Diploma PLC

Last updated September 28, 2026
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Organization details

Legal name
Diploma PLC
Ownership
Public
Status
Active
SIC code
70100 - Activities of head offices
Year founded
1999
Jurisdiction of incorporation
England and Wales
Headquarters city
London
Headquarters country
United Kingdom
Fiscal year end
September

Identifiers

UK company number
03899848

Board of directors

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Former directors

Board connections

6 of this board's directors also sit on 7 other boards.

Network of Diploma PLC's board connections Diploma Holdings PLC Diploma Holdings PLC Barratt Redrow PLC Barratt Redrow PLC Capita PLC Capita PLC Morgan Sindall Group PLC Morgan Sindall Group P... Persimmon Public Limited Company Persimmon Public Limit... Serco Group PLC Serco Group PLC United Utilities Group PLC United Utilities Group... David Soutar Lowden David Soutar Lowden Dean Kendal Finch Dean Kendal Finch Ian Ramsey Safwat El-Mokadem Ian Ramsey Safwat El... Jonathan David Thomson Jonathan David Thoms... Katie Bickerstaffe Katie Bickerstaffe Wilson Ng Wilson Ng Diploma PLC
Shared director Other board Same sector

Questions about Diploma PLC

How many directors are on Diploma PLC's board?

Diploma PLC's board has 10 directors: Amanda Jane Gradden, Cheri Marie Phyfer, David Soutar Lowden, Dean Kendal Finch, Ian Ramsey Safwat El-Mokadem, Janice Elaine Stipp, Jennifer Suzanne Ward, Jonathan David Thomson, Katie Bickerstaffe and Wilson Ng.

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