Company lists · Data verified August 2026

Top 25 Customer service call centers based in Canada

There are 97 customer service call centers headquartered in Canada (RevenueBase, August 2026). RevenueBase tracks 3,562 professional contacts across them, including 444 with verified work emails and 127 with mobile numbers. Toronto is the largest hub.

This list covers customer service call centers 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.

97Companies
3,562Contacts tracked
444Verified emails
127Mobile numbers
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The 25 largest customer service call centers based in Canada

Ranked by team size
Top 25 of 97 customer service call centers based in Canada, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#CompanyHQEmployeesContactsVerified emails
1Gexel TelecomTrois-Rivieres, QC501-1,00058460
2Blue Ocean Contact CentersHalifax, NS501-1,000370106
3Optima Communications InternationalMontreal, QC501-1,0003029
4VoxdataMontreal, QC201-50024411
5Zedd Customer Solutions INCToronto, ON501-1,00020617
6The Sydney Call CentreSydney, NS1,001-5,00018511
7Voysus Connection ExpertsToronto, ON51-20014627
8AnswerplusEdmonton, AB201-50011115
9Stafford Communications GroupRothesay, NB51-2008219
10Line ONE Contact Centres INCCalgary, AB201-5005716
11Simpro Solutions CanadaToronto, ON501-1,0005110
12Call Center GuysFredericton, NB51-200476
13Groupe Marketing InternationalLaval, QC51-200471
14I24 Call Management SolutionsMontreal, QC51-2004115
15Group EliteLaval, QC51-2003723
16On Call CentreOttawa, ON11-503512
17Groupe TGn/a1,001-5,000287
18Extend CommunicationsBrantford, ON51-200277
19UplevelStratford, ON51-200257
20TelmatikBoucherville, QC51-200246
21Answer 365Halifax, NS51-200243
22Ecom Customer Care INCWinnipeg51-200234
23Idea Factor INCBurlington, ON11-501911
24KPI ConnectWinnipeg, MB201-500172
25Dynamic Marketing Solutions INCMontreal, QC51-200164

Showing 25 of 97 customer service call centers based in Canada

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Customer service call centers based in Canada at a glance

As of Aug 28, 2026
51-200Median size (employees)
TorontoLargest hub · 17 HQs
127Contacts with mobile numbers
0Emails re-verified in last 30 days

Companies by employee count

1-10
14
11-50
22
51-200
38
201-500
6
501-1,000
9
1,001-5,000
5
10001+
1

Customer service call centers by metro

MetroCompanies
Customer service call centers in Toronto17
Customer service call centers in Montreal11
Customer service call centers in Calgary6
Customer service call centers in Ottawa4
Customer service call centers in Fredericton3
Customer service call centers in Vancouver3
Customer service call centers in Laval3
Customer service call centers in Winnipeg3

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 “customer service call centers”, 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; 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 customer service call centers are there based in Canada?

There are 97 customer service call centers headquartered in Canada as of August 2026 (RevenueBase).

What is the largest company on this list?

Gexel Telecom, headquartered in Trois-Rivieres, tops this list with the largest team on record.

Which city has the most customer service call centers?

Toronto leads with 17 headquartered companies, followed by Montreal (11) and Calgary (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 444 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.

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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.