Japan · Procurement Portal award records · Supplier record
Senko Co., Ltd., Aichi
株式会社宣光
Line: Cleaning and janitorial services (UNSPSC 76110000) Register loaded to September 2026 Compiled 12 October 2026
Senko Co., Ltd., Aichi — Japan · Procurement Portal award records · Supplier record: 102 award notices, all years (Feb 2016 – Apr 2026); 37 since January 2024 (6 buyers); 11th rank in the line (of 649 suppliers · 1.1%); 17 buyers never served (805 notices in the line from them).
Assay record ASY-JP-1R6E0EH19J · Cite as: Assay Systems, “Senko Co., Ltd., Aichi in the Procurement Portal register for Japan”, https://assay-systems.com/register/jp/senko-co-ltd-aichi/
Own record The line Buyers Suppliers
102
award notices, all years
Feb 2016 – Apr 2026
37
since January 2024
6 buyers
11th
rank in the line
of 649 suppliers · 1.1%
17
buyers never served
805 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 Senko Co., Ltd., Aichi since January 2024 6 buyers
37 notices
46% top buyer
Ministry of Land, Infrastructure, Transport and Tourism45.9%
17 notices
National Tax Agency18.9%
7 notices
Ministry of Finance13.5%
5 notices
Ministry of Health, Labour and Welfare8.1%
3 notices
Forestry Agency8.1%
3 notices
Supreme Court of Japan5.4%
2 notices
1 buyer named Senko Co., Ltd., Aichi before 2024 only.
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)
11th of 649 suppliers
35 notices name Senko Co., Ltd., Aichi
1.1% share of the line
2.0% of 866 notices from Ministry of Land, Infrastructure, Transport and Tourism
0.8% of 356 notices from Ministry of Health, Labour and Welfare
1.0% of 304 notices from Ministry of Finance
1.0% of 301 notices from Forestry Agency
120 new suppliers since 2024
Buyers that buy the line and never named Senko Co., Ltd., Aichi since April 2014 17 buyers
805 notices since 2024
10 buyers took a new supplier
100 suppliers came in that way
Ministry of Justice
307 notices
Public Prosecutors Office
158 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 Oaks Ltd.5 buyers
38 notices
Senko Co., Ltd., Aichi
35 notices
Sgoal Co., Ltd.7 buyers
32 notices
Adamu Clean Co., Ltd.8 buyers
30 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.