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
£9.8B
52.10
£1.41
0.92
£0.63
0.86%
Price and volume
Market cap
£9.8B
Beta
0.92
52-week high
£79.80
52-week low
£49.70
Average daily volume
419K
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)
52.098
Price to revenue (TTM)
5.963
Price to book
9.36
Price to tangible book (TTM)
-175.95
Price to free cash flow (TTM)
36.852
Free cash flow yield (TTM)
2.71%
Free cash flow per share (TTM)
1.986
Dividend yield (TTM)
0.86%
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
Diploma reported 15% organic growth over the first nine months and raised FY26 organic growth guidance to 14%, with its expected operating margin also lifted to about 26.5%. Repeated upgrades point to strong near-term trading momentum. (Diploma PLC)
Controls has strong exposure to aerospace, defence, data centres and energy, and delivered 26% organic growth in the first half. The company said its Controls businesses continued to grow strongly in the third quarter, supporting a structural-growth case beyond general industrial demand. (Diploma PLC, Diploma PLC)
The acquisition programme offers another growth channel: 15 businesses acquired or agreed in the year to the half-year were expected to add about £40m of annualised operating profit, while Diploma reported a healthy pipeline and balance-sheet headroom. Its leverage was 0.8 times at the half-year, leaving capacity to pursue further deals. (Diploma PLC, Diploma PLC)
Management said growth is likely to moderate towards more normal levels after this unusually strong year, while margins should ease as the group reinvests and adjusts Peerless pricing. That creates a risk that profit growth slows after FY26’s sharp step-up. (StockAnalysis)
Not all divisions are sharing the Controls boom: Life Sciences faces tough healthcare markets and management expected only low single-digit growth for the year, while International Seals remained patchy. Continued weakness in these areas could limit the benefit of Diploma’s diversified portfolio. (Diploma PLC, Seeking Alpha)
The shares’ valuation leaves less room for disappointment: RBC described the rating as high and its 8,000p target implied only about 3% upside at the price then prevailing. With the share-price run already strong, further gains may need to come mainly from earnings delivery rather than a higher valuation multiple. (Proactive Investors)
Data summarised monthly by Lightyear AI. Last updated on 20 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 | 0.69% |
iShares STOXX Europe 600 Industrial Goods & Services€EXH4 | €541M | 0.59% |
iShares MSCI Europe Industrials Sector€ESIN | €1B | 0.52% |
iShares MSCI Europe Industrials Sector£ESIN | €1B | 0.52% |
Vanguard FTSE 100£VUKE | £4.7B | 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.