Japan · Procurement Portal award records · Supplier record

Clean Kobo Co., Ltd.

株式会社クリーン工房

Line: Cleaning and janitorial services (UNSPSC 76110000)Register loaded to September 2026Compiled 12 October 2026

Clean Kobo Co., Ltd. — Japan · Procurement Portal award records · Supplier record: 79 award notices, all years (Jun 2015 – Mar 2026); 36 since January 2024 (7 buyers); 30th rank in the line (of 649 suppliers · 0.5%); 15 buyers never served (637 notices in the line from them).

Assay record ASY-JP-1X80HCN1J8 · Cite as: Assay Systems, “Clean Kobo Co., Ltd. in the Procurement Portal register for Japan”, https://assay-systems.com/register/jp/clean-kobo-co-ltd/

79
award notices, all years
Jun 2015 – Mar 2026
36
since January 2024
7 buyers
30th
rank in the line
of 649 suppliers · 0.5%
15
buyers never served
637 notices in the line from them

Own record by year

award notices, 2014 onward
1
2
2
5
8
4
1
8
12
12
15
9
2014201520162017201820192020202120222023202420252026

Who buys from Clean Kobo Co., Ltd.

since January 2024
7buyers
36notices
28%top buyer
National Tax Agency27.8%
10 notices
Public Prosecutors Office16.7%
6 notices
Supreme Court of Japan13.9%
5 notices
Ministry of Justice13.9%
5 notices
Ministry of Finance11.1%
4 notices
Ministry of Defense8.3%
3 notices
Ministry of Health, Labour and Welfare8.3%
3 notices

2 buyers named Clean Kobo Co., Ltd. before 2024 only.

The line

since January 2024
3,113award notices
24buyers
649suppliers
26.8%held by top ten

Cleaning and janitorial services (UNSPSC 76110000)

1,076
1,053
984
202420252026Jan–Sep
30thof 649 suppliers
15notices name Clean Kobo Co., Ltd.
0.5%share of the line
0.3%of 356 notices from Ministry of Health, Labour and Welfare
0.7%of 307 notices from Ministry of Justice
1.3%of 304 notices from Ministry of Finance
2.5%of 158 notices from Public Prosecutors Office
120new suppliers since 2024

Buyers that buy the line and never named Clean Kobo Co., Ltd.

since April 2014
15buyers
637notices since 2024
8buyers took a new supplier
60suppliers came in that way
Forestry Agency
301 notices
Ministry of Agriculture, Forestry and Fisheries
88 notices
Japan Coast Guard
56 notices
Cabinet Office
37 notices
Ministry of the Environment
36 notices
House of Representatives
23 notices
National Police Agency
22 notices
Ministry of Internal Affairs and Communications
21 notices
Imperial Household Agency
20 notices
Cabinet Secretariat
10 notices
Ministry of Education, Culture, Sports, Science and Technology
9 notices
Ministry of Economy, Trade and Industry
8 notices
Central Labour Relations Commission
3 notices
National Personnel Authority
2 notices
House of Councillors
1 notice

Suppliers next to it in the line

since January 2024
Eiwa Co., Ltd., Osaka1 buyer
15 notices
J.S.B. Co., Ltd.3 buyers
15 notices
Takeda Shoji Co., Ltd.4 buyers
15 notices
Clean Kobo Co., Ltd.
15 notices

All 649 suppliers in the line

The extract

Every buyer, every supplier, award date, notice number and value where one is disclosed, behind the figures above.

Request extract

Source: successful bid records (open data) for Japan in the Procurement Portal of the Government of Japan, Digital Agency, p-portal.go.jp, which permits reuse including commercial use under its terms of use; awards from April 2014 to 30 September 2026, accessed 12 October 2026.Assay Systems has changed the data.