Top Tech Startups in Ontario, Canada in 2027

JUTEQ builds/provides software products/solutions and seamless platform integrations with other systems that enable its customers to stay focused on their business. With the breadth of enterprise and consumer experience in financial services, identity management, telcos and mobile industry, supply chain and distribution network, health care, media and advertisement industry, our team with more than 50 years of experience excels in building solutions on cloud infrastructure, payment integrators, public and private blockchains; server, middleware and client security, data at rest and in transit on the traditional, graph and document databases, and analytics using AI/ML. JUTEQ advises clients to build the technology roadmap and strategy for their immediate and long-term sustainability of the business; define system architectures and solutions; create and implement the best information and security management practices and build a tech focus and strong team for high-quality delivery. Our engagements include: - Application architecture and containerization - Continuous Integration and Deployment pipelines - DevOps as a Service - Application Modernization (Green and Brownfield) - Cloud Migrations - Container orchestration - K8s installation and configuration

Lemberg Health is a remote dosimetry services firm providing on-demand, expert treatment planning to radiation oncology clinics across Canada and the United States. Founded by a dual-licensed Certified Medical Dosimetrist (CMD) with clinical experience at Princess Margaret.

LexSort Legal is a local-first case management tool built specifically for Ontario criminal defence lawyers. Everything — client communications, disclosure documents, matter files, AI-assisted extraction — runs entirely on the lawyer's own machine. Nothing goes to the cloud. Criminal defence practice involves some of the most sensitive material in law: unredacted Crown disclosure, wiretap transcripts, informant records, and constant client communication under real time pressure. Commercial cloud AI tools require uploading this material to third-party servers, which creates real confidentiality and Law Society of Ontario compliance risk. LexSort was built as the alternative: a sovereign, on-device workstation where AI helps organize and surface information, but every suggested action requires the lawyer's explicit review before it's committed — human-in-the-loop by design, not an autonomous agent making decisions unsupervised. We're an early-stage, pre-revenue company, and we're upfront about that. We're working with a practicing Ontario criminal defence lawyer for product development and feedback, and in active hands-on co-design with a law student testing the application directly. We have a native desktop application for macOS, verified end-to-end on a clean install, with a Windows version in active development. If you care about building software that handles real stakes — where a missed detail has real consequences for someone's liberty, not just a business metric — this is that kind of work.

Quartermaster helps GTA homeowners find trusted, neighbour-referred home service pros and stay on top of everyday tasks, like remembering to take out the recycling. Download Quartermaster on the App Store or visit quartermaster.house to learn more.