IT services in Ottawa, IL: 2026 report
503 ranked entriesUpdated 6 trade lists
The 6 service lists for Ottawa, IL hold 503 ranked entries. Cybersecurity companies have the most, with 301.
Key numbers for Ottawa
Shares use ranked businesses as their base. An IT firm in two service lists counts in both.
503
ranked entries by IFR Score, in 6 service lists
970
service listings serving the city; an IT firm counts once per service
5.0
median of the services’ median Google ratings
IT services in Ottawa, by ranked IT firms
| Service | Ranked | Serving the city | Median rating | Median reviews |
|---|---|---|---|---|
| Cybersecurity companies | 301 | 550 | 5.0 | 14 |
| Managed IT service providers | 81 | 170 | 5.0 | 17 |
| IT consultants | 74 | 163 | 5.0 | 12 |
| Data recovery services | 21 | 32 | 5.0 | 27 |
| Business phone system providers | 19 | 38 | 4.8 | 10 |
| Network cabling and installation companies | 7 | 17 | 5.0 | 14 |
Method and basis
- Serving counts are active, de-duplicated IT firms within each service’s service radius of Ottawa, as of November 9, 2026.
- Ranked IT firms have a confident service match and 3 or more Google reviews, or a claimed profile.
- Median rating, median reviews and the shares are measured over ranked businesses.
- Figures are recalculated with each weekly data update. This page shows the latest figures for the year in its title.
Cite this report: ITFirmsRanked, “IT Services in Ottawa, IL: 2026 Report”, https://www.itfirmsranked.com/reports/ottawa-il-it-services-2026, data as of November 9, 2026.
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