Business Details
22 Years
experience
Trusted Engineering Solutions in London, Ontario
Callidus Engineering has spent two decades designing the critical systems that ensure buildings function seamlessly. Our expertise spans electrical, mechanical, and life safety systems, with a focus on delivering innovative engineering solutions paired with exceptional client service. Headquartered in London, Ontario, with additional offices in Kingston and Kitchener, we serve clients across Canada. Our team of over 20 professionals includes licensed engineers and designers who bring deep technical knowledge to every project. We specialize in mechanical and electrical engineering for commercial, residential, healthcare, industrial, and institutional sectors. Our commitment to quality is reflected in our ability to meet tight timelines while maintaining code compliance and system efficiency.Clients consistently praise our responsiveness, cost-effectiveness, and problem-solving capabilities. As a locally owned firm, we combine national expertise with personalized service, building long-term relationships through consistent communication and reliable execution. Our track record includes complex projects requiring energy audits, building automation, and integrated testing. We maintain strong partnerships with architects, contractors, and consultants to deliver holistic solutions that meet both functional and economic requirements.
Services
Electrical Systems
Mechanical Systems
Life Safety Systems
Special Systems
Integrated Testing
Building Automation
Energy Audits
Fire Protection
Plumbing Design
HVAC Systems
Details
- Year established: 2004
Highlights and features
- We have 20 years of experience in mechanical and electrical engineering design.
- Our team includes licensed professionals with expertise in building systems.
- We provide cost-effective solutions while maintaining technical excellence.
- We maintain up-to-date knowledge of Ontario Building Code requirements.
- We build long-term relationships through consistent communication and reliability.
What people say
Responsive during projects
Top of class technical knowledge
Cost-sensitive solutions
Strong relationships built
Effective designs
Services
Electrical Systems
We design comprehensive electrical systems including distribution networks, backup power solutions, and low-voltage systems. Our expertise covers fire alarms, voice/data infrastructure, and security systems. We coordinate with supply authorities to ensure code compliance and system reliability for commercial and institutional buildings.
Mechanical Systems
Our mechanical engineering services include HVAC systems, plumbing design, and energy-efficient heating solutions. We implement chilled water systems, radiant heating, and building automation controls. Our team ensures optimal indoor climate while meeting energy efficiency standards for residential and commercial projects.
Life Safety Systems
We specialize in life safety systems including fire pumps, sprinkler systems, and emergency power solutions. Our designs meet strict code requirements for healthcare facilities, high-rise buildings, and industrial sites. We provide specialty fire suppression systems and emergency lighting solutions for critical infrastructure.
Integrated Testing
Our integrated testing services ensure building systems function as designed. We coordinate testing for electrical, mechanical, and life safety systems. Our process includes documentation, performance verification, and certification to guarantee operational readiness for new constructions and major renovations.
Building Automation
We implement building automation systems that optimize energy use and operational efficiency. Our solutions include hydronic heating controls, forced air system management, and integrated monitoring platforms. These systems enhance comfort while reducing energy costs for commercial and institutional facilities.
People
Matthew Van Gilst
CEO, Senior Principal
With over 20 years of engineering experience, Matthew leads Callidus Engineering as CEO. He oversees strategic direction and technical excellence, ensuring client satisfaction across mechanical and electrical projects throughout Canada.
S. Grant Hall
Founder, Senior Principal
As founder, Grant established Callidus Engineering's commitment to quality. He provides technical leadership on complex projects, drawing from decades of experience in building systems design and engineering management.
Jennifer Stanley
Principal, Director of Engineering
Jennifer oversees engineering operations and project delivery. With expertise in mechanical systems, she ensures technical accuracy and code compliance across residential, commercial, and institutional projects nationwide.
Derek Reid
Principal
Derek manages key client relationships and project execution. His engineering background spans electrical systems design and integrated building solutions for diverse sectors including healthcare and industrial facilities.
Zam Abdulla
Principal, Branch Manager (KW)
Zam leads the Kitchener-Waterloo office, specializing in electrical engineering solutions. He manages regional projects while maintaining technical excellence in power distribution and life safety systems design.
Questions
What engineering services does Callidus offer?
We provide mechanical and electrical engineering services including HVAC, plumbing, power systems, life safety systems, and integrated testing for commercial, residential, and institutional buildings.
How long has Callidus Engineering been in business?
Callidus Engineering has been serving clients across Canada for over 20 years, with offices in London, Kingston, and Kitchener, Ontario.
What building sectors does Callidus specialize in?
We work across multiple sectors including healthcare, industrial, residential, commercial, educational, and institutional buildings with specialized engineering solutions.
What makes Callidus different from other engineering firms?
Our combination of technical expertise, responsiveness, and long-term client relationships sets us apart. We maintain deep knowledge of Ontario Building Code requirements and industry standards.
Do you offer integrated systems testing?
Yes, we provide comprehensive integrated testing services to verify building systems functionality, including documentation, performance testing, and certification processes.
