Japan · Procurement Portal award records · Supplier record
Kosai Do Next Co., Ltd.
株式会社広済堂ネクスト
Line: Public relations and professional communications services (UNSPSC 80170000) Register loaded to September 2026 Compiled 12 October 2026
Kosai Do Next Co., Ltd. — Japan · Procurement Portal award records · Supplier record: 19 award notices, all years (Oct 2022 – Mar 2026); 12 since January 2024 (4 buyers); 76th rank in the line (of 520 suppliers · 0.2%); 24 buyers never served (636 notices in the line from them).
Assay record ASY-JP-0I68YH70T7 · Cite as: Assay Systems, “Kosai Do Next Co., Ltd. in the Procurement Portal register for Japan”, https://assay-systems.com/register/jp/kosai-do-next-co-ltd/
Own record The line Buyers Suppliers 19
award notices, all years
Oct 2022 – Mar 2026
12
since January 2024
4 buyers
76th
rank in the line
of 520 suppliers · 0.2%
24
buyers never served
636 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 Kosai Do Next Co., Ltd. since January 2024 4 buyers
12 notices
67% top buyer
Ministry of Health, Labour and Welfare66.7%
8 notices
Children and Families Agency16.7%
2 notices
Ministry of Internal Affairs and Communications8.3%
1 notice
Ministry of Economy, Trade and Industry8.3%
1 notice
2 buyers named Kosai Do Next Co., Ltd. before 2024 only.
The line since January 2024 1,259 award notices
30 buyers
520 suppliers
15.0% held by top ten
Public relations and professional communications services (UNSPSC 80170000)
76th of 520 suppliers
3 notices name Kosai Do Next Co., Ltd.
0.2% share of the line
0.4% of 285 notices from Ministry of Health, Labour and Welfare
0.6% of 180 notices from Ministry of Economy, Trade and Industry
1.6% of 64 notices from Ministry of Internal Affairs and Communications
126 new suppliers since 2024
Buyers that buy the line and never named Kosai Do Next Co., Ltd. since April 2014 24 buyers
636 notices since 2024
21 buyers took a new supplier
116 suppliers came in that way
Ministry of Land, Infrastructure, Transport and Tourism
200 notices
Cabinet Office
122 notices
Cabinet Secretariat
43 notices
National Tax Agency
33 notices
Ministry of Defense
32 notices
Ministry of Justice
30 notices
National Police Agency
27 notices
Ministry of Agriculture, Forestry and Fisheries
20 notices
Ministry of Foreign Affairs
20 notices
Personal Information Protection Commission
20 notices
Consumer Affairs Agency
18 notices
Japan Patent Office
11 notices
Ministry of Finance
11 notices
Ministry of Education, Culture, Sports, Science and Technology
10 notices
Financial Services Agency
8 notices
Fire and Disaster Management Agency
7 notices
Imperial Household Agency
4 notices
Nuclear Regulation Authority
4 notices
Supreme Court of Japan
4 notices
Japan Meteorological Agency
3 notices
Japan Coast Guard
2 notices
National Personnel Authority
2 notices
Japan Fair Trade Commission
1 notice
Suppliers next to it in the line since January 2024 Accenture Co., Ltd.2 buyers
3 notices
Ado Japan Co., Ltd.1 buyer
3 notices
Ankh Beru Japan Co., Ltd.1 buyer
3 notices
Kosai Do Next Co., Ltd.
3 notices
All 520 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.