Company lists · Data refreshed September 2026
Top 25 IT consulting and support companies based in Mississauga, Canada
RevenueBase identified 171 IT consulting and support companies headquartered in Mississauga, Canada as of September 2026 and tracks 1,686 professional contacts across them, including 489 with verified work emails. Toronto is the largest hub.
This list covers IT consulting and support companies headquartered in Mississauga, Canada, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 27, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest IT consulting and support companies based in Mississauga, Canada
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 127 contacts → | ||||
Indirect evidence “At J&M Group, we are the strategic partner for businesses ready to redefine their future.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 2 | 120 contacts → | ||||
Indirect evidence “ProServeIT is a multi-award winning Microsoft Solutions Partner headquartered in Canada.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 3 | 113 contacts → | ||||
Partial evidence “As the national IT Services Division of Konica Minolta Canada, IT Weapons has been delivering IT Services, hybrid cloud solutions, Information Security, connectivity…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 4 | 91 contacts → | ||||
Strong evidence “Alphavima Technologies is a Canadian IT consulting and services organization with an experience of more than 19 years, headquartered in Ontario, Canada.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 5 | 47 contacts → | ||||
Indirect evidence “Welcome to Sparklex Technologies, Spark the Future with Sparklex.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 6 | 44 contacts → | ||||
Strong evidence “Synergy IT Solutions is a premier IT support company based in Toronto, delivering cutting-edge IT solutions and technical services across Canada.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 7 | 41 contacts → | ||||
Strong evidence “BALANCED+ is a leading IT consulting firm.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 8 | 37 contacts → | ||||
Indirect evidence “At Commerx we work with you to help meet your business needs with the best technology and professional services available.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 9 | 30 contacts → | ||||
Indirect evidence “Welcome to Cable Leafs Consultancy Inc, a 100% Canadian company founded in 2014.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 10 | 30 contacts → | ||||
Partial evidence “At QLogitek, we deliver innovative IT solutions that help organizations transform the way they operate and serve their customers.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 11 | 28 contacts → | ||||
Strong evidence “Reachwebexpert is a fast emerging IT technology Services and consulting based in Canada having its offshore development in India and California.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 12 | 26 contacts → | ||||
Indirect evidence “ZCOM Systems Group Inc (aka ZCOM) is an independent Systems Integration services provider.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 13 | 26 contacts → | ||||
Partial evidence “NETWORTH provides Managed IT Services to businesses across Canada.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 14 | 26 contacts → | ||||
Strong evidence “Splitstream Consulting Inc is a one STOP simplifying IT Solutions Company dedicated to the idea that technology combined with creative solutions to business problems can help your…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 15 | 25 contacts → | ||||
Partial evidence “People Force Consulting is an innovative and leading Technology Solutions provider.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 16 | 24 contacts → | ||||
Partial evidence “ITM Global Services (ITM) is a trusted leader and provider in IT, serving SMB and Enterprise companies with award-winning IT services and solutions in Canada since We take care of…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 17 | 24 contacts → | ||||
Indirect evidence “Ceenex Global is a leading system integrator and an ICT solution provider and a Tiered partner to almost all major technology vendors and is a pioneer in delivering ICT solutions…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 18 | 20 contacts → | ||||
Partial evidence “About Paragon Micro Inc Paragon Micro is one of the fastest growing and most successful IT solution providers today.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 19 | 18 contacts → | ||||
Strong evidence “Libra IT providing your business with IT support including IT outsourcing and PC computer support.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 20 | 16 contacts → | ||||
Indirect evidence “At The Syscomm Group, we're all about trust and respect.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 21 | 15 contacts → | ||||
Partial evidence “NetraClouds is a dynamic and customer-obsessed information technology (IT) services and solutions company with its main office in Toronto (GTA), Ontario, and branches throughout…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 22 | 10 contacts → | ||||
Partial evidence “CoreFactor's ecosystem of services and solutions include Consulting Services, Managed Services and Staffing Services.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 23 | 10 contacts → | ||||
Partial evidence “At Excell IT, we pride ourselves in being a leading provider of total business solutions for companies in the Greater Toronto Area.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 24 | 10 contacts → | ||||
Partial evidence “KrushSols is an upcoming leader in Consulting, Technology, Outsourcing and digital transformation.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 25 | 8 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: IT consulting and support companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names IT consulting and support companies.
- Partial evidence
- Its own public description names part of IT consulting and support companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name IT consulting and support companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 171 IT consulting and support companies based in Mississauga, Canada
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IT consulting and support companies based in Mississauga, Canada at a glance
As of Sep 27, 2026Companies by employee count
Email recency for this list is measured across the whole Canada list rather than for Mississauga, so it is reported there. Company counts and contact totals on this page are exact for Mississauga, over 171 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among IT consulting and support companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Mississauga, Canada whose own description of what they do matches “IT consulting and support companies”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names IT consulting and support companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among IT consulting and support companies, and records with no verified work email. Companies headquartered outside Mississauga are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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
- Every listed company carries at least one verified work email, 489 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 27, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
IT consulting and support companies by metro in Canada
- IT consulting and support companies in Toronto482
- IT consulting and support companies in Montreal238
- IT consulting and support companies in Calgary234
- IT consulting and support companies in Mississauga171
- IT consulting and support companies in Vancouver132
- IT consulting and support companies in Ottawa104
- IT consulting and support companies in Edmonton93
- IT consulting and support companies in Quebec68
- IT consulting and support companies in Markham52
- IT consulting and support companies in Brampton49
- IT consulting and support companies in London41
- IT consulting and support companies in Winnipeg41
- IT consulting and support companies in Oakville35
- IT consulting and support companies in Victoria32
- IT consulting and support companies in Surrey31
- IT consulting and support companies in Burnaby29
- IT consulting and support companies in Laval29
- IT consulting and support companies in Kitchener27
- IT consulting and support companies in Richmond Hill27
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names IT consulting and support companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many IT consulting and support companies are there based in Mississauga, Canada?
RevenueBase identified 171 IT consulting and support companies headquartered in Mississauga, Canada as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
J&m Group, headquartered in Mississauga, tops this list with the largest team on record.
Which city has the most IT consulting and support companies?
Toronto leads with 482 headquartered companies, followed by Montreal (238) and Calgary (234).
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 489 verified decision-maker contacts tracked across these 171 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 27, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 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 with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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