Japan · Procurement Portal award records · Supplier record

Kokusai Building Service Co., Ltd.

国際ビルサービス株式会社

Line: Building construction and support and maintenance and repair services (UNSPSC 72100000)Register loaded to September 2026Compiled 12 October 2026

Kokusai Building Service Co., Ltd. — Japan · Procurement Portal award records · Supplier record: 53 award notices, all years (Jan 2015 – Jun 2026); 16 since January 2024 (5 buyers); 146th rank in the line (of 3,215 suppliers · 0.1%); 32 buyers never served (4,006 notices in the line from them).

Assay record ASY-JP-1N0M3QE1BQ · Cite as: Assay Systems, “Kokusai Building Service Co., Ltd. in the Procurement Portal register for Japan”, https://assay-systems.com/register/jp/kokusai-building-service-co-ltd/

53
award notices, all years
Jan 2015 – Jun 2026
16
since January 2024
5 buyers
146th
rank in the line
of 3,215 suppliers · 0.1%
32
buyers never served
4,006 notices in the line from them

Own record by year

award notices, 2014 onward
1
1
2
1
3
5
7
6
11
6
8
2
2014201520162017201820192020202120222023202420252026

Who buys from Kokusai Building Service Co., Ltd.

since January 2024
5buyers
16notices
44%top buyer
Ministry of Finance43.8%
7 notices
Ministry of Agriculture, Forestry and Fisheries31.2%
5 notices
Japan Coast Guard12.5%
2 notices
Ministry of Defense6.2%
1 notice
Ministry of Health, Labour and Welfare6.2%
1 notice

2 buyers named Kokusai Building Service Co., Ltd. before 2024 only.

The line

since January 2024
13,083award notices
39buyers
3,215suppliers
9.0%held by top ten

Building construction and support and maintenance and repair services (UNSPSC 72100000)

4,476
4,563
4,044
202420252026Jan–Sep
146thof 3,215 suppliers
13notices name Kokusai Building Service Co., Ltd.
0.1%share of the line
0.6%of 1,127 notices from Ministry of Finance
0.3%of 736 notices from Japan Coast Guard
1.5%of 275 notices from Ministry of Agriculture, Forestry and Fisheries
693new suppliers since 2024

Buyers that buy the line and never named Kokusai Building Service Co., Ltd.

since April 2014
32buyers
4,006notices since 2024
29buyers took a new supplier
820suppliers came in that way
Ministry of Justice
1,111 notices
National Tax Agency
603 notices
Supreme Court of Japan
502 notices
Public Prosecutors Office
347 notices
Ministry of the Environment
336 notices
Japan Meteorological Agency
163 notices
Cabinet Office
147 notices
National Police Agency
146 notices
Ministry of Internal Affairs and Communications
137 notices
House of Representatives
95 notices
Forestry Agency
80 notices
House of Councillors
79 notices
Digital Agency
49 notices
Ministry of Economy, Trade and Industry
41 notices
Imperial Household Agency
37 notices
Ministry of Education, Culture, Sports, Science and Technology
31 notices
National Personnel Authority
17 notices
Fire and Disaster Management Agency
16 notices
Children and Families Agency
13 notices
Japan Patent Office
13 notices
Fisheries Agency
10 notices
Nuclear Regulation Authority
6 notices
Board of Audit of Japan
5 notices
Japan Transport Safety Board
5 notices
Central Labour Relations Commission
4 notices
Consumer Affairs Agency
4 notices
Cabinet Secretariat
3 notices
Financial Services Agency
2 notices
Cabinet Legislation Bureau
1 notice
Casino Regulatory Commission
1 notice
Japan Fair Trade Commission
1 notice
Reconstruction Agency
1 notice

Suppliers next to it in the line

since January 2024
Akira Kogyo Co., Ltd.1 buyer
13 notices
Bunsho Do Co., Ltd., Tokyo6 buyers
13 notices
Deimu Co., Ltd.1 buyer
13 notices
Kokusai Building Service Co., Ltd.
13 notices

All 3,215 suppliers in the line

The extract

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

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.