RADIOACTIVE WASTE MANAGEMENT LIMITED
RADIOACTIVE WASTE MANAGEMENT LIMITED is a Private limited company (Ltd.) registered in United Kingdom under 08920190, and its current status with Companies House is active. The company was incorporated on 3 March 2014 and lists its registered address as SEASCALE, United Kingdom. 1 shareholder is on record for RADIOACTIVE WASTE MANAGEMENT LIMITED, and since every one of them is a company rather than an individual, this particular filing does not on its own establish an ultimate beneficial owner (UBO) — identifying one would mean tracing the ownership of each shareholding company in turn. This profile is sourced directly from Companies House and was last updated on 8 October 2026.
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Shareholders
1
One shareholder is currently on record for RADIOACTIVE WASTE MANAGEMENT LIMITED, held on the Confirmation Statement (CS01), filed under the Companies Act 2006.
The largest of these is NUCLEAR DECOMMISSIONING AUTHORITY, holding 100% — a majority holding.
Because the shareholder shown is a company rather than an individual, the ownership chain continues above this level, and no beneficial owner can be established from this filing alone.
| Shareholder | Type | Holding | Source Document |
|---|---|---|---|
| NUCLEAR DECOMMISSIONING AUTHORITY | 100% | Companies House |
Officers
5
Two of the 5 officer records shown for RADIOACTIVE WASTE MANAGEMENT LIMITED are current appointments, filed with Companies House. Seth Kybird (appointed 2025-04-01) serves as Director; Alexandra De Keyser (appointed 2026-02-01) serves as Company Secretary. The remaining 3 records shown (Corhyn Parr, Michael Buttery and 1 other) are former appointments that have since been resigned.
The register reports 37 officers in total, including past appointments, though only the 5 most relevant records are shown here.
Management authority at RADIOACTIVE WASTE MANAGEMENT LIMITED sits with these individuals, not with shareholders, who are covered separately and hold ownership rather than control.
The source filing doesn't specify representation authority — whether officers can act individually or must sign jointly to bind the company — so that detail isn't available here.
Group Structure
RADIOACTIVE WASTE MANAGEMENT LIMITED sits 3 levels below its ultimate parent, Prime Minister's Office, registered in United Kingdom. Immediately above RADIOACTIVE WASTE MANAGEMENT LIMITED is NUCLEAR DECOMMISSIONING AUTHORITY, holding 100% as filed in RADIOACTIVE WASTE MANAGEMENT LIMITED's own shareholder record with Companies House. Prime Minister's Office sits further up the chain, a link derived by walking shareholder filings across jurisdictions rather than stated in a single document.
Prime Minister's Office
United Kingdom
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Frequently Asked Questions
Who owns RADIOACTIVE WASTE MANAGEMENT LIMITED?
One shareholder is currently on record for RADIOACTIVE WASTE MANAGEMENT LIMITED, held on the Confirmation Statement (CS01), filed under the Companies Act 2006. The largest of these is NUCLEAR DECOMMISSIONING AUTHORITY, holding 100% — a majority holding. Because the shareholder shown is a company rather than an individual, the ownership chain continues above this level, and no beneficial owner can be established from this filing alone.
Who is RADIOACTIVE WASTE MANAGEMENT LIMITED's UBO (Ultimate Beneficial Owner)?
Every shareholder recorded for RADIOACTIVE WASTE MANAGEMENT LIMITED is itself a company rather than a natural person, so no Ultimate Beneficial Owner (UBO) is identified at this level; establishing one would require tracing the ownership of each shareholding company in turn.
How many shareholders does RADIOACTIVE WASTE MANAGEMENT LIMITED have on record?
1 shareholder is shown on record for RADIOACTIVE WASTE MANAGEMENT LIMITED.
What is RADIOACTIVE WASTE MANAGEMENT LIMITED's company registration number?
RADIOACTIVE WASTE MANAGEMENT LIMITED's registration number is 08920190, filed with Companies House in United Kingdom. Its current status on the register is active.
Is RADIOACTIVE WASTE MANAGEMENT LIMITED still an active company?
RADIOACTIVE WASTE MANAGEMENT LIMITED's status on Companies House is listed as active.
When was RADIOACTIVE WASTE MANAGEMENT LIMITED incorporated?
RADIOACTIVE WASTE MANAGEMENT LIMITED was incorporated on 3 March 2014, according to Companies House.
What is RADIOACTIVE WASTE MANAGEMENT LIMITED's registered address?
The registered address on file for RADIOACTIVE WASTE MANAGEMENT LIMITED is SEASCALE, United Kingdom.
What legal structure is RADIOACTIVE WASTE MANAGEMENT LIMITED registered as?
RADIOACTIVE WASTE MANAGEMENT LIMITED is registered as a Private limited company (Ltd.) in United Kingdom.
Who are the officers/directors of RADIOACTIVE WASTE MANAGEMENT LIMITED?
Two of the 5 officer records shown for RADIOACTIVE WASTE MANAGEMENT LIMITED are current appointments, filed with Companies House. Seth Kybird (appointed 2025-04-01) serves as Director; Alexandra De Keyser (appointed 2026-02-01) serves as Company Secretary. The remaining 3 records shown (Corhyn Parr, Michael Buttery and 1 other) are former appointments that have since been resigned. Management authority at RADIOACTIVE WASTE MANAGEMENT LIMITED sits with these individuals, not with shareholders, who are covered separately and hold ownership rather than control.
Does RADIOACTIVE WASTE MANAGEMENT LIMITED have a parent company or subsidiaries?
RADIOACTIVE WASTE MANAGEMENT LIMITED sits 3 levels below its ultimate parent, Prime Minister's Office, registered in United Kingdom.
Can Zavia monitor changes to RADIOACTIVE WASTE MANAGEMENT LIMITED's ownership over time?
This profile reflects a point-in-time snapshot from Companies House. Zavia's monitoring API can track changes to RADIOACTIVE WASTE MANAGEMENT LIMITED's registered shareholders, officers, and group structure going forward, flagging updates as they're filed rather than requiring a manual recheck.
Can I access RADIOACTIVE WASTE MANAGEMENT LIMITED's data through an API?
Yes. Zavia's API connects directly to official government ownership registries across 195 countries and territories, including United Kingdom, so records like RADIOACTIVE WASTE MANAGEMENT LIMITED's registration, shareholder, UBO, and group-structure data can be queried programmatically instead of viewed one page at a time.
Where does this company information come from, and how current is it?
This record is sourced directly from Companies House and was last synced on 8 October 2026.