Company lists · Data refreshed September 2026

Top 25 Legacy system modernization consultants based in Canada

Name: Legacy system modernization consultants based in Canada
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 926 companies tracked

RevenueBase identified 926 company matches for legacy system modernization consultants associated with Canada as of September 2026 and tracks 10,346 professional contacts across them, including 3,298 with verified work emails. Toronto is the largest hub.

This list covers company matches for legacy system modernization consultants associated with Canada, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 20, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 20, 2026 How this list was built

926Companies

10,346Contacts tracked

3,298Verified emails

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The 25 largest legacy system modernization consultants based in Canada

Ranked by team size

Top 25 of 926 company matches for legacy system modernization consultants based in Canada, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	LEVIO	Exact match	Québec, QC, CanadaHQ recorded Sep 20, 2026	1,001-5,000	1,403 contacts →
	Exact match “Levio is a leading North American technology‑focused consulting firm and one of the two largest system integrators fully owned by Canadian interests, specializing in digital…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2	Lgs, An IBM Company	Exact match	Québec, QC, CanadaHQ recorded Sep 20, 2026	501-1,000	742 contacts →
	Exact match “A consulting firm providing technology solutions and advisory services to both private and public sector organizations.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3	Charter	Exact match	Victoria, BC, CanadaHQ recorded Sep 20, 2026	n/a	697 contacts →
	Exact match “Charter, an award-winning IT solution and managed services provider, was founded in 1997 in Victoria, BC, Canada.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4	Fresche Solutions	Exact match	Montréal, QC, CanadaHQ recorded Sep 20, 2026	201-500	334 contacts →
	Exact match “Fresche Solutions is an AI-powered IT modernization company that manages and maximizes the value of your IBM i and Microsoft systems.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5	Corporate Renaissance Group	Exact match	Ottawa, ON, CanadaHQ recorded Sep 20, 2026	51-200	281 contacts →
	Exact match “Since 1989, CRGroup, a Quisitive Company, has been helping leaders transform enterprise management and performance.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6	Optimus Information INC	Exact match	Vancouver, BC, CanadaHQ recorded Sep 20, 2026	51-200	243 contacts →
	Exact match “Optimus Information is a leading technology consulting company providing professional and managed services.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7	Nova Networks	Exact match	Ottawa, ON, CanadaHQ recorded Sep 20, 2026	201-500	234 contacts →
	Exact match “Nova Networks is committed to the goal of ensuring that the products and services we provide exceed our clients’ expectations.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8	Transition Consulting Services	Exact match	Québec, QC, CanadaHQ recorded Sep 20, 2026	201-500	155 contacts →
	Exact match “Transition Consulting Services is a reference in digital transformation, IT and management.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9	Appficiency INC	Exact match	Mississauga, ON, CanadaHQ recorded Sep 20, 2026	51-200	132 contacts →
	Exact match “At Appficiency, we help enterprises solve the most complex business technology challenges through strategic tech stack engineering and AI-led transformation.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10	Baass Business Solutions	Exact match	Thornhill, ON, CanadaHQ recorded Sep 20, 2026	51-200	127 contacts →
	Exact match “Established in 1988, and celebrating 35+ years in business, BAASS has been successfully assisting small to medium-sized businesses to improve their business processes, increase…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11	J&m Group	Exact match	Mississauga, ON, CanadaHQ recorded Sep 20, 2026	51-200	127 contacts →
	Exact match “At J&M Group, we are the strategic partner for businesses ready to redefine their future.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12	Proserveit	Exact match	Mississauga, ON, CanadaHQ recorded Sep 20, 2026	51-200	120 contacts →
	Exact match “ProServeIT is a multi-award winning Microsoft Solutions Partner headquartered in Canada.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13	Cabot Technology Solutions INC	Exact match	Hamilton, ON, CanadaHQ recorded Sep 20, 2026	51-200	119 contacts →
	Exact match “Cabot Technology Solutions is a value-based IT consulting firm delivering high-value, cost-effective solutions using cutting-edge technologies.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14	Solulan	Exact match	Blainville, QC, CanadaHQ recorded Sep 20, 2026	51-200	102 contacts →
	Exact match “Solulan is an IT management consulting firm founded in specializing in the integration and maintenance of computer systems.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15	Kezber	Exact match	Magog, QC, CanadaHQ recorded Sep 20, 2026	51-200	99 contacts →
