Company lists · Data verified August 2026

Top 25 Customer service outsourcing companies based in Canada

Name: Customer service outsourcing companies based in Canada
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 215 companies tracked

There are 215 customer service outsourcing companies headquartered in Canada (RevenueBase, August 2026). RevenueBase tracks 10,569 professional contacts across them, including 1,111 with verified work emails and 598 with mobile numbers. Toronto is the largest hub.

This list covers customer service outsourcing 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.

215Companies

10,569Contacts tracked

1,111Verified emails

598Mobile numbers

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The 25 largest customer service outsourcing companies based in Canada

Ranked by team size

Top 25 of 215 customer service outsourcing 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	Stream Global Services	Chilliwack, BC	10001+	2,779	151
2	Advantage Communications INC	Charlottetown, PE	501-1,000	631	49
3	Gexel Telecom	Trois-Rivieres, QC	501-1,000	584	60
4	Millennium 1 Solutions	Bridgewater, NS	1,001-5,000	434	65
5	Blue Ocean Contact Centers	Halifax, NS	501-1,000	370	106
6	Atelka	Fredericton, NB	1,001-5,000	328	4
7	Optima Communications International	Montreal, QC	501-1,000	302	9
8	Singlepoint Group International INC	North York, ON	1,001-5,000	301	134
9	CBV Collection Services LTD	Markham, ON	1,001-5,000	293	67
10	Voxdata	Montreal, QC	201-500	244	11
11	Impres	Cambridge, ON	201-500	228	57
12	Zedd Customer Solutions INC	Toronto, ON	501-1,000	206	17
13	Innovative Vision	Toronto, ON	201-500	201	5
14	The Sydney Call Centre	Sydney, NS	1,001-5,000	185	11
15	Voysus Connection Experts	Toronto, ON	51-200	146	27
16	Innovatia Technical Services INC	Saint John, NB	201-500	137	55
17	Line ONE Contact Centres INC	Calgary, AB	201-500	57	16
18	Simpro Solutions Canada	Toronto, ON	501-1,000	51	10
19	Surecall Contact Centers	Calgary, AB	51-200	47	19
20	Call Center Guys	Fredericton, NB	51-200	47	6
21	Groupe Marketing International	Laval, QC	51-200	47	1
22	I24 Call Management Solutions	Montreal, QC	51-200	41	15
23	Group Elite	Laval, QC	51-200	37	23
24	FLG Frontline Group	Laval, QC	1,001-5,000	34	4
25	Roundassist INC	Toronto, ON	51-200	33	6

Showing 25 of 215 customer service outsourcing companies based in Canada

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Customer service outsourcing companies based in Canada at a glance

As of Aug 28, 2026

51-200Median size (employees)

TorontoLargest hub · 41 HQs

598Contacts 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

10001+

Customer service outsourcing companies by metro

Metro	Companies
Customer service outsourcing companies in Toronto	41
Customer service outsourcing companies in Montreal	16
Customer service outsourcing companies in Calgary	14
Customer service outsourcing companies in Vancouver	8
Customer service outsourcing companies in Mississauga	6
Customer service outsourcing companies in Markham	6
Customer service outsourcing companies in Winnipeg	5

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 outsourcing 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 customer service outsourcing companies are there based in Canada?

There are 215 customer service outsourcing companies headquartered in Canada as of August 2026 (RevenueBase).

What is the largest company on this list?

Stream Global Services, headquartered in Chilliwack, tops this list with the largest team on record.

Which city has the most customer service outsourcing companies?

Toronto leads with 41 headquartered companies, followed by Montreal (16) and Calgary (14).

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 1,111 verified decision-maker contacts tracked across these 215 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.