Company lists · Data refreshed October 2026

Top 25 IT consulting accountants based in Ottawa, Canada

Name: IT consulting accountants based in Ottawa, Canada
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 1, 2026 140 companies tracked

RevenueBase identified 140 company matches for IT consulting accountants associated with Ottawa, Canada as of October 2026 and tracks 2,528 professional contacts across them, including 1,060 with verified work emails. Across Canada, Toronto is the largest hub for this category (579 companies); Ottawa has 140.

This list covers company matches for IT consulting accountants associated with Ottawa, 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 October 1, 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 Oct 1, 2026 How this list was built

140Companies

2,528Contacts tracked

1,060Verified emails

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The 25 largest IT consulting accountants based in Ottawa, Canada

Ranked by team size

Top 25 of 140 company matches for IT consulting accountants based in Ottawa, Canada, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 1, 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	Welch LLP	Exact match	Ottawa, ON, CanadaHQ recorded Oct 1, 2026	201-500	399 contacts →
	Exact match “Welch LLP is a Chartered Public Accounting firm that has deep roots in the communities it serves.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2	Corporate Renaissance Group	Exact match	Ottawa, ON, CanadaHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
3	Calian IT & Cyber Solutions	Exact match	Ottawa, ON, CanadaHQ recorded Oct 1, 2026	1,001-5,000	248 contacts →
	Exact match “Calian IT & Cyber Solutions (ITCS) is a global everything-as-a-service, cybersecurity, digital healthcare, application modernization and IT solution provider, committed to helping…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4	Nova Networks	Exact match	Ottawa, ON, CanadaHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
5	Oxaro INC	Exact match	Ottawa, ON, CanadaHQ recorded Oct 1, 2026	51-200	124 contacts →
	Exact match “Where people, processes, and technology align – that’s the OXARO effect.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6	Marcil Lavallée	Exact match	Ottawa, ON, CanadaHQ recorded Oct 1, 2026	51-200	109 contacts →
	Exact match “Marcil Lavallée est un partenaire engagé qui contribue activement à la réussite de ses clients en anticipant leurs besoins et en leur offrant une gamme complète de solutions…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7	Ggfl LLP	Exact match	Ottawa, ON, CanadaHQ recorded Oct 1, 2026	51-200	94 contacts →
	Exact match “GGFL is the tax planning and accounting firm for Ottawa’s successful business people.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8	Baker Tilly Ottawa LLP	Exact match	Ottawa, ON, CanadaHQ recorded Oct 1, 2026	51-200	80 contacts →
	Exact match “At Baker Tilly Ottawa LLP, we provide expert tax, assurance, and entrepreneurial services to help your business grow and prosper.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9	Mccay Duff LLP	Exact match	Ottawa, ON, CanadaHQ recorded Oct 1, 2026	51-200	66 contacts →
	Exact match “McCay Duff LLP is a full-service Chartered Accountants Firm that has been serving the Ottawa area since 1946.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10	Lekadir LLP	Exact match	Ottawa, ON, CanadaHQ recorded Oct 1, 2026	51-200	47 contacts →
	Exact match “Lekadir LLP is a Chartered Professional Accounting firm providing a full range of accounting, assurance, tax, and advisory services.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11	Maplesoft Group, An SEB Company	Exact match	Ottawa, ON, CanadaHQ recorded Oct 1, 2026	51-200	47 contacts →
	Exact match “Since 1996 Maplesoft Group has been helping clients successfully execute their business strategies, create value and achieve measurable results through the innovative and…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12	Ibiska	Exact match	Ottawa, ON, CanadaHQ recorded Oct 1, 2026	51-200	43 contacts →
	Exact match “IBISKA is a dynamic consulting firm with a growing and diversified practice in the IT/IM field.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13	Dnsnetworks Technology Company	Exact match	Ottawa, ON, CanadaHQ recorded Oct 1, 2026	51-200	38 contacts →
	Exact match “We are a leading IT services provider based out of Ottawa, Montreal and Toronto.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14	Connelly & Koshy Professional Corporation	Exact match	Ottawa, ON, CanadaHQ recorded Oct 1, 2026	11-50	33 contacts →
	Exact match “Chartered Professional Accountants licensed to practice in Ontario and Quebec with offices in Ottawa and Shawville Practice areas- Accounting - Auditing of profit oriented…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15	ITNET	Exact match	Ottawa, ON, CanadaHQ recorded Oct 1, 2026	51-200	31 contacts →
