Company
RSK Radiological Limited
Official record Companies House · updated 20th September 2026 · Sources
Network
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Who leads it
Previous officers 7
- Dr Paul Stewart Upton 2008-2021 View profile
- Susan Sljivic 2008-2019 View profile
- Eric Darois 2007-2020 View profile
- Philip Andrew Defoggi 2007-2020 View profile
- Frederick P Straccia 2007-2020 View profile
- James Tarzia 2007-2020 View profile
- Stephen Geoffrey Mills 2011-2019 View profile
Directors and secretaries as filed at Companies House.
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About
- Incorporated
- 11/09/2007
Ownership
Owned by (1) iOwned byIndividuals and companies registered as having significant control over this company, from the Companies House PSC (persons with significant control) register. People whose ownership could not be confirmed to one individual are not listed as confirmed owners.
- RSK Environment Limited
75-100% shares, 75-100% voting, appoints directors · notified 2016-06-01
Group
- RSK Radiological Limited
is controlled by RSK Environment Limited
Evidence
active 75-100% shares, 75-100% voting, appoints directors · notified 2016-06-01 · source: Companies House PSC register - RSK Environment Limited
is controlled by RSK Group Limited
Evidence
active 75-100% voting, appoints directors · notified 2016-04-06 · source: Companies House PSC register - RSK Group Limited
is controlled by Alasdair Alan Ryder
Evidence
ceased 25-50% voting · notified 2016-04-06, ceased 2025-12-18 · source: Companies House PSC register
Ultimately controlled by Alasdair Alan Ryder.
108 other companies in this group
- RSK Stats Geoconsult Limited
- Topham Investco Limited
- ARA Architecture Limited
- Proeon Holdings Limited
- RSK Remediation Limited
- PA Group (UK) Limited
- Axis Well Technology International Limited
- RSK Project Services Limited
- Travis Baker Limited
- MWH Constructors Limited
- RSK Carbon Management Limited
- Absolute Solar and Wind LTD
- Axis Well Technology Group Limited
- R.W. Management (Holdings) LTD
- RSK Investments (Newcastle) LLP
- IAN Farmer Associates (1998) Limited
- 06126847
- MWH Farrer Limited
- 3BM Limited
- WE ARE Brandnew LTD
- Pegasys Limited
- Cognica Limited
- ECD Architects LTD
- Envirolab Limited
- RSK HI-Line Limited
- Water Research Limited
- 07143956
- 11493916
- Technical Editing Services Limited
- Alan Ryder Investments Limited
- JB Site Investigations Limited
- R.J.T. Excavations Limited
- Hawkins Electrical Holdings Limited
- WRC Aqua Limited
- Axis Well Technology Limited
- MWH Limited
- Kendall Kingscott Limited
- RSK RAW Limited
- Advantage RSK Limited
- RSK Integrated Waste Solutions Limited
- Headland Archaeology (UK) Limited
- Reigate Asset Leasing LTD.
- Binnies UK Limited
- N-Able Property Services LTD
- Axis Well Technology Management Limited
- Building Sciences Limited
- Argus Environmental Limited
- WRC Evaluation and Testing Centre Limited
- Keegans Limited
- Topham Midco Limited
Ownership paths are calculated from Companies House persons-with-significant-control filings. Each step shows the filed nature of control and dates; a step marked "ceased" is historical, not current.
Board analysis for researchers
Board DNA
How this board is put together, from the Companies House officer record and Charity Commission trustee records - deterministic, no AI.iBoard compositionCounted from the dated Companies House officer record: the current directors only, past directors excluded.
3 directors on the board
- Martin Brannock Director · appointed 2022
- Nigel Paul Board Director · appointed 2007
- Sarah-Anne Louise Mogford Director · appointed 2022
Directors past 6 years
- Nigel Paul Board Director · appointed 2007
First-time vs portfolio directors
First-time (1)
- Martin Brannock Director · appointed 2022
Portfolio (2)
- Nigel Paul Board Director · appointed 2007
- Sarah-Anne Louise Mogford Director · appointed 2022
Where else this board sits iWhere else this board sitsThe charitable fields these directors govern in elsewhere, by Charity Commission classification. Excludes this company and any charity it is the legal face of.
The sectors these directors govern in elsewhere. This company, and any charity it is the legal face of, are excluded - counting them would just tell you what you are already looking at.
Sources
Official record from Companies House. Governance Register calculates the connections.
Record details
- Company number
- 06367880
- Status
- Active
- Type
- Private Limited Company
- Edition
- Register edition compiled 20th September 2026
- Labels
- Official record from Companies House · Calculated derived by Governance Register.
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