Construction·Okayama·101–300 employees

Gansui Kaihatsu Co., Ltd.

Japanese name: 岩水開発株式会社 · English rendering · Corporate number 6010001220103 · 日本語

Gansui Kaihatsu Co., Ltd. (岩水開発株式会社), a construction employer in Okayama with 101–300 employees, reports in the Ministry of Health, Labour and Welfare's women's-advancement database that 5.6% of its managers are women, women's average pay is 68.9% of men's among regular employees, 100.0% of eligible fathers took childcare leave (as of February 2026).

Women's advancement and leave

Women in management
5.6%
Median, same industry and size: 4.0%
Women among new hires
36.8%
For one employment category the company defines, so not comparable with other employers.
Women's pay as % of men's, all
61.7%
Median, same industry and size: 70.0%
Women's pay as % of men's, regular
68.9%
Median, same industry and size: 71.8%
Women's pay as % of men's, non-regular
53.2%
Median, same industry and size: 63.6%
Men taking childcare leave
100.0%
For one employment category the company defines, so not comparable with other employers.

The pay figures compare women's average pay with men's, not pay for the same job. Data as of February 2026.

Working hours and retention

Average monthly overtime
23.0 hrs
Median, same industry and size: 16.0 hrs
Paid leave taken
85.0%
Median, same industry and size: 70.8%
Average tenure, men
10.0 yrs
For one employment category the company defines, so not comparable with other employers.
Average tenure, women
6.7 yrs
For one employment category the company defines, so not comparable with other employers.

Construction in Okayama

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Questions this page answers

What share of managers are women at Gansui Kaihatsu Co., Ltd.?
5.6%, as reported to MHLW's women's-advancement database (as of February 2026).
What is the gender pay gap at Gansui Kaihatsu Co., Ltd.?
Women's average pay as a percentage of men's: 61.7% across all employees, 68.9% among regular employees, 53.2% among non-regular employees. This compares average pay, not pay for the same job.
How many fathers take childcare leave at Gansui Kaihatsu Co., Ltd.?
100.0% of eligible men took childcare leave.
How much overtime do employees at Gansui Kaihatsu Co., Ltd. work, and how much paid leave do they take?
Average overtime is 23.0 hours a month (median for the same industry and size: 16.0 hours), and employees take 85.0% of their paid leave (median: 70.8%), as reported to MHLW's women's-advancement database.
How long do employees stay at Gansui Kaihatsu Co., Ltd.?
Average tenure is 10.0 years for men and 6.7 years for women.

Japan Human Capital Data 2026

Every figure for about 36,000 unlisted employers and 3,789 listed companies at once: percentile ranks within each industry and size band, women among supervisors, ten-year retention by gender, women's leave uptake, and every foreign-owned subsidiary flagged with its parent. In a members' dashboard and as Excel and CSV.

What Professional includes

Source: Ministry of Health, Labour and Welfare, women's-advancement database (open data), as of 2026-10-06; figures are self-reported by each employer and checked for plausibility by The Hardest Market. 女性の活躍推進企業データベースオープンデータ(2026年10月6日時点)を加工して作成.