Company lists · Data refreshed November 2026

Top 21 Legacy app modernization services based in Canada

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

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 223 companies tracked

RevenueBase identified 223 company matches for legacy app modernization services associated with Canada as of November 2026 and tracks 7,529 professional contacts across them, including 3,464 with verified work emails. Toronto is the largest hub.

This list covers company matches for legacy app modernization services 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 November 6, 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 Nov 6, 2026 How this list was built

223Companies

7,529Contacts tracked

3,464Verified emails

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The 21 largest legacy app modernization services based in Canada

Ranked by team size

Top 21 of 223 company matches for legacy app modernization services based in Canada, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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	Syntax	Exact match	Montreal, QC, CanadaHQ recorded Nov 6, 2026	1,001-5,000	2,003 contacts →
	Exact match “Syntax is a leading global technology solutions provider driving enterprise transformation in the cloud.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	LEVIO	Exact match	Québec, PE, CanadaHQ recorded Nov 6, 2026	1,001-5,000	1,371 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 · Nov 6, 2026 · View company records in RevenueBase
3	Fresche Solutions	Exact match	Montréal, QC, CanadaHQ recorded Nov 6, 2026	201-500	365 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 · Nov 6, 2026 · View company records in RevenueBase
4	Celestial Systems INC	Exact match	Burnaby, BC, CanadaHQ recorded Nov 6, 2026	201-500	259 contacts →
	Exact match “Celestial is the end-to-end AI transformation partner for regulated industries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Spiria	Exact match	Montreal, QC, CanadaHQ recorded Nov 6, 2026	51-200	131 contacts →
	Exact match “Spiria partners with organizations to modernize their systems, build custom software, and accelerate digital transformation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Kezber	Exact match	Magog, QC, CanadaHQ recorded Nov 6, 2026	51-200	93 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 · Nov 6, 2026 · View company records in RevenueBase
7	GTI Canada	Exact match	Montréal, QC, CanadaHQ recorded Nov 6, 2026	51-200	68 contacts →
	Exact match “With over 35 years of experience and numerous SMEs in Quebec supported, GTI stands out for its expertise in modernization and custom technological solutions, ranging from the…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Veriday INC	Exact match	Mississauga, ON, CanadaHQ recorded Nov 6, 2026	51-200	65 contacts →
	Exact match “Enterprise digital transformation often fails for one reason: Execution complexity.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Tidal Commerce	Exact match	Richmond Hill, ON, CanadaHQ recorded Nov 6, 2026	51-200	58 contacts →
	Exact match “Tidal is a Canada-based enterprise digital consulting and engineering firm, serving clients across North America.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Thrillworks	Exact match	Toronto, ON, CanadaHQ recorded Nov 6, 2026	51-200	53 contacts →
	Exact match “For over 20 years, Thrillworks has built lasting relationships with some of the world’s most respected organizations- accelerating the way we unlock and realize the potential of…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	GSI Solutions	Exact match	Toronto, ON, CanadaHQ recorded Nov 6, 2026	11-50	49 contacts →
	Exact match “GSI Solutions (formerly Gated Shores Interactive) is a technology company focused on migrating legacy systems to the Cloud and delivering custom cloud-based software solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Renaps	Exact match	Montréal, QC, CanadaHQ recorded Nov 6, 2026	51-200	46 contacts →
	Exact match “Who are we?” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Quarry Consulting	Exact match	Kanata, ON, CanadaHQ recorded Nov 6, 2026	11-50	28 contacts →
	Exact match “quarry [ˈkwôrē,] Noun - “One that is sought or pursued” Noun – “a place where valuable resources are uncovered and mined” Verb – “to dig or delve in” Quarry Consulting (formerly…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Opus Consulting Group LTD	Exact match	Vancouver, BC, CanadaHQ recorded Nov 6, 2026	11-50	26 contacts →
	Exact match “Opus Consulting Group delivers modern IT solutions that help organizations optimize performance, strengthen security, and simplify management.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Molsoft	Exact match	Montreal, QC, CanadaHQ recorded Nov 6, 2026	11-50	25 contacts →
	Exact match “Simplifying Commerce.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Infologiq	Exact match	Toronto, ON, CanadaHQ recorded Nov 6, 2026	11-50	23 contacts →
	Exact match “Reimagine, rethink and reinvent with Our infologiQ Team.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Solutions Kumojin	Exact match	Québec, QC, CanadaHQ recorded Nov 6, 2026	11-50	20 contacts →
	Exact match “We support our clients in the creation of modern web and mobile applications.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Focus21 INC	Exact match	Kitchener, ON, CanadaHQ recorded Nov 6, 2026	51-200	18 contacts →
	Exact match “Check it out; Focus21 has seen it all.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	JOT Digital	Exact match	Calgary, AB, CanadaHQ recorded Nov 6, 2026	11-50	17 contacts →
	Exact match “Jot Digital is a full journey technology firm driving digital innovation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Marsables INC	Exact match	Toronto, ON, CanadaHQ recorded Nov 6, 2026	51-200	17 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Reactivestax Technologies INC	Exact match	Mississauga, ON, CanadaHQ recorded Nov 6, 2026	51-200	17 contacts →
	Exact match “We provide enterprises with a full range of software development, solutions architecture, devops, and digital transformation solutions.” Recorded in the RevenueBase company graph · Nov 6, 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 app modernization services”. 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 21 of 223 legacy app modernization services based in Canada

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Legacy app modernization services based in Canada at a glance

As of Nov 6, 2026

46.0%Verified-email coverage

33.8Average contacts per company

11-50Median size (employees)

29.6%Largest-city concentration · Toronto

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

105

11-50

51-200

201-500

501-1,000

1,001-5,000

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 223 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 app modernization services” 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 3,464 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 November 6, 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 app modernization services by metro

Legacy app modernization services in Toronto66

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 app modernization services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many legacy app modernization services are there based in Canada?

RevenueBase identified 223 company matches for legacy app modernization services associated with Canada as of November 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?

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

Which city has the most legacy app modernization services?

Toronto leads with 66 company records, followed by Montreal (19) and Mississauga (16).

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 3,464 professional contacts with verified work emails tracked across these 223 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 November 6, 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.