How many employees work at Nippon Koei?
Nippon Koei Co., Ltd. has 5,207 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is 2.3%.
Data source: Revelio Labs Coverage: Global workforce Latest update: December 2025
About Nippon Koei
Japan's No. 1 general construction consultant. We play a part in nation-building around the world through our consulting and power engineering businesses related to the creation of social infrastructure that supports safe, secure and fulfilling daily lives. Nippon Koei is Japan's No. International Engineering Consultants. Our project managers and engineers provide strong engineering solutions for our clients by planning, designing and supervising construction of infrastructure projects in the fields of energy generation, transportation infrastructure, water resources, environment, disaster management, agriculture & rural development, urban planning & architecture, and social & economic consultancy.
As of December 2025
Nippon Koei
workforce metrics
Headcount
5.2k
Avg. Salary
$32.4k
Tenure
4.6yr
Growth Rate
2.3%
Hiring Rate
Attrition Rate
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Employee Headcount
Interactive chart of Nippon Koei annual worldwide employee count from 2023 to 2025.
- Nippon Koei total number of employees in 2025 was 5,203, a 2.3% increase from 2024.
- Nippon Koei total number of employees in 2024 was 5,085, a 2.5% increase from 2023.
- Nippon Koei total number of employees in 2023 was 4,961, a 5.1% increase from 2022.
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Employee Geographic Breakdown
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Active Job Postings
Interactive chart of Nippon Koei annual active job postings from 2023 to 2025.
- Nippon Koei active job postings in 2025 was 288, a 38.5% increase from 2024.
- Nippon Koei active job postings in 2024 was 195, a 26.7% increase from 2023.
- Nippon Koei active job postings in 2023 was 149, a 48.3% decline from 2022.
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Employee Sentiment
Sentiment Topics
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