Commercial New Builds
From retail and healthcare spaces to multi-unit developments — we build with precision, compliance, and accountability.
From retail and healthcare spaces to multi-unit developments — we build with precision, compliance, and accountability.






Building for Business Performance

Professional spaces built for productivity, functionality, and a modern corporate image.

Studios, gyms, change rooms, acoustic treatments, and resilient flooring.

Hygienic, regulated facilities built with precision for healthcare operations.

Classrooms, labs, libraries, and student services with robust durability.

Custom-built dining and hospitality spaces optimized for efficiency and ambiance.

Visually appealing spaces designed to elevate customer experience and brand visibility.
We tailor our delivery model to your scope — whether it’s a fast‑track tenant improvement or a full design‑build engagement.
We start by assessing your project scope, securing permits, and aligning with OBC and municipal codes.
Our team constructs a strong foundation and core framing, ensuring safety and long-term integrity.
Installation of advanced mechanical, electrical, and plumbing systems to meet industrial-grade demands.
Custom finishes that balance brand identity, functionality, and aesthetics for your business environment.
We complete a full quality review, ensuring code compliance and readiness for occupancy.
We deliver projects on time — every time. Our streamlined construction process and hands-on management ensure fast, reliable results without ever compromising quality.
As a fully licensed and insured contractor, MJ Ontario Constructions brings trusted expertise, compliance, and peace of mind to every build.
Our in-house trades and skilled professionals guarantee consistent quality, precision detailing, and superior results on every project — commercial, industrial, or residential.
From concept to completion, our dedicated project managers coordinate every detail, giving you a seamless and stress-free construction experience.
Your investment is fully protected. We maintain up to $10 million in liability insurance, ensuring the highest level of safety and accountability across all job sites.
We stand firmly behind our craftsmanship. Every project is backed by MJ Ontario Constructions’ workmanship warranty, reflecting our confidence in the quality we deliver.
Commercial buildings must meet additional standards for fire safety, accessibility, zoning, and structural load requirements — often exceeding those for residential homes.
Commercial projects involve more disciplines — architects, engineers, inspectors, and tenants — requiring precise scheduling and communication.
Mechanical, electrical, and plumbing systems in commercial buildings are designed for continuous use, scalability, and compliance with industrial-grade safety standards.
While residential projects focus on aesthetics and comfort, commercial builds prioritize efficiency, operational flow, and long-term investment value.
Yes. Our team manages every aspect of permitting, zoning, and code compliance to ensure your commercial project progresses without delays.
Every project is assigned a dedicated project manager and site supervisor to oversee daily operations, timelines, and safety compliance.
Yes! We stand behind our craftsmanship. Our work is backed by a warranty to ensure your peace of mind and the long-term quality of your build.
We offer turnkey delivery — design, engineering, permitting, construction, MEP systems, finishing, and handover.
Absolutely! We are experienced in handling commercial builds of all sizes, from small offices to large-scale buildings. Our team of skilled professionals is equipped to meet the unique demands of commercial spaces.
Absolutely. All construction meets or exceeds OBC standards, including accessibility, fire safety, and structural integrity.
Every project is assigned a dedicated project manager and site supervisor to oversee daily operations, timelines, and safety compliance.
Yes. We specialize in medical clinics, offices, retail plazas, and other commercial spaces that require precision and regulatory compliance.
Depending on project size and complexity, timelines range from 6 to 18 months. We provide detailed schedules and updates throughout the process.
Absolutely! We work closely with you to understand your budget constraints and design a solution that maximizes your investment. Our team will help prioritize key elements of the project to ensure you get the best value without compromising quality.

