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Information & communications·Osaka·1001–5000 employees

Sumisei Joho System Co., Ltd.

Japanese name: スミセイ情報システム株式会社 · English rendering · Corporate number 1120001056193 · 日本語

Sumisei Joho System Co., Ltd. (スミセイ情報システム株式会社), a information & communications employer in Osaka with 1001–5000 employees, reports in the Ministry of Health, Labour and Welfare's women's-advancement database that 12.1% of its managers are women, women's average pay is 84.0% of men's among regular employees, 128.6% of eligible fathers took childcare leave (as of March 2026).

Women's advancement and leave

Women in management
12.1%
Median, same industry and size: 10.5%
Women among officers
5.9%
Median, same industry and size: 0.0%
Women among new hires
51.6%
For one employment category the company defines, so not comparable with other employers.
Women's pay as % of men's, all
84.3%
Median, same industry and size: 78.7%
Women's pay as % of men's, regular
84.0%
Median, same industry and size: 78.5%
Women's pay as % of men's, non-regular
80.8%
Median, same industry and size: 77.9%
Men taking childcare leave
128.6%
For one employment category the company defines, so not comparable with other employers.
Eruboshi (level 3)KuruminPlatinum Kurumin

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

Working hours and retention

Average monthly overtime
17.3 hrs
Median, same industry and size: 16.3 hrs
Paid leave taken
Not published
Median, same industry and size: 80.4%
Average tenure, men
20.7 yrs
For one employment category the company defines, so not comparable with other employers.
Average tenure, women
14.4 yrs
For one employment category the company defines, so not comparable with other employers.

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Questions this page answers

What share of managers are women at Sumisei Joho System Co., Ltd.?
12.1%, as reported to MHLW's women's-advancement database (as of March 2026).
What is the gender pay gap at Sumisei Joho System Co., Ltd.?
Women's average pay as a percentage of men's: 84.3% across all employees, 84.0% among regular employees, 80.8% among non-regular employees. This compares average pay, not pay for the same job.
How many fathers take childcare leave at Sumisei Joho System Co., Ltd.?
128.6% of eligible men took childcare leave (above 100% because leave taken this year can be for children born the year before).
How much overtime do employees at Sumisei Joho System Co., Ltd. work, and how much paid leave do they take?
Average overtime is 17.3 hours a month (median for the same industry and size: 16.3 hours), as reported to MHLW's women's-advancement database.
How long do employees stay at Sumisei Joho System Co., Ltd.?
Average tenure is 20.7 years for men and 14.4 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.