Company lists · Data verified August 2026
Top 25 Advertising technology platforms based in Toronto, Canada
There are 105 advertising technology platforms headquartered in Toronto, Canada (RevenueBase, August 2026). RevenueBase tracks 4,060 professional contacts across them, including 1,645 with verified work emails and 752 with mobile numbers. Toronto is the largest hub.
This list covers advertising technology platforms headquartered in Toronto, Canada, 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 25 largest advertising technology platforms based in Toronto, Canada
Ranked by team size| # | Company | Verified emails |
|---|---|---|
| 1 | 1,084 | |
| 2 | 23 | |
| 3 | 108 | |
| 4 | 99 | |
| 5 | 64 | |
| 6 | 5 | |
| 7 | Outedge Media Canada | 6 |
| 8 | NOVA | 17 |
| 9 | 26 | |
| 10 | 14 | |
| 11 | PDI | 13 |
| 12 | 14 | |
| 13 | 15 | |
| 14 | Connected Interactive | 12 |
| 15 | 11 | |
| 16 | 9 | |
| 17 | 6 | |
| 18 | 5 | |
| 19 | 3 | |
| 20 | 5 | |
| 21 | 4 | |
| 22 | 1 | |
| 23 | 5 | |
| 24 | 7 | |
| 25 | 6 |
Showing 25 of 105 advertising technology platforms based in Toronto, Canada
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Advertising technology platforms based in Toronto, Canada at a glance
As of Aug 28, 2026Companies by employee count
Advertising technology platforms by metro in Canada
| Metro | Companies |
|---|---|
| Advertising technology platforms in Toronto | 105 |
| Advertising technology platforms in Montreal | 38 |
| Advertising technology platforms in Vancouver | 26 |
| Advertising technology platforms in Ottawa | 8 |
| Advertising technology platforms in Victoria | 7 |
| Advertising technology platforms in Calgary | 5 |
| Advertising technology platforms in Mississauga | 5 |
| Advertising technology platforms in Vaughan | 4 |
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 “advertising technology platforms”, with match quality audited by blind human judging, and headquartered in Toronto, Canada.
- 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; 11 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 advertising technology platforms are there based in Toronto, Canada?
There are 105 advertising technology platforms headquartered in Toronto, Canada as of August 2026 (RevenueBase).
What is the largest company on this list?
Stackadapt, headquartered in Toronto, tops this list with the largest team on record.
Which city has the most advertising technology platforms?
Toronto leads with 105 headquartered companies, followed by Montreal (38) and Vancouver (26).
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 1,645 verified decision-maker contacts tracked across these 105 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.
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