7 ranked servicesUpdated 0 paid placements in any rankingHow we rank
7 services have a ranked list for Sarnia, ON. Each list ranks the IT firms that serve the city by IFR Score. The largest list by ranked IT firms is cybersecurity companies, with 166.
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.
166 ranked cybersecurity companies serve Sarnia.
5.0 from 15 Google reviews · 50 km away
5.0 from 83 Google reviews · 73 km away
4.9 from 540 Google reviews · 104 km away
123 ranked managed IT service providers serve Sarnia.
4.9 from 121 Google reviews · 73 km away
4.9 from 128 Google reviews · 64 km away
4.5 from 54 Google reviews · 78 km away
90 ranked IT consultants serve Sarnia.
5.0 from 178 Google reviews · 65 km away
4.9 from 932 Google reviews · 80 km away
5.0 from 191 Google reviews · 4 km away
62 ranked business phone system providers serve Sarnia.
4.9 from 489 Google reviews · Based in Sarnia
4.5 from 297 Google reviews · 4 km away
4.3 from 198 Google reviews · Based in Sarnia
31 ranked data recovery services serve Sarnia.
5.0 from 191 Google reviews · 4 km away
4.4 from 157 Google reviews · 74 km away
4.7 from 52 Google reviews · 75 km away
19 ranked network cabling and installation companies serve Sarnia.
5.0 from 6 Google reviews · Based in Sarnia
5.0 from 31 Google reviews · Based in Sarnia
5.0 from 235 Google reviews · 61 km away
16 ranked computer repair shops serve Sarnia.
5.0 from 191 Google reviews · 4 km away
5.0 from 134 Google reviews · Based in Sarnia
5.0 from 32 Google reviews · 5 km away
Each service list scores every IT firm that serves Sarnia 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 methodSarnia IT services report 2026All Ontario cities
