Business ISP Verified

Redstone

Redstone (est. 1990) is a UK altnet delivering full fibre broadband, offering an alternative to the traditional Openreach network.

Not yet verified on Trustpilot We add a score once we have confirmed a live Trustpilot profile and a rating on file.

About Redstone

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.

Redstone (est. 1990) is a UK altnet delivering full fibre broadband, offering an alternative to the traditional Openreach network.

Independent profile snapshot

This extended snapshot summarises how the provider presents itself in the UK market. It supplements the dataset-led summary above.

Redstone is an established UK B2B business-to-business telecoms, structured cabling and managed IT services provider delivering full-fibre (FTTP), Ethernet leased lines, voice, data centre infrastructure and technology services to UK mid-market, enterprise and public-sector customers, trading under the Excel Redstone brand within the wider Onnec Group (the integrated network infrastructure, structured cabling and data centre specialist). Registered as Redstone Telecom Holdings Limited (Companies House 05405982, incorporated 2005) and led by a board aligned with the wider Onnec Group, the company has operational heritage dating back to 1990 and has provided structured cabling and connectivity to UK enterprise, financial services, public sector and corporate customers for over three decades. The excelredstone.com domain now redirects to onnecgroup.com, reflecting the group rebrand to Onnec in recent years. Redstone subscribes to the Communications Ombudsman Alternative Dispute Resolution scheme for customer complaints. Trustpilot records approximately 3.9 out of 5 from 100+ reviews (as of April 2026). Contact 0800 731 2381 or info@excelredstone.com. Prospective enterprise customers should reference the current Onnec Group proposition for structured cabling, connectivity and data-centre services.

Key details

Year founded1990
ADR schemeCommunications Ombudsman
Parent companyIndependent
Legal name Redstone Telecom Holdings Limited Companies House 5405982 →

Check availability in your area

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

What stands out

  • Full fibre (FTTP) gigabit broadband
  • Business-grade leased line and Ethernet services
  • Business-focused telecoms provider
  • 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.
  • Ethernet Dedicated leased line. Primarily for business.
  • Leased line Dedicated symmetric connection for businesses.

Coverage

UK

Redstone 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 Redstone sits within the UK consumer protection framework.

Regulator
Ofcom. Sets the General Conditions that Redstone must follow.
Complaints
Communications Ombudsman. The Communications Ombudsman is a free, Ofcom-approved dispute resolution scheme. After eight weeks with an unresolved complaint, you can escalate for an independent decision.
Security
Cyber Essentials: Yes (NCSC Cyber Essentials certified)

Questions and answers

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

Where can I verify Redstone's Companies House registration?
Companies House lists Redstone Telecom Holdings Limited under company number 5405982. Open the official record using the Companies House link on this page.
What coverage note is on file for Redstone?
Our dataset records: UK
Is Redstone 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 Redstone 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 Redstone?
Communications Ombudsman. The Communications Ombudsman is a free, Ofcom-approved dispute resolution scheme. After eight weeks with an unresolved complaint, you can escalate for an independent decision.
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.
What is the deals section on BroadbandSwitch.uk?
The deals section is a free, dedicated showcase on a provider's directory record where current promotional offers are published.
How does a UK broadband provider list deals on BroadbandSwitch.uk?
A verified provider submits their offer to editor@broadbandswitch.uk using the structured submission template, in exchange for a permanent backlink from their own site.
Is there a charge for the deals section?
No. The deals section is free of charge, with no contract and no affiliate commission required for inclusion on the record.
What rules govern the deals content?
All deals must comply with Ofcom General Condition C1 (in force 17 January 2025) on price rises in pounds and pence, and the CAP code on broadband speed claims (median peak-time average, in force 23 May 2018).
What happens if the backlink is removed?
BroadbandSwitch.uk monitors linking domains. If the backlink is removed and not restored within 14 days, the deals section is taken down to keep the exchange fair.
Where can I read the full Provider Style Guide?
The full guide is on this site at https://broadbandswitch.uk/style-guide/

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