Company lists · Data verified August 2026
Top 20 Ad tech platforms based in Denver, United States
There are 37 ad tech platforms headquartered in Denver, United States (RevenueBase, August 2026). RevenueBase tracks 922 professional contacts across them, including 610 with verified work emails and 477 with mobile numbers. New York is the largest hub.
This list covers ad tech platforms headquartered in Denver, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.
The 20 largest ad tech platforms based in Denver, United States
Ranked by team size| # | Company | Verified emails |
|---|---|---|
| 1 |  Viant Technology | 336 |
| 2 |  Adcellerant | 129 |
| 3 |  Lineup Systems | 50 |
| 4 |  Choozle | 34 |
| 5 |  Ifficient | 10 |
| 6 |  Decentrix INC | 13 |
| 7 |  Indicue | 4 |
| 8 |  Consultv | 5 |
| 9 |  Rambunctious Rhino | 7 |
| 10 | Ventura Growth | 6 |
| 11 |  Smash Loud, LLC | 1 |
| 12 |  Project AD Ops, LLC | 3 |
| 13 |  Gogo CTV | 2 |
| 14 |  Mantis AD Network | 3 |
| 15 |  Adwora | 1 |
| 16 |  Mediagravy | 2 |
| 17 |  Elevated Media INC | 1 |
| 18 |  OAK Barrel Media, LLC | 1 |
| 19 |  Pubteck | 1 |
| 20 |  Battlegroundai | 1 |
Showing 20 of 37 ad tech platforms based in Denver, United States
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Ad tech platforms based in Denver, United States at a glance
As of Aug 28, 2026Companies by employee count
Ad tech platforms by metro in the United States
| Metro | Companies |
|---|---|
| Ad tech platforms in New York | 401 |
| Ad tech platforms in San Francisco | 124 |
| Ad tech platforms in Los Angeles | 110 |
| Ad tech platforms in Miami | 76 |
| Ad tech platforms in Chicago | 50 |
| Ad tech platforms in Sheridan | 42 |
| Ad tech platforms in Denver | 37 |
How this list was built
- Source
- The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
- Inclusion
- Companies whose own business descriptions match “ad tech platforms”, with match quality audited by blind human judging, and headquartered in Denver, United States.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Contact records re-verify on a rolling cadence; 7 contacts on this list were re-verified in the last 30 days.
- Refresh
- Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.
Frequently asked
How many ad tech platforms are there based in Denver, United States?
There are 37 ad tech platforms headquartered in Denver, United States as of August 2026 (RevenueBase).
What is the largest company on this list?
Viant Technology, headquartered in Denver, tops this list with the largest team on record.
Which city has the most ad tech platforms?
New York leads with 401 headquartered companies, followed by San Francisco (124) and Los Angeles (110).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 610 verified decision-maker contacts tracked across these 37 companies.
How current is this list?
The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.
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About this data
RevenueBase is a B2B contact data platform. Its company graph covers 21.3 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph, the same data that powers RevenueBase's B2B data products and the free research portal.