Japan · Procurement Portal award records · Supplier record
Rosuku Co., Ltd.
株式会社ロスク
Line: Cleaning and janitorial services (UNSPSC 76110000) Register loaded to September 2026 Compiled 12 October 2026
Rosuku Co., Ltd. — Japan · Procurement Portal award records · Supplier record: 14 award notices, all years (Sep 2024 – Sep 2026); 14 since January 2024 (5 buyers); 36th rank in the line (of 649 suppliers · 0.4%); 19 buyers never served (1,125 notices in the line from them).
Assay record ASY-JP-1E6D3XX140 · Cite as: Assay Systems, “Rosuku Co., Ltd. in the Procurement Portal register for Japan”, https://assay-systems.com/register/jp/rosuku-co-ltd/
Own record The line Buyers Suppliers 14
award notices, all years
Sep 2024 – Sep 2026
14
since January 2024
5 buyers
36th
rank in the line
of 649 suppliers · 0.4%
19
buyers never served
1,125 notices in the line from them
Own record by year award notices, 2014 onward 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026
Who buys from Rosuku Co., Ltd. since January 2024 5 buyers
14 notices
36% top buyer
Ministry of Justice35.7%
5 notices
Ministry of Land, Infrastructure, Transport and Tourism35.7%
5 notices
Forestry Agency14.3%
2 notices
Ministry of Health, Labour and Welfare7.1%
1 notice
Public Prosecutors Office7.1%
1 notice
The line since January 2024 3,113 award notices
24 buyers
649 suppliers
26.8% held by top ten
Cleaning and janitorial services (UNSPSC 76110000)
36th of 649 suppliers
13 notices name Rosuku Co., Ltd.
0.4% share of the line
0.6% of 866 notices from Ministry of Land, Infrastructure, Transport and Tourism
1.6% of 307 notices from Ministry of Justice
0.7% of 301 notices from Forestry Agency
0.6% of 158 notices from Public Prosecutors Office
120 new suppliers since 2024
Buyers that buy the line and never named Rosuku Co., Ltd. since April 2014 19 buyers
1,125 notices since 2024
12 buyers took a new supplier
144 suppliers came in that way
Ministry of Finance
304 notices
National Tax Agency
269 notices
Supreme Court of Japan
124 notices
Ministry of Agriculture, Forestry and Fisheries
88 notices
Ministry of Defense
57 notices
Japan Coast Guard
56 notices
Ministry of the Environment
36 notices
Japan Meteorological Agency
35 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 Enuiti Co., Ltd., Okayama6 buyers
13 notices
Shinto Biso Co., Ltd.3 buyers
13 notices
Shoki Co., Ltd.4 buyers
13 notices
Rosuku Co., Ltd.
13 notices
All 649 suppliers in the line
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.