株式会社クリーン工房
株式会社クリーン工房 (corporate number 4030001002410) received 56 Japanese central-government awards totaling ¥5,965,986,980 over the past 60 months. Largest buyer by award value: National Tax Agency (14 awards).
Corporate number (法人番号): 4030001002410 · Rolling 60 months (2021-10-16 – 2026-10-16)
Counts and totals are exact over this window — every matching row, not a sample.
When Hashike's monthly refresh from Japan's Procurement Portal (調達ポータル) adds a new award result for this company (corporate number 4030001002410), you get an email.
Contract method
Counts of award results with a recorded contract method in the window.
- Open bidding — lowest price52
- Open bidding — best value4
Awards by calendar year
Grouped by the calendar year of the award date. The first and last years shown cover only part of the window.
| Calendar year | Award results | Total awarded |
|---|---|---|
| 2022 | 8 | ¥433,389,200 |
| 2023 | 12 | ¥991,960,000 |
| 2024 | 12 | ¥2,261,898,800 |
| 2025 | 15 | ¥1,825,768,980 |
| 2026 | 9 | ¥452,970,000 |
By ministry or agency
| Buyer | Awards | Total awarded |
|---|---|---|
| National Tax Agency | 14 | ¥3,686,561,200 |
| Ministry of Defense | 4 | ¥733,951,000 |
| Ministry of Finance | 8 | ¥639,591,600 |
| Public Prosecutors Office | 11 | ¥291,872,000 |
| Supreme Court | 6 | ¥290,310,000 |
| Ministry of Justice | 8 | ¥289,399,980 |
| Ministry of Health, Labour and Welfare | 4 | ¥29,401,200 |
| Ministry of Land, Infrastructure, Transport and Tourism | 1 | ¥4,900,000 |
Recent awards
| Procurement | Buyer | Awarded | Value |
|---|---|---|---|
| 汽缶運転管理業務委託契約 一式 | Ministry of Health, Labour and Welfare | 2026-03-17 | ¥8,640,000 |
| 東京出入国在留管理局横浜支局における出入国在留管理庁電話交換業務 一式 | Ministry of Justice | 2026-03-17 | ¥18,600,000 |
| 東京国税局所管21施設建物設備保守点検等業務委託 | National Tax Agency | 2026-03-11 | ¥14,890,000 |
| 令和８年度立川第二法務総合庁舎清掃業務 一式 | Public Prosecutors Office | 2026-02-20 | ¥8,640,000 |
| 合同庁舎等の機械設備総合管理等業務（６コース） | National Tax Agency | 2026-02-20 | ¥31,500,000 |
| さいたま新都心合同庁舎１号館の管理・運営業務（清掃業務） | Ministry of Finance | 2026-02-18 | ¥183,000,000 |
| 司法研修所及び裁判所職員総合研修所等庁舎清掃 | Supreme Court | 2026-02-13 | ¥42,480,000 |
| 最高裁判所庁舎清掃 | Supreme Court | 2026-02-05 | ¥26,300,000 |
| 令和８年度東京地方裁判所民事執行部庁舎外１０庁の総合ビルメンテナンス契約 | Supreme Court | 2026-02-04 | ¥118,920,000 |
| 植栽整備役務 | Ministry of Defense | 2025-10-17 | ¥2,221,000 |
Company profile (gBizINFO)
- Location
- 埼玉県さいたま市中央区新都心１１番地２さいたま新都心ＬＡタワー３０Ｆ
- Founded
- 1975-01-28
- Employees
- 1,028
- Unified bidding qualification grades
- A, A
Source: gBizINFO (METI). A different source from the award records above.
Central-government award results published on Japan's Procurement Portal (調達ポータル) only. Prefectural and municipal contracts are not included, and neither is the Ministry of Defense's central equipment procurement, which ATLA (Acquisition, Technology and Logistics Agency) publishes separately. Amounts are award prices (the winning bid) in yen and are never combined with the US federal figures elsewhere on this site. Company and procurement names are shown as published, in Japanese, and are not translated.