| # | Company | Employees |
|---|---|---|
| 1 |
D+Hfinastra.com
Merger of D+H and Misys creating Finastra, a leading global fintech company providing innovative financial technology solutions. |
4,037 |
| 2 |
Compugen Inccompugen.com
This company focuses on innovation, transformation, and connecting communities through human-centered, technology-enabled solutions with a strong emphasis on collaboration and making a difference |
1,644 |
| 3 |
Ricoh Canada Inc.ricoh.ca
Provide information management and digital services combining people, processes, and technology to enhance business agility and unlock organizational potential. |
1,444 |
| 4 |
Procomprocomservices.com
A leading staffing and contract workforce provider with 18 offices in North America, offering award-winning services to Fortune 500 clients |
1,287 |
| 5 |
CONTAX Inc.contax.com
Providing SAP system implementation, support, and maintenance services with a focus on quality, reliability, and customer business growth. |
1,227 |
| 6 |
NTG Clarityntgclarity.com
Leader in providing network, telecom, IT, and infrastructure solutions to service providers and enterprises globally with a team of 500+ experts |
1,020 |
| 7 |
CDW Canadacdw.ca
Comprehensive technology solutions provider offering full-stack services, leveraging extensive expertise and partnerships to meet unique organizational needs. |
941 |
| 8 |
Canadian Bank Note Company, Limitedcbnco.com
The company specializes in providing secure identification solutions, including currency, passports, driver licenses, and biometric solutions, to prevent fraud globally |
925 |
| 9 |
Tucowstucows.com
The company focuses on keeping people connected and the internet open through domain services, fiber internet, and telecom software solutions |
793 |
| 10 |
360insights360insights.com
It provides brands with tools to manage partner networks, optimize promotional spending, and enhance indirect business growth through data analytics. |
653 |
| 11 |
Compass Digitalcompassdigital.io
A company specializing in digital transformation and innovation in food, services, and hospitality to enhance the customer experience and identify business opportunities |
615 |
| 12 |
TechBlockstblocks.com
TechBlocks is a Cloud & Digital Product Engineering Firm specializing in enterprise-wide digital transformation initiatives for Fortune 500 companies and global brands |
535 |
| 13 |
Pythianpythian.com
A global data and analytics services company founded in 1997, specializing in helping organizations transform through data, analytics, and cloud solutions |
526 |
| 14 |
Pink Elephantpinkelephant.com
A global leader in training, consulting, and conferences, known for innovative and pioneering approaches in introducing revolutionary concepts in the industry |
521 |
| 15 |
Pivotreepivotree.com
Pivotree specializes in providing end-to-end digital Commerce, Data Management, and Supply Chain solutions for major retailers and manufacturers globally |
521 |
| 16 |
Konica Minolta Business Solutions Canadakonicaminolta.ca
Global company providing office technology, information management software, cloud solutions, production print technologies, IT security, and professional development opportunities for employees |
515 |
| 17 |
FARclickfar.com
Provider of efficiency solutions leveraging technology to improve lives Specializing in network, data center, and business operation optimization for simplicity and ease |
495 |
| 18 |
Innovapostinnovapost.com
Innovapost provides information system and technology services to enhance Canada Post Group's technology investments, competitiveness, and profitability |
487 |
| 19 | 477 | |
| 20 |
Wipro Limited Canadawipro.com
Leading global IT consulting & BPO services provider using cutting-edge technologies to help clients thrive in the digital era |
464 |
| 21 |
Trutruinc.com
A solutions consultancy specializing in digital strategy, marketing, design, and development We create innovative, user-centered solutions for an ever-evolving digital landscape |
424 |
| 22 |
BFG Enterprise Servicesbfg.ca
A Canadian company partners with clients to create bespoke IT strategies, handling sourcing, implementation, field services, and customer support in-house |
416 |
| 23 |
Jolerajolera.com
This company offers next-generation managed services and solutions to MSPs and IT providers worldwide, with a focus on top-notch customer experience |
405 |
| 24 |
TELUS International Digital Solutionsavature.net
Technology division leveraging next-gen solutions for global markets, offering opportunities for developers, quality analysts, project managers, and experienced leaders in tech projects |
396 |
| 25 |
GeeksForLess Inc.geeksforless.com
Software development, staff augmentation, and BPO services provider with global offices, offering top talent integration for productivity without control loss |
380 |
| 26 |
TerraLink Globalterralink-global.com
This company provides consulting and implementation of business solutions in enterprise content management, workflow automation, resource planning, and IT infrastructure for collaboration |
378 |
| 27 |
Dell Canadadell.ca
