Company lists · Data verified August 2026

Top 25 Advertising consulting firms based in Toronto, Canada

Name: Advertising consulting firms based in Toronto, Canada
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 631 companies tracked

There are 631 advertising consulting firms headquartered in Toronto, Canada (RevenueBase, August 2026). RevenueBase tracks 4,009 professional contacts across them, including 1,095 with verified work emails and 419 with mobile numbers. Toronto is the largest hub.

This list covers advertising consulting firms 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.

631Companies

4,009Contacts tracked

1,095Verified emails

419Mobile numbers

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The 25 largest advertising consulting firms based in Toronto, Canada

Ranked by team size

Top 25 of 631 advertising consulting firms based in Toronto, 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	Laboratory	Toronto, ON	n/a	355	1
2	The Hive	Toronto, ON	51-200	241	44
3	Saatchi & Saatchi Canada	Toronto, ON	51-200	158	92
4	Havas CX Canada	Toronto, ON	51-200	158	45
5	Battery	Toronto, ON	51-200	157	26
6	Touché	Toronto, ON	51-200	123	54
7	Cundari	Toronto, ON	51-200	56	12
8	Context Creative	Toronto, ON	11-50	53	40
9	John ST	Toronto, ON	51-200	53	7
10	Elemental	Toronto, ON	11-50	42	20
11	ONE Core Media	Toronto, ON	51-200	40	21
12	leverage.it	Toronto, ON	51-200	37	22
13	Creative Currency	Toronto, ON	11-50	36	26
14	The Garden Agency	Toronto, ON	11-50	28	19
15	JAC We Create	Toronto, ON	11-50	26	19
16	Find Your Audience	Toronto, ON	11-50	21	5
17	Bbdo Canada	Toronto, ON	201-500	20	6
18	Btmarketing	Toronto, ON	11-50	20	5
19	Cosmic Design	Toronto, ON	11-50	18	9
20	Utopiads	Toronto, ON	11-50	18	5
21	King Ursa	Toronto, ON	11-50	18	3
22	Borealis Creative	Toronto, ON	11-50	16	7
23	Social Seed	Toronto, ON	11-50	16	7
24	Titus ONE	Toronto, ON	11-50	14	10
25	Britebirch Collective	Toronto, ON	51-200	14	1

Showing 25 of 631 advertising consulting firms based in Toronto, Canada

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Advertising consulting firms based in Toronto, Canada at a glance

As of Aug 28, 2026

1-10Median size (employees)

TorontoLargest hub · 631 HQs

419Contacts with mobile numbers

5Emails re-verified in last 30 days

Companies by employee count

1-10

461

11-50

145

51-200

201-500

5,001-10,000

Advertising consulting firms by metro in Canada

Metro	Companies
Advertising consulting firms in Toronto	631
Advertising consulting firms in Vancouver	200
Advertising consulting firms in Montreal	200
Advertising consulting firms in Calgary	160
Advertising consulting firms in Edmonton	79
Advertising consulting firms in Ottawa	68
Advertising consulting firms in Mississauga	55
Advertising consulting firms in Quebec	43

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 consulting firms”, 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; 5 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 consulting firms are there based in Toronto, Canada?

There are 631 advertising consulting firms headquartered in Toronto, Canada as of August 2026 (RevenueBase).

What is the largest company on this list?

Laboratory, headquartered in Toronto, tops this list with the largest team on record.

Which city has the most advertising consulting firms?

Toronto leads with 631 headquartered companies, followed by Vancouver (200) and Montreal (200).

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 1,095 verified decision-maker contacts tracked across these 631 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.