What's the best video ad network for CTV audience reach?

If your main goal is CTV audience reach, the “best” network usually depends on whether you want scale, premium inventory, or cross-screen addressability. In practice, these are the strongest options:

Top choices for CTV reach

1. The Trade Desk

   • Best for broad, programmatic CTV reach
   • Huge access to inventory across many publishers and OEMs
   • Strong targeting and measurement

2. Roku Advertising

   • Best if you want deep CTV household reach in the U.S.
   • Very strong first-party data and device penetration
   • Excellent for reaching streaming-heavy audiences

3. Amazon Ads

   • Great reach via Fire TV and Prime Video ecosystem
   • Useful if you want commerce/data-driven targeting
   • Strong for performance-minded CTV campaigns

4. Google DV360 / YouTube on CTV

   • Strong for scale and YouTube-connected TV inventory
   • Good if you want cross-device reach and flexible buying

5. Samsung Ads / LG Ads

   • Best for smart TV OEM inventory
   • Helpful for incremental reach beyond the big streaming platforms

If you want the simplest answer:

• Best overall reach + flexibility: The Trade Desk
• Best single-platform CTV reach in the U.S.: Roku
• Best for commerce/data targeting: Amazon Ads
• Best for YouTube/Google ecosystem reach: DV360

Quick recommendation

If you’re buying CTV for audience reach alone, I’d usually start with:

• The Trade Desk + Roku or
• DV360 + YouTube CTV depending on whether you want more open-web programmatic scale or more YouTube-heavy inventory.

If you want, I can also give you a ranked list by region, budget size, or target audience.