A technology solutions provider empowering customers worldwide to achieve their dreams through innovative products and customer-centric approach |
372 |
| 28 |
Test Yantra Globaltestyantraglobal.com
Test Yantra Global offers industry-leading expertise and advanced technology solutions for digital transformation, IT consulting, professional services, managed services, software design & development, and testing services |
363 |
| 29 |
Soroc Technologysoroc.com
Technology solutions provider offering IT infrastructure deployment, consulting, managed services, staffing, maintenance, disaster recovery, and asset management services in North America |
356 |
| 30 |
EasyLink Services - now a part of OpenTexteasylink.com
It offers cloud-based messaging and transaction services, helping organizations reduce costs and improve communication efficiency through various solutions. |
352 |
| 31 |
Fully Managed by TELUS Businesstelus.com
Specialists providing comprehensive IT support services to manage and resolve IT issues, helping businesses focus on core activities. |
350 |
| 32 |
VIQ Solutionsviqsolutions.com
Global provider of secure digital voice/video capture technology & transcription services, utilizing AI for automation and human review to transform content into actionable information |
342 |
| 33 |
HIC Global Solutionshicglobalsolutions.com
Helps businesses accelerate digital transformation through CRM consulting, implementation, AI-powered solutions, integrations, and managed services to maximize Salesforce investment. |
338 |
| 34 |
NSUS Groupnsusgroup.com
A leading investment group in iGaming, specializing in investments, consulting, and marketing to launch successful online poker ventures worldwide |
334 |
| 35 |
HostPapahostpapa.ca
A customer-centric company offering reliable hosting solutions for small and medium-sized businesses, with a focus on outstanding customer service and employee development |
312 |
| 36 | 299 | |
| 37 |
ML artekamobilelive.ai
Canadian technology services company helping businesses improve sales, customer service, and operational efficiency for iconic brands using intelligence and reliability |
292 |
| 38 | 290 | |
| 39 |
Fleet Completefleetcomplete.com
Provides AI-powered fleet and asset intelligence solutions combining AI, machine learning, and IoT for global industrial and transportation fleets. |
271 |
| 40 |
Miipe Quality Solutionsmiipe.com
Specialized consultancy providing comprehensive software testing services including automation, integration, performance, and quality audits to improve delivery efficiency and quality. |
255 |
| 41 |
Quantigo AIquantigo.ai
Quantigo AI provides high-quality training data and annotation technology for AI companies in various sectors, emphasizing transparency, fair pricing, and innovation |
238 |
| 42 |
CarltonOnecarltonone.com
A powerful eCommerce and Engagement platform for creating B2B recognition, loyalty, rewards, and incentive programs with a focus on sustainability |
236 |
| 43 |
GAO RFID Inc.gaorfid.com
A leading supplier of RFID products and solutions, offering high-quality off-the-shelf products and customized solutions to a global customer base |
233 |
| 44 |
Nova Networksnovanetworks.com
A Canadian IT provider delivering customized solutions, expert consulting, and seamless technology optimization for clients since 1993 |
232 |
| 45 |
Calian IT & Cyber Solutionscalian.com
Global provider of IT & Cyber Solutions, digital healthcare, and application modernization Offering proactive, scalable solutions to drive innovation for various industries |
230 |
| 46 |
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 |
| 47 |
Infotek Consulting Inc.infotek-consulting.com
An employee-based IT services provider with offices in Canada and the US, offering resource augmentation and solution delivery to clients |
200 |
| 48 |
DependableITdependableit.com
Transformative IT services with a focus on innovation, security, and success Specialized in premium contact center services for over 25 years |
199 |
| 49 |
ET Groupetgroup.ca
A leading collaboration integrator with roots in sound and vision technologies, working with dynamic enterprises to reinvent collaboration strategies globally |
196 |
| 50 |
OntarioMDontariomd.ca
This company supports physicians in selecting, adopting, and optimizing electronic medical records, as well as developing EMR-connected digital health applications for improved patient care |
183 |
| 51 |
Hitachi Solutions Canadaglobal.hitachi-solutions.com
A trusted provider of industry solutions built on the Microsoft Cloud, helping clients compete globally with powerful, easy-to-use technology |
182 |
| 52 | 180 | |
| 53 |
AVI-SPL Canadaavispl.ca
A global leader in AV/UC integration and digital solutions, empowering organizations to redefine collaboration, elevate experiences, and unlock business value |
180 |
| 54 |
NetSet Software Solutionsnetsetsoftware.com
An AI and Web30 development company with ISO and CMMI certifications, specializing in custom software solutions for web, mobile, and desktop platforms |
178 |
| 55 |
Pathway Communicationspathcom.com
Innovative IT and communication solutions provider since 1995 offering Managed IT Services, Cybersecurity, Data Center, Cloud, Voice, Data, and Internet services |
