Diploma Holdings PLC

Company 00256111 Active

Connected board network

The connection graph needs a free account.

This company's record is public. The network of who else its directors govern is compiled from the registers by us, and an account keeps it out of bulk scrapers.

Board DNA

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

directors on the board

3.1y median 1.1y

average tenure

7.2y

longest tenure

directors past 6 years

0 vs 3 portfolio

first-time directors

also govern a charity

left in the last 12 months

Where else this board sits

Professional services 11Finance 8Property 2Business services 1Dormant 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.

Related organisations

Newlandglebe Limited 2 shared directors
Diploma PLC 2 shared directors
Diploma Overseas Limited 2 shared directors
Techsil Group Holdings Limited 2 shared directors
R&G Fluid Power Holdings Limited 2 shared directors
M Seals UK Limited 2 shared directors

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

Company details

Number	00256111
Status	Active
Type	Public Limited Company
Incorporated	01/05/1931
Address	10-11 CHARTERHOUSE SQUARE, LONDON, EC1M 6EE
Accounts next due	31/03/2027
Accounts last made up	30/09/2025

Industry (SIC)

70100 - Activities of head offices

Ownership - persons with significant control (1)

Diploma Plc
ownership of shares 75-100% voting rights 75-100% right to appoint and remove directors

Officers (18)

NG, Wilson Director · appointed 2025
Lawrence, Anna Secretary · appointed 2025
Lawrence, Anna Louise Director · appointed 2025
Thomson, Jonathan David Director · appointed 2019
Davies, Christopher Mark Former Director · appointed 2022 · resigned 2025
Morrison, John Former Director · appointed 2022 · resigned 2025
Morrison, John Former Secretary · appointed 2020 · resigned 2025
Nicholas, John Edward Former Director · appointed 2018 · resigned 2019
Ingram, Richard John Former Director · appointed 2018 · resigned 2018
Gallagher, Anthony James Former Secretary · appointed 2013 · resigned 2020
Lingwood, Nigel Peter Former Secretary · appointed 2001 · resigned 2020
Henderson, John Iain Former Director · appointed 1998 · resigned 2016
Thompson, Bruce Mckenzie Former Director · appointed 1994 · resigned 2018
Reid, William Former Director · appointed 1994 · resigned 2001
Walker, Barry Matthew Former Director · appointed 1993 · resigned 1993
Thomas, Aubrey John Christopher Former Director · resigned 2002
Lord Stewartby, Bernard Harold Ian Halley, Lord Stewartby Former Director · resigned 2001
Parkinson, Andrew Michael Reay Former Secretary · resigned 2001

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

Report an error in this record - let us know.