Who advertises with Viant?
A study of 1,105 company websites with the Viant tag. We look at who they are, the other advertising platforms they use, and how they break down by sector, size and geography.
An observed sample, not a global advertiser count. Tag installation indicates measurement setup; it does not establish active spending.
#15 of 19Among DSP and programmatic platforms, ahead of Amazon DSP, MediaMath and GroundTruth.
7%of sites with the Spotify Ads tag also carry the Viant tag, compared with 0% across the panel.
- 1,268,817
- company websites analysed
- 1,105
- domains with the Viant tag
- #15
- of 19 DSP and programmatic platforms same websites for every platform
- 96%
- headquartered in United States
Where Viant ranks
Share of the 468,601 sites in our tag-manager panel with each platform’s tag. Viant appears on 986 of these sites. Snapshot: 1 Nov 2026.
Who advertises with Viant
The companies we could match to detected domains. Each breakdown uses profiles with a known value for that field. Sector and business-model categories can overlap.
Which advertising audiences overlap most?
Sites with the Spotify Ads tag are 31.4× as likely to carry the Viant tag as the average site in our panel. This is a snapshot of overlap, not a measure of adoption speed.
- Spotify Ads6.6% · 31.4×
- Amazon DSP5.9% · 27.9×
- MediaMath4.5% · 21.2×
- Simpli.fi4.3% · 20.2×
- The Trade Desk3.9% · 18.7×
- Snapchat Ads3.5% · 16.8×
- Nextdoor Ads3.5% · 16.5×
- StackAdapt3.4% · 16.1×
- Basis2.5% · 11.7×
- Google DV3602.3% · 11.2×
- Yahoo DSP2.1% · 10.1×
- Beeswax2.1% · 10.0×
- Xandr Invest2.1% · 9.9×
- GroundTruth2.0% · 9.4×
- Reddit Ads1.3% · 6.3×
- AdRoll1.3% · 6.3×
- TikTok Ads1.3% · 6.1×
- Pinterest Ads0.9% · 4.1×
- X Ads0.7% · 3.5×
- Quantcast0.6% · 2.9×
- Microsoft Ads0.5% · 2.5×
- ChatGPT Ads (OpenAI)0.5% · 2.3×
- Meta Ads0.5% · 2.1×
- LinkedIn Ads0.4% · 2.1×
- AppLovin Axon0.2% · 1.1×
- Google Ads0.2% · 1.1×
- Feathr0.2% · 0.9×
- Criteo0.2% · 0.8×
- Quora Ads0.1% · 0.7×
- Adform0.1% · 0.5×
- RTB House0.1% · 0.4×
The companies behind the tags
40 matched company profiles, ordered by LinkedIn following. Inclusion indicates a detected tag, not a confirmed active campaign.
