7 ranked servicesUpdated 0 paid placements in any rankingHow we rank
7 services have a ranked list for Portsmouth, NH. Each list ranks the IT firms that serve the city by IFR Score. The largest list by ranked IT firms is cybersecurity companies, with 200.
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.
200 ranked cybersecurity companies serve Portsmouth.
5.0 from 127 Google reviews · 52 mi away
5.0 from 70 Google reviews · 38 mi away
4.9 from 52 Google reviews · 31 mi away
197 ranked managed IT service providers serve Portsmouth.
4.9 from 278 Google reviews · 37 mi away
5.0 from 23 Google reviews · Based in Portsmouth
5.0 from 114 Google reviews · 30 mi away
138 ranked IT consultants serve Portsmouth.
5.0 from 15 Google reviews · 32 mi away
5.0 from 78 Google reviews · 37 mi away
5.0 from 10 Google reviews · Based in Portsmouth
67 ranked business phone system providers serve Portsmouth.
5.0 from 89 Google reviews · 39 mi away
4.9 from 267 Google reviews · 39 mi away
5.0 from 35 Google reviews · 32 mi away
66 ranked data recovery services serve Portsmouth.
4.9 from 88 Google reviews · Based in Portsmouth
4.9 from 131 Google reviews · 37 mi away
4.9 from 853 Google reviews · 43 mi away
43 ranked network cabling and installation companies serve Portsmouth.
4.9 from 267 Google reviews · 39 mi away
5.0 from 23 Google reviews · Based in Portsmouth
3.7 from 3 Google reviews · 21 mi away
18 ranked computer repair shops serve Portsmouth.
5.0 from 49 Google reviews · Based in Portsmouth
4.7 from 239 Google reviews · 10 mi away
5.0 from 76 Google reviews · 1 mi away
Each service list scores every IT firm that serves Portsmouth 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 methodPortsmouth IT services report 2026All New Hampshire cities
