Japan · Procurement Portal award records · Supplier record

Nippon Convention Service Co., Ltd.

日本コンベンションサービス株式会社

Line: Writing and translations (UNSPSC 82110000)Register loaded to September 2026Compiled 12 October 2026

Nippon Convention Service Co., Ltd. — Japan · Procurement Portal award records · Supplier record: 49 award notices, all years (Mar 2015 – Sep 2026); 17 since January 2024 (8 buyers); 37th rank in the line (of 103 suppliers · 0.7%); 16 buyers never served (137 notices in the line from them).

Assay record ASY-JP-07IFBFM0RH · Cite as: Assay Systems, “Nippon Convention Service Co., Ltd. in the Procurement Portal register for Japan”, https://assay-systems.com/register/jp/nippon-convention-service-co-ltd/

49
award notices, all years
Mar 2015 – Sep 2026
17
since January 2024
8 buyers
37th
rank in the line
of 103 suppliers · 0.7%
16
buyers never served
137 notices in the line from them

Own record by year

award notices, 2014 onward
2
5
4
6
4
2
4
3
2
6
5
6
2014201520162017201820192020202120222023202420252026

Who buys from Nippon Convention Service Co., Ltd.

since January 2024
8buyers
17notices
35%top buyer
Ministry of Economy, Trade and Industry35.3%
6 notices
Ministry of Health, Labour and Welfare17.6%
3 notices
Personal Information Protection Commission11.8%
2 notices
Ministry of Education, Culture, Sports, Science and Technology11.8%
2 notices
Ministry of Land, Infrastructure, Transport and Tourism5.9%
1 notice
Ministry of the Environment5.9%
1 notice
Fire and Disaster Management Agency5.9%
1 notice
Ministry of Finance5.9%
1 notice

6 buyers named Nippon Convention Service Co., Ltd. before 2024 only.

The line

since January 2024
306award notices
27buyers
103suppliers
43.8%held by top ten

Writing and translations (UNSPSC 82110000)

115
113
78
202420252026Jan–Sep
37thof 103 suppliers
2notices name Nippon Convention Service Co., Ltd.
0.7%share of the line
28.6%of 7 notices from Ministry of Education, Culture, Sports, Science and Technology
18new suppliers since 2024

Buyers that buy the line and never named Nippon Convention Service Co., Ltd.

since April 2014
16buyers
137notices since 2024
10buyers took a new supplier
20suppliers came in that way
Ministry of Justice
54 notices
Ministry of Internal Affairs and Communications
15 notices
Japan Patent Office
13 notices
Japan Tourism Agency
12 notices
Cabinet Secretariat
11 notices
Ministry of Agriculture, Forestry and Fisheries
10 notices
Board of Audit of Japan
4 notices
Nuclear Regulation Authority
4 notices
Digital Agency
3 notices
Japan Fair Trade Commission
3 notices
Casino Regulatory Commission
2 notices
Supreme Court of Japan
2 notices
House of Representatives
1 notice
Japan Coast Guard
1 notice
Japan Meteorological Agency
1 notice
Reconstruction Agency
1 notice

Suppliers next to it in the line

since January 2024
Aiesuesu Co., Ltd., Tokyo, Corporate Number 20100010093101 buyer
2 notices
Cyber- Defense Kenkyusho Co., Ltd.1 buyer
2 notices
HONYAKU CORPORATION2 buyers
2 notices
Nippon Convention Service Co., Ltd.
2 notices

All 103 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.