| Company | Industry | Size | HQ |
|---|---|---|---|
Cushman & Wakefield cushmanwakefield.com | Real Estate (brokerage & services) | 10,001+ | United States |
International Rescue Committee rescue.org | Nonprofits & NGOs | 10,001+ | United States |
Obama Foundation obama.org | Nonprofits & NGOs | 201–500 | United States |
Prosper Global prosperglobal.org | Nonprofits & NGOs | 1,001–5,000 | United States |
UC San Diego ucsd.edu | Higher Education | 10,001+ | United States |
San José State University sjsu.edu | K-12 & Higher Education | 1,001–5,000 | United States |
University of Colorado Boulder colorado.edu | K-12 & Higher Education | 5,001–10,000 | United States |
Forrester forrester.com | Market Research & Insights | 1,001–5,000 | United States |
University of Cincinnati uc.edu | K-12 & Higher Education | 5,001–10,000 | United States |
The University of Texas at Arlington uta.edu | K-12 & Higher Education | 1,001–5,000 | United States |
Human Rights Campaign hrc.org | Nonprofits & NGOs | 51–200 | United States |
Miami University miamioh.edu | Higher Education | 1,001–5,000 | United States |
The University of Texas at Dallas utdallas.edu | Higher Education | 1,001–5,000 | United States |
Washington State University wsu.edu | Higher Education | 5,001–10,000 | United States |
University of Delaware udel.edu | Higher Education | 1,001–5,000 | United States |
Kennesaw State University kennesaw.edu | Higher Education | 1,001–5,000 | United States |
Takeda Oncology takedaoncology.com | Pharmaceuticals | 1,001–5,000 | United States |
Villanova University villanova.edu | Higher Education | 1,001–5,000 | United States |
Nova Southeastern University nova.edu | Higher Education | 1,001–5,000 | United States |
Verily Health verily.com | Digital Health & Telehealth | 1,001–5,000 | United States |
Exelon exeloncorp.com | Utilities & Power | 10,001+ | United States |
Cirque du Soleil Entertainment Group cirquedusoleil.com | Arts, Culture & Live Entertainment | 1,001–5,000 | Canada |
Old Dominion University odu.edu | K-12 & Higher Education | 1,001–5,000 | United States |
Eightfold AI eightfold.ai | AI / ML | 501–1,000 | United States |
Bowling Green State University bgsu.edu | Higher Education | 5,001–10,000 | United States |
Cotality cotality.com | Data & Analytics | 1,001–5,000 | — |
University of New Hampshire unh.edu | Higher Education | 1,001–5,000 | United States |
CoreLogic corelogic.com | Data & Analytics | 5,001–10,000 | United States |
University of Mississippi olemiss.edu | Higher Education | 1,001–5,000 | United States |
University of Memphis memphis.edu | Higher Education | 1,001–5,000 | United States |
Sam Houston State University shsu.edu | K-12 & Higher Education | 5,001–10,000 | United States |
Cleveland State University csuohio.edu | Higher Education | 1,001–5,000 | United States |
Saint Louis University slu.edu | Higher Education | 1,001–5,000 | United States |
California State University - East Bay csueastbay.edu | Higher Education | 1,001–5,000 | United States |
Broward College broward.edu | Higher Education | 1,001–5,000 | United States |
University of Massachusetts Lowell uml.edu | K-12 & Higher Education | 1,001–5,000 | United States |
Sierra Club sierraclub.org | Nonprofits & NGOs | 501–1,000 | United States |
Ultimate Fighting Championship ufc.com | Arts, Culture & Live Entertainment | 201–500 | — |
Center for Reproductive Rights reproductiverights.org | Nonprofits & NGOs | 201–500 | — |
Help at Home helpathome.com | Home & Elder Care | 10,001+ | United States |
Every company we've detected, filterable by sector, size and location, with the marketing leaders to contact. And it's a live list: we re-scan monthly, so you see who just added the Viant tag and who removed it. Book a call and we'll walk you through it.
Book a call →company_tech on gtm.dev →Viant advertisers: common questions
Is this the total number of Viant advertisers?
No. We detected the Viant tag on 1,105 domains among 1,268,817 company websites analysed. This is an observed sample of companies and startups, not an estimate of the platform's whole advertiser base.
Which advertisers are most likely to also use Viant?
In our comparison panel, 7% of sites with the Spotify Ads tag also carry the Viant tag, against 0.2% of the full panel. Next come Amazon DSP (6%), MediaMath (4%) and Simpli.fi (4%).
Which companies use Viant for advertising?
They include Cushman & Wakefield, International Rescue Committee, Obama Foundation, Prosper Global and UC San Diego. The table on this page lists more.
How does Viant compare to other ad platforms?
Within our 468,601-site tag-manager panel, Viant ranks #15 of 19 DSP and programmatic platforms by detected sites — ahead of Amazon DSP, MediaMath, GroundTruth and AppLovin Axon, behind Google DV360, The Trade Desk, StackAdapt, AdRoll and Simpli.fi.
More advertiser studies
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