Company lists · Data verified August 2026

Top 25 Cloud pbx companies based in Canada

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 120 companies tracked

There are 120 cloud pbx companies headquartered in Canada (RevenueBase, August 2026). RevenueBase tracks 1,144 professional contacts across them, including 493 with verified work emails and 253 with mobile numbers. Toronto is the largest hub.

This list covers cloud pbx 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.

120Companies

1,144Contacts tracked

493Verified emails

253Mobile numbers

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The 25 largest cloud pbx companies based in Canada

Ranked by team size

Top 25 of 120 cloud pbx 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	Sangoma	Markham, ON	201-500	449	305
2	voip.ms	Terrebonne, QC	51-200	50	22
3	Speechlogix Group	Oakville, ON	51-200	47	1
4	Thinktel Communications	Edmonton, AB	201-500	28	9
5	Counterpath, An Alianza Company	Ottawa, ON	51-200	28	8
6	Unitedcloud INC	Chestermere, AB	11-50	24	14
7	Thinkingphones	Kanata, ON	501-1,000	24	2
8	Introtel	St Laurent, QC	11-50	23	9
9	Telecom Metric INC	Kingston, ON	11-50	18	15
10	Yovu Office Phone	London, ON	11-50	18	13
11	Voysis	Laval, QC	11-50	18	10
12	Callture INC	Mississauga, ON	11-50	16	9
13	Lotustelco INC	Mississauga, ON	11-50	15	4
14	Stratovox	Toronto, ON	11-50	14	1
15	Ringoffice	Markham, ON	11-50	12	7
16	SE Telecom. Providing White-Label & End-Users Flexible Cloud Phone Systems	Newmarket, ON	11-50	12	3
17	Selectcom	Ottawa, ON	51-200	10	5
18	Altitude Communications	Calgary, AB	11-50	8	5
19	Nexco Networks	Montreal, QC	11-50	7	5
20	Voxter Communications	Vancouver, BC	11-50	6	3
21	Slingshot Communications	Toronto, ON	11-50	5	2
22	Telephonica	Montreal, QC	11-50	5	1
23	Spinnaker Communications INC	Toronto, ON	11-50	4	4
24	Corvum	Vancouver, BC	11-50	3	2
25	International Telephone Products LTD	Mississauga, ON	51-200	3	1

Showing 25 of 120 cloud pbx companies based in Canada

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Cloud pbx companies based in Canada at a glance

As of Aug 28, 2026

11-50Median size (employees)

TorontoLargest hub · 18 HQs

253Contacts with mobile numbers

2Emails 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

Cloud pbx companies by metro

Metro	Companies
Cloud pbx companies in Toronto	18
Cloud pbx companies in Montreal	12
Cloud pbx companies in Mississauga	9
Cloud pbx companies in Calgary	7
Cloud pbx companies in Vancouver	7
Cloud pbx companies in Markham	5
Cloud pbx companies in Ottawa	4
Cloud pbx companies in Brampton	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 pbx 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; 2 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 pbx companies are there based in Canada?

There are 120 cloud pbx companies headquartered in Canada as of August 2026 (RevenueBase).

What is the largest company on this list?

Sangoma, headquartered in Markham, tops this list with the largest team on record.

Which city has the most cloud pbx companies?

Toronto leads with 18 headquartered companies, followed by Montreal (12) and Mississauga (9).

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 493 verified decision-maker contacts tracked across these 120 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.