Company · West Midlands
DSI Underground UK Limited
Support activities for other mining and quarrying
Official record Companies House · updated 27th September 2026 · Sources
Network
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Who leads it
Previous officers 8
- Martin Rier 2024-2026 View profile
- Andrik Fuellberg 2017-2024 View profile
- Nicholas Hayward Moses 2012-2017 View profile
- Patrick Julien Thorpe 2011-2012 View profile
- Steven Neil Barratt 2001-2012 View profile
- Natalie Rebecca Heeley 2019-2024 View profile
- Timothy Gerald Fredrick Coton 2012-2020 View profile
- Patricia Ann Thorpe 2001-2012 View profile
Directors and secretaries as filed at Companies House.
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About
- What it does
- Support activities for other mining and quarrying
- Incorporated
- 21/03/2001
- Registered office
- West Midlands
- Previous names
- DSI Drill TEK Limited (until 20/12/2019)
Drilltek Injection Systems Limited (until 20/03/2012)
Ownership
Owned by (3) 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.
- Peder Erik Prahl ceased 2016-04-06
75-100% shares (trust), 75-100% voting (trust), appoints directors (trust), significant influence (trust) · notified 2016-04-06 - Sandvik Limited
75-100% shares, 75-100% voting, appoints directors · notified 2025-01-29 - DSI Underground UK Holdings Limited ceased 2025-01-29
75-100% shares, 75-100% voting, appoints directors · notified 2016-04-06
Group
- DSI Underground UK Limited
is controlled by Peder Erik Prahl
Evidence
ceased 75-100% shares (trust), 75-100% voting (trust), appoints directors (trust), significant influence (trust) · notified 2016-04-06, ceased 2016-04-06 · source: Companies House PSC register
The individual named as ultimate controller on the PSC register for this chain is a known formation agent or data-quality flag, not a confirmed beneficial owner - not shown as fact.
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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
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.
2 directors on the board
- Rayna Leeanne Diekelman Director · appointed 2026
- Marc Thompson Director · appointed 2025
First-time vs portfolio directors
First-time (1)
- Rayna Leeanne Diekelman Director · appointed 2026
Portfolio (1)
- Marc Thompson Director · appointed 2025
Left in the last 12 months
- Martin Rier Director · appointed 2024 · resigned 2026
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
- 04183805
- Status
- Active
- Type
- Private Limited Company
- Accounts next due
- 30/09/2027
- Edition
- Register edition compiled 27th September 2026
- Labels
- Official record from Companies House · Calculated derived by Governance Register.
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