Business broadband in Northern Ireland: full fibre, speeds and what to check before you switch
How Northern Ireland compares for full fibre, the types of business connection explained, and the questions worth asking a provider before you sign.
By Logic NI3 min read
If you run a business in Northern Ireland, your broadband affects card payments, cloud accounting, video calls, your phone system and your website's contact forms. This guide explains where Northern Ireland stands, what the different connection types mean and what to check before you switch.
Where Northern Ireland stands
Ofcom publishes a yearly report on each UK nation. The 2025 Northern Ireland findings are:
| Measure | Ofcom's figure | Read it with care |
|---|---|---|
| Full-fibre availability | 95%, the highest of the four nations, with around 780,000 homes able to get it | The page does not say whether the 95% is a share of homes or of all premises, so do not assume it describes business addresses |
| Superfast broadband from fixed lines | Available to 99% of residential premises | Residential figure |
| Full-fibre take-up | Where it is available, 62% of premises are connected, compared with 53% the year before | Many addresses that could switch have not |
| 5G outside premises coverage | At least one operator reaches 97% at Ofcom's "High Confidence" level and 93% at "Very High Confidence" | Outdoor coverage, not signal inside your building |
The figures were published on 19 November 2025. They tell you the picture is good overall. They cannot tell you what your own address can get, because availability changes street by street and sometimes building by building.
The main types of connection
| Type | How it works | Typical strengths | Typical limits |
|---|---|---|---|
| Full fibre (FTTP) | Fibre cable runs all the way into your premises | Fast, consistent, and usually much better upload speeds | Not yet available at every address |
| Fibre to the cabinet (FTTC) | Fibre to the street cabinet, then copper to you | Widely available | Speed falls with distance from the cabinet, and upload is slower |
| Cable | Coaxial cable network | Fast downloads where available | Uploads are usually slower than download, and coverage is patchy |
| Fixed wireless | A radio link to a nearby mast | An option where cables are poor | Depends on line of sight and conditions |
| Mobile broadband (4G or 5G) | A mobile signal | Quick to set up, useful as a backup | Signal inside the building and data allowances vary |
Why business broadband is not just a faster home line
Providers usually sell business packages differently from home ones. Things that often differ, and are worth asking about:
- Upload speed. Video calls, cloud backups and sending large files depend on it.
- Repair time. Ask what happens, and how quickly, if the line goes down. A home line may be fixed on a best-efforts basis.
- Fixed IP address. Needed for some systems, cameras and remote access.
- Support. Who do you ring, and when are they available?
- Contract length and exit terms. Check what happens if you move premises.
- Installation lead time. New fibre connections can take time to arrange, so do not leave it until the old contract ends.
Questions to ask before you switch
- Which technology will actually reach my address, and is it full fibre to the premises?
- What are the typical upload and download speeds, and what is guaranteed?
- What is the repair commitment, and is it in writing?
- What is the contract length, and what happens if I move?
- Is there a backup connection, such as a 4G router, and who sets it up?
- Who looks after the router and Wi-Fi inside the building?
A backup is cheaper than an outage
If card payments, bookings or a cloud system stop when the connection drops, a second connection such as a mobile backup router is worth considering. It does not need to be fast. It needs to keep the essentials running while the main line is fixed.
Where Logic NI fits
We are not a broadband provider, so we will not sell you a line. We help with what runs on top of it: reliable hosting, ongoing IT and software support and making sure your website and systems stay available. If you want help working out what your business actually depends on, get in touch.