Company lists · Data verified August 2026

Top 21 Advertising technology platforms based in Montreal, Canada

Name: Advertising technology platforms based in Montreal, Canada
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 38 companies tracked

There are 38 advertising technology platforms headquartered in Montreal, Canada (RevenueBase, August 2026). RevenueBase tracks 907 professional contacts across them, including 491 with verified work emails and 135 with mobile numbers. Toronto is the largest hub.

This list covers advertising technology platforms headquartered in Montreal, 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.

38Companies

907Contacts tracked

491Verified emails

135Mobile numbers

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The 21 largest advertising technology platforms based in Montreal, Canada

Ranked by team size

Top 21 of 38 advertising technology platforms based in Montreal, 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	Broadsign	Montreal, QC	201-500	276	191
2	Optable	Montreal	51-200	61	38
3	Klever	Montreal, QC	51-200	42	31
4	Lanla By Publipage INC	Montreal, QC	51-200	37	19
5	Trafficjunky	Montreal, QC	201-500	27	2
6	Apex Mobile Media	Montreal, QC	11-50	21	11
7	Sourceknowledge	Montreal, QC	11-50	20	6
8	a4g.com	Montreal, QC	11-50	19	2
9	Bell Media Advertising Sales	Montreal	n/a	18	9
10	Mediatonik	Montreal, QC	1-10	15	9
11	Sofiapulse	Montreal, QC	11-50	14	6
12	Atedra	Montreal, QC	11-50	10	7
13	Hivestack By Perion	Montreal, QC	51-200	8	8
14	Omerlo	Montreal, QC	11-50	8	5
15	NÜ Programmatique	Montreal, QC	1-10	8	2
16	Quanticmind	Montreal, QC	51-200	7	1
17	Brīt Klik	Montreal, QC	1-10	5	5
18	Varios Media	Montreal	1-10	3	2
19	Mobicow	Montreal, QC	1-10	1	1
20	Ascension Numérique	Montreal, QC	1-10	1	1
21	tareq.ca	Montreal, QC	1-10	1	1

Showing 21 of 38 advertising technology platforms based in Montreal, Canada

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 491 reachable decision-makers.

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Advertising technology platforms based in Montreal, Canada at a glance

As of Aug 28, 2026

11-50Median size (employees)

TorontoLargest hub · 105 HQs

135Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

10001+

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 Montreal, 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; 1 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 Montreal, Canada?

There are 38 advertising technology platforms headquartered in Montreal, Canada as of August 2026 (RevenueBase).

What is the largest company on this list?

Broadsign, headquartered in Montreal, 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 491 verified decision-maker contacts tracked across these 38 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.