Diploma PLC

Common Name
Diploma
Country
United Kingdom
Sector
Industrials
Industry
Industrial Distribution
Employees
3,300
Ticker
DPLM
Exchange
LONDON STOCK EXCHANGE
Description
Diploma PLC is a multinational distributor specializing in value-added, technical products and services. Operating since 1931 and headquartered in London, Diploma PLC manages a decentralized group of ...

Diploma's GHG Emissions Data Preview

In 2024, Diploma completed a corporate carbon footprint assessment and publicly disclosed its greenhouse gas (GHG) emissions according to the GHG Protocol, covering Scope 1 (direct emissions from owned or controlled sources) and Scope 2 (indirect emissions from purchased energy).

However, Diploma has not published a category-level breakdown of its Scope 3 emissions, limiting visibility into specific value chain sources.

Metric (tCO2e)2024202320222021 - 2017
Total Scope 1
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a
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b
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b
0000000
Total Scope 2
Market-Based
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a
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b
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b
0000000
Location-Based
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a
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b
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b
0000000
Total Scope 3
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a
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a
0000000
Total Scope 1 Revenue Intensity (tCO2e/$M)
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a
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b
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b
0000000
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Verified Sources Behind Diploma’s Greenhouse Gas (GHG) Emissions Data

Every figure on this dashboard has a transparent audit trail. With Tracenable, each data point is traceable back to its original source, viewable directly inside our platform. Explore Diploma’s data sources below and access millions more through our Disclosure Search.

a. Diploma's Annual Report 2024
a. Diploma's Annual Report 2024
b. Diploma's Annual Report 2023
b. Diploma's Annual Report 2023
c. Diploma's Sustainability Report 2022
c. Diploma's Sustainability Report 2022

Insights into Diploma's Operational Emissions

In 2024, the total operational greenhouse gas (GHG) emissions of Diploma amounted to 9,544 metric tons of CO2 equivalent. This figure includes both direct emissions from owned or controlled sources (Scope 1) and indirect emissions from purchased energy (Scope 2). a

Compared to 2023, the total operational greenhouse gas (GHG) emissions of Diploma increased by 10.18%, suggesting that the company faced challenges in reducing its emissions from its core operations. a b

Diploma's Scope 1 Emissions Over Time

2020202120222023202401 k2 k3 k4 ktCO2e+230%+14%+19%+12%
  • Total Scope 1
  • Year-over-Year Change

What are Diploma's Scope 1 emissions?

In 2024, the total Scope 1 emissions of Diploma were 3,881 metric tons of CO₂ equivalent (tCO₂e). a

Has Diploma reduced its Scope 1 emissions over time?

Since 2020, Diploma's Scope 1 emissions have increased by 402.07%, reflecting a rising long-term trend in Scope 1 emissions over time. a c

Compared to the previous year (2023), Diploma's Scope 1 emissions increased by 11.81%, suggesting that the company faced challenges in reducing emissions from its directly owned or controlled operations. a b

What are Diploma's Scope 2 emissions?

In 2024, Diploma reported Scope 2 greenhouse gas (GHG) emissions of 3,864 tCO₂e using the market-based method and 5,663 tCO₂e using the location-based method. a

Has Diploma reduced its Scope 2 emissions over time?

Since 2020, Diploma's Scope 2 greenhouse gas (GHG) emissions ( Location-Based) have increased by 59.16%, reflecting a rising long-term trend in Scope 2 emissions over time. a c

Compared to the previous year (2023), Diploma's Scope 2 emissions (Location-Based) have remained relatively stable, indicating that Diploma 's emissions have plateaued with no significant change in its energy consumption footprint. a b

What methodology does Diploma use for Scope 2 reporting?

In 2024, Diploma reported its Scope 2 emissions using the market-based method and using the location-based method. a

Diploma's Scope 2 Emissions Over Time

2020202120222023202402 k4 k6 k8 ktCO2e
  • Total Scope 2 Location-Based
  • Total Scope 2 Market-Based

Insights into Diploma’s GHG Emissions Intensity Compared to Industry Peers

In 2024, Diploma reported Scope 1 greenhouse gas (GHG) emissions of 3,881 tCO₂e and total revenues of USD 1,825 millions. This translates into an emissions intensity of 2.13 tCO₂e per millions USD. a

