Looking for irrigation & outdoor lighting companies in Markham? We scored local companies on their Google rating, how many reviews they have earned and how complete their business profile is, then ranked the 3 strongest below. All companies can be included in the ranking.
Use the comparison table for a quick overview, then read each profile for what customers consistently praise, any recurring complaints, and the services each company offers in Markham and the surrounding area.
| # | Company | Score | Rating | Best for |
|---|---|---|---|---|
| 1 | Terrastone Landscaping Inc. | 80 | 4.9 (60) | Polished hardscaping on a budget |
| 2 | Avanti Landscaping | 74 | 4.6 (70) | Large hardscaping projects with pools |
| 3 | Ramada Landscaping Services | 59 | 4.2 (38) | Sod, sprinklers & fences |
Best for Polished hardscaping on a budget
Joe handles design and communication personally, and the crew keeps sites clean and projects on time and on budget.
Watch out: A few clients had to chase post-job follow-ups.
Best for Large hardscaping projects with pools
Crew members Corey, Eduard, Derrick and Tom are praised for patience on driveways, and the company scales to full backyards with pools and decking.
Watch out: One recent project had permitting and refund problems.
Best for Sod, sprinklers & fences
Handles sod, sprinkler installation, hardscaping and fence work, often finishing smaller projects the same day.
Watch out: One reviewer reported a large hardscape job that settled unevenly and a deposit not returned — vet carefully on big projects.
| Adjusted Google rating | 55% |
| Review volume | 30% |
| Profile completeness | 15% |
Order within a service ranking also weighs how central that service is to each business, so a specialist can rank above a higher-scoring generalist. Data checked October 24, 2026. Full methodology ›
As of October 24, 2026, Terrastone Landscaping Inc. holds the #1 spot for irrigation & outdoor lighting in Markham with a score of 80/100, based on a 4.9-star Google rating from 60 reviews.
Each company receives a 0–100 score built from its Google rating (adjusted for how many reviews it has), its review volume and the completeness of its business profile. Placement cannot be bought. Our scoring method page explains the formula in full.
We re-check ratings and review counts regularly. This page was last updated on October 24, 2026.
Send us a request through the corrections and removals page and we will review it, usually within a few business days.