7 ranked servicesUpdated 0 paid placements in any rankingHow we rank
7 services have a ranked list for Altadena, CA. 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 864.
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.
864 ranked managed IT service providers serve Altadena.
5.0 from 497 Google reviews · 3 mi away
5.0 from 174 Google reviews · 6 mi away
4.9 from 713 Google reviews · 30 mi away
662 ranked IT consultants serve Altadena.
5.0 from 497 Google reviews · 3 mi away
4.9 from 99 Google reviews · 12 mi away
5.0 from 51 Google reviews · 39 mi away
515 ranked cybersecurity companies serve Altadena.
5.0 from 107 Google reviews · 17 mi away
5.0 from 497 Google reviews · 3 mi away
5.0 from 389 Google reviews · 45 mi away
430 ranked data recovery services serve Altadena.
4.8 from 815 Google reviews · 15 mi away
5.0 from 97 Google reviews · 12 mi away
5.0 from 131 Google reviews · 20 mi away
391 ranked computer repair shops serve Altadena.
4.8 from 1,062 Google reviews · 12 mi away
4.9 from 994 Google reviews · 6 mi away
4.9 from 1,185 Google reviews · 13 mi away
381 ranked network cabling and installation companies serve Altadena.
5.0 from 87 Google reviews · 14 mi away
4.9 from 58 Google reviews · 19 mi away
5.0 from 497 Google reviews · 3 mi away
354 ranked business phone system providers serve Altadena.
4.8 from 5,561 Google reviews · 19 mi away
5.0 from 1,134 Google reviews · 38 mi away
5.0 from 202 Google reviews · 23 mi away
Each service list scores every IT firm that serves Altadena 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 methodAltadena IT services report 2026All California cities
