Company lists · Data verified August 2026

Top 25 Custom software development companies based in Canada

Name: Custom software development companies based in Canada
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 1,537 companies tracked

There are 1,537 custom software development companies headquartered in Canada (RevenueBase, August 2026). RevenueBase tracks 13,314 professional contacts across them, including 2,721 with verified work emails and 639 with mobile numbers. Toronto is the largest hub.

This list covers custom software development 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.

1,537Companies

13,314Contacts tracked

2,721Verified emails

639Mobile numbers

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The 25 largest custom software development companies based in Canada

Ranked by team size

Top 25 of 1,537 custom software development 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	Invozone	Toronto, ON	201-500	488	10
2	Mitrahsoft Solutions Private Limited	Edmonton, AB	201-500	339	7
3	Blanc Labs	Toronto, ON	501-1,000	315	45
4	Ifocus Systec India Private Limited	Burnaby, BC	201-500	278	12
5	Techverx	Oakville, ON	201-500	265	98
6	Ensemble Systems	Vancouver, BC	201-500	229	187
7	Ropstam Solutions INC	Burlington, ON	51-200	186	43
8	Bridge Global	Markham, ON	201-500	185	27
9	Lead IT Corporation	Vancouver, BC	201-500	172	21
10	Spiria	Montreal, QC	51-200	130	77
11	Codechem INC	Montreal	51-200	130	46
12	Allion Technologies	Vancouver, BC	201-500	120	78
13	Cabot Technology Solutions INC	Burlington, ON	51-200	117	34
14	Success Software Services	Toronto	51-200	116	17
15	Prophecy Technologies	Etobicoke, ON	501-1,000	116	5
16	Technource	Sherwood Park, AB	51-200	108	3
17	AGT Software Partners	NB	51-200	91	24
18	Vizz WEB Solutions	Mississauga, ON	201-500	85	8
19	Integriti	Mississauga, ON	51-200	82	36
20	ISU Corp	Waterloo, ON	51-200	74	12
21	Techvoot	Stratford, QC	51-200	72	1
22	Thirdbridge	Montreal, QC	51-200	66	7
23	Patoliya Infotech	Brampton, ON	51-200	63	1
24	Iron Logic	Brampton, ON	51-200	60	2
25	Itsp INC	North York, ON	51-200	57	31

Showing 25 of 1,537 custom software development companies based in Canada

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Custom software development companies based in Canada at a glance

As of Aug 28, 2026

1-10Median size (employees)

TorontoLargest hub · 302 HQs

639Contacts with mobile numbers

8Emails re-verified in last 30 days

Companies by employee count

1-10

907

11-50

485

51-200

118

201-500

501-1,000

1,001-5,000

Custom software development companies by metro

Metro	Companies
Custom software development companies in Toronto	302
Custom software development companies in Montreal	138
Custom software development companies in Calgary	106
Custom software development companies in Vancouver	101
Custom software development companies in Mississauga	82
Custom software development companies in Ottawa	50
Custom software development companies in Brampton	42
Custom software development companies in Edmonton	41

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 “custom software development 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; 8 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 custom software development companies are there based in Canada?

There are 1,537 custom software development companies headquartered in Canada as of August 2026 (RevenueBase).

What is the largest company on this list?

Invozone, headquartered in Toronto, tops this list with the largest team on record.

Which city has the most custom software development companies?

Toronto leads with 302 headquartered companies, followed by Montreal (138) and Calgary (106).

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 2,721 verified decision-maker contacts tracked across these 1,537 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.