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Business-only connectivity firm that describes itself as an AltNet aggregator, joining many fibre networks and carriers into a single service.
About Flexgrid
Flexgrid is built around business customers. Instead of building a single network of its own, it describes itself as an AltNet aggregator, bringing together the UK's smaller full fibre networks (altnets) and large Tier 1 carriers so a company can get fibre or Ethernet, a dedicated business line, from whichever reaches its site.
The company says it is privately owned and operates from Shoreham on the South Coast, while its registered office is in London. Companies House shows Flexgrid Ltd was incorporated in 2017. It also offers SD-WAN, a way of running several connections together as a single business network, and says it is a Juniper partner with ISO 27001 security certification.
Its services are aimed at businesses and partner companies, so it suits firms with several sites or a need for backup lines.
Checked 2 November 2026 against Companies House and flexgrid.co.ukWhat Flexgrid customers say
We could not find a Trustpilot profile that belongs to Flexgrid. We only show a score when the profile points at the provider's own website.
Flexgrid at a glance
- Type
- Business ISP, for businesses
- Status
- Active
- Technology
- Full fibre, Ethernet, 4G and 5G, satellite
- Network
- Many UK altnets and large Tier 1 carriers
- Where it sells
- UK-wide
- Headquarters
- Shoreham
- Ownership
- Independent
- Company
- FLEXGRID LTD, 10593467, active, incorporated 31 January 2017
- One Touch Switch
- N/A (B2B-only, OTS applies to residential switching)
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Flexgrid questions
Who owns Flexgrid?
Flexgrid is independently owned and has been trading since 2019.
What network does Flexgrid use?
Flexgrid sells broadband over many UK altnets and large Tier 1 carriers. Which one reaches your home depends on your address, and our postcode check shows what you can get.
Where is Flexgrid available?
Flexgrid sells broadband across the UK. Coverage changes street by street, so check your postcode for the deals available at your address.
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