Company lists · Data verified August 2026

Top 25 Ad tech consulting firms based in Montreal, Canada

Name: Ad tech consulting firms based in Montreal, Canada
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 52 companies tracked

There are 52 ad tech consulting firms headquartered in Montreal, Canada (RevenueBase, August 2026). RevenueBase tracks 688 professional contacts across them, including 283 with verified work emails and 88 with mobile numbers. Toronto is the largest hub.

This list covers ad tech consulting firms 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.

52Companies

688Contacts tracked

283Verified emails

88Mobile numbers

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The 25 largest ad tech consulting firms based in Montreal, Canada

Ranked by team size

Top 25 of 52 ad tech consulting firms 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	Essencemediacom Canada	Montreal, QC	201-500	100	36
2	Optable	Montreal	51-200	61	38
3	Trafficjunky	Montreal, QC	201-500	27	2
4	ALEIA	Montreal	11-50	25	10
5	GLO	Montreal, QC	1-10	23	4
6	Growth Hacker	Montreal, QC	11-50	21	2
7	Fidelitix	Montreal, QC	11-50	15	2
8	Sofiapulse	Montreal, QC	11-50	14	6
9	Canspan BMG INC	Montreal, QC	11-50	13	10
10	Atedra	Montreal, QC	11-50	10	7
11	Hivestack By Perion	Montreal, QC	51-200	8	8
12	NÜ Programmatique	Montreal, QC	1-10	8	2
13	Brīt Klik	Montreal, QC	1-10	5	5
14	Artisan Marketing	Montreal, QC	1-10	4	3
15	Blind Ferret	Montreal, QC	11-50	4	1
16	Sixela Online Advertising INC	Montreal, QC	11-50	4	1
17	Atelier LA Presse	Montreal, QC	201-500	3	2
18	Varios Media	Montreal	1-10	3	2
19	OPN LAB	Montreal, QC	1-10	2	2
20	ZDG Media	Montreal	11-50	2	1
21	PWS Canada INC	Montreal, QC	1-10	2	1
22	Superquanti	Montreal	1-10	1	1
23	Olea Studio	Montreal	1-10	1	1
24	Ascension Numérique	Montreal, QC	1-10	1	1
25	Manuri Stratégies	Montreal, QC	1-10	1	1

Showing 25 of 52 ad tech consulting firms based in Montreal, Canada

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Ad tech consulting firms based in Montreal, Canada at a glance

As of Aug 28, 2026

1-10Median size (employees)

TorontoLargest hub · 180 HQs

88Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

Ad tech consulting firms by metro in Canada

Metro	Companies
Ad tech consulting firms in Toronto	180
Ad tech consulting firms in Vancouver	55
Ad tech consulting firms in Montreal	52
Ad tech consulting firms in Calgary	30
Ad tech consulting firms in Ottawa	18
Ad tech consulting firms in Mississauga	13
Ad tech consulting firms in Edmonton	10
Ad tech consulting firms in Halifax	10

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 consulting firms”, 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 ad tech consulting firms are there based in Montreal, Canada?

There are 52 ad tech consulting firms headquartered in Montreal, Canada as of August 2026 (RevenueBase).

What is the largest company on this list?

Essencemediacom Canada, headquartered in Montreal, tops this list with the largest team on record.

Which city has the most ad tech consulting firms?

Toronto leads with 180 headquartered companies, followed by Vancouver (55) and Montreal (52).

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 283 verified decision-maker contacts tracked across these 52 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.