Certified in 2025
Company | Category |
| Adform | Buy Side Support (Tech Platform Services) Sell Side Support (Non-Owned Inventory) |
| Amagi | Sell Side Support |
| Audience Store | Buyer Activation |
| Auto Trader | Direct Seller |
| Bauer Media | Direct Seller |
| Captify | Buy Side Support |
| December19 | Buyer Planner |
| Encore Digital Media | Buyer Activation |
| Fifty | Buyer Activation |
| Footballco | Direct Seller |
| Global | Direct Seller Sell Side Support |
| GroupM | Buyer Activation, Buyer Planner |
| GumGum | Sell Side Support |
| Havas | Buyer Planner, Buyer Activation |
| Index Exchange | Sell Side Support |
| Direct Seller | |
| Jack Ryan | Buyer Planner |
| Immediate Media | Direct Seller |
| IPG Mediabrands | Buyer Activation, Buyer Planner |
| Mail Metro Media | Direct Seller |
| Meta | Direct Seller |
| MIQ | Buyer Activation |
| Mobsta | Buyer Activation |
| Moloco | Buy Side Support |
| News UK | Direct Seller |
| Nexxen | Full Service Support |
| OCM Digital Media | Sell Side Support |
| Omnicom Media Group | Buyer Activation, Buyer Planner |
| Publicis | Buyer Activation, Buyer Planner |
| PubMatic | Sell Side Support |
| Rakuten | CTV |
| Skyrise | Buyer Activation |
| The Guardian | Direct Seller |
| The Telegraph | Direct Seller (Owned Inventory) |
| TikTok | Direct Seller |
| Venatus | Sell Side Support |
| Yahoo | Direct Seller |
Certified
Company | Category |
| Crimtan | Buy Side Support (Tech Platform Services) |
| Dentsu | Buyer Planner |
| ESI Media | Direct Seller (Owned Inventory) |
| Haymarket Media Group (Campaign) | Direct Seller (Owned Inventory) |
| IPG Mediabrands | Buyer Planner |
| LADbible group | Direct Seller (Owned Inventory) |
| LiveScore | Direct Seller (Owned Inventory) |
| Loopme | Buy Side Support (Tech Platform Services) |
| Mindshare | Buyer Planner |
| mSix | Buyer Planner |
| Nano Interactive | Buyer Activation |
| Nexus - Advanced TV (Finecast) | Buyer Activation |
| Nexus (Xaxis) | Buyer Activation |
| Octave Audio | Direct Seller (Owned Inventory) |
| Onyx by Outbrain | Full Service Support |
| Quantcast | Buyer Activation |
| Reach Solutions | Direct Seller (Owned Inventory) |
| Readpeak | Buy Side Support (Tech Platform Services) |
| ShowHeroes | Buy Side Support (Tech Platform Services) |
| Sky | Direct Seller (Owned Inventory) |
| SmartFrame | Sell Side Support (Non-Owned Inventory) |
| Taboola | Full Service Support |
| Teads | Sell Side Support (Non-Owned Inventory) |
| TripAdvisor | Direct Seller (Owned Inventory) |
| Triplelift | Sell Side Support (Non-Owned Inventory) |
| Vevo | Direct Seller (Owned Inventory) |
| Wavemaker | Buyer Planner |
| WeAre8 | Direct Seller (Owned Inventory) |
Registered
Company | Category |
| Nectar360 | Retail Media |
