Company lists · Data refreshed September 2026

Top 16 Gtm engineering consultancies based in Markham, Canada

Name: Gtm engineering consultancies based in Markham, Canada
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 13, 2026 35 companies tracked

RevenueBase identified 35 company matches for gtm engineering consultancies associated with Markham, Canada as of September 2026 and tracks 1,105 professional contacts across them, including 505 with verified work emails. Across Canada, Calgary is the largest hub for this category (181 companies); Markham has 35.

This list covers company matches for gtm engineering consultancies associated with Markham, 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 13, 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 13, 2026 How this list was built

35Companies

1,105Contacts tracked

505Verified emails

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The 16 largest gtm engineering consultancies based in Markham, Canada

Ranked by team size

Top 16 of 35 company matches for gtm engineering consultancies based in Markham, Canada, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 13, 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	LEA Group	Exact match	Markham, ON, CanadaHQ recorded Sep 13, 2026	201-500	370 contacts →
	Exact match “LEA Group (LEA) is a privately-held, global consulting firm providing planning, engineering design, and construction administration services for urban infrastructure projects.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
2	DSEL	Exact match	Markham, ON, CanadaHQ recorded Sep 13, 2026	51-200	136 contacts →
	Exact match “Accelerating Subdivisions.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
3	SCS Consulting Group LTD	Exact match	Markham, ON, CanadaHQ recorded Sep 13, 2026	51-200	131 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
4	Urbantech Consulting A Division Of Leighton-Zec LTD	Exact match	Markham, ON, CanadaHQ recorded Sep 13, 2026	51-200	84 contacts →
	Exact match “Urbantech is the GTHA’s premier boutique Civil Engineering consulting firm.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
5	Tarra Engineering And Structural Consultants INC	Exact match	Markham, ON, CanadaHQ recorded Sep 13, 2026	11-50	30 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
6	J And B Engineering INC	Exact match	Markham, ON, CanadaHQ recorded Sep 13, 2026	11-50	28 contacts →
	Exact match “J+B Engineering Inc.(J+B) is a privately owned national engineering firm providing integrated multi-disciplinary consulting engineering and project management services to…” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
7	Civil Arsa Engineering INC	Exact match	Markham, ON, CanadaHQ recorded Sep 13, 2026	11-50	21 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
8	Environmental Infrastructure Solutions INC	Exact match	Markham, ON, CanadaHQ recorded Sep 13, 2026	11-50	20 contacts →
	Exact match “EIS is a privately owned company focused on providing innovative engineering and project management services for the water and wastewater municipal sector.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
9	Accent Building Sciences INC	Exact match	Markham, ON, CanadaHQ recorded Sep 13, 2026	11-50	13 contacts →
	Exact match “Accent Building Sciences is a Canadian engineering firm with 3 decades of building science experience with large, complex projects in both the public and private sector.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
10	Lake Harbour	Exact match	Markham, ON, CanadaHQ recorded Sep 13, 2026	11-50	10 contacts →
	Exact match “With years of development, Lake Harbour now offers a wide range of multi-disciplinary engineering services for its clients worldwide, together with the flexibility of…” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
11	King Epcm	Exact match	Markham, ON, CanadaHQ recorded Sep 13, 2026	1-10	10 contacts →
	Exact match “King EPCM is a full service civil engineering company that does everything outside and below a proposed building.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
12	Shad & Associates INC	Exact match	Markham, ON, CanadaHQ recorded Sep 13, 2026	1-10	10 contacts →
	Exact match “At Shad & Associates Inc.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
13	Husson Engineering Management	Exact match	Markham, ON, CanadaHQ recorded Sep 13, 2026	11-50	9 contacts →
	Exact match “HUSSON Limited is a civil engineering company based in Richmond Hill, Ontario dedicated to providing innovative, recognized and cost effective services to the Industrial…” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
14	Kyco Engineering Limited	Exact match	Markham, ON, CanadaHQ recorded Sep 13, 2026	1-10	4 contacts →
	Exact match “KYCO Engineering Limited is a full service Mechanical and Electrical consultancy with extensive experience in retail, commercial, industrial and high-rise residential.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
15	Cegp Consultants LTD	Exact match	Markham, ON, CanadaHQ recorded Sep 13, 2026	1-10	3 contacts →
	Exact match “We are experienced and competent in completing Environmental Record of Site Conditions, Environmental Site Assessments (Phase I, II ESAs), soil and groundwater remediation…” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
16	Prof&e	Exact match	Markham, ON, CanadaHQ recorded Sep 13, 2026	1-10	1 contacts →
	Exact match “PROF & E Ltd.” Recorded in the RevenueBase company graph · Sep 13, 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 “gtm engineering consultancies”. 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 16 of 35 gtm engineering consultancies based in Markham, Canada

See the full list, filter by size, metro and specialty, and access 505 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Gtm engineering consultancies based in Markham, Canada at a glance

As of Sep 13, 2026

45.7%Verified-email coverage

31.6Average contacts per company

11-50Median size (employees)

Sep 13, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

Email recency for this list is measured across the whole Canada list rather than for Markham, so it is reported there. Company counts and contact totals on this page are exact for Markham, over 35 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 Markham, Canada whose business descriptions match “gtm engineering consultancies” 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 505 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 13, 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.

Gtm engineering consultancies by metro in Canada

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 “gtm engineering consultancies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many gtm engineering consultancies are there based in Markham, Canada?

RevenueBase identified 35 company matches for gtm engineering consultancies associated with Markham, 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?

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

Which city in Canada has the most gtm engineering consultancies?

Calgary leads Canada with 181 company records, followed by Toronto (152) and Montreal (115). Markham has 35.

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 505 professional contacts with verified work emails tracked across these 35 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 13, 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.