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Market Closed -
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5-day change | 1st Jan Change | ||
| 6,945.00 GBX | -1.28% |
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-0.43% | +31.16% |
| 04-28 | BNP Paribas Begins Diploma Coverage with Outperform Rating | MT |
| 04-28 | WINNERS & LOSERS: BP, Barclays at opposite ends of index after results | AN |
Business description: Diploma PLC
- manufacturing of control systems (54.9%): fluid control systems, harness components, wiring and fastening systems used primarily in aerospace, defense, medicine, energy and motor sports sectors;
- manufacturing of seals (29.9%): gaskets, filters, cylinders, machined parts for specialized industrial equipment, cylinder components for repair and maintenance of heavy mobile machinery and industrial equipment, etc.;
- manufacturing of healthcare equipment and environmental management equipment (15.2%): medical devices for pathology laboratories, operating rooms, clinics, etc., environmental analyzers, containments and emission control systems.
Net sales are distributed geographically as follows: the United Kingdom (18.4%), Europe (16.2%), the United States (52.6%) and other (12.8%).
Number of employees: 3,390
Sales by Activity: Diploma PLC
| Fiscal Period: September | 2021 (GBP) | 2022 (GBP) | 2023 (GBP) | 2024 (GBP) | 2025 (GBP) |
|---|---|---|---|---|---|
Controls | 343M | 493M | 568M | 652M | 836M |
Seals | 264M | 331M | 419M | 489M | 456M |
Life Sciences | 180M | 189M | 213M | 222M | 232M |
Geographical breakdown of sales: Diploma PLC
| Fiscal Period: September | 2021 (GBP) | 2022 (GBP) | 2023 (GBP) | 2024 (GBP) | 2025 (GBP) |
|---|---|---|---|---|---|
USA | - | - | 538M | 626M | 803M |
United Kingdom | 142M | 210M | 267M | 273M | 280M |
Rest of Europe | 166M | 167M | 210M | 268M | 248M |
Rest of World | 66.6M | 75.4M | 185M | 196M | 195M |
North America | 412M | 561M | - | - | - |
Executive Committee: Diploma PLC
| Manager | Title | Age | Since |
|---|---|---|---|
Jonathan Thomson
CEO | Chief Executive Officer | 54 | 24/02/2019 |
Wilson Ng
DFI | Director of Finance/CFO | - | 13/08/2025 |
Holly Gillis
IRC | Investor Relations Contact | - | - |
Anna Lawrence
LAW | General Counsel | - | - |
| Human Resources Officer | 55 | 31/08/2023 |
Composition of the Board of Directors: Diploma PLC
| Director | Title | Age | Since |
|---|---|---|---|
Jonathan Thomson
BRD | Director/Board Member | 54 | 24/02/2019 |
Geraldine Huse
BRD | Director/Board Member | - | 19/01/2020 |
Dean Finch
BRD | Director/Board Member | 60 | 20/05/2021 |
David Lowden
CHM | Chairman | 68 | 18/01/2022 |
Jennifer Ward
BRD | Director/Board Member | - | 31/05/2023 |
Janice Stipp
BRD | Director/Board Member | 66 | 16/01/2024 |
| Director/Board Member | 59 | 30/09/2024 | |
Ian El-Mokadem
BRD | Director/Board Member | 58 | 14/01/2025 |
Wilson Ng
BRD | Director/Board Member | - | 13/01/2026 |
Cheri Phyfer
BRD | Director/Board Member | 54 | 01/03/2026 |
Company details: Diploma PLC
Group companies: Diploma PLC
| Name | Category and Sector |
|---|---|
Diploma Overseas Ltd.
 Diploma Overseas Ltd. Financial ConglomeratesFinance Functions as an investment holding company |
Financial Conglomerates
|
Diploma Overseas Ltd.
Diploma Overseas Ltd. Financial ConglomeratesFinance Functions as an investment holding company |
Financial Conglomerates
|
Diploma Holdings Plc
 Diploma Holdings Plc Financial ConglomeratesFinance Functions as an investment holding company |
Financial Conglomerates
|
Diploma Holdings Plc
Diploma Holdings Plc Financial ConglomeratesFinance Functions as an investment holding company |
Financial Conglomerates
|
Diploma Canada Healthcare, Inc.
 Diploma Canada Healthcare, Inc. Part of Diploma Plc, Diploma Canada Healthcare, Inc. is a company located in Canada. |
Industrial Machinery & Equipment Wholesale
| Change | 5d. change | 1-year change | 3-years change | Capi.($) | ||
|---|---|---|---|---|---|---|
 | -1.28% | -0.43% | +68.98% | +161.68% | 12.69B | |
| -0.03% | +7.41% | +18.96% | +80.23% | 58.25B | |
| -0.43% | -1.65% | +12.39% | +62.21% | 50.71B | |
| -0.48% | +1.94% | +40.07% | +139.36% | 11.42B | |
| -1.15% | +0.14% | -4.94% | +83.51% | 9.23B | |
| -0.03% | +1.61% | +36.83% | +15.94% | 5.82B | |
| -0.49% | +1.32% | +14.02% | -28.79% | 3.92B | |
| +4.11% | -7.53% | +84.37% | +536.95% | 2.42B | |
| +0.15% | -2.54% | -10.54% | +39.94% | 2.39B | |
| -0.70% | -4.55% | +38.49% | +61.62% | 2.33B | |
| Average | -0.03% | -0.39% | +29.86% | +115.27% | 15.92B | |
| Weighted average by Cap. | -0.31% | +2.29% | +22.35% | +86.45% |
Sector
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Annual profits - Rate of surprise
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