UK AltNet profile
Swish Fibre
Swish Fibre is a Thames Valley-focused altnet, building XGS-PON full fibre across Buckinghamshire, Berkshire and Oxfordshire towns.
Headline numbers
| Founded | 2019 |
|---|---|
| HQ | Marlow, Buckinghamshire |
| Region of focus | Buckinghamshire, Berkshire, Oxfordshire, South East |
| Premises passed | Data pending |
| Premises ready for service | Data pending |
| Customers (latest) | Data pending |
| Take-up rate | Data pending |
| Network tech | XGS-PON full fibre |
| Funding raised | Backed by Fern Trading (advised by Octopus Investments); now part of AllPoints Fibre Networks |
| Last funding round | Data pending |
| INCA member | Yes |
| Last updated | May 2026 |
About Swish Fibre
Swish Fibre is a Thames Valley-focused altnet headquartered in Marlow. The network builds XGS-PON full fibre across Buckinghamshire, Berkshire and Oxfordshire, targeting commuter-belt towns with high willingness-to-pay for premium connectivity.
Coverage notes
Buckinghamshire, Berkshire, Oxfordshire town focus.
Major build areas
Marlow, Beaconsfield, Henley-on-Thames, Maidenhead, Wokingham, Thame.
Partnership opportunities
Thames Valley commuter-town partnerships. Co-marketing via FBRE network.
FBRE supports AltNets with geo-targeted tenancy, comparison site builds for resellers, and co-marketing collaborations. Network reach is verified at 12,000,000+ impressions and 730,000+ network clicks in the 12 months to 24 May 2026 (rolling average of 2,000+ clicks per day, rising fast). See AltNet marketing for placement and pricing.
How to reach Swish Fibre-footprint switchers
- Geo-targeted tenancy on the FBRE network, single site from £99 per month.
- Postcode checker build that surfaces Swish Fibre where available, from £4,500.
- Co-marketing on the FBRE AltNet Tracker.
- Comparison engine build for partner resellers, from £7,950.
Data and methodology
This profile uses INCA member published data where available, the operator's published trading updates and press releases, Ofcom Connected Nations data, and Companies House filings. Figures marked "data pending" reflect commercially confidential or not-yet-published numbers. See methodology for sourcing detail.