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Diamond AIR Conditioning Limited

Diamond AIR Conditioning Limited is an active UK company (number SC323484), incorporated 2007, with 3 current directors including Sandra Lorraine Van Rossum and Lynn Bainbridge. Source: Companies House, updated 11th October 2026.

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Official record Companies House · updated 11th October 2026 · Sources · Free, no card or password

Network

The large node is Diamond AIR Conditioning Limited. Red nodes are organisations, white nodes are people. Sign in free to explore further.

Who leads it

Previous officers 2

  1. Brian Boyd 2008-2026 Director View profile
  2. Michelle Doran 2007-2008 Director View profile

Directors and secretaries as filed at Companies House.

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About

Incorporated
11/05/2007

Ownership

Owned by (2) 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. Diamond AIR Conditioning Limited is controlled by PCB Technical Solutions Limited
    Evidence
    active 75-100% shares, 75-100% voting, appoints directors · notified 2025-04-02 · source: Companies House PSC register
  2. PCB Technical Solutions Limited is controlled by Sandra Lorraine Van Rossum
    Evidence
    ceased 25-50% shares · notified 2016-04-06, ceased 2023-04-12 · source: Companies House PSC register

Ultimately controlled by Sandra Lorraine Van Rossum.

1 other company 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.

3 directors on the board

5.5y median 7.5y
average tenure
7.5y
longest tenure

Directors past 6 years

First-time vs portfolio directors

First-time (2)

Portfolio (1)

0
also govern a charity

Left in the last 12 months

  • Brian Boyd Director · appointed 2008 · 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.

Construction 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
SC323484
Status
Active
Type
Private Limited Company
Edition
Register edition compiled 11th October 2026
Labels
Official record from Companies House · Calculated derived by Governance Register.

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