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Klos concepts executed flawlessly from start to finish. Karl provided insightful and constructive input on how to achieve desired results. His team executed quickly and was very professional. Definitely recommend this company.

Klos did all the electrical work on our new house. Approach, execution, and follow up all of the highest caliber. The electricians engaged in the work were professional, knowledgeable and personable. Excellent work and outcome.

Great customer service, very responsive and timely — we were in a bind with no heat due to breaker failure on rooftop unit. Klos was there with proper parts & technician within 24 hours, thankfully.

Klos is my go-to team for electrical needs big or small. I love working with Robyn — she’s a dedicated professional.

The team at Klos was very efficient and professional from start to finish for the addition of an outlet in my kitchen.

We had a wired-in smoke detector go rogue and activate at all hours of the night. We contacted Klos Concepts and were so impressed by the level of service! Andrew set up an appointment, and kept us informed at every stage of the process. Tom arrived when he said he would and fixed the problem in short order. Everyone we dealt with was professional, friendly, and communicated what was going on. 5 stars for sure!

Fantastic experience from start to finish. When quoting, the team gave lots of options and suggestions for repairs and possible upgrades. During work, the team took lots of time to throughly explain how everything was being done, and gave an excellent breakdown of potential options when roadblocks occurred. Everyone worked flexibly with our schedule and was kind, courteous, friendly, and very responsive. All the work was completed on time and on budget with an extremely high level of attention to detail. Very pleased with everything and would highly recommend Klos to everyone!

The only electrical team and company I trust in the city of Toronto, Province of Ontario and the Country. You hear so many stories of trades going wrong — not with Karl and his team — you are in amazing hands, the job is done right, nothing to worry about and reasonable. Don’t look anywhere else — call them for all of your electrical needs!

We’ve worked with Klos Concepts on many projects over the years, both larger scale renovations and smaller jobs, and they are exceptional across the board. As a contractor and home builder, trust, reliability, attention to detail and competence are non negotiable, and they have always consistently delivered on all.
Everyone on their team is highly professional, knowledgeable, and efficient, with a clear commitment to doing things properly and safely. Everyone communicates well, stays organized, and get the job done right. On the rare occasion something needs to be adjusted or revisited, they’re quick to respond and always make it right without hesitation.
We also appreciate their diverse team of skilled men and women something both we and our clients appreciate.
An excellent company with an excellent team. We trust Klos Concepts completely and highly recommend them to anyone throughout the GTA.

I had an excellent experience with Klos Concepts when they were called in to troubleshoot some electrical issues at my property. From start to finish, the service was professional, efficient, and incredibly reassuring.

A special shout-out to Robyn for her exceptional work. She arrived exactly on time, was friendly and approachable, and demonstrated absolute electrical expertise. What really stood out was her ability to quickly get to the root of the problem, clearly explain what was happening, and provide sound, practical advice on next steps. It was obvious she knew exactly what she was doing and took real pride in her work.

Electrical issues can be stressful, but Klos Concepts inspires confidence. They are the kind of professionals you truly trust to do the job right the first time. I would not hesitate for a second to recommend them for any job that requires the very best in electrical work.

If you’re looking for skilled, reliable, and top-tier electricians — Klos Concepts is the team to call