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Diploma PLC

DPLM · LSE · Industrials, specialised distribution · United Kingdom · IFRS · Fiscal year ends September

Latest report: FY2025, the fiscal year ended 30 September 2025. Snapshot FY2025_cf766f6f.

Overview

Revenue, fiscal year
+11.8% year on year
Operating profit, fiscal year
+36.8% year on year
Net income, fiscal year
+43.0% year on year
Diluted EPS, fiscal year
+42.9% year on year
Operating margin, fiscal year
+3.4pp year on year
Return on equity, fiscal year
+5.2pp year on year

Select a figure to see the document it came from.

Key Findings

Findings for the latest fiscal year, with their history over earlier years.

  1. Revenue for the fiscal year ended 30 September 2025 was £1.5 billion, 11.8% higher than in the previous fiscal year.

    Weakenedin FY2025 · stated since FY2023
    Rule: Revenue against the previous fiscal year · Sources Annual financial report 2025-09
    History of this finding, 3 records
    1. FY2025 WeakenedRevenue for the fiscal year ended 30 September 2025 was £1.5 billion, 11.8% higher than in the previous fiscal year.Recorded from FY2025_cf766f6f · data update
    2. FY2024 WeakenedRevenue for the fiscal year ended 30 September 2024 was £1.4 billion, 13.6% higher than in the previous fiscal year.Reconstructed · data update
    3. FY2023 NewRevenue for the fiscal year ended 30 September 2023 was £1.2 billion, 18.5% higher than in the previous fiscal year.Reconstructed · initial
  2. Net income attributable to the company for fiscal 2025 was £185 million, 43.0% higher than in the previous fiscal year.

    Strengthenedin FY2025 · stated since FY2023
    Rule: Net income against the previous fiscal year · Sources Annual financial report 2025-09
    History of this finding, 3 records
    1. FY2025 StrengthenedNet income attributable to the company for fiscal 2025 was £185 million, 43.0% higher than in the previous fiscal year.Recorded from FY2025_cf766f6f · data update
    2. FY2024 WeakenedNet income attributable to the company for fiscal 2024 was £129 million, 9.9% higher than in the previous fiscal year.Reconstructed · data update
    3. FY2023 NewNet income attributable to the company for fiscal 2023 was £118 million, 24.3% higher than in the previous fiscal year.Reconstructed · initial
  3. The operating margin for fiscal 2025 was 18.6%, 3.4 percentage points higher than a year earlier.

    Newin FY2025 · first stated
    Rule: Operating margin against a year earlier · Sources Annual financial report 2025-09
    History of this finding, 5 records
    1. FY2025 NewThe operating margin for fiscal 2025 was 18.6%, 3.4 percentage points higher than a year earlier.Recorded from FY2025_cf766f6f · data update
    2. FY2025 RetiredThe finding changed to higher than a year earlier.Recorded from FY2025_cf766f6f · data update
    3. FY2024 NewThe operating margin for fiscal 2024 was 15.2%, 0.1 percentage points lower than a year earlier.Reconstructed · data update
    4. FY2024 RetiredThe finding changed to lower than a year earlier.Reconstructed · data update
    5. FY2023 NewThe operating margin for fiscal 2023 was 15.3%, 1.0 percentage points higher than a year earlier.Reconstructed · initial
  4. Return on equity for fiscal 2025 was 19.7%, against 14.5% a year earlier.

    Newin FY2025 · first stated
    Rule: Return on equity against a year earlier · Sources Annual financial report 2025-09, Annual financial report 2024-09
    History of this finding, 4 records
    1. FY2025 NewReturn on equity for fiscal 2025 was 19.7%, against 14.5% a year earlier.Recorded from FY2025_cf766f6f · data update
    2. FY2025 RetiredThe finding changed to higher than a year earlier.Recorded from FY2025_cf766f6f · data update
    3. FY2024 ConfirmedReturn on equity for fiscal 2024 was 14.5%, against 15.1% a year earlier.Reconstructed · data update
    4. FY2023 NewReturn on equity for fiscal 2023 was 15.1%, against 15.8% a year earlier.Reconstructed · initial
  5. Free cash flow for fiscal 2025 was £254 million, and operating cash flow was 1.4 times net income attributable to the company.

    Interpretation. Operating cash flow paid for all capital expenditure, and the rest is free for dividends, share buybacks or debt repayment.