Diploma's Scope 1 Emissions Intensity Compared to Peers

202002,00020,000500,000Scope 1 Emissions (tCO2e)502001,0005,00010,000Revenues (Millions of USD)LFVKSClarksonYear: 2023Scope 1: 1,014 tCO2eRevenue: $M 814Scope 1 Intensity: 1.25 tCO2e/$MLLLords Group TradingYear: 2024Scope 1: 5,104 tCO2eRevenue: $M 548Scope 1 Intensity: 9.31 tCO2e/$MCostain GroupYear: 2024Scope 1: 4,772 tCO2eRevenue: $M 1,570Scope 1 Intensity: 3.04 tCO2e/$MGenuit GroupYear: 2024Scope 1: 13,063 tCO2eRevenue: $M 704Scope 1 Intensity: 18.55 tCO2e/$MTravis PerkinsYear: 2023Scope 1: 51,826 tCO2eRevenue: $M 6,160Scope 1 Intensity: 8.41 tCO2e/$MFFFlowtech FluidpowerYear: 2024Scope 1: 615 tCO2eRevenue: $M 135Scope 1 Intensity: 4.57 tCO2e/$MMorgan Advanced MaterialsYear: 2024Scope 1: 111,011 tCO2eRevenue: $M 1,381Scope 1 Intensity: 80.37 tCO2e/$MVVVolexYear: 2025Scope 1: 2,012 tCO2eRevenue: $M 826Scope 1 Intensity: 2.43 tCO2e/$MWeir GroupYear: 2024Scope 1: 64,880 tCO2eRevenue: $M 3,144Scope 1 Intensity: 20.63 tCO2e/$MDialightYear: 2022Scope 1: 1,663 tCO2eRevenue: $M 210Scope 1 Intensity: 7.93 tCO2e/$MRotorkYear: 2024Scope 1: 3,533 tCO2eRevenue: $M 947Scope 1 Intensity: 3.73 tCO2e/$MSeniorYear: 2024Scope 1: 7,945 tCO2eRevenue: $M 1,226Scope 1 Intensity: 6.48 tCO2e/$MKier GroupYear: 2024Scope 1: 28,853 tCO2eRevenue: $M 4,938Scope 1 Intensity: 5.84 tCO2e/$MRS GroupYear: 2025Scope 1: 5,734 tCO2eRevenue: $M 3,757Scope 1 Intensity: 1.53 tCO2e/$MQinetiQ GroupYear: 2025Scope 1: 19,662 tCO2eRevenue: $M 2,499Scope 1 Intensity: 7.87 tCO2e/$MHill & SmithYear: 2023Scope 1: 36,664 tCO2eRevenue: $M 1,057Scope 1 Intensity: 34.70 tCO2e/$MGattacaYear: 2024Scope 1: 38 tCO2eRevenue: $M 500Scope 1 Intensity: 0.08 tCO2e/$MMorgan Sindall GroupYear: 2023Scope 1: 8,733 tCO2eRevenue: $M 5,243Scope 1 Intensity: 1.67 tCO2e/$MKKKnights Group HoldingsYear: 2024Scope 1: 76 tCO2eRevenue: $M 188Scope 1 Intensity: 0.40 tCO2e/$MFW ThorpeYear: 2024Scope 1: 1,574 tCO2eRevenue: $M 222Scope 1 Intensity: 7.08 tCO2e/$MHalmaYear: 2025Scope 1: 4,128 tCO2eRevenue: $M 2,909Scope 1 Intensity: 1.42 tCO2e/$MVPYear: 2025Scope 1: 14,641 tCO2eRevenue: $M 492Scope 1 Intensity: 29.78 tCO2e/$MMelrose IndustriesYear: 2024Scope 1: 21,245 tCO2eRevenue: $M 4,352Scope 1 Intensity: 4.88 tCO2e/$MIntertek GroupYear: 2024Scope 1: 57,986 tCO2eRevenue: $M 4,258Scope 1 Intensity: 13.62 tCO2e/$MSSSpirax GroupYear: 2024Scope 1: 17,405 tCO2eRevenue: $M 2,090Scope 1 Intensity: 8.33 tCO2e/$MDiplomaYear: 2024Scope 1: 3,881 tCO2eRevenue: $M 1,825Scope 1 Intensity: 2.13 tCO2e/$M

How does Diploma's GHG emissions intensity compare to its peers?

In 2024, Diploma reported a Scope 1 emissions intensity of 2.13 tCO₂e per millions USD. Compared to the peer group median of 6.48 , this places the company below its industry benchmark, indicating it is more carbon-efficient than most competitors. a

Where does Diploma rank on GHG emissions intensity within its industry?

In 2024, Diploma ranked 7 out of 25 companies in its industry peer group, based on Scope 1 emissions intensity (measured in tCO₂e per millions USD). a

Diploma is therefore positioned in the mid-range of its industry, neither a clear leader nor a laggard in carbon efficiency. a

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