Unlocking Excellence with Sepco Consulting Engineers:
Trusted Structural Engineer in Toronto – Residential, Commercial & Industrial Projects
Welcome to Sepco Consulting Engineers, a leading structural engineering firm in Toronto. Our team has extensive expertise in managing projects of varying complexity, translating complex engineering concepts into practical solutions. We specialize in delivering comprehensive structural engineering solutions for residential, commercial, institutional and industrial projects. Our licensed structural engineers provide expert analysis, structural design, and consulting services with a strong commitment to quality. We are dedicated to ensuring every project is safe, compliant, and built to last, providing reliable, high-quality solutions that meet client needs.
Our Approach to Structural Analysis
We use advanced structural analysis techniques to evaluate buildings under various loads. Whether planning a new construction, renovation, or structural inspection, or a pre-construction condition survey, our engineers deliver tailored solutions optimized for strength, efficiency, and cost-effectiveness.
These advanced techniques help improve design efficiency and project outcomes by enabling more innovative and sustainable engineering practices.
Tailored Solutions for Residential, Commercial & Industrial Projects
We offer tailored solutions for every project type:
- Residential Structural Engineering: Custom designs for homes, renovations, and additions, including wood-frame and concrete structures that comply with the Ontario Building Code
- Commercial & Institutional Projects: Efficient structural design and analysis for offices, educational buildings, retail spaces, and other commercial structures, following CSA Group standards.
- Industrial Projects: Structural solutions for factories, warehouses, manufacturing plants, and specialized industrial facilities, including heavy machinery support, cable tray systems, suspended electrical support structures, and complex structures designed in accordance with Canadian Institute of Steel Construction guidelines.
- Structural Assessment & Load Path Analysis: Detailed evaluation of existing structures, including verification of gravity and lateral load paths during renovations, equipment upgrades, and structural modifications to ensure safety and code compliance.
For property buyers, see our Pre-Purchase Structural Assessment service. - Specialized & Complex Solutions: Advanced steel and aluminum structures, seismic design, retaining walls, and unique custom projects guided by ASCE best practices, designed to stand the test of time.
- Pre-Construction Condition Surveys: Baseline condition reports to document existing building conditions prior to nearby construction and reduce risk of disputes.
Read our reviews and testimonials to see how we deliver client satisfaction and reliable results.
Ready to get started? View Our Services

