The Governance RegisterEdition 2026 · Compiled 12th July 2026

DM Calibration Limited

Company 02578415 Active

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Board DNA

How this board is put together, from the Companies House officer record and Charity Commission trustee records - deterministic, no AI.

1
directors on the board
11.4y median 11.4y
average tenure
11.4y
longest tenure
1
directors past 6 years
0 vs 1 portfolio
first-time directors
0
also govern a charity
0
left in the last 12 months

Where else this board sits

Manufacturing 7Business services 2Arts and leisure 1Construction 1Finance 1Property 1Transport 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.

Related organisations

Companies whose board overlaps with this one through the same people. Deterministic, from public records.

Company details

Number02578415
StatusActive
TypePrivate Limited Company
Incorporated30/01/1991
AddressUNIT 3, ICENI COURT ICKNIELD WAY, LETCHWORTH GARDEN CITY, HERTFORDSHIRE, SG6 1TN
Accounts next due29/09/2026
Accounts last made up29/06/2024

Industry (SIC)

82990 - Other business support service activities n.e.c.

Ownership - persons with significant control (3)

  • Dm Calibration Group Limited
    ownership of shares 75-100% voting rights 75-100% right to appoint and remove directors
  • Mr Simon Milton Webber ceased British
    ownership of shares 75-100%
  • Shoo 501 Limited ceased
    ownership of shares 75-100%

Officers (4)

  • Webber, Simon Milton Director · appointed 2015
  • Healiss, Margaret Edith Former Director · appointed 1998 · resigned 2015
  • Harris, Rex Edward Former Director · appointed 1991 · resigned 1998
  • Healiss, Douglas Ronald Former Secretary · appointed 1991 · resigned 2015

Directors and officers on the Companies House record, current and former.

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