Company lists · Data verified August 2026

Top 25 B2B marketing consulting agencies based in Ottawa, Canada

Name: B2B marketing consulting agencies based in Ottawa, Canada
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 97 companies tracked

There are 97 B2B marketing consulting agencies headquartered in Ottawa, Canada (RevenueBase, August 2026). RevenueBase tracks 434 professional contacts across them, including 130 with verified work emails and 38 with mobile numbers. Toronto is the largest hub.

This list covers B2B marketing consulting agencies headquartered in Ottawa, 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.

97Companies

434Contacts tracked

130Verified emails

38Mobile numbers

Unlock all 97 companies Free account · no credit card · 2 minutes

The 25 largest B2B marketing consulting agencies based in Ottawa, Canada

Ranked by team size

Top 25 of 97 B2B marketing consulting agencies based in Ottawa, 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	Onpath Business Solutions	Ottawa, ON	51-200	46	1
2	Acart Communications	Ottawa, ON	51-200	42	27
3	DMT Business Development	Ottawa, ON	51-200	37	4
4	Cinnamon Toast	Ottawa, ON	11-50	34	16
5	Initiate Marketing	Ottawa, ON	11-50	16	10
6	Gordongroup Taag	Ottawa, ON	11-50	12	4
7	Sequence Marketing	Ottawa, ON	1-10	12	1
8	Mediaforce Digital Marketing	Ottawa, ON	11-50	11	7
9	20eight Digital	Ottawa, ON	11-50	9	4
10	mymarketing.io	Ottawa, ON	11-50	8	4
11	Target Insight	Ottawa, ON	1-10	8	1
12	WSI Estrategies	Ottawa, ON	11-50	7	5
13	Aragona Agency	Ottawa, ON	11-50	7	5
14	Extension Marketing INC	Ottawa, ON	11-50	7	3
15	Meerkat Marketing	Ottawa, ON	1-10	6	3
16	LRO Solutions	Ottawa, ON	1-10	5	4
17	Kolo Agency	Ottawa, ON	1-10	5	1
18	Prosar Inbound INC	Ottawa, ON	1-10	4	1
19	Birchmark	Ottawa, ON	1-10	3	3
20	Marketing Breakthroughs	Ottawa, ON	11-50	3	2
21	Pondstone Digital Marketing	Ottawa, ON	1-10	3	2
22	Solv Advisors	Ottawa, ON	1-10	3	1
23	MPH Agency	Ottawa, ON	11-50	2	2
24	Zinc Marketing	Ottawa, ON	1-10	2	2
25	Platform Marketing Consulting	Ottawa, ON	1-10	2	1

Showing 25 of 97 B2B marketing consulting agencies based in Ottawa, Canada

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 130 reachable decision-makers.

Free account · no credit card

See all 97 companies

B2B marketing consulting agencies based in Ottawa, Canada at a glance

As of Aug 28, 2026

1-10Median size (employees)

TorontoLargest hub · 859 HQs

38Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

B2B marketing consulting agencies by metro in Canada

Metro	Companies
B2B marketing consulting agencies in Toronto	859
B2B marketing consulting agencies in Vancouver	289
B2B marketing consulting agencies in Montreal	284
B2B marketing consulting agencies in Calgary	227
B2B marketing consulting agencies in Ottawa	97
B2B marketing consulting agencies in Mississauga	95
B2B marketing consulting agencies in Edmonton	94
B2B marketing consulting agencies in Winnipeg	55

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 marketing consulting agencies”, with match quality audited by blind human judging, and headquartered in Ottawa, 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; 0 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 marketing consulting agencies are there based in Ottawa, Canada?

There are 97 B2B marketing consulting agencies headquartered in Ottawa, Canada as of August 2026 (RevenueBase).

What is the largest company on this list?

Onpath Business Solutions, headquartered in Ottawa, tops this list with the largest team on record.

Which city has the most B2B marketing consulting agencies?

Toronto leads with 859 headquartered companies, followed by Vancouver (289) and Montreal (284).

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 130 verified decision-maker contacts tracked across these 97 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 97 B2B marketing consulting agencies based in Ottawa, Canada. Start with a free account, no credit card.

Get the full list

Related lists

B2B marketing consulting agencies by geography

Browse the directory

Browse: Companies home · B2B marketing consulting agencies in Canada · All Canada lists · All B2B marketing consulting 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.