Company
Johnston Quarry Group Limited
Official record Companies House · updated 27th September 2026 · Sources
Network
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Who leads it
Previous officers 9
- Michael Anthony Crump 2022-2025 View profile
- Charles Edmund Trigg 2022-2025 View profile
- George William Bolsover 2019-2022 View profile
- Thomas Poole 2014-2015 View profile
- Robert Ian Macdougal 2008-2014 View profile
- Nicholas Matthew Middlemass Johnston 2007-2022 View profile
- Rebecca Leah Iles 2013-2017 View profile
- Bayshill Secretaries Limited 2008-2008 View profile
- David Godfrey Smith 2007-2013 View profile
Directors and secretaries as filed at Companies House.
Do you help lead this organisation? Set up its network · How it works
About
- Incorporated
- 04/10/2007
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.
- Sigmaroc PLC
75-100% shares, 75-100% voting, appoints directors · notified 2022-01-31 - Possible match - name could not be confirmed to one individualiPossible matchThis PSC filing could not be confirmed to one individual. Not shown as confirmed ownership.
Group
- Johnston Quarry Group Limited
is controlled by Sigmaroc PLC
Evidence
active 75-100% shares, 75-100% voting, appoints directors · notified 2022-01-31 · source: Companies House PSC register
Ultimately controlled by Sigmaroc PLC.
26 other companies in this group
- Cemfree Limited
- Oathill Quarry Limited
- Nayles Barn Quarry Limited
- C B Collier Quarry Limited
- Topcrete Limited
- Building Stone Limited
- Skreenhouse Ventures LTD
- 10831267
- Cssl NO. 2 Limited
- Ropsley Quarry Limited
- 15361638
- Greencem Limited
- Allen (Concrete) Limited
- Guiting Quarry Limited
- Bath Stone Company (BSC) Limited
- Bath Stone Group Limited
- Flick Quarry Limited
- Hornton Grounds Stone Sales Limited
- Sigmafin Limited
- Buxton Lime Limited
- Hartham Park Minerals Limited
- A.Larkin(Concrete)Limited
- GD Harries & Sons Limited
- Creeton Quarry Limited
- Monks Park Minerals Limited
- Sigmaroc PLC
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.
Financials
- Net assets
- £14,686,782
- Total assets
- £26,174,170
- Cash
- £251,327
- Employees
- 32
- Turnover
- Not reported (small or micro-entity accounts)
Filed as Abridged accounts (unaudited).
Figures from accounts filed at Companies House (iXBRL), period ending 2024-12-31. Where turnover is absent, small and micro-entity accounts are not required to report it, so it is not shown as zero.
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.
3 directors on the board
- Mark James Ridehalgh Director · appointed 2025
- Michael Ignatius Roddy Director · appointed 2022
- David Kenneth Barrett Director · appointed 2022
First-time vs portfolio directors
Portfolio (3)
- Mark James Ridehalgh Director · appointed 2025
- Michael Ignatius Roddy Director · appointed 2022
- David Kenneth Barrett Director · appointed 2022
Left in the last 12 months
- Charles Edmund Trigg Director · appointed 2022 · resigned 2025
- Michael Anthony Crump Director · appointed 2022 · resigned 2025
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
- 06389667
- Status
- Active
- Type
- Private Limited Company
- Edition
- Register edition compiled 27th September 2026
- Labels
- Official record from Companies House · Calculated derived by Governance Register.
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