Contact Cornerstone Trade Solutions

Book a service call, ask a question, or get a quote. We serve Guelph, Kitchener, Waterloo, Cambridge, and the surrounding region.

Book a Service Call

Fill out the form below and a member of the Cornerstone team will follow up to confirm your appointment. For urgent issues, please call us directly.

Full Name

Phone Number

Email Address

Company / Property Manager

Service Needed

Service Address

Unit / Suite Number

Description of the Issue

Photos or Files

Optional. Upload up to 5 photos or files, 10 MB each.

Contact Information

📞 Phone

Guelph: 519-993-0494

K/W Cambridge: 1-800-756-5035

📍 Office Location

400 Elizabeth St Unit A-B
Guelph, Ontario N1E 2Y1

🗺️ Service Areas

✓ Guelph
✓ Kitchener
✓ Waterloo
✓ Cambridge
✓ Wellington County
✓ Waterloo Region

💡 Tip: What to Include

Share your service address, the system or fixture involved, what you're seeing or experiencing, and any urgency or safety concerns. This helps us route the right technician efficiently.

What Can We Help With?

🔧

Plumbing

Repairs, drain cleaning, gas piping, water heaters, and construction plumbing.

🌡️

HVAC

Furnace, AC, heat pumps, boilers, ductwork, humidifiers, and more.

⚡

Electrical

Panel upgrades, EV chargers, generators, knob & tube, and commercial work.