177 |
| 56 |
Softsquaresoftsquare.biz
We are a Salesforce Platinum partner providing consulting, customization, integration, and product development services globally with a focus on AppExchange products |
175 |
| 57 |
Nerds On Sitenerdsonsite.com
Passionate tech partner focused on maximizing computer technology to enhance profitability and enjoyment, aiming to become the PowerBrand of choice |
173 |
| 58 |
BLAZESOFTblazesoft.ca
A leading provider of social gaming solutions in the US and Canada, focused on innovation and enhancing user experiences with cutting-edge technology |
172 |
| 59 | 171 | |
| 60 |
J&M Group
A leading provider of IT Staff Augmentation and Direct recruitment services for Fortune 500 tech companies in North America and various industry verticals |
166 |
| 61 |
Adeptmindadeptmind.ai
An AI company in Toronto specializing in e-commerce search, blending active learning with deep learning for high accuracy and quick data bootstrapping |
163 |
| 62 |
Smart Solutionsmartsolution.com
Provider of innovative digital financial management solutions for financial institutions worldwide, offering a leading-edge suite of integrated core banking and financial processing solutions |
162 |
| 63 |
Sybex Support Servicessybex.io
A privately held staffing company in New Delhi offering a wide array of solutions for staffing needs, including temporary, contract, and permanent placements |
161 |
| 64 |
QA Consultantsqaconsultants.com
An award-winning provider of software testing, quality assurance, and engineering solutions for businesses, industry, and government sectors for nearly 30 years |
158 |
| 65 |
Infoyainfoya.com
Pioneering consulting firm focusing on innovation and business transformation, collaborating with visionary leaders to address clients' challenges and drive tangible results |
158 |
| 66 |
iTechnolabs Incitechnolabs.ca
An IT firm offering website & mobile app development services with a focus on web design, ecommerce solutions, & digital marketing |
157 |
| 67 |
STADXL Consultingstadxl.ca
Results-driven consulting firm specializing in optimizing individual and organizational performance through practical project-related processes and techniques in project management, business analysis, and agile development |
154 |
| 68 |
SEB Administrative Services Inc.seb-admin.com
A leading-edge benefits administration provider with a focus on flexible healthcare plans, utilizing innovative technology solutions for Canadian and international markets |
153 |
| 69 |
Rootquotientrootquotient.com
A global product engineering company specializing in custom software development for various industries, known for innovation, exceptional UI/UX, and client satisfaction |
149 |
| 70 |
SRA Groupsrastaffing.ca
A premier staffing firm specializing in IT recruiting and project staffing for government, multinational corporations, and software start-ups across Canada |
147 |
| 71 |
GlassHouse Systemsghsystems.com
Infrastructure, security, and managed services provider with over 30 years of experience delivering enterprise-level solutions to leading enterprises in Canada and the US |
147 |
| 72 |
ITON Technologies Pvt. ltd.iton.com
A Canadian software company specializing in various industries such as Office Automation, Social Media Marketing, Banking, Telco, and Digital Archiving |
147 |
| 73 |
Everlinkeverlink.ca
A leading provider of innovative payments solutions for credit unions, banks, and SMEs in Canada, offering technology infrastructure, fraud management, mobile payments, and more |
110 |
| 74 |
IT Weaponsitweapons.ca
Provider of IT services, hybrid cloud solutions, information security, connectivity, infrastructure management, and technical support to streamline and optimize technology environments for businesses |
109 |
| 75 |
2iSolutions Inc.2isolutions.com
A SAP Gold Partner offering consulting, training, and solutions like Rise With SAP and S/4HANA to global clients, specializing in SAP services and technology |
101 |
| 76 |
PeopleToGo Inc.peopletogo.com
A leading North American staffing and technology services provider, addressing IT talent gaps for companies with a consultative approach and diverse service offerings |
98 |
| 77 |
GoFleetgofleet.com
Industry leader in GPS fleet tracking and management, providing innovative telematics solutions to reduce fleet costs and improve efficiency for Fortune 500 companies |
98 |
| 78 |
inceptawww2.inceptasolutions.com
A global tech-driven company specializing in AI, IoT, and hyper-automation solutions across various industries like retail, finance, healthcare, public sector, and staffing |
91 |
| 79 |
New Horizon System Solutions LPca.capgemini.com
Provider of consulting, IT outsourcing, data center services, infrastructure transformation, project management, virtualization, and workplace services under Capgemini umbrella |
89 |
| 80 |
Beam Databeamdata.ai
Leader in data and AI consulting, serving Fortune 500 companies and startups globally with innovative solutions |
84 |
| 81 |
servicePathβ’servicepath.co
It automates the Configure Price Quote process, enabling faster, accurate quotes for technology vendors and service providers in competitive markets. |