	Exact match “KEZBER, YOUR TRUE BUSINESS PARTNER A long-standing market leader, Kezber draws on more than 20 years of experience in business IT solutions to support companies in their digital…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16	Paradigm Consulting Group	Exact match	Regina, SK, CanadaHQ recorded Sep 20, 2026	51-200	98 contacts →
	Exact match “At Paradigm Consulting Group, we partner with organizations to optimize business processes and technology investments, ensuring seamless digital transformation and IT innovation.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17	Techso	Exact match	Montréal, QC, CanadaHQ recorded Sep 20, 2026	51-200	95 contacts →
	Exact match “Techso is an IT consulting company which offers value with our unique client-based approach and employee empowerment.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18	Alphavima Technologies INC	Exact match	Mississauga, ON, CanadaHQ recorded Sep 20, 2026	51-200	91 contacts →
	Exact match “Alphavima Technologies is a Canadian IT consulting and services organization with an experience of more than 19 years, headquartered in Ontario, Canada.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19	Unisystech Consulting	Exact match	Toronto, ON, CanadaHQ recorded Sep 20, 2026	501-1,000	91 contacts →
	Exact match “Unisystech is a global technology consulting firm specializing in digital transformation, AI-enabled solutions, and end-to-end enterprise technology delivery across Canada, the…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20	Atlantis IT Group	Exact match	Scarborough, ON, CanadaHQ recorded Sep 20, 2026	201-500	90 contacts →
	Exact match “Atlantis IT Group Driving Enterprise Success Through Technology Excellence Atlantis IT Group is an Information technology solutions provider delivering comprehensive, end-to-end…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21	GDG Informatique	Exact match	Québec, QC, CanadaHQ recorded Sep 20, 2026	201-500	84 contacts →
	Exact match “The information technology consultancy GDG was founded in 1997 on the basis of a simple core idea: to listen.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22	Qualicom Innovations INC	Exact match	Toronto, ON, CanadaHQ recorded Sep 20, 2026	51-200	77 contacts →
	Exact match “Qualicom Innovations has been at the forefront of IT consulting, software development and systems integration in Toronto since 1998.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23	Inforica	Exact match	Mississauga, ON, CanadaHQ recorded Sep 20, 2026	51-200	77 contacts →
	Exact match “Inforica Digital Services Inc.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24	Alphakor Group	Exact match	Windsor, ON, CanadaHQ recorded Sep 20, 2026	51-200	71 contacts →
	Exact match “Using the most innovative solutions, AlphaKOR will partner with you to determine the right technology to enhance your company.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25	Nexus Innovations	Exact match	Montreal, QC, CanadaHQ recorded Sep 20, 2026	51-200	69 contacts →
	Exact match “Nexus Innovations helps small- and medium-sized businessesdiscover, develop and adopt cloud-based business technologies that enable users to positively transform organizational…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “legacy system modernization consultants”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 926 legacy system modernization consultants based in Canada

See the full list, filter by size, metro and specialty, and access 3,298 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Legacy system modernization consultants based in Canada at a glance

As of Sep 20, 2026

31.9%Verified-email coverage

11.2Average contacts per company

1-10Median size (employees)

20.3%Largest-city concentration · Toronto

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

581

11-50

236

51-200

201-500

501-1,000

1,001-5,000

10001+

Email recency for this list is measured worldwide rather than for Canada, so it is reported there. Company counts and contact totals on this page are exact for Canada, over 926 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with Canada whose business descriptions match “legacy system modernization consultants” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 3,298 professional contacts with verified work emails across the full matched dataset. 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 20, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Legacy system modernization consultants by metro

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “legacy system modernization consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many legacy system modernization consultants are there based in Canada?

RevenueBase identified 926 company matches for legacy system modernization consultants associated with Canada as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

LEVIO tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most legacy system modernization consultants?

Toronto leads with 188 company records, followed by Montreal (81) and Calgary (68).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 3,298 professional contacts with verified work emails tracked across these 926 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 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 SmartSearch, 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.