Company lists · Data verified August 2026

Top 20 B2B SEO agencies based in Montreal, Canada

Name: B2B SEO agencies based in Montreal, Canada
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 54 companies tracked

There are 54 B2B SEO agencies headquartered in Montreal, Canada (RevenueBase, August 2026). RevenueBase tracks 275 professional contacts across them, including 86 with verified work emails and 26 with mobile numbers. Toronto is the largest hub.

This list covers B2B SEO agencies 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.

54Companies

275Contacts tracked

86Verified emails

26Mobile numbers

Unlock all 54 companies Free account · no credit card · 2 minutes

The 20 largest B2B SEO agencies based in Montreal, Canada

Ranked by team size

Top 20 of 54 B2B SEO agencies 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	Agence Leadstream	Montreal, QC	11-50	38	21
2	Rankworks	Montreal, QC	11-50	30	4
3	Webtmize	Montreal, QC	11-50	28	19
4	MY Little BIG WEB Agence WEB	Montreal, QC	11-50	28	9
5	Rablab Performance On Search Engines	Montreal, QC	11-50	16	1
6	Cardigan	Montreal, QC	11-50	15	10
7	Manticore Marketing	Montreal, QC	1-10	8	2
8	Guaranteed SEO	Montreal, QC	11-50	7	5
9	SEO Canada Services	Montreal, QC	1-10	6	1
10	PH Digital	Montreal, QC	1-10	6	1
11	Asteur	Montreal, QC	1-10	4	3
12	Webtarget INC	Montreal, QC	1-10	3	1
13	Optimumweb	Montreal, QC	1-10	3	1
14	PRAGM	Montreal, QC	1-10	2	2
15	Rehabilyze Marketing	Montreal	1-10	2	1
16	Your Digital Compass	Montreal, QC	1-10	2	1
17	SEO Troop	Montreal, QC	11-50	1	1
18	Apex WEB PRO	Montreal, QC	1-10	1	1
19	Bnurture B2B Marketing Agency Montreal	Montreal, QC	1-10	1	1
20	YAK Media	Montreal, QC	1-10	1	1

Showing 20 of 54 B2B SEO agencies based in Montreal, Canada

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 86 reachable decision-makers.

Free account · no credit card

See all 54 companies

B2B SEO agencies based in Montreal, Canada at a glance

As of Aug 28, 2026

1-10Median size (employees)

TorontoLargest hub · 164 HQs

26Contacts with mobile numbers

3Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

B2B SEO agencies by metro in Canada

Metro	Companies
B2B SEO agencies in Toronto	164
B2B SEO agencies in Vancouver	60
B2B SEO agencies in Montreal	54
B2B SEO agencies in Calgary	52
B2B SEO agencies in Edmonton	22
B2B SEO agencies in Mississauga	22
B2B SEO agencies in Ottawa	20
B2B SEO agencies in Brampton	16

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 “B2B SEO agencies”, 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; 3 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 B2B SEO agencies are there based in Montreal, Canada?

There are 54 B2B SEO agencies headquartered in Montreal, Canada as of August 2026 (RevenueBase).

What is the largest company on this list?

Agence Leadstream, headquartered in Montreal, tops this list with the largest team on record.

Which city has the most B2B SEO agencies?

Toronto leads with 164 headquartered companies, followed by Vancouver (60) and Montreal (54).

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 86 verified decision-maker contacts tracked across these 54 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.

Ready to reach these companies? Verified emails and direct dials for all 54 B2B SEO agencies based in Montreal, Canada. Start with a free account, no credit card.

Get the full list

Related lists

B2B SEO agencies by geography

Browse the directory

Browse: Companies home · B2B SEO agencies in Canada · All Canada lists · All B2B SEO agencies lists · New lists

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.