DIPLOMA PLC

Company no. 03899848 · Public Limited Company
Active

DIPLOMA PLC is a public limited company registered with Companies House under number 03899848. It was incorporated on 24 Dec 1999 (26 years ago) and is currently active. Its registered office is 10-11 CHARTERHOUSE SQUARE, LONDON, EC1M 6EE. There are 12 active officers on record.

Company details

Company number
03899848
Status
Active
Type
Public Limited Company
Incorporated
24 Dec 1999
Registered office
10-11 CHARTERHOUSE SQUARE, LONDON, EC1M 6EE
Nature of business (SIC)
70100 - Activities of head offices
Next accounts due
31 Mar 2027

Directors & officers

LAWRENCE, Anna
Secretary · appointed 30 May 2025
BICKERSTAFFE, Katie
Director · appointed 1 Oct 2024 · British
EL-MOKADEM, Ian Ramsey Safwat
Director · appointed 15 Jan 2025 · British
FINCH, Dean Kendal
Director · appointed 21 May 2021 · British
GRADDEN, Amanda Jane
Director · appointed 1 Jun 2026 · British
HUSE, Geraldine Claire
Director · appointed 20 Jan 2020 · British
LOWDEN, David Soutar
Director · appointed 19 Oct 2021 · British
NG, Wilson
Director · appointed 14 Aug 2025 · Malaysian
PHYFER, Cheri Marie
Director · appointed 2 Mar 2026 · American
STIPP, Janice Elaine
Director · appointed 17 Jan 2024 · American
THOMSON, Jonathan David
Director · appointed 25 Feb 2019 · British
WARD, Jennifer Suzanne
Director · appointed 1 Jun 2023 · American

Ownership & control (PSC)

No persons with significant control listed (some listed companies file a statement instead).

Ask Verivello about DIPLOMA PLC

Who are the directors? Who owns it? (PSC) Directors' other companies Disqualified directors? Financial health Filing history Charges & mortgages Insolvency history? Property owned FCA authorised? ICO registration Sanctions check Political donations? Latest news Is it safe to deal with? Full due diligence
Or ask anything — check DIPLOMA PLC free →

Data from Companies House (official public register), presented by Verivello for information only — not a credit reference or financial advice. Always verify against the official source. Last checked 4 Jul 2026.