A-ONE SEIMITSU INC.

Machinery ・ 6156

Figures below come from this company's annual securities report (有価証券報告書) filed with Japan's Financial Services Agency. Filing a false statement is a criminal offence, which is what makes them worth building on.

Average annual pay
¥5.1m
filing entity, incl. bonuses
vs peers
−¥0.46m
same industry & average age
Average age
41.5 yrs
Average tenure
12.8 yrs
Employees
109
consolidated
Market cap
¥10.1bn
J-Quants, ~12-week delay
Working here from 22 to 60est. ¥187m grossindustry norm ¥200m ・ ¥145m after tax and social insurance (78%)
What is left after tax and social insurance? →How much did the 2026 changes move it? →

Corporate Number 5012401000218 (National Tax Agency)

Workforce disclosure

Japan requires listed companies to disclose these three ratios. They are useful but easy to misread — the notes matter.

ItemValue What it does not tell you
Female managers2.9%definition of 'manager' varies by company
Male parental leavecan exceed 100%; says nothing about duration
Gender pay gap (all workers)women's pay as % of men's; not equal-work comparison
Workplace score (beta)Nonedeviation vs all listed, 50 = median
Investment score (beta)Nonedeviation vs all listed, 50 = median

Pay history

From past annual securities reports. Reorganisations move this figure even when pay itself does not — the average covers the filing entity only.

Fiscal year endAverage annual pay
2023-06-30¥5.0m
2024-06-30¥4.7m
2025-06-30¥5.1m

Similar companies

Same sector, closest by average pay. A starting point for comparison — not a ranking. Pay differences here are driven as much by average age and by how much of the group sits inside the filing entity as by how well a company pays.

Company Average payAvg ageCode
YAMAZAKI CO., LTD.¥5.1m48.46147
TAKAMATSU MACHINERY CO., LTD.¥5.1m40.26155
TAKEDA MACHINERY CO., LTD.¥5.1m41.66150
Ecology and Combustion Inc.¥5.1m35.96225
株式会社ツバキ・ナカシマ¥5.2m43.06464
株式会社赤阪鐵工所¥5.2m43.26022

Limitations

Source: annual securities report (EDINET, Financial Services Agency of Japan); market data from J-Quants (JPX Market Innovation & Research), ~12-week delay. Compiled independently by Corpus; not provided or endorsed by any government agency. Full detail in Japanese: 株式会社エーワン精密.