Dr. Reza Parsiavash, P.Eng., Ph.D.
Principal Structural Engineer, Founder
Our firm is led by its founder, a licensed Professional Engineer and Designated Consulting Engineer with over 20 years of experience in structural design. He provides technical oversight and professional accountability for all projects, ensuring designs are grounded in Canadian codes and optimized for real-world constructability.
Why Choose Sepco Consulting Engineers?
- Technical Authority: Leadership by a Ph.D. and Designated Consulting Engineer regulated by Professional Engineers Ontario (PEO) ensures a higher standard of care.
- Senior Oversight on Site: Principal-level involvement with 20+ years of experience facilitates faster municipal approvals and direct accountability.
- Cost-Effective Design: We prioritize structural optimization to reduce material waste and overall construction costs.
- Regulatory Expertise: Thorough, detailed structural reports designed for seamless stakeholder and municipal review, in line with the National Building Code of Canada (NBC).
Local Expertise in Toronto
Our team proudly serves clients throughout Toronto and surrounding areas, offering personalized attention and locally compliant designs. Whether you need a residential, commercial, or industrial structural engineer, we are ready to support your project.
Looking for a structural engineer near you? Contact Us Today
Ready to Build with Confidence?
From initial design to project completion, Sepco Consulting Engineers provides expert guidance every step of the way. We are committed to efficient scheduling and completing your projects on time to ensure a smooth and positive experience. Let us be your trusted partner for residential, commercial, and industrial structural projects. Contact Us Today
Client Reviews & Ratings
Rated 5.0 ★★★★★ based on 25+ client reviews on Google.
Our clients trust us with complex structural challenges across residential, commercial, and industrial projects. We’re proud to maintain consistently high satisfaction and strong long-term relationships with contractors, owners, and design teams.
5-Star Client Experience
Clear communication, practical solutions, and responsive support from concept to completion.
Technical Excellence
Designs rooted in codes, standards, and real-world construction practice.
Long-Term Reliability
Structures engineered for safety, durability, and efficient constructability.
Commitment to Quality
At Sepco Consulting Engineers, every project is treated as a critical piece of the built environment – whether it’s a small modification or a complex facility.
Our process combines careful analysis, clear documentation, and practical, constructible details. We work closely with owners, architects, fabricators, and contractors to keep projects moving forward without surprises.
From the first conversation to final review, our goal is simple: safe, efficient, code-compliant structures that perform as intended and are straightforward to build.
Insights & Articles
We regularly publish technical insights on structural engineering, code compliance, connection design, and advanced FEA to help owners, designers, and contractors make better decisions.
Pre-Construction Condition Survey in Toronto: Protecting Your Property from Nearby Construction
If construction is happening next to your property in Toronto or the GTA, it is important to understand how your building may be affected and what steps you should take to protect it. Excavation, demolition, and heavy equipment can introduce vibration and ground movement that may impact adjacent structures. A proper pre-construction condition survey helps reduce risk and avoid disputes.
A pre-construction condition survey, also known as a baseline condition report, documents the visible condition of a building before nearby construction begins.
Understanding Strut–Waler Loads in Excavation and Tunneling Projects
Deep excavations for high-rise buildings, underground parking structures, and increasingly for tunneling and subway line construction demand advanced temporary support systems to control soil movement and maintain stability.
Whether constructing a 100-foot-deep basement in an urban core or a metro station box beneath a busy street, the challenge is the same: resist enormous lateral earth and groundwater pressures safely and efficiently.
Structural Load Paths Explained: How Forces Actually Travel Through Buildings (and Why Mistakes Cause Failures)
Understanding how loads travel through a structure is one of the most fundamental concepts in engineering — yet also one of the most misunderstood. Every building, from a simple house to a high-rise tower, relies on continuous, predictable paths that carry forces safely from where they originate to where they can be resisted. When those paths are broken, weakened, or altered, failures occur. Improperly designed or interrupted load paths can result in structural failure, leading to collapse or significant damage.
Professional Licences & Design Standards

Licensed Professional Engineers (PEO)
Designated Consulting Engineer (PEO)
We are fully licensed by Professional Engineers Ontario to practice structural engineering, and hold Designated Consulting Engineer status, recognizing our advanced expertise, experience, and professional responsibility in complex engineering work.

CWB Group (Canadian Welding Association)
Certified welding engineer by the Canadian Welding Bureau, ensuring compliance with CSA welding standards for structural steel design, fabrication, and review.
Design Codes & Engineering Standards
Our structural engineering work is based on the relevant national and international standards, including:
• CSA (Canadian Standards Association)
• OBC / NBC – Ontario and National Building Codes
• CISC – Steel Design Handbook (Canada)
• AISC – Steel Construction Manual (USA)
• ASCE – Structural design references
• ACI – Concrete design principles
These standards guide our work to ensure safety, performance, and compliance on every project.
Contact us and let us know how we can help with your engineering needs.
Structural Engineering FAQs
Do I need a structural engineer for removing a load-bearing wall?
Yes. Any time you remove or modify a load-bearing wall, you’re changing how loads travel through the structure. A structural engineer evaluates existing framing, designs a safe replacement beam or lintel, and provides stamped drawings required for permit and construction.Can you help with both residential and industrial projects?
Yes. We work on residential renovations and additions, commercial buildings, and industrial structures and equipment supports. Our experience ranges from houses and small buildings to complex process, lab, and industrial facilities.Do you provide site visits and inspections?
Yes. We regularly perform on-site reviews to assess existing conditions, confirm load paths, review contractor work, and support building officials or owners during construction.Which codes and standards do you design to?
Our designs are based on current Canadian and international standards, including CSA, NBC/OBC, CISC, AISC, ASCE, and other applicable codes for steel, concrete, wood, and masonry structures.Can you work as prime or lead structural consultant on larger projects?
Yes. Sepco Consulting Engineers can coordinate structural design with architects, other engineers, and project stakeholders, including code compliance and permit submissions.
