Company lists · Data verified August 2026

Top 22 Customer retention call centers based in Canada

Name: Customer retention call centers based in Canada
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 52 companies tracked

There are 52 customer retention call centers headquartered in Canada (RevenueBase, August 2026). RevenueBase tracks 1,476 professional contacts across them, including 243 with verified work emails and 38 with mobile numbers. Toronto is the largest hub.

This list covers customer retention 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.

52Companies

1,476Contacts tracked

243Verified emails

38Mobile numbers

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The 22 largest customer retention call centers based in Canada

Ranked by team size

Top 22 of 52 customer retention 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.
#	Company	HQ	Employees	Contacts	Verified emails
1	Singlepoint Group International INC	North York, ON	1,001-5,000	301	134
2	Voxdata	Montreal, QC	201-500	244	11
3	Zedd Customer Solutions INC	Toronto, ON	501-1,000	206	17
4	The Sydney Call Centre	Sydney, NS	1,001-5,000	185	11
5	Simpro Solutions Canada	Toronto, ON	501-1,000	51	10
6	Call Center Guys	Fredericton, NB	51-200	47	6
7	Groupe Marketing International	Laval, QC	51-200	47	1
8	Groupe TG	n/a	1,001-5,000	28	7
9	Uplevel	Stratford, ON	51-200	25	7
10	Performance HIT Solution	Longueuil, QC	51-200	25	5
11	Fino Research And Client Relations	Sherbrooke, QC	51-200	24	11
12	Telmatik	Boucherville, QC	51-200	24	6
13	Dynamic Marketing Solutions INC	Montreal, QC	51-200	16	4
14	Télémarketing Performance Centre D'appels Prise DE Rendez-Vous Formation	Montreal, QC	1-10	16	1
15	Comméléo	Shawinigan, QC	51-200	15	2
16	Services Gestcom INC	Saint-Jerome, QC	51-200	14	1
17	Pragmacx	Mont-Royal, QC	51-200	11	1
18	Ivox Communication	Granby, QC	51-200	9	3
19	Cold Calling CO	Calgary, AB	1-10	6	1
20	O'castle	Toronto, ON	11-50	1	1
21	Ringringhello INC	Toronto, ON	1-10	1	1
22	Daniel Lafrenière	Quebec, QC	1-10	1	1

Showing 22 of 52 customer retention call centers based in Canada

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 243 reachable decision-makers.

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Customer retention call centers based in Canada at a glance

As of Aug 28, 2026

51-200Median size (employees)

TorontoLargest hub · 8 HQs

38Contacts with mobile numbers

0Emails 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

Customer retention call centers by metro

Metro	Companies
Customer retention call centers in Toronto	8
Customer retention call centers in Montreal	4
Customer retention call centers in Calgary	4
Customer retention call centers in Longueuil	3
Customer retention call centers in Sherbrooke	2
Customer retention call centers in Mirabel	1
Customer retention call centers in Windsor	1
Customer retention call centers in Saint-Jerome	1

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 retention 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 retention call centers are there based in Canada?

There are 52 customer retention call centers headquartered in Canada as of August 2026 (RevenueBase).

What is the largest company on this list?

Singlepoint Group International INC, headquartered in North York, tops this list with the largest team on record.

Which city has the most customer retention call centers?

Toronto leads with 8 headquartered companies, followed by Montreal (4) and Calgary (4).

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 243 verified decision-maker contacts tracked across these 52 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.