IT services in Janesville, WI: 2026 report
539 ranked entriesUpdated 7 trade lists
The 7 service lists for Janesville, WI hold 539 ranked entries. Cybersecurity companies have the most, with 204. Among lists with 10 or more ranked, computer repair shops have the highest median Google rating: 5.0.
Key numbers for Janesville
Shares use ranked businesses as their base. An IT firm in two service lists counts in both.
539
ranked entries by IFR Score, in 7 service lists
997
service listings serving the city; an IT firm counts once per service
4.9
median of the services’ median Google ratings
IT services in Janesville, by ranked IT firms
| Service | Ranked | Serving the city | Median rating | Median reviews |
|---|---|---|---|---|
| Cybersecurity companies | 204 | 354 | 4.9 | 17 |
| Managed IT service providers | 109 | 207 | 4.9 | 13 |
| IT consultants | 106 | 205 | 4.9 | 13 |
| Business phone system providers | 36 | 70 | 4.7 | 24 |
| Network cabling and installation companies | 34 | 63 | 4.9 | 20 |
| Data recovery services | 29 | 54 | 4.9 | 21 |
| Computer repair shops | 21 | 44 | 5.0 | 20 |
Method and basis
- Serving counts are active, de-duplicated IT firms within each service’s service radius of Janesville, 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 Janesville, WI: 2026 Report”, https://www.itfirmsranked.com/reports/janesville-wi-it-services-2026, data as of November 9, 2026.
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