This list features data and analytics companies in Ontario, primarily in software development and financial services. It includes large groups like Thomson Reuters, which offers news and information tools for legal and tax professionals, and OpenText, specializing in information management. Also present are mid-sized firms such as TMX Group, operating global capital and commodity markets, and Kinaxis, which orchestrates supply chain networks.
A notable pattern is the concentration of headquarters in major cities, with Toronto hosting companies like Altus Group, providing asset and fund intelligence for commercial real estate, and DAC, a digital-first agency. Ottawa is another key hub, home to Statistics Canada, a leading statistical agency, and Assent, which offers an AI-native platform for product compliance. The companies listed primarily focus on B2B solutions.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Thomson Reutersthomsonreuters.com
It offers news and information tools for professionals in legal, regulatory, and tax sectors, helping them navigate complex environments. |
36,640 | |||
| 2 |
OpenTextopentext.com
It specializes in Information Management, assisting businesses of all sizes in securely capturing, governing, and exchanging information globally. |
22,990 | |||
| 3 |
Statistics Canada | Statistique Canadastatcan.gc.ca
A leading statistical agency providing relevant, accurate, and timely data to help Canadians better understand their country through an app and podcast series |
5,917 | |||
| 4 | 2,564 | ||||
| 5 |
Kinaxiskinaxis.com
Empowering businesses to orchestrate their entire supply chain network, from long-term planning to real-time execution and delivery. |
2,322 | |||
| 6 |
Altus Groupaltusgroup.com
A leading provider of asset and fund intelligence for commercial real estate, offering advanced analytics, technology, and advisory services globally |
2,168 | |||
| 7 |
Descartes Systems Groupdescartes.com
Software-as-a-service solutions enhancing productivity, security, and sustainability for logistics businesses through routing, tracking, shipment planning, and customs compliance. |
1,688 | |||
| 8 |
Municipal Property Assessment Corporationmpac.ca
An independent organization in Ontario accurately assesses and classifies all properties, prioritizing employee well-being with generous benefits and flexible work arrangements |
1,595 | |||
| 9 |
DACdacgroup.com
International digital-first agency specializing in paid media, SEO, content strategy, local presence, reputation management, and data analytics for brands. |
1,247 | |||
| 10 |
Assentassent.com
Provides an AI-native platform for product compliance, sustainability, responsible sourcing, and trade compliance, helping manufacturers reduce supply chain risk and manage data. |
1,052 | |||
| 11 |
Canadian Institute for Health Information (CIHI)cihi.ca
An independent organization providing essential health system information for Canadians, with a team of over 700 professionals focused on data and innovation |
1,002 | |||
| 12 |
Dye & Durham Corporationdyedurham.com
Provider of practice management solutions for legal professionals, data insights for corporate transactions, and payments infrastructure for government and financial institutions across multiple countries |
945 | |||
| 13 |
Morningstar DBRSdbrs.morningstar.com
Global provider of independent credit rating services and opinions for corporate, sovereign, financial, and structured finance instruments across multiple asset classes worldwide. |
928 | |||
| 14 |
Teranet Inc.teranet.ca
Leader in statutory registry services, offering expertise in land and commercial registries, providing authoritative data and market insight to various sectors |
738 | |||
| 15 |
Resolver, a Kroll Businessresolver.com
Risk data aggregation and analysis platform providing business impact insights, enabling strategic risk communication and operational resilience for enterprises. |
717 | |||
| 16 |
Vena Solutionsvenasolutions.com
Leading provider of planning, decisioning and close solutions. Offers Excel and Power BI-native experiences to finance, business analytics and IT teams. Uses AI-ready data foundation. |
716 | |||
| 17 |
Varicentvaricent.com
Provides SaaS software for revenue leaders to optimize territory planning, quota setting, revenue operations, and incentive programs globally. |
669 | |||
| 18 |
Bond Brand Loyaltybondbl.com
This company specializes in creating lasting relationships between people and brands through intelligent connections, engaging experiences, and advanced technology solutions globally |
640 | |||
| 19 |
Casewarecaseware.com
Leading global provider of cloud-enabled solutions for audit, financial reporting, and data analytics, helping customers worldwide work smarter and transform insights into impact |
626 | |||
| 20 |
Prophixprophix.com
Helps finance teams lead by connecting planning, budgeting, forecasting, reporting, and consolidation in one AI-powered platform for faster, smarter work and confident leadership. |
584 | |||
| 21 |
Pythianpythian.com
A global data and analytics services company founded in 1997, specializing in helping organizations transform through data, analytics, and cloud solutions |
526 | |||
| 22 |
Pelmorexpelmorex.com
An international weather content and technology company providing hyper-local weather data, climate information, and alert systems globally |
519 | |||
| 23 |
Miovisionmiovision.com
Provides cities with tools to collect traffic data and insights, improving road network efficiency and safety for all transportation modes. |
516 | |||
| 24 |
