List Of All telecommunications company Leads in Belfast
This page lists 20 telecommunications company in Belfast, each with an address, phone number, and rating where available. Ratings run as high as 5.0★ (held by Titanic Telecoms), with an average of roughly 4.7★ across all listings. Updated 8/23/2026 — scroll down to compare the full list and follow through to whichever business suits your needs.
20 results · last updated 8/23/2026
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| Name | Phone | Links | Reviews | Category | |
|---|---|---|---|---|---|
| Titanic Telecomsunit 29, Belfast BT11 9AE | **89*99••••5 | su****••••*.comRegister to View | 5.0(27 reviews) | Telecommunications service provider | |
| Telecom Cable Solutions96 Rosgoill Park, Belfast BT11 9QU | *78876*••••1 | — | 5.0(14 reviews) | Telecommunications engineer | |
| Salt Communications5.0(3) | **89***••••4 | in**••••*.comRegister to View | 5.0(3 reviews) | — | |
| Fonezone Telecommunications Ltd149 Donegall Pass, Belfast BT7 1DT | **89*96••••6 | — | 5.0(2 reviews) | Telecommunications service provider | |
| McNeill Communications107 Salisbury Ave, Belfast BT15 5EB | *78*8*6••••2 | jo****••••co.ukRegister to View | 5.0(1 reviews) | Telecommunications service provider | |
| Corporate Telecom Ltd5.0(1) | **89*79••••0 | sa***••••*.bizRegister to View | 5.0(1 reviews) | — | |
| Choice Telecoms16 Orby Grange, Belfast BT5 5PR | **89***••••2 | sa***••••co.ukRegister to View | 5.0(1 reviews) | Telecommunications service provider | |
| Yellowcom37A Stockmans Way, Belfast BT9 7ET | *******••••1 | in**••••co.ukRegister to View | 4.9(451 reviews) | Telecommunications service provider | |
| Simplicity Group260 Tates Ave, Belfast BT12 6NB | — | — | 4.9(65 reviews) | Telecommunications service provider | |
| Smooth CommunicationsHouse 20, inspire business centre, 16 Carrowreagh Rd, Dundonald, Colvin BT16 1QT | **89***••••8 | he***••••*.comRegister to View | 4.9(28 reviews) | Telecommunications service provider | |
| BT Belfast Northern Ireland5 Lanyon Pl, Belfast BT1 3BT | **89***••••2 | — | 4.9(11 reviews) | Telecommunications | |
| Barclay CommunicationsGrove House, 145-149 Donegall Pass, Belfast BT7 1DT | **89*96••••6 | in**••••*.comRegister to View | 4.8(536 reviews) | Telecommunications service provider | |
| Airphone Communications LtdUnit 3, Adelaide Business Centre, Apollo Rd, Belfast BT12 6HP | **89*66••••6 | in**••••*.comRegister to View | 4.8(4 reviews) | Telecommunications service provider | |
| BT Belfast (Telephone House)4.4(55) | — | — | 4.4(55 reviews) | — | |
| B4B Group9 Glenmachan Pl, Belfast BT12 9QH | **89*7*••••4 | — | 4.3(37 reviews) | Telecommunications service provider | |
| Telefónica TechConcourse Building, 3 Queens Rd, Belfast BT3 9DT | **89***••••3 | in**••••**.ukRegister to View | 4.3(3 reviews) | IT support and services | |
| Clarity Telecom1, Belfast BT1 3LG | *8**9**••••0 | su****••••*.comRegister to View | 4.1(73 reviews) | Telecommunications service provider | |
| C C I Belfast LtdUnit A8, Dargan Court, Dargan Cres, Belfast BT3 9JP | **89*77••••4 | — | 4.0(4 reviews) | Cable provider | |
| Cabletel Northern Ireland Ltd209 Airport Rd W, Belfast BT3 9EZ | **89***••••0 | — | 3.6(9 reviews) | Telecommunications service provider | |
| Genesis Telecom Ltd. | — | in**••••co.ukRegister to View | — | — |