    Strengthenedin FY2025 · stated since FY2023
    Rule: Free cash flow · Sources Annual financial report 2025-09
    History of this finding, 3 records
    1. FY2025 StrengthenedFree cash flow for fiscal 2025 was £254 million, and operating cash flow was 1.4 times net income attributable to the company.Recorded from FY2025_cf766f6f · data update
    2. FY2024 StrengthenedFree cash flow for fiscal 2024 was £179 million, and operating cash flow was 1.5 times net income attributable to the company.Reconstructed · data update
    3. FY2023 NewFree cash flow for fiscal 2023 was £168 million, and operating cash flow was 1.6 times net income attributable to the company.Reconstructed · initial
  6. Net debt was £383 million at 30 September 2025.

    Weakenedin FY2025 · stated since FY2023
    Rule: Net debt or net cash · Sources Annual financial report 2025-09
    History of this finding, 3 records
    1. FY2025 WeakenedNet debt was £383 million at 30 September 2025.Recorded from FY2025_cf766f6f · data update
    2. FY2024 StrengthenedNet debt was £497 million at 30 September 2024.Reconstructed · data update
    3. FY2023 NewNet debt was £335 million at 30 September 2023.Reconstructed · initial

Records before FY2025 are reconstructed from the latest snapshot. Ledger: findings.json.

Credit, liquidity, earnings quality and score findings: Analysis.

Data

Source documents4 documents, latest Annual financial report for the year to 30 September 2025List
DownloadsExcel workbook · JSON
SnapshotFY2025_cf766f6f

Corporate Events

Corporate events are listed for companies whose figures come from 10-K and 10-Q filings; none are listed for this company.

Earnings, Returns and Balance Sheet

Revenue

By fiscal year, pounds sterling

Operating Profit

By fiscal year, pounds sterling

Profit Attributable to Owners of the Parent

By fiscal year, pounds sterling

Margins

By fiscal year, per cent

Returns

By fiscal year, per cent

Free Cash Flow

Operating cash flow less capital expenditure, by fiscal year, pounds sterling

Net Debt

Total debt less cash and short-term investments, at fiscal year end, pounds sterling

Diluted Earnings per Share

By fiscal year, as reported

Financial Statements

Figures as filed. Select a figure for its source document and method; a small d marks a figure derived from other figures of the same report.

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Ratios

Select a ratio for its formula and the figures it uses, each with its document; (i) gives its definition.

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Source Documents

Documents of this snapshot, latest first. A report that states no date of publication carries the date on which the public index of structured annual reports added it.

DocumentDateId
Annual financial report for the year to 30 September 20259 Dec 2025, added to the indexAFR:2138008OGI7VYG8FGR19-2025-09-30-0
Annual financial report for the year to 30 September 202418 Dec 2024, added to the indexAFR:2138008OGI7VYG8FGR19-2024-09-30-0
Annual financial report for the year to 30 September 202326 Mar 2024, added to the indexAFR:2138008OGI7VYG8FGR19-2023-09-30-0
Annual financial report for the year to 30 September 20225 Jan 2023, added to the indexAFR:2138008OGI7VYG8FGR19-2022-09-30-0

Checks

2121 checks, all passed
Fiscal calendar9 passedFiscal years last 350 to 380 days, and each starts on the day after the one before. Checked at error level.
Coverage2 passedThe latest fiscal year gives total assets and a profit figure. Checked at error level.
Balance sheet identity4 passedTotal assets equal total liabilities and equity at each balance sheet date. Checked at error level.
Gross profit1 passedRevenue less cost of sales equals the gross profit that the company presents. A gross profit that differs is withheld, and so is a cost of sales that the company gives without gross profit. Checked at warning level.
Earnings per share5 passedProfit divided by earnings per share gives a number of shares in line with the other years. Checked at warning level.

Data Quality

How many values of this snapshot the checks prove, and how many Annalist derives, withholds and tracks as restated. Every company.

Values published200
Proven by a check7.5%, 15 values
Confirmed by a second document0.0%, 0 values
Derived from reported figures4.5%, 9 values
Values withheld0
Restated figures tracked2
Changes compared on one basis0
Company lines mapped0 of 0 reviewed

Citation

Annalist, Diploma PLC, snapshot diploma/FY2025_cf766f6f (as of FY2025); <item label>, <period>; source <document id> (<document url>)

Snapshot FY2025_cf766f6f · dataset SHA-256 cf766f6f0e4fb9d138f303ffd021b2f41dba6ddaf24866ab99f55c01f3c2e70f · findings rules 0.4

Data: info.json · dataset.json · validation.json · documents.json