3 |
| OSW |
0 |
| Osw.be |
1 |
| otel.com |
1 |
| Otelo |
1 |
| Otrium |
4 |
| Otticanet |
2 |
| Otto Office |
5 |
| Otto office.be |
1 |
| Ottos |
0 |
| Out at Home |
3 |
| Outlet Today |
1 |
| Outletinn |
0 |
| Outspot.be |
0 |
| Overhemden.com |
2 |
| Oxfam novib |
1 |
| Oxygen Boutique |
0 |
| Oysho |
0 |
| O’DIVA |
1 |
