DIPLOMA PLC

Active London

Activities of head offices

3,390 employees website.com
Supply chain, manufacturing and commerce models Advanced & precision manufacturing Activities of head offices
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DIPLOMA PLC

Activities of head offices

Founded 24 Dec 1999 Active London, England 3,390 employees website.com
Supply chain, manufacturing and commerce models Advanced & precision manufacturing Activities of head offices

Previous Company Names

NEW DIPLOMA PLC 22 Feb 2000 — 17 Apr 2000
MERGESECTOR PUBLIC LIMITED COMPANY 24 Dec 1999 — 22 Feb 2000
Accounts Submitted 29 Jan 2026 Next due 31 Mar 2027 11 months remaining
Confirmation Submitted 31 Dec 2025 Next due 5 Jan 2027 8 months remaining
Net assets £994M £100M 2025 year on year
Total assets £1,809M £37M 2025 year on year
Total Liabilities £815M £62M 2025 year on year
Charges None No charges registered

Contact & Details

Contact

Registered Address

10-11 Charterhouse Square London EC1M 6EE England

Telephone

0800 000 0000

Email

info@example.com

Website

www.example.com

Full company profile for DIPLOMA PLC (03899848), an active supply chain, manufacturing and commerce models company based in London, England. Incorporated 24 Dec 1999. Activities of head offices. View financials, directors, shareholders, and filings.

Business Summary

This company specializes in providing innovative solutions and services across multiple sectors.

Products & Services

consulting software analytics integration

Reports

Credit Report

In-depth credit score, financial analysis, risk assessment and company intelligence.

Financials

Financials

Period 1 Jan → 31 Dec 2025
Type Total Exemption Full
Next accounts 31 December 2026
Due by 30 September 2027 9 months

Net Assets, Total Assets & Total Liabilities (2013–2025)

Cash in Bank

£81.70M

Increased by £26.20M (+47%)

Net Assets

£994.20M

Increased by £99.50M (+11%)

Total Liabilities

£815.20M

Decreased by £62.20M (-7%)

Turnover

£1524.50M

Increased by £161.10M (+12%)

Employees

3390

Decreased by 207 (-6%)

Debt Ratio

45%

Decreased by 5 (-10%)

Financial History

Revenue, profit, EBITDA and key financial figures

2025
Dec Year End
2024
Dec Year End
P&L
Revenue
£142.3M
£128.7M
Gross Profit
£48.2M
£43.1M
Operating Profit
£22.4M
£19.8M
Net Profit
£18.1M
£15.9M
EBITDA
£31.5M
£28.2M
Assets
Cash
£24.7M
£21.3M
Total Assets
£89.4M
£82.1M
Liabilities
Total Liabilities
£45.2M
£41.8M
Key Metrics
Employees
1,247
1,156
Latest Revenue
£142.3M
Latest EBITDA
£31.5M
Cash Position
£24.7M

Funding

Fundraising & Grants

No fundraising or grants recorded

Investors (0)

No investor information available

Share Capital

Share Capital

Share allotments and capital structure

6 Allotments 21,016,375 Shares £236.70m Total
Date FromShare ClassShares AllottedAmount RaisedPrice/Share
17 Nov 2025141,191£7k£0.05
19 Nov 202484,232£4k£0.05
21 Mar 20239,350,965£236.11m£25.25
21 Nov 202263,372£3k£0.05
22 Nov 202152,655£3k£0.05

Officers

Officers

0 active 3 resigned
Status

No officers found

No officers found

Shareholders

Shareholders (20)

Capital Research And Management Company
12.7%
Smallcap World Fund, Inc.
8.0%

Persons with Significant Control

Persons with Significant Control (0)

No PSC information available

Group Structure

Group Structure

DIPLOMA PLC Current Company
DIPLOMA HOLDINGS PLC united kingdom

Charges

Charges

No charges registered

Properties

Properties

0 total

No related properties

Documents

Company Filings

DateCategoryDescriptionDocument
5 Mar 2026OfficersAppointment of Mrs Cheri Marie Phyfer as director on 2026-03-02
4 Feb 2026ResolutionResolutions
29 Jan 2026AccountsAnnual accounts made up to 2025-09-30
31 Dec 2025Confirmation StatementConfirmation statement made on 2025-12-22 with no updates
29 Dec 2025OfficersChange to director Janice Stipp on 2025-12-29
5 Mar 2026 Officers

Appointment of Mrs Cheri Marie Phyfer as director on 2026-03-02

4 Feb 2026 Resolution

Resolutions

29 Jan 2026 Accounts

Annual accounts made up to 2025-09-30

31 Dec 2025 Confirmation Statement

Confirmation statement made on 2025-12-22 with no updates

29 Dec 2025 Officers

Change to director Janice Stipp on 2025-12-29

Recent Activity

Latest Activity

Appointment of Mrs Cheri Marie Phyfer as director on 2026-03-02

1 months ago on 5 Mar 2026

Resolutions

2 months ago on 4 Feb 2026

Annual accounts made up to 2025-09-30

2 months ago on 29 Jan 2026

Confirmation statement made on 2025-12-22 with no updates

3 months ago on 31 Dec 2025

Change to director Janice Stipp on 2025-12-29

3 months ago on 29 Dec 2025