Who advertises with Viant?
A study of 486 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.
#14 of 19Among DSP and programmatic platforms, ahead of Feathr, GroundTruth and RTB House.
5%of sites with the Spotify Ads tag also carry the Viant tag, compared with 0% across the panel.
- 1,008,359
- company websites analysed
- 486
- domains with the Viant tag
- #14
- of 19 DSP and programmatic platforms same websites for every platform
- 97%
- headquartered in United States
Where Viant ranks
Share of the 134,794 sites in our tag-manager panel with each platform’s tag. Viant appears on 425 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 14.9× 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 Ads4.7% · 14.9×
- Nextdoor Ads3.8% · 12.0×
- MediaMath3.7% · 11.8×
- Snapchat Ads3.5% · 11.1×
- Amazon DSP3.3% · 10.6×
- Simpli.fi3.2% · 10.2×
- The Trade Desk3.0% · 9.6×
- Basis3.0% · 9.6×
- Yahoo DSP2.8% · 8.7×
- Beeswax2.5% · 7.8×
- Google DV3602.4% · 7.7×
- GroundTruth2.3% · 7.5×
- StackAdapt2.3% · 7.4×
- Xandr Invest2.3% · 7.2×
- TikTok Ads1.5% · 4.8×
- AdRoll1.3% · 4.0×
- Pinterest Ads1.2% · 3.8×
- Reddit Ads1.2% · 3.7×
- Quantcast1.0% · 3.3×
- Microsoft Ads0.7% · 2.2×
- ChatGPT Ads (OpenAI)0.6% · 2.0×
- Meta Ads0.6% · 1.9×
- X Ads0.6% · 1.8×
- LinkedIn Ads0.5% · 1.5×
- Adform0.4% · 1.2×
- Google Ads0.3% · 1.1×
- Criteo0.3% · 1.0×
- Feathr0.3% · 0.8×
- Quora Ads0.1% · 0.2×
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 |
|---|---|---|---|
International Rescue Committee rescue.org | Nonprofits & NGOs | 10,001+ | 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 |
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 |
Nova Southeastern University nova.edu | Higher Education | 1,001–5,000 | 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 |
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 |
Rensselaer Polytechnic Institute rpi.edu | K-12 & Higher Education | 1,001–5,000 | United States |
Western Washington University wwu.edu | K-12 & Higher Education | 1,001–5,000 | United States |
Tao Group Hospitality taogroup.com | Restaurants & Food Service | 1,001–5,000 | United States |
Veterans of Foreign Wars (VFW) vfw.org | Civic, Religious & Membership | 10,001+ | United States |
CenterPoint Energy centerpointenergy.com | Utilities & Power | 5,001–10,000 | United States |
Georgia Power Company georgiapower.com | Utilities & Power | 10,001+ | United States |
Troy University troy.edu | Higher Education | 1,001–5,000 | United States |
New York Institute of Technology nyit.edu | Higher Education | 501–1,000 | United States |
Planned Parenthood Federation of America plannedparenthood.org | Medical Practices & Clinics | 501–1,000 | United States |
Feeding America feedingamerica.org | Nonprofits & NGOs | 201–500 | United States |
Uncommon Schools uncommonschools.org | K-12 & Higher Education | 1,001–5,000 | United States |
Find relevant companies by sector, size and location, then identify the marketing leaders to contact. We can walk you through the available records.
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 486 domains among 1,008,359 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, 5% of sites with the Spotify Ads tag also carry the Viant tag, against 0.3% of the full panel. Next come Nextdoor Ads (4%), MediaMath (4%) and Snapchat Ads (3%).
Which companies use Viant for advertising?
They include International Rescue Committee, UC San Diego, San José State University, University of Colorado Boulder and Forrester. The table on this page lists more.
How does Viant compare to other ad platforms?
Within our 134,794-site tag-manager panel, Viant ranks #14 of 19 DSP and programmatic platforms by detected sites — ahead of Feathr, GroundTruth, RTB House, MediaMath and AppLovin Axon, behind Google DV360, The Trade Desk, StackAdapt, AdRoll and Simpli.fi.
More advertiser studies
Put the research to work
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