Company lists · Data verified August 2026

Top 25 Ad tech software companies based in Canada

Name: Ad tech software companies based in Canada
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 210 companies tracked

There are 210 ad tech software companies headquartered in Canada (RevenueBase, August 2026). RevenueBase tracks 5,154 professional contacts across them, including 1,965 with verified work emails and 822 with mobile numbers. Toronto is the largest hub.

This list covers ad tech software companies headquartered in 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.

210Companies

5,154Contacts tracked

1,965Verified emails

822Mobile numbers

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The 25 largest ad tech software companies based in Canada

Ranked by team size

Top 25 of 210 ad tech software companies based in Canada, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Stackadapt	Toronto, ON	1,001-5,000	1,617	1,084
2	Centro	Toronto, ON	501-1,000	1,174	23
3	Accel Digital AD Operations	Toronto, ON	201-500	246	108
4	Thrive Digital	Vancouver, BC	51-200	159	54
5	Monetizemore	White Rock, BC	51-200	99	23
6	Loknow	Vancouver, BC	51-200	72	46
7	IONIK	Toronto, ON	201-500	70	5
8	Optable	Montreal	51-200	61	38
9	Globalwide Media	Victoria, BC	51-200	43	26
10	Mundomedia LTD	Richmond Hill, ON	51-200	42	2
11	KIDOZ	Vancouver, BC	51-200	40	29
12	VOVIA	Calgary, AB	11-50	39	22
13	Acquisio	Brossard, QC	11-50	39	7
14	WAR Room	Vancouver, BC	11-50	38	20
15	Responsiveads	Vancouver, BC	11-50	36	19
16	Adbutler	Victoria	11-50	31	6
17	Blockthrough	Toronto, ON	11-50	29	14
18	PDI	Toronto, ON	11-50	29	13
19	JBF Digital Marketing	Mississauga, ON	51-200	28	8
20	Trafficjunky	Montreal, QC	201-500	27	2
21	Dandelion INC	Toronto, ON	11-50	24	14
22	brax.io	Vancouver, BC	11-50	22	1
23	Apex Mobile Media	Montreal, QC	11-50	21	11
24	Billboardplanet	Vancouver	51-200	20	8
25	Sourceknowledge	Montreal, QC	11-50	20	6

Showing 25 of 210 ad tech software companies based in Canada

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Ad tech software companies based in Canada at a glance

As of Aug 28, 2026

11-50Median size (employees)

TorontoLargest hub · 82 HQs

822Contacts with mobile numbers

7Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Ad tech software companies by metro

Metro	Companies
Ad tech software companies in Toronto	82
Ad tech software companies in Montreal	24
Ad tech software companies in Vancouver	21
Ad tech software companies in Calgary	9
Ad tech software companies in Victoria	8
Ad tech software companies in Ottawa	5
Ad tech software companies in Mississauga	5

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 software companies”, with match quality audited by blind human judging, and headquartered in 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; 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 software companies are there based in Canada?

There are 210 ad tech software companies headquartered in 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 ad tech software companies?

Toronto leads with 82 headquartered companies, followed by Montreal (24) and Vancouver (21).

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 1,965 verified decision-maker contacts tracked across these 210 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.