Featured Projects

The OTC Group

The OTC Group

A Design Build Project of a 25,000 sq. ft. interior to accommodate the new corporate facilities, and a high tech large scale printing facility. The scope of work included building a 5,100 sq. ft. area of office space as well as a climate control production space.

 Lucan Medical Building

Lucan Medical Building

A design / build construction of a medical facility complete with reception area, waiting room, examination room, doctors offices, accessible washroom, X-Ray, Mammogram, Bone Density, Ultra Sound, Physiotherapy, Pharmacy and Staff area.

Municipal offices & Library

Municipal offices & Library

Repurpose of the 14,000 Sq ft old Lucan Public School into the new township offices and library. The project included complete interior demolition, construction of 7,000 sq ft township offices, council chambers, vault, and a 7,000 sq ft public library.

Installing a 7 Ton Cooling Unit at Western’s DSB

Restaurant Ninety One

S.E.M. Construction

London Ontario General Contractors

S.E.M. Construction is a Canadian turnkey general contractor; specializing in designing and constructing doctors’ offices, Institutional expansions and upgrades, hospital renovations, retro fitting historical buildings & Executive office buildings.

S.E.M. Construction will guide your project from concept through completion. At S.E.M. we have assembled a group of resources and professionals including:
Ontario Construction Company

  • Architects, Designers & Engineers
  • Skilled Builders with years of experience in the construction field
  • Mechanical team of heating/cooling & plumbing
  • Electrical specialists
  • Custom carpenters
  • Flooring
  • Painters

Our experience and attention to details provides our clients with peace of mind that their project whether it is a Design Build or an retro fit for interior restructuring it will be cost effective, functional, finished on time with a quality that exceeds their expectations.

During renovation projects, our flexibility enables us to work around operating hours; which may include weekends, evenings or even overnight. Our ultimate goal is to ensure that our clients’ operations are never interrupted by construction.



Our design team works with our clients to create a functional space for their needs. The years of experience in designing offices, Pharmacies, Clinics, Hospitals and labs contributes to the optimum use of space, making the day to day work flow seamless.


S.E.M. Construction has well diversified personnel that are able to complete our more complex projects as well as our smaller ones on time and on budget. Exterior and Interior medical construction is one of core strengths.

Heating and Cooling

Each of our projects has its own heating and cooling challenges; our HVAC experts ensure that our solutions provide our clients with systems that are adequate for the space and the H/C load.


Our licensed plumbers are TSSA certified with expertise in hot water systems, back flow prevention, in-floor heating, process piping and gas fitting.


Our electrical services include panel installation and upgrades, lighting systems, smoke detection and data networking.

Custom Carpentry

Our interior designs and custom carpentry enables our clients to have ultimate filing and storage solutions, sleek display units, smart work stations and functional counters & shelving.


Our selection of flooring solutions varies by function, size & budget. We work with ceramic tiles, carpet, vinyl, hard wood and laminate.


In operational business facilities, having to re-paint interior or exterior walls every so often is a challenge; that’s why our skilled crew of painters provides our clients with quality & durable paint with a sharp & accurate finish that last years and years.

Alarm & Security

Protecting our client’s properties is also one of our turn key solutions and it includes digital Video Surveillance systems, motion detection, glass breakage detection, doors and windows rod metal bars installation and fire detection.


Western University’s CL2+ & CL3

Western University’s CL2+ & CL3 Laboratory is currently under construction. This project commenced September 2016 and is set for completion…

Western University’s Alumni House

Western University’s Alumni House Renovations currently under construction includes re-painting and new light fixtures in the existing student suites and…

Sarnia Courthouse Upgrades

Sarnia Courthouse Lighting & Fixture Upgrades is currently under construction and includes the replacement of lighting fixtures in a functioning…


Contact Info

+1 519 432 3333
11-1615 North Routledge Pk,
London, ON. N6H 5L6