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Diploma PLC (DPLM.L)

Industrials High-growth

Diploma is a British business that specialises in sourcing and supplying essential, high-quality parts for niche industrial and healthcare markets.

£73.20

Is Diploma PLC a good stock for a UK beginner?

The honest version: Diploma is a British business that specialises in sourcing and supplying essential, high-quality parts for niche industrial and healthcare markets.

No rating · no target price · nothing for sale here
Price+64.6%
52-week range+50% past year
£73.20
Low £49.70High £77.20
Where today's price sits versus its past year - context, not a signal.
If you had put £1,000 into Diploma PLC
£1,646+65%

Over about 2 years to 2026-07-31. This is the share price only - reinvesting the dividends would add to it. Past performance is not a guide to the future, and it could just as easily have fallen.

Market cap: The company's total value on the stock market - share price times the number of shares. Big = 'large-cap', small = 'small-cap'.
£9.82B
Avg volume: How many shares change hands on a typical day. Higher means it's easy to buy or exit without moving the price.
540.08K
Day range: The lowest and highest price the shares traded at during the latest day.
£73.10 – £74.90
52-week range: The lowest and highest the shares have traded over the past year - a sense of how wide the swings have been.
£49.70 – £77.20
P/E ratio: Price-to-earnings: the share price divided by yearly profit per share. Lower can mean cheaper; higher often means investors expect fast growth.
51.9
Dividend yield: The yearly dividend as a percentage of the share price - roughly the income you'd earn from dividends alone.
0.9%
Beta: How bumpy the share price is versus the whole market. Above 1 swings more than the market; below 1 is calmer. It's about the ride, not whether it goes up or down.
0.92
How bumpy is it?Beta: How bumpy the share price is versus the whole market. Above 1 swings more than the market; below 1 is calmer. It's about the ride, not whether it goes up or down. 0.92
Calm
Wild
Roughly in step with the market

Based on beta - how much the price swings versus the whole market. Bumpier isn't bad; it just means a rougher ride, which matters more the sooner you might need the money.

Why has it been moving?▲ +4% past week · ▲ +50% past year

Prices move on results, news and the mood of the whole market - no single headline explains a day, and a quiet week is usually just noise, not a signal.

The bull case

Expansion into new global markets proves highly profitable.

The bear case

Increased competition erodes profit margins over time.

What does Diploma PLC do?

Think of Diploma as a vital middleman that provides specialised components—like seals, cables, and medical equipment—that keep complex machinery and healthcare systems running smoothly. Its income flows from acting as a trusted partner to manufacturers, ensuring these critical parts are always available when needed. Their momentum hinges on continuing to grow by acquiring smaller, similar businesses to widen their reach.

VQGMI
Factor profile

On our factor screen it looks strongest on momentum and growth, and weakest on value.

Value: How cheap the stock looks versus profits, sales and assets (higher = cheaper). 5Quality: How profitable and financially healthy the company is (higher = stronger). 63Growth: How fast revenue and earnings are growing (higher = faster). 65Momentum: How the share price has been trending recently (higher = stronger recent run). 77Income: The dividend income on offer and how sustainable it looks (higher = more/steadier). 44
Quick checks
What's strong
  • Momentum screens high (77/100)
  • Strong profit margins suggest a high-quality business model.
  • Consistent history of growing through smart acquisitions.
  • Operates in essential, niche markets with steady demand.
What to watch
  • Value screens low (5/100)
  • Economic slowdowns could reduce demand for industrial components.
  • Integration challenges when merging new companies into the group.
  • Reliance on global supply chains which can be unpredictable.

What do Diploma PLC's numbers mean?

P/E
47.9
This shows how much investors are currently paying for every pound of the company's profit, reflecting high expectations for future growth.
Gross margin
47.5%
This indicates that for every pound of sales, nearly half remains after paying for the direct cost of the parts, showing they have strong control over their pricing.
Return on equity
19.0%
This measures how efficiently the company uses the money invested by shareholders to generate profit, with a higher number generally being a sign of a healthy business.
Revenue growth
16.8%
This tells us how much the company's total sales have increased over the last year, showing they are successfully finding more customers or selling more products.

Does Diploma PLC pay a dividend?

Yes - Diploma PLC currently pays a dividend of about 0.9% a year (the yearly payout as a share of the price). A dividend is a slice of profit handed to shareholders; the yield moves as the price moves, and a company can cut or stop it.

More in Industrials

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What are the scenarios for Diploma PLC?

An illustrative range for the year ahead, with the assumption behind each case — not a prediction or a price target.

£83£73£48today · £73▲ Bull · £79• Base · £73▼ Bear · £68in 1 yearILLUSTRATIVE · NOT A PREDICTION OR PRICE TARGET
Bull
+5% to +10%Strong demand for industrial components continues.
Base
-2% to +2%Steady performance in line with current trends.
Bear
-5% to -10%Supply chain disruptions slow down deliveries.

What are the pros and cons of Diploma PLC?

3bull points
6bear points

How many points the write-up makes each way — a balance check, not a score or verdict.

The bull case3
  • Strong profit margins suggest a high-quality business model.
  • Consistent history of growing through smart acquisitions.
  • Operates in essential, niche markets with steady demand.
The catch3
  • The current share price valuation is quite high compared to recent earnings.
  • Dividend yield is relatively low for income-focused investors.
  • Growth relies heavily on finding and buying the right companies.
Key risks3
  • Economic slowdowns could reduce demand for industrial components.
  • Integration challenges when merging new companies into the group.
  • Reliance on global supply chains which can be unpredictable.
What would flip the thesis

The write-up's own warning lights — if these start happening, the case above changes.

Confidence: medium · data: GBP · flags: none · Charts by TradingView Lightweight Charts™
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Built from public filings & market prices, checked for an education-only tone, and never a price target. How we make these →

This plain-English summary was auto-generated on 2026-08-01 from public data and checked for an education-only, no-advice tone (the figures above carry their own, usually fresher, 'as of' date). It's information, never a recommendation.

Figures as of 2026-08-01. Prices may be delayed and numbers can go stale - always double-check before acting.