How many employees work at Sumitomo Metal Mining?
Sumitomo Metal Mining Co. Ltd. has 1,487 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is -1.7%.
Data source: Revelio Labs Coverage: Global workforce Latest update: September 2025
About Sumitomo Metal Mining
Sumitomo's involvement with copper mining spans over 420 years. During that time, the business has faced several major challenges due to changes in external conditions. In each case, management responded to the changes with skill and tenacity to forge a new business with a revised strategy and organization. The enterprise's sustained growth has made a significant and wide-ranging contribution to the development of Japanese society. Today, as the direct successor of Sumitomo’s original business, SMM once again draws inspiration from this illustrious history to move forward based on the Sumitomo Business Spirit.
As of September 2025
Sumitomo Metal Mining
workforce metrics
Headcount
1.5k
Avg. Salary
$26.6k
Tenure
5.5yr
Growth Rate
-1.7%
Hiring Rate
Attrition Rate
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Employee Headcount
Interactive chart of Sumitomo Metal Mining annual worldwide employee count from 2023 to 2025.
- Sumitomo Metal Mining total number of employees in 2025 was 1,502.817, a 1.7% decline from 2024.
- Sumitomo Metal Mining total number of employees in 2024 was 1,496.312, a 0.2% decline from 2023.
- Sumitomo Metal Mining total number of employees in 2023 was 1,516.348, a 2.4% decline from 2022.
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Employee Geographic Breakdown
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Active Job Postings
Interactive chart of Sumitomo Metal Mining annual active job postings from 2023 to 2025.
- Sumitomo Metal Mining active job postings in 2025 was 176, a 43.2% decline from 2024.
- Sumitomo Metal Mining active job postings in 2024 was 241, a 29.1% decline from 2023.
- Sumitomo Metal Mining active job postings in 2023 was 323, a 44.2% increase from 2022.
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Employee Sentiment
Sentiment Topics
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