# YouTube Certified External Vendors

> [!NOTE]
> **Third-party ad serving (3PAS) on YouTube reservation:**
>
>
> As of May 15, 2019, support for YouTube 3PAS (VAST) is available through a new API-based
> framework that ingests and serves advertisers' creatives via Google's systems. Innovid,
> Sizmek, Extreme Reach, Adform, and Flashtalking are currently integrated with the
> framework.
>
> To leverage this solution, third party providers need to be
> [integrated with Ads Data Hub](https://developers.google.com/ads-data-hub/vendors/adh-vendors), which handles performance measurement.
>
> **Third-party ad tracking (3PAT) on YouTube (auction and reservation):**
>
>
> As of January 2021 YouTube reservation and auction campaign measurement is available through third party providers currently [integrated with Ads Data Hub](https://developers.google.com/ads-data-hub/vendors/adh-vendors) including but not limited to Nielsen, Comscore, Kantar, Dynata, DoubleVerify, IAS and MOAT.
>
> **YouTube Turkish Advertising Program (auction):**
>
>
> If you are a demand-side platform (DSP) targeting users in Turkiye, you may qualify for the YouTube Turkish Advertising Program.
> This program allows qualifying DSPs to buy YouTube advertising campaigns for serving video ads to users in Turkiye.
>
> [Learn more](https://forms.gle/JdJ4FiZtwmfNNycp8)
>
The following Third-party ad serving (3PAS) and Third-party ad tracking (3PAT) supported vendors may be used by YouTube clients to
serve 3rd-party ads. Please also note that, while this list is being
constantly updated, we do not guarantee that product offerings,
platforms or vendor types are fully up-to-date. You should always
reference our [specification pages](https://support.google.com/adwordspolicy/answer/94230) to ensure the ads you want to run are in-line
with the latest requirements and you should contact the vendor directly
to find out about their latest products.

Product Name - Company Name
:   This is the product name of the certified company. If the company name differs from the product name, it is listed below in italics.

Vendor Type
:   This is a business model classification for the vendor's type. This classification is meant to inform third/fourth-party call decisions and is in no way an indication of a business' strategy or competency beyond this context.

Filter by name or vendor type

| Product Name - *Company Name* | Vendor Type |
|---|---|
| [Adform](http://www.adform.com/) *ADFORM A/S* | Vast Provider |
| [Adometry by Google](http://www.adometry.com/) *Google, Inc.* | Research - Analytics |
| [C3 Metrics](https://www.c3metrics.com/) *C3 Metrics, Inc.* | Vast Provider |
| [Channel Intelligence](http://www.google.com/ads/channelintelligence/) *Google, Inc.* | Research - Analytics |
| [DoubleClick Campaign Manager](http://www.google.com/doubleclick/advertisers/) *Google, Inc.* | Ad Server Advertiser, Vast Provider |
| [DoubleClick for Publishers Premium](http://www.google.com/doubleclick/publishers/) *Google, Inc.* | Ad Server Advertiser, Vast Provider |
| [Exactag](https://exactag.com/) *Exactag GmbH* | Vast Provider |
| [Extreme Reach Digital (ER Digital)](http://extremereach.com) *Extreme Reach, Inc.* | Vast Provider |
| [Extreme Reach, Inc.](http://www.extremereach.com) *Extreme Reach, Inc.* | Vast Provider |
| [Flashtalking](http://www.flashtalking.com) *Flashtalking, Inc.* | Vast Provider |
| [Innovid Inc.](http://www.innovid.com/) *Innovid Inc.* | Vast Provider |
| [Insight Express (AdIndex)](http://www.kantar.com) *Kantar* | Research - Brand Lift |
| [Insight Express (Mobile Ignite)](http://insightexpress.com/solutions/ignite-network) *Kantar* | Research - Brand Lift |
| [Nielsen (Brand Effect Extended View \[BEEV\])](http://www.nielsen.com/) *Nielsen* | Research - Brand Lift |
| [Nielsen (Sales Effect)](http://www.nielsen.com) *Nielsen* | Research - Analytics |
| [Nielsen (Watch Effect/Net Effect)](http://www.nielsen.com) *Nielsen* | Research - Analytics |
| [Nielsen Digital Ad Ratings](http://www.nielsen.com/) *Nielsen* | Research - Analytics |
| [Dynata (YouTube)](https://www.dynata.com/) *Dynata, LLC* | Research - Brand Lift |
| [Teracent Corporation](http://www.teracent.com/) *Google, Inc.* | Ad Server Advertiser |
| [Weborama](https://weborama.com/) *Weborama* | Vast Provider |

YouTube only certifies the following platforms: Desktop, Mobile Web, and Mobile App. We will investigate discrepancies for certified platforms only. For uncertified platforms, Google will have no liability for a discrepancy between Google's impression and click counts and those of the third-party.

YouTube does not offer credits if reporting discrepancies occur with research vendors. Credits and/or make-goods are never offered for research studies other than Standard Ad Serving Vendors providing a 3rd-party impression-tracking pixel.

All vendors must complete a certification process. At its sole discretion, Google reserves the right to change this vendor list at any time.