Who advertises with GroundTruth?
A study of 809 company websites with the GroundTruth 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.
#18 of 19Among DSP and programmatic platforms, ahead of AppLovin Axon.
9%of sites with the Beeswax tag also carry the GroundTruth tag, compared with 0% across the panel.
- 1,268,817
- company websites analysed
- 809
- domains with the GroundTruth tag
- #18
- of 19 DSP and programmatic platforms same websites for every platform
- 98%
- headquartered in United States
Where GroundTruth ranks
Share of the 468,601 sites in our tag-manager panel with each platform’s tag. GroundTruth appears on 710 of these sites. Snapshot: 1 Nov 2026.
Who advertises with GroundTruth
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 Beeswax tag are 56.1× as likely to carry the GroundTruth tag as the average site in our panel. This is a snapshot of overlap, not a measure of adoption speed.
- Beeswax8.5% · 56.1×
- Xandr Invest4.6% · 30.5×
- Yahoo DSP3.7% · 24.7×
- Nextdoor Ads3.6% · 23.5×
- Amazon DSP2.8% · 18.6×
- Basis2.1% · 14.0×
- Simpli.fi1.9% · 12.6×
- The Trade Desk1.8% · 12.2×
- Viant1.4% · 9.4×
- StackAdapt1.2% · 8.1×
- MediaMath1.1% · 6.9×
- Spotify Ads1.0% · 6.5×
- Google DV3600.9% · 5.6×
- AdRoll0.7% · 4.9×
- Snapchat Ads0.7% · 4.5×
- Criteo0.6% · 4.0×
- Reddit Ads0.5% · 3.0×
- Quantcast0.4% · 2.9×
- TikTok Ads0.4% · 2.7×
- Feathr0.4% · 2.5×
- Pinterest Ads0.3% · 2.1×
- Microsoft Ads0.3% · 2.1×
- Meta Ads0.3% · 1.7×
- X Ads0.2% · 1.2×
- ChatGPT Ads (OpenAI)0.2% · 1.1×
- LinkedIn Ads0.2% · 1.0×
- Google Ads0.1% · 1.0×
- Quora Ads0.1% · 0.5×
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 |
|---|---|---|---|
Florida State University news.fsu.edu | Higher Education | 5,001–10,000 | United States |
iHeartMedia iheartmedia.com | Music & Audio | 5,001–10,000 | United States |
Circle K circlek.com | Grocery & Convenience | 10,001+ | Canada |
JE Dunn Construction jedunn.com | Construction & Contracting | 5,001–10,000 | United States |
California State University-Sacramento csus.edu | Higher Education | 1,001–5,000 | United States |
Withum withum.com | Accounting & Tax | 1,001–5,000 | United States |
NCR Voyix ncrvoyix.com | Payments & Fintech | 10,001+ | — |
Missouri State University missouristate.edu | K-12 & Higher Education | 1,001–5,000 | United States |
MNTN mountain.com | Performance / Growth / Adtech | 201–500 | United States |
National Apartment Association (Naahq) naahq.org | Civic, Religious & Membership | 51–200 | United States |
Babson College babson.edu | Higher Education | 501–1,000 | United States |
Presidio presidio.com | IT Services & Consulting | 1,001–5,000 | United States |
Baker Construction bakerconstruction.com | Construction & Contracting | 10,001+ | United States |
Simon Property Group simon.com | Real Estate Investment & Development | 1,001–5,000 | United States |
GroundTruth groundtruth.com | Performance / Growth / Adtech | 201–500 | United States |
Western Illinois University wiu.edu | K-12 & Higher Education | 1,001–5,000 | United States |
Sika USA usa.sika.com | Chemicals & Materials | 1,001–5,000 | United States |
Seattle University seattleu.edu | Higher Education | 501–1,000 | United States |
QA Ltd qa.com | Training, Coaching & Vocational | 1,001–5,000 | United Kingdom |
Sonic Automotive sonicautomotive.com | Automotive & Mobility Manufacturing | 10,001+ | United States |
Tennessee Technological University tntech.edu | K-12 & Higher Education | 1,001–5,000 | United States |
BENETEAU beneteau.com | Maritime & Rail | 1,001–5,000 | France |
iHeartRadio jobs.iheart.com | Music & Audio | 51–200 | United States |
University of Alaska Anchorage uaa.alaska.edu | Higher Education | 501–1,000 | United States |
ARCO Design/Build arcodb.com | Construction & Contracting | 501–1,000 | United States |
OUTFRONT outfront.com | Advertising & Media Agencies | 1,001–5,000 | United States |
University of Indianapolis uindy.edu | K-12 & Higher Education | 501–1,000 | United States |
SchooLinks schoolinks.com | EdTech & E-Learning | 51–200 | United States |
North American Dental Group (NADG) nadentalgroup.com | Medical Practices & Clinics | 1,001–5,000 | United States |
Fox Restaurant Concepts foxrc.com | Restaurants & Food Service | 5,001–10,000 | United States |
Kirkwood Community College kirkwood.edu | Higher Education | 501–1,000 | United States |
UMB Bank umb.com | Banking | 1,001–5,000 | United States |
Salk Institute for Biological Studies salk.edu | Biotech & Life Sciences | 501–1,000 | United States |
Tropical Smoothie Cafe tropicalsmoothiecafe.com | Restaurants & Food Service | 51–200 | United States |
Outset Medical, Inc. outsetmedical.com | Medical Devices & Diagnostics | 501–1,000 | United States |
Garver garverusa.com | Engineering & Technical Services | 1,001–5,000 | United States |
G&K Services gkservices.com | Facilities & Building Services | 5,001–10,000 | United States |
West Shore Home westshorehome.com | Construction & Contracting | 1,001–5,000 | United States |
Axonify axonify.com | EdTech & E-Learning | 201–500 | Canada |
Dave's Hot Chicken daveshotchicken.com | Restaurants & Food Service | 11–50 | 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 GroundTruth tag and who removed it. Book a call and we'll walk you through it.
Book a call →company_tech on gtm.dev →GroundTruth advertisers: common questions
Is this the total number of GroundTruth advertisers?
No. We detected the GroundTruth tag on 809 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 GroundTruth?
In our comparison panel, 9% of sites with the Beeswax tag also carry the GroundTruth tag, against 0.2% of the full panel. Next come Xandr Invest (5%), Yahoo DSP (4%) and Nextdoor Ads (4%).
Which companies use GroundTruth for advertising?
They include Florida State University, iHeartMedia, Circle K, JE Dunn Construction and California State University-Sacramento. The table on this page lists more.
How does GroundTruth compare to other ad platforms?
Within our 468,601-site tag-manager panel, GroundTruth ranks #18 of 19 DSP and programmatic platforms by detected sites — ahead of AppLovin Axon, behind Google DV360, The Trade Desk, StackAdapt, AdRoll and Simpli.fi.
More advertiser studies
Put the research to work
Selling to GroundTruth advertisers — as a platform, agency or ad-tech vendor? Talk to us about finding the companies and marketing teams that fit your business.