	Exact match “ITnet is a leading consulting firm dedicated to providing superior service to our clients.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16	Hubspoke INC	Exact match	Ottawa, ON, CanadaHQ recorded Oct 1, 2026	11-50	29 contacts →
	Exact match “We’re consultants, Working together.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17	Stoneworks Technologies INC	Exact match	Ottawa, ON, CanadaHQ recorded Oct 1, 2026	11-50	21 contacts →
	Exact match “INTELLIGENT ENTERPRISE SOLUTIONS Optimizing business processes while ensuring the best cybersecurity there is.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18	Coradix Technology Consulting LTD	Exact match	Ottawa, ON, CanadaHQ recorded Oct 1, 2026	201-500	21 contacts →
	Exact match “CORADIX is a well-established Ottawa technology consultancy.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19	49 Solutions	Exact match	Ottawa, ON, CanadaHQ recorded Oct 1, 2026	11-50	19 contacts →
	Exact match “At 49 Solutions we consistently deliver top quality consulting services, supporting both business and technology.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
20	Maverin INC	Exact match	Ottawa, ON, CanadaHQ recorded Oct 1, 2026	51-200	15 contacts →
	Exact match “Maverin is a global, people-first IT consulting and talent partner delivering expertise across cloud, cybersecurity, and digital transformation.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
21	Somos Consulting Group	Exact match	Ottawa, ON, CanadaHQ recorded Oct 1, 2026	51-200	15 contacts →
	Exact match “Since its inception in 1991, SOMOS' team of experienced senior management consulting & IT professionals have provided solutions that address the needs of technology and…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22	Sabytel Technologies, INC	Exact match	Ottawa, ON, CanadaHQ recorded Oct 1, 2026	11-50	14 contacts →
	Exact match “With over 22 years of industry experience, Sabytel has cultivated a sterling reputation for providing strategic management consulting services to both public and private sectors.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23	Cloud Shift INC	Exact match	Ottawa, ON, CanadaHQ recorded Oct 1, 2026	11-50	14 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
24	AI TAX Consultants	Exact match	Ottawa, ON, CanadaHQ recorded Oct 1, 2026	11-50	13 contacts →
	Exact match “AI Tax Consultants specializes in delivering tax and accounting services to individuals, self-employed and corporations.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25	Hendry Warren LLP	Exact match	Ottawa, ON, CanadaHQ recorded Oct 1, 2026	51-200	12 contacts →
	Exact match “At Hendry Warren LLP our mission is to provide relevant, reliable information and advice to help our clients achieve their business goals, and offer superior client service in a…” Recorded in the RevenueBase company graph · Oct 1, 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 “IT consulting accountants”. 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 140 IT consulting accountants based in Ottawa, Canada

See the full list, filter by size, metro and specialty, and access 1,060 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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IT consulting accountants based in Ottawa, Canada at a glance

As of Oct 1, 2026

41.9%Verified-email coverage

18.1Average contacts per company

1-10Median size (employees)

Oct 1, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

Email recency for this list is measured across the whole Canada list rather than for Ottawa, so it is reported there. Company counts and contact totals on this page are exact for Ottawa, over 140 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 Ottawa, Canada whose business descriptions match “IT consulting accountants” 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 1,060 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 October 1, 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.

IT consulting accountants 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 “IT consulting accountants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many IT consulting accountants are there based in Ottawa, Canada?

RevenueBase identified 140 company matches for IT consulting accountants associated with Ottawa, Canada as of October 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?

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

Which city in Canada has the most IT consulting accountants?

Toronto leads Canada with 579 company records, followed by Montreal (277) and Calgary (238). Ottawa has 140.

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 1,060 professional contacts with verified work emails tracked across these 140 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 October 1, 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.