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Company

Calmax Construction Limited

Calmax Construction Limited is an active UK company (number SC200789), incorporated 1999, with 1 current director, Donald Mackay. 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 Calmax Construction Limited. Red nodes are organisations, white nodes are people. Sign in free to explore further.

Who leads it

Previous officers 6

  1. Christeen Mackay 2008-2021 Director View profile
  2. Calum Ian Alistair Mackay 1999-2026 Director View profile
  3. CIB Secretarial Limited 2016-2020 Corporate-secretary View profile
  4. CIB Stornoway Limited 2010-2016 Corporate-secretary View profile
  5. CIB Services 2007-2010 Corporate-secretary View profile
  6. Calum Maclean 1999-2008 Secretary View profile

Directors and secretaries as filed at Companies House.

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About

Incorporated
18/10/1999

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.

  • Donald Mackay
    75-100% shares, 75-100% voting · notified 2021-12-20 - confirmed: also a director of this company
  • Calum Ian Alistair Mackay ceased 2026-04-01
    50-75% shares, 50-75% voting · notified 2016-04-06
  • Christeen Mackay ceased 2021-10-07
    25-50% shares, 25-50% voting · notified 2016-04-06

Group

  1. Calmax Construction Limited is controlled by Donald Mackay
    Evidence
    active 75-100% shares, 75-100% voting · notified 2021-12-20 · source: Companies House PSC register

Ultimately controlled by Donald Mackay.

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.

1 directors on the board

2.5y median 2.5y
average tenure
2.5y
longest tenure
0
directors past 6 years

First-time vs portfolio directors

Portfolio (1)

0
also govern a charity

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.

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

  • A single director - no second pair of eyes on any decision

Where to look Suggested search: a second director to remove single-point control.

Sources

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

Record details
Company number
SC200789
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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