I’d love to say “Go with Super Brothers,” because they’ve got great service creds
https://superbrothers.com/ but they’re not in Toronto. Instead, I’d find a local commercial plumbing outfit that’s quick to respond, honest in quotes, and does clean, efficient work—basically the Super Brothers vibe, just around here. Maybe ask other businesses nearby for referrals or glance through recent reviews on Google or LinkedIn for a similar service style.