Where can I verify Onecom's Companies House registration?

Companies House lists Onecom Limited under company number 04031272. Open the official record using the Companies House link on this page.

What Trustpilot figures does this directory show for Onecom?

Our directory captured Trustpilot as 4.2 out of 5 with 1500 reviews. Snapshot date in our directory: 2026-04-17. Trustpilot updates live; use the Trustpilot link on this page for the current score.

Is Onecom 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 Onecom 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 Onecom?

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.

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.

Onecom: Major ISP · South East England

Onecom

Legally trading as Onecom Limited

Onecom is a UK broadband provider delivering full fibre broadband to businesses across the UK.

★★★★☆ 4.2 / 5

1,500+ reviews on Trustpilot Last verified: 2026-04-17

View on Trustpilot →

About Onecom

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.

Onecom is a UK broadband provider delivering full fibre broadband to businesses across the UK. Established in 2000. Services include ultrafast full fibre connections with fast upload and download speeds. Part of Ares Management-backed.

Key details

Year founded2000

ADR schemeCISAS

Parent companyAres Management-backed

Legal name Onecom Limited Companies House 04031272 →

Check availability in your area

This provider is not yet in our postcode comparison tool. Visit www.onecom.co.uk to check availability directly.

What stands out

Full fibre network
Business-grade service

Recognition

O2 Direct Partner of the Year multiple times
Comms Dealer awards

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.
Voice
Mobile

Coverage

National

Onecom 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 Onecom sits within the UK consumer protection framework.

Regulator: Ofcom. Sets the General Conditions that Onecom 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.
Security: Cyber Essentials: Yes (NCSC Cyber Essentials certified)

Questions and answers

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

Where can I verify Onecom's Companies House registration?: Companies House lists Onecom Limited under company number 04031272. Open the official record using the Companies House link on this page.
What Trustpilot figures does this directory show for Onecom?: Our directory captured Trustpilot as 4.2 out of 5 with 1500 reviews. Snapshot date in our directory: 2026-04-17. Trustpilot updates live; use the Trustpilot link on this page for the current score.
What coverage note is on file for Onecom?: Our dataset records: National
Is Onecom 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 Onecom 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 Onecom?: 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.
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.