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Marampa Mines Limited, based in Sierra Leone, is a prominent player in the nickel ores and concentrates industry. As a key mining company, it specialises in the extraction and processing of high-quality nickel products, serving global markets with a focus on sustainable and responsible mining practices. Since its establishment, Marampa Mines has achieved significant milestones, positioning itself as a leading supplier within the nickel sector.
Headquartered in Sierra Leone, the company operates primarily within the West African region, leveraging local resources to meet international demand. Its core offerings include nickel concentrates that are recognised for their purity and consistency, making them highly sought after in the global commodities market. With a strong market presence and a commitment to operational excellence, Marampa Mines Limited continues to advance its reputation as a reliable source of nickel ores and concentrates.
+2 vs industry average
Marampa Mines Limited’s score of 13 is higher than 54% of the industry. This can give you a sense of how well the company is doing compared to its peers.
Nickel Mining is among the most carbon-intensive industries
The Nickel Mining industry has reduced its overall emissions by 45% since 2018
Scope 3 accounts for ••• of total emissions.
Marampa Mines Limited, headquartered in SL and operating in the Nickel ores and concentrates industry, reported total emissions of approximately 4.24 billion kg CO2e in 2024. This included Scope 1 emissions of approximately 95.1 million kg CO2e and Scope 3 emissions of around 4.1 billion kg CO2e. In 2023, the company's total emissions were approximately 5.34 billion kg CO2e, with Scope 1 emissions of around 60.7 million kg CO2e and Scope 3 emissions of roughly 5.28 billion kg CO2e. For 2022, total emissions stood at approximately 3.33 billion kg CO2e, comprising Scope 1 emissions of about 53.4 million kg CO2e and Scope 3 emissions of approximately 3.27 billion kg CO2e.
Marampa Mines Limited has set several ambitious climate commitments. The company aims for a 58% physical intensity (tCO2e/tIO) reduction target for Scope 1 emissions by 2030, using a 2023 baseline, as reported in their 2024 Sustainability Report. Furthermore, a long-term goal for Scope 1 emissions is a 97% physical intensity (tCO2e/tIO) reduction by 2050, also from a 2023 baseline.
Earlier commitments from their 2022 and 2023 Sustainability Reports included a 44% physical intensity reduction target for Scope 1 emissions (tIO/tCO2e) by 2030, with a 2021 baseline. Marampa Mines Limited also committed to an absolute reduction of 63% in Scope 1 emissions by 2050, against a 2021 baseline. A long-term physical intensity target for Scope 1 emissions of 79% (tIO/tCO2e) by 2050 was also stated. The company is actively pursuing renewable energy solutions, expecting to sign a contract by the end of 2024 to deploy solar PV generation at its mine site, with plans for modular expansion to continuously improve the ratio of renewable to fossil fuel-generated energy.
2025
Near-zero scope 1 & 2
Target to achieve near-zero emissions for direct operations and purchased energy
2030
62% reduction in total GHG
Vs 2019 baseline. Validated by SBTi. Includes full supply chain.
2040
50% reduction in Scope 3 intensity
Across purchased goods and services and logistics.
Showing SBTi-validated targets only. Sign up or sign in to see all disclosed climate targets.
No scope 3 category breakdown has been disclosed yet.


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