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Company

Mandall's Slate Company Limited

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Official record Companies House · updated 27th September 2026 · Sources

Network

The large node is Mandall's Slate Company Limited. Red nodes are organisations, white nodes are people. Sign in free to explore further.

Who leads it

Previous officers 6

  1. Ronald Michael Wensley Clarkson 1998-2009 Director View profile
  2. Michael Joseph Colagiovanni 1998-2002 Director View profile
  3. David Arthur Parkin 1994-1998 Director View profile
  4. David Clouston Wallace 1992 Director View profile
  5. George Michael Brownlee 1996 Director View profile
  6. Currey & CO 2011 Corporate-secretary 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
03/04/1902

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.

Group

  1. Mandall's Slate Company Limited is controlled by Burlington Slate Production Limited
    Evidence
    active 75-100% shares · notified 2016-04-06 · source: Companies House PSC register
  2. Burlington Slate Production Limited is controlled by Burlington Slate Limited
    Evidence
    active 75-100% shares · notified 2016-04-06 · source: Companies House PSC register
  3. Burlington Slate Limited is controlled by Peter Anthony Bostock
    Evidence
    ceased 25-50% shares (trust) · notified 2016-04-06, ceased 2018-03-26 · source: Companies House PSC register

Ultimately controlled by Peter Anthony Bostock.

10 other companies in this group

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

28.4y median 28.4y
average tenure
34.2y
longest tenure

Directors past 6 years

First-time vs portfolio directors

Portfolio (2)

1
also govern a charity
0
left in the last 12 months

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.

Mining 10Arts and leisure 4Finance 4Property 4Agriculture 2Construction 2Professional services 2Business services 1

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.

Gaps to watch

  • Several long-serving directors could step down together

Where to look Suggested search: succession planning for long-tenured seats.

Sources

Official record from Companies House. Governance Register calculates the connections.

Record details
Company number
00073299
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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