Who advertises with Simpli.fi?
A study of 6,851 company websites with the Simpli.fi 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.
#5 of 19Among DSP and programmatic platforms, ahead of Xandr Invest, Criteo and Yahoo DSP.
21%of sites with the Viant tag also carry the Simpli.fi tag, compared with 1% across the panel.
- 1,268,817
- company websites analysed
- 6,851
- domains with the Simpli.fi tag
- #5
- of 19 DSP and programmatic platforms same websites for every platform
- 90%
- headquartered in United States
Where Simpli.fi ranks
Share of the 468,601 sites in our tag-manager panel with each platform’s tag. Simpli.fi appears on 4,820 of these sites. Snapshot: 1 Nov 2026.
Who advertises with Simpli.fi
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 Viant tag are 20.2× as likely to carry the Simpli.fi tag as the average site in our panel. This is a snapshot of overlap, not a measure of adoption speed.
- Viant21% · 20.2×
- Basis16% · 15.3×
- Nextdoor Ads15% · 14.2×
- MediaMath14% · 13.9×
- GroundTruth13% · 12.6×
- The Trade Desk13% · 12.2×
- Amazon DSP11% · 11.1×
- Xandr Invest10% · 10.0×
- Spotify Ads9.8% · 9.5×
- Beeswax9.1% · 8.8×
- Quantcast8.6% · 8.4×
- StackAdapt8.5% · 8.2×
- Snapchat Ads6.9% · 6.7×
- Google DV3605.8% · 5.7×
- Yahoo DSP5.7% · 5.5×
- AdRoll4.2% · 4.0×
- Reddit Ads4.0% · 3.9×
- X Ads2.9% · 2.8×
- Feathr2.5% · 2.4×
- TikTok Ads2.3% · 2.3×
- Pinterest Ads2.2% · 2.2×
- Microsoft Ads2.2% · 2.1×
- Meta Ads1.7% · 1.7×
- AppLovin Axon1.6% · 1.6×
- ChatGPT Ads (OpenAI)1.6% · 1.6×
- LinkedIn Ads1.5% · 1.5×
- Google Ads1.0% · 1.0×
- Quora Ads0.8% · 0.8×
- Criteo0.6% · 0.6×
- RTB House0.1% · 0.1×
- Adform0.1% · 0.1×
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 |
|---|---|---|---|
GE HealthCare gehealthcare.com | Medical Devices & Diagnostics | 10,001+ | United States |
FedEx careers.fedex.com | Freight, Trucking & Logistics | 10,001+ | United States |
CGI cgi.com | IT Services & Consulting | 10,001+ | Canada |
Nokia nokia.com | Telecom & Connectivity | 10,001+ | Finland |
Micron Technology micron.com | Hardware, Semiconductors & IoT | 10,001+ | United States |
Smurfit Westrock smurfitwestrock.com | Packaging | 10,001+ | Ireland |
Splunk splunk.com | Cybersecurity | 5,001–10,000 | United States |
CompTIA comptia.org | Training, Coaching & Vocational | 201–500 | United States |
Interior Design Magazine interiordesign.net | Publishing & News | 201–500 | United States |
Danfoss danfoss.com | Industrial Machinery & Equipment | 10,001+ | Denmark |
ISC2 isc2.org | Cybersecurity | 201–500 | United States |
Wildlife Conservation Society wcs.org | Nonprofits & NGOs | 1,001–5,000 | United States |
Cohesity cohesity.com | SaaS / Cloud | 5,001–10,000 | United States |
SAIC saic.com | Aerospace & Defense | 10,001+ | United States |
CHEP chep.com | Freight, Trucking & Logistics | 10,001+ | United Kingdom |
Ross Stores, Inc. jobs.rossstores.com | Retail (physical / general) | 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 |
The University of Queensland uq.edu.au | K-12 & Higher Education | 5,001–10,000 | Australia |
Virginia Tech vt.edu | K-12 & Higher Education | 5,001–10,000 | United States |
R1 RCM r1rcm.com | Enterprise Software | 10,001+ | United States |
Wounded Warrior Project woundedwarriorproject.org | Nonprofits & NGOs | 501–1,000 | United States |
Puratos puratos.com | Food & Beverage (CPG / manufacturing) | 10,001+ | Belgium |
Phillips 66 phillips66.com | Oil, Gas & Mining | 10,001+ | United States |
The University of Texas at Arlington uta.edu | K-12 & Higher Education | 1,001–5,000 | United States |
University of South Carolina sc.edu | Higher Education | 10,001+ | United States |
Design Milk design-milk.com | Architecture & Design | 11–50 | United States |
The Manchester Metropolitan University mmu.ac.uk | K-12 & Higher Education | 1,001–5,000 | United Kingdom |
University at Buffalo buffalo.edu | K-12 & Higher Education | 5,001–10,000 | United States |
Syracuse University syracuse.edu | K-12 & Higher Education | 1,001–5,000 | United States |
University of Oklahoma ou.edu | Higher Education | 1,001–5,000 | United States |
Dollar Tree Stores careers.dollartree.com | Retail (physical / general) | 10,001+ | United States |
Miami Dade College mdc.edu | K-12 & Higher Education | 5,001–10,000 | United States |
The University of Texas at Dallas utdallas.edu | Higher Education | 1,001–5,000 | United States |
Worldwide Clinical Trials worldwide.com | Biotech & Life Sciences | 1,001–5,000 | United States |
Alzheimer's Association® alz.org | Nonprofits & NGOs | 1,001–5,000 | United States |
West Virginia University wvu.edu | Higher Education | 5,001–10,000 | United States |
University of Delaware udel.edu | Higher Education | 1,001–5,000 | United States |
Rochester Institute of Technology rit.edu | Higher Education | 1,001–5,000 | United States |
Kennesaw State University kennesaw.edu | Higher Education | 1,001–5,000 | 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 Simpli.fi tag and who removed it. Book a call and we'll walk you through it.
Book a call →company_tech on gtm.dev →Simpli.fi advertisers: common questions
Is this the total number of Simpli.fi advertisers?
No. We detected the Simpli.fi tag on 6,851 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 Simpli.fi?
In our comparison panel, 21% of sites with the Viant tag also carry the Simpli.fi tag, against 1.0% of the full panel. Next come Basis (16%), Nextdoor Ads (15%) and MediaMath (14%).
Which companies use Simpli.fi for advertising?
They include GE HealthCare, FedEx, CGI, Nokia and Micron Technology. The table on this page lists more.
How does Simpli.fi compare to other ad platforms?
Within our 468,601-site tag-manager panel, Simpli.fi ranks #5 of 19 DSP and programmatic platforms by detected sites — ahead of Xandr Invest, Criteo, Yahoo DSP, Adform and Quantcast, behind Google DV360, The Trade Desk, StackAdapt and AdRoll.
More advertiser studies
Put the research to work
Selling to Simpli.fi advertisers — as a platform, agency or ad-tech vendor? Talk to us about finding the companies and marketing teams that fit your business.