Company lists · Data verified August 2026

Top 25 Cloud communications companies based in Canada

Name: Cloud communications companies based in Canada
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 94 companies tracked

There are 94 cloud communications companies headquartered in Canada (RevenueBase, August 2026). RevenueBase tracks 161,197 professional contacts across them, including 14,158 with verified work emails and 37,069 with mobile numbers. Toronto is the largest hub.

This list covers cloud communications companies headquartered in 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.

94Companies

161,197Contacts tracked

14,158Verified emails

37,069Mobile numbers

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The 25 largest cloud communications companies based in Canada

Ranked by team size

Top 25 of 94 cloud communications companies based in 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	Amazon WEB Services AWS	Vancouver, BC	10001+	155,676	12,281
2	MITEL	Kanata, ON	1,001-5,000	3,453	1,199
3	Allstream	Vancouver, BC	501-1,000	481	90
4	Sangoma	Markham, ON	201-500	449	305
5	Uniserve Communications Corporation	Vancouver, BC	n/a	226	1
6	Dove Soft LTD	Winnipeg, MB	51-200	163	30
7	Hornbill	Vancouver	51-200	86	53
8	Star Telecom	Richmond Hill, ON	51-200	62	28
9	voip.ms	Terrebonne, QC	51-200	50	22
10	Speechlogix Group	Oakville, ON	51-200	47	1
11	Thinktel Communications	Edmonton, AB	201-500	28	9
12	Counterpath, An Alianza Company	Ottawa, ON	51-200	28	8
13	Unitedcloud INC	Chestermere, AB	11-50	24	14
14	Aizan Technologies INC	Toronto, ON	11-50	24	12
15	Thinkingphones	Kanata, ON	501-1,000	24	2
16	Introtel	St Laurent, QC	11-50	23	9
17	Yovu Office Phone	London, ON	11-50	18	13
18	Voysis	Laval, QC	11-50	18	10
19	Lotustelco INC	Mississauga, ON	11-50	15	4
20	Branttel Networks	Burlington, ON	51-200	15	2
21	Accutel INC	Toronto, ON	11-50	13	2
22	Ringoffice	Markham, ON	11-50	12	7
23	SE Telecom. Providing White-Label & End-Users Flexible Cloud Phone Systems	Newmarket, ON	11-50	12	3
24	Glomero	Levis, QC	11-50	11	4
25	Selectcom	Ottawa, ON	51-200	10	5

Showing 25 of 94 cloud communications companies based in Canada

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Cloud communications companies based in Canada at a glance

As of Aug 28, 2026

11-50Median size (employees)

TorontoLargest hub · 18 HQs

37,069Contacts with mobile numbers

315Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

10001+

Cloud communications companies by metro

Metro	Companies
Cloud communications companies in Toronto	18
Cloud communications companies in Montreal	8
Cloud communications companies in Vancouver	6
Cloud communications companies in Markham	5
Cloud communications companies in Mississauga	5
Cloud communications companies in Richmond Hill	3
Cloud communications companies in Ottawa	3
Cloud communications companies in Kanata	3

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 “cloud communications companies”, with match quality audited by blind human judging, and headquartered in 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; 315 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 cloud communications companies are there based in Canada?

There are 94 cloud communications companies headquartered in Canada as of August 2026 (RevenueBase).

What is the largest company on this list?

Amazon WEB Services AWS, headquartered in Vancouver, tops this list with the largest team on record.

Which city has the most cloud communications companies?

Toronto leads with 18 headquartered companies, followed by Montreal (8) and Vancouver (6).

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 14,158 verified decision-maker contacts tracked across these 94 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.