UK AltNet profile
Brsk
Brsk is a fast-growing UK altnet with build presence across Birmingham, the wider West Midlands, Lancashire and the South East. Aggressive symmetric full-fibre pricing.
Headline numbers
| Founded | 2020 |
|---|---|
| HQ | London |
| Region of focus | West Midlands, Lancashire, West Yorkshire, South Manchester |
| Premises passed | Data pending; multi-hundred-thousand premises |
| 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 Advencap equity and Ares Management debt (£259m facility); part of Substantial Group following the summer 2024 merger with Netomnia and YouFibre |
| Last funding round | brsk retail brand to transfer to Virgin Media O2 (with YouFibre) for £150m on completion of nexfibre's £2bn acquisition of Substantial Group, expected Q3 2026 subject to CMA clearance (February 2026 (agreed; pending CMA)) |
| INCA member | Yes |
| Last updated | May 2026 |
About Brsk
Brsk has emerged as one of the most aggressive UK altnet challengers, with build footprint across Birmingham, the West Midlands, Lancashire, Hampshire and the South East. The network is XGS-PON and Brsk retails symmetric full fibre direct to consumers with competitive entry pricing and gigabit headline tariffs. Backed by Ares Management among others, Brsk has been one of the most-frequently-cited consolidation candidates in trade press alongside Netomnia.
Coverage notes
Birmingham and wider West Midlands as the anchor footprint, with Lancashire and South East expansion underway.
Major build areas
Birmingham, Coventry, Wolverhampton, Sandwell, Lancashire, Hampshire.
Partnership opportunities
Marketing partnerships with property developers and housing groups. Co-marketing in Brsk footprint via the 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 Brsk-footprint switchers
- Geo-targeted tenancy on the FBRE network, single site from £99 per month.
- Postcode checker build that surfaces Brsk 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.