7 ranked servicesUpdated 0 paid placements in any rankingHow we rank
7 services have a ranked list for Markham, ON. Each list ranks the IT firms that serve the city by IFR Score. The largest list by ranked IT firms is managed IT service providers, with 632.
Ranked by IFR Score among the IT firms that serve the city. Open a service for its full list.
Ranked by IFR Score from public data. Sponsored placements are labelled and never change the order.
632 ranked managed IT service providers serve Markham.
4.7 from 112 Google reviews · Based in Markham
4.9 from 100 Google reviews · 16 km away
5.0 from 105 Google reviews · 24 km away
449 ranked computer repair shops serve Markham.
5.0 from 1,086 Google reviews · Based in Markham
4.9 from 1,788 Google reviews · 22 km away
4.8 from 403 Google reviews · Based in Markham
381 ranked cybersecurity companies serve Markham.
4.9 from 322 Google reviews · 39 km away
5.0 from 74 Google reviews · 10 km away
4.9 from 136 Google reviews · 11 km away
373 ranked IT consultants serve Markham.
5.0 from 32 Google reviews · 16 km away
5.0 from 73 Google reviews · 42 km away
5.0 from 99 Google reviews · 15 km away
315 ranked business phone system providers serve Markham.
4.9 from 1,903 Google reviews · 16 km away
4.4 from 547 Google reviews · Based in Markham
4.4 from 701 Google reviews · 28 km away
285 ranked network cabling and installation companies serve Markham.
4.9 from 40 Google reviews · 18 km away
5.0 from 18 Google reviews · Based in Markham
5.0 from 25 Google reviews · 9 km away
194 ranked data recovery services serve Markham.
4.9 from 715 Google reviews · 20 km away
4.8 from 951 Google reviews · 26 km away
4.6 from 829 Google reviews · 12 km away
Each service list scores every IT firm that serves Markham on the same IFR Score, from 0 to 100.
Reputation, review volume, recency, availability, service focus, proximity, claimed profile, partnered and client reviews each carry a fixed weight.
Read the full methodMarkham IT services report 2026All Ontario cities