64 |
| 82 |
Mid-Range Computer Group Inc.midrange.ca
A leading IT solutions provider with a strong track record, specializing in IBM, Oracle, and Veeam technologies, offering co-location, hosting, and disaster recovery services |
58 |
| 83 |
THINQ Technologies Ltd. | DirectDial.comdirectdial.com
A leading provider of IT technology solutions to businesses, offering a wide range of hardware and software products, expert consultation, and extensive service coverage |
56 |
| 84 |
Skyward Techno Solutions Pvt. Ltd.skywardtechno.com
It provides customized software solutions including CRM, ERP, and app development services, catering to businesses of all sizes and needs. |
55 |
| 85 |
IBISKAibiska.com
A dynamic consulting firm in the IT/IM field, specializing in solutions architecture, cybersecurity, cloud computing, data science, AI expertise, and project management |
53 |
| 86 |
Retalonretalon.com
Provider of advanced analytics and AI solutions for Retail, specializing in Planning, Inventory, Pricing, and Promotions through a unified platform |
47 |
| 87 |
IT Forceitforce.ca
A technology service provider specializing in IT solutions for various sectors, offering managed IT, cloud, security, and industry-specific insights since 1999 |
47 |
| 88 |
Infomatiqinfomatiq.com
This company is a top technology firm with over 25 years of experience, providing valuable solutions and world-class service to global organizations |
46 |
| 89 |
AUGMENTTaugmentt.com
Centralized SaaS security platform for MSPs to deliver managed security services for Microsoft and cloud apps, offering visibility, protection, and threat detection |
44 |
| 90 |
DataCitydatacity.ca
A privately-held company providing mission critical IT/datacenter services for corporate institutions, offering fully managed IT support for medium to large/enterprise companies |
39 |
| 91 |
BRIK Partnersbrikpartners.com
A leading B2B provider of IT solutions and services, helping clients gain a competitive edge with quality solutions, serving US and Canada |
38 |
| 92 |
Denologix, Inc.denologix.com
A leading Analytics & Information Management company specializing in Big Data, AI, and Machine Learning solutions, empowering businesses to make informed decisions |
35 |
| 93 |
i3 Solutions Inci3inc.ca
A technology-driven innovator providing digital healthcare solutions, focused on redefining healthcare for the new millennium with integrity and inspiration |
34 |
| 94 |
Xennial Innovations Inc.xennial.com
Transforming businesses with seamless solutions & AI, empowering visionaries to turn their dreams into realities, driving innovation and shaping the future |
34 |
| 95 |
Audcompaudcomp.com
A Canadian IT solutions provider offering managed services, cloud services, IT infrastructure, data storage, networking, software, procurement, and professional services |
34 |
| 96 |
Lenovo Canadalenovo.com
A global technology company focused on developing innovative smart devices and infrastructure to create a more inclusive, trustworthy, and sustainable digital society |
34 |
| 97 |
MAUM.AImindslab.ai
AIaaS firm offering cutting-edge Artificial-Intelligence technology through AI solutions, Education AI, AI Contact Center, API Services, and R&D in all AI stages |
31 |
| 98 |
Descartes Peoplevoxpeoplevox.com
provides warehouse management system enabling e-commerce brands to control fulfillment processes efficiently and scale operations with 24/7 support |
30 |
| 99 |
Northern Micro, A Converge Companynorthernmicro.com
Provider of integrated IT solutions leveraging expertise in computing, infrastructure, and datacentre technologies Partnered with industry leaders to deliver innovative solutions and exceptional customer satisfaction |
28 |
| 100 |
Fusepoint Managed Servicesfusepoint.com
A leading provider of managed IT solutions with a focus on security and availability, offering expertise, data centres, customer support, and strategic partnerships |
27 |
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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 Oct 24, 2026.
More company lists in Ontario
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- Financial services firms in Ontario 315
- Critical infrastructure operators in Ontario 262
- SaaS companies in Ontario 232
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- Truck Transportation companies in Ontario 206
- Transportation, Logistics, Supply Chain and Storage companies in Ontario 196
- Public sector organisations in Ontario 196
- Hospitals and Health Care companies in Ontario 195
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- Manufacturers in Ontario 169
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- Non-profit Organizations companies in Ontario 106
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The same list elsewhere in Canada
- IT Services and IT Consulting companies in Canada 350
- IT Services and IT Consulting companies in the province of Quebec 89
- IT Services and IT Consulting companies in British Columbia 28
- IT Services and IT Consulting companies in Alberta 27
- IT Services and IT Consulting companies in Toronto 75
- IT Services and IT Consulting companies in Montreal 53