Altnet Verified ISPA member

File Sanctuary

File Sanctuary is an alternative network (altnet) operator delivering full fibre broadband to homes and businesses across the UK.

★★★★★ 5.0 / 5
6 reviews on Trustpilot Last verified: 2026-04-19
View on Trustpilot →

About File Sanctuary

This profile is built from our broadband market dataset and the sources linked on this page. We do not repeat unchecked marketing claims; numbers and dates match fields on file or linked evidence.

File Sanctuary is an alternative network (altnet) operator delivering full fibre broadband to homes and businesses across the UK. Established in 2013. Services include ultrafast full fibre connections with fast upload and download speeds.

Key details

Year founded2013
ISPA member Listed member View ISPA members directory →
ADR schemeCISAS
Parent companyIndependent
Legal name File Sanctuary Ltd Companies House 08505497 →

Check availability in your area

This provider is not yet in our postcode comparison tool. Visit www.filesanctuary.net to check availability directly.

What stands out

  • Full fibre network
  • Business-grade service
  • Independent UK altnet
  • ISPA member

Technologies on file

These labels come from our directory data for this provider. Short explanations below describe the technology terms in general; they are not a statement about availability at your address.

  • FTTP Full fibre to your door. Fastest and most reliable.
  • FTTC Fibre to the street cabinet, copper to your home. Widely available.

Coverage

National (CityFibre + Openreach)

File Sanctuary is not yet in our postcode comparison tool. Check availability on their website, or see which providers we can compare at your postcode.

If something goes wrong

Here is where File Sanctuary sits within the UK consumer protection framework.

Regulator
Ofcom. Sets the General Conditions that File Sanctuary must follow.
Complaints
CISAS. CISAS is a free, Ofcom-approved dispute resolution scheme. If your complaint is not resolved within eight weeks, you can escalate to CISAS for an independent decision.
Switching
Complies with One Touch Switch. Your new provider handles the switch.
Industry code
Operates under the ISPA Code of Practice.
Security
Cyber Essentials: Yes (typical for B2B telecoms)

Questions and answers

Straight answers from our directory fields for File Sanctuary. If you need live pricing or availability, use the postcode tool or the provider link above.

Where can I verify File Sanctuary's Companies House registration?
Companies House lists File Sanctuary Ltd under company number 08505497. Open the official record using the Companies House link on this page.
What Trustpilot figures does this directory show for File Sanctuary?
Our directory captured Trustpilot as 5.0 out of 5 with 6 reviews. Snapshot date in our directory: 2026-04-19. Trustpilot updates live; use the Trustpilot link on this page for the current score.
What coverage note is on file for File Sanctuary?
Our dataset records: National (CityFibre + Openreach)
Is File Sanctuary in the BroadbandSwitch postcode comparison tool?
No. This provider is not currently among those we return in the postcode comparison tool. You can still compare other providers we list.
What does verification status mean on this profile?
This profile's verification status in our directory is recorded as: verified. That reflects our internal checks against the sources linked on this page, not a government endorsement.
Does this directory flag File Sanctuary as Ofcom-registered?
Yes. We record this provider as Ofcom-registered (General Conditions of entitlement). For complaints or disputes, follow the dispute route and Ofcom guidance that apply to your situation.
Which dispute resolution scheme does this directory list for File Sanctuary?
CISAS. CISAS is a free, Ofcom-approved dispute resolution scheme. If your complaint is not resolved within eight weeks, you can escalate to CISAS for an independent decision.
Does this directory record One Touch Switch for File Sanctuary?
Our dataset records One Touch Switch as: Yes (Ofcom-mandated compliance).
Does this directory record ISPA Code of Practice adherence?
Yes. The ISPA Code of Practice field is set to yes in our dataset for this provider.
What is the BroadbandSwitch verification score?
It is an internal score from 1 to 10 based on how thoroughly we have checked Companies House, regulator and trade-body fields, and independent review data where available. It is not a measure of customer satisfaction.