About Nasstar
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.
Independent profile snapshot
This extended snapshot summarises how the provider presents itself in the UK market. It supplements the dataset-led summary above.
Key details
Directors
Michael Paul Cosgrave, David Leslie Senior
Check availability in your area
This provider is not yet in our postcode comparison tool. Visit www.nasstar.com to check availability directly.
What stands out
- Business-grade leased line and Ethernet services
- Business-focused telecoms provider
- member
- Established, trusted UK provider
Recognition
- MSP UK Awards
- Microsoft partner recognition
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.
- Leased line Dedicated symmetric connection for businesses.
- Cloud
- Managed
Coverage
UK - National MSP
Nasstar 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 Nasstar sits within the UK consumer protection framework.
- Regulator
- Ofcom. Sets the General Conditions that Nasstar must follow.
- Complaints
- CISAS / Communications Ombudsman.
- Security
- Cyber Essentials: Yes (NCSC Cyber Essentials certified)
Questions and answers
Straight answers from our directory fields for Nasstar. If you need live pricing or availability, use the postcode tool or the provider link above.
- Where can I verify Nasstar's Companies House registration?
- Companies House lists Nasstar Limited under company number 11334412. Open the official record using the Companies House link on this page.
- What Trustpilot figures does this directory show for Nasstar?
- Our directory captured Trustpilot as 2.5 out of 5 with 9 reviews. Snapshot date in our directory: 04/05/2026. Trustpilot updates live; use the Trustpilot link on this page for the current score.
- What coverage note is on file for Nasstar?
- Our dataset records: UK - National MSP
- Is Nasstar 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: NEEDS_TRUSTPILOT_LIVE_COUNT. That reflects our internal checks against the sources linked on this page, not a government endorsement.
- Does this directory flag Nasstar 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 Nasstar?
- 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.
- 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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