Sculpture Hospitalitysculpturehospitality.com
A technology solution for bars and restaurants, offering inventory management services, mobile inventory app, draft beer management, and tailored options |
507 | |||
| 25 |
LoyaltyOneloyalty.com
A leading loyalty program in Canada with over 200 retailer brands, online retailers, and credit card partners, providing valuable shopper insights |
486 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 26 | 482 | ||||
| 27 |
JSIjsitelecom.com
A trusted provider of lawful intelligence and AI-enabled analytics solutions, helping law enforcement and security agencies globally with critical missions |
470 | |||
| 28 |
TechInsightstechinsights.com
A trusted source of technology analysis and market information for the semiconductor industry, enabling informed business decisions and innovation |
467 | |||
| 29 |
Wipro Limited Canadawipro.com
Leading global IT consulting & BPO services provider using cutting-edge technologies to help clients thrive in the digital era |
464 | |||
| 30 |
Equifax Canadaequifax.ca
Provides data, analytics, and cloud technology solutions to help financial institutions, companies, employers, and governments make informed decisions. |
461 | |||
| 31 |
ICESices.on.ca
Non-profit organization using population-based health data to produce unbiased knowledge for improving health care policy and decision-making |
437 | |||
| 32 |
Numerisnumeris.ca
A leading audience data company in Canada providing insights on media behaviors across platforms, focusing on transparent, standardized solutions for the industry |
425 | |||
| 33 |
Advantage Group Internationaladvantagegroup.com
Deliver feedback and actionable insights to improve collaboration, drive behavior change, and support sustainable growth in consumer goods industry. |
415 | |||
| 34 |
Solinksolink.com
A subscription-based software connecting camera footage with POS data to enhance profit, reduce theft, and provide actionable insights for businesses worldwide |
393 | |||
| 35 |
Trillianttrilliant.com
A leading provider of device-agnostic communications platforms for utilities and cities, offering flexibility, reliability, and sustainability for energy industry applications worldwide |
374 | |||
| 36 | 367 | ||||
| 37 |
Environics Analyticsenvironicsanalytics.com
A leading marketing and analytical services company specializing in proprietary data, software, and consulting to help organizations understand customers and markets |
294 | |||
| 38 |
MindBridgemindbridge.ai
Global leader in financial risk discovery and anomaly detection using AI, data science, and audit expertise to provide key insights and transparency in financial data |
259 | |||
| 39 |
BenchScibenchsci.com
Advanced AI platform empowering scientists in biomedical research, accelerating innovation at top pharmaceutical companies and research centers worldwide |
242 | |||
| 40 |
LexisNexis Canadalexisnexis.com
Leading global provider of information and technology solutions for legal, corporate, tax, and government professionals, focusing on innovation, comprehensive content, and workflow efficiency |
225 | |||
| 41 |
ShyftLabsshyftlabs.io
Innovative company revolutionizing enterprises with smarter data solutions, specializing in end-to-end solutions and accelerating digital transformation in the retail vertical ecosystem |
218 | |||
| 42 |
ERISerisinfo.com
A leading provider of environmental property risk research, offering comprehensive data for real estate due diligence and industry compliance in North America |
190 | |||
| 43 |
Ethocaethoca.com
Provides collaboration-based intelligence and technology solutions to help businesses fight fraud, prevent disputes, and enhance customer experience worldwide. |
187 | |||
| 44 |
Acuity Insightsacuityinsights.com
A leading provider of admissions assessment, program management, and analytics solutions for higher education, promoting inclusive and equitable admissions practices |
186 | |||
| 45 | 108 | ||||
| 46 |
Broadridge Canadabroadridge.ca
A global fintech leader providing critical infrastructure for investing, corporate governance, and communications to enhance financial lives Employs 14,000+ associates worldwide |
65 | |||
| 47 |
Trellisgotrellis.com
eCommerce merchandising platform for Amazon and Walmart sellers, focusing on Price, Product, Placement, and Promotion to maximize Return on Merchandising Spend |
57 | |||
| 48 |
AllHeart Weballheartweb.com
A global AI-driven company offers user-friendly datasets, cybersecurity solutions, lead generation services, and digital visibility enhancement to clients worldwide |
52 | |||
| 49 |
interValinter-val.ai
interVal provides a technology platform for financial institutions to offer real-time valuation data to help business owners make informed decisions |
37 | |||
| 50 |
Clue Digitalcluedigital.com
A leading data and media partner specializing in search, social, and programmatic advertising, helping marketers transform data into growth online |
35 | |||
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How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 12, 2026.
More company lists in Ontario
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- Multinational companies in Ontario 901
- Financial services firms in Ontario 396
- Manufacturers in Ontario 389
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- Companies with in-house R&D in Ontario 300
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- Education providers in Ontario 276
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- Financial Services companies in Ontario 250
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