Where can I verify Lumen UK's Companies House registration?

Companies House lists Lumen Technologies UK Limited under company number 02495998. Open the official record using the Companies House link on this page.

What Trustpilot figures does this directory show for Lumen UK?

Our directory captured Trustpilot as 3.5 out of 5 with 80 reviews. Snapshot date in our directory: 17/04/2026. Trustpilot updates live; use the Trustpilot link on this page for the current score.

What coverage note is on file for Lumen UK?

Our dataset records: UK + Global (formerly Level 3 / CenturyLink)

Is Lumen UK 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: broken_url_needs_review. That reflects our internal checks against the sources linked on this page, not a government endorsement.

Does this directory flag Lumen UK 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.

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.

Lumen UK: Altnet · London | BroadbandSwitch UK

Lumen UK

Legally trading as Lumen Technologies UK Limited

Lumen UK delivers dark fibre, Ethernet and wholesale connectivity to UK enterprises, carriers and hyperscalers.

★★★★☆ 3.5 / 5

80+ reviews on Trustpilot Last verified: 17/04/2026

View on Trustpilot →

About Lumen UK

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.

Lumen UK is a UK business broadband and telecoms provider, founded in 2000 (part of Lumen Technologies). Lumen UK delivers business leased line and Ethernet broadband across + Global (formerly Level 3 / CenturyLink). As part of the UK's alternative network movement, it offers consumers more choice beyond the traditional Openreach network.

Key details

Year founded2000

ADR schemeCISAS / Communications Ombudsman

Parent companyLumen Technologies

Legal name Lumen Technologies UK Limited Companies House 02495998 →

Check availability in your area

This provider is not yet in our postcode comparison tool. Find an alternative provider.

What stands out

Formerly Level 3/CenturyLink
Global enterprise network

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.

Dark fibre
Ethernet Dedicated leased line. Primarily for business.
Cloud

Coverage

UK + Global (formerly Level 3 / CenturyLink)

This provider is archived in our directory. Find an alternative active provider.

If something goes wrong

Here is where Lumen UK sits within the UK consumer protection framework.

Regulator: Ofcom. Sets the General Conditions that Lumen UK must follow.
Complaints: CISAS / Communications Ombudsman.
Security: Cyber Essentials: Yes (typical for B2B telecoms)

Questions and answers

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

Where can I verify Lumen UK's Companies House registration?: Companies House lists Lumen Technologies UK Limited under company number 02495998. Open the official record using the Companies House link on this page.
What Trustpilot figures does this directory show for Lumen UK?: Our directory captured Trustpilot as 3.5 out of 5 with 80 reviews. Snapshot date in our directory: 17/04/2026. Trustpilot updates live; use the Trustpilot link on this page for the current score.
What coverage note is on file for Lumen UK?: Our dataset records: UK + Global (formerly Level 3 / CenturyLink)
Is Lumen UK 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: broken_url_needs_review. That reflects our internal checks against the sources linked on this page, not a government endorsement.
Does this directory flag Lumen UK 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 Lumen UK?: CISAS / Communications Ombudsman.
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.