Diploma /£DPLM
1D1W1M3M6MYTD1Y5YMAX
Capital at risk
About Diploma
Diploma PLC is a UK-based international group of businesses supplying specialized technical products and services. Operating primarily in the Life Sciences, Seals, and Controls sectors, the company distributes a diversified range of products across industries such as healthcare, environmental, and industrial technology. Founded in 1931, Diploma PLC is listed on the London Stock Exchange under the ticker symbol DPLM.
- Ticker
- £DPLM
- Sector
- Industrials
- Primary listing
- LSE
- Employees
- 3,400
- Headquarters
- London, United Kingdom
- Website
- www.diplomaplc.com
Diploma Metrics
BasicAdvanced
£11B
56.12
£1.41
0.92
£0.63
0.80%
Price and volume
Market cap
£11B
Beta
0.92
52-week high
£79.80
52-week low
£49.70
Average daily volume
499K
Dividend rate
£0.63
Financial strength
Current ratio
2.059
Quick ratio
1.007
Long term debt to equity
0.46
Total debt to equity
0.474
Dividend payout ratio (TTM)
44.14%
Interest coverage (TTM)
11.52%
Profitability
EBITDA (TTM)
400
Gross margin (TTM)
47.52%
Net profit margin (TTM)
11.50%
Operating margin (TTM)
19.51%
Effective tax rate (TTM)
28.41%
Revenue per employee (TTM)
£480,000
Management effectiveness
Return on assets (TTM)
10.78%
Return on equity (TTM)
18.95%
Valuation
Price to earnings (TTM)
56.119
Price to revenue (TTM)
6.423
Price to book
10.07
Price to tangible book (TTM)
-189.14
Price to free cash flow (TTM)
39.697
Free cash flow yield (TTM)
2.52%
Free cash flow per share (TTM)
1.986
Dividend yield (TTM)
0.80%
Growth
Revenue change (TTM)
13.31%
Earnings per share change (TTM)
13.05%
3-year revenue growth (CAGR)
12.82%
10-year revenue growth (CAGR)
16.76%
3-year earnings per share growth (CAGR)
14.13%
10-year earnings per share growth (CAGR)
15.84%
3-year dividend per share growth (CAGR)
4.55%
10-year dividend per share growth (CAGR)
13.01%
What the Analysts think about Diploma
Analyst ratings (Buy, Hold, Sell) for Diploma stock.
Analyst projections of the future price of Diploma stock.
Bulls say / Bears say
Organic growth reached 15% in the first nine months, and Diploma lifted its full-year organic growth forecast to 14%. Repeated upgrades point to strong trading momentum across the group. (Investegate)
Adjusted operating profit rose 33% in the first half as the operating margin widened by 300 basis points to 24.5%. Diploma later raised its full-year margin outlook to 26.5%, indicating further scope for operating leverage. (Diploma PLC, Investegate)
Diploma has a strong acquisition pipeline and says it has significant balance-sheet headroom. The CDM deal also gives it a US interconnect platform with exposure mainly to defence markets. (Investegate)
Management has described the current performance as exceptional and cautioned that it may not be sustained. If growth and margins ease, the recent pace of upgrades could prove hard to repeat. (Longbridge)
Life Sciences remains a weak spot: Diploma described its markets as challenging. A prolonged downturn there could weigh on the group even if other divisions continue to grow. (Investegate)
The shares carry a high headline valuation, and RBC's 8,000p target implied only about 3% upside at the reported 7,825p share price. That leaves limited room for further re-rating if earnings disappoint. (Proactive Investors)
Data summarised monthly by Lightyear AI. Last updated on 13 Oct 2026.
Diploma Financial Performance
Revenues and expenses
Diploma Earnings Performance
Company profitability
Upcoming events
No upcoming events
Funds containing Diploma
AllEURGBPUSD
Fund name | Fund size | £DPLM weighting |
|---|---|---|
iShares STOXX Europe Mid 200€EXSD | €610M | 0.76% |
iShares STOXX Europe 600 Industrial Goods & Services€EXH4 | €582M | 0.63% |
iShares MSCI Europe Industrials Sector€ESIN | €1.3B | 0.56% |
iShares MSCI Europe Industrials Sector£ESIN | £1.1B | 0.56% |
Vanguard FTSE 100£VUKG | £1.9B | 0.41% |
Latest price is delayed by 15 minutes. Data displayed above is indicative only and its accuracy or completeness is not guaranteed. Actual execution price may vary. Past performance is not indicative of future results. Your return may be affected by currency fluctuations and applicable fees and charges. Capital at risk.
Market data provided by London Stock Exchange, through Infront.