Japan · Procurement Portal award records · Supplier record

Kowa Building Maintenance Co., Ltd., Tokyo, Corporate Number 2011701013403

株式会社興和ビルメンテ

Line: Cleaning and janitorial services (UNSPSC 76110000)Register loaded to September 2026Compiled 12 October 2026

Kowa Building Maintenance Co., Ltd., Tokyo, Corporate Number 2011701013403 — Japan · Procurement Portal award records · Supplier record: 12 award notices, all years (Mar 2020 – Mar 2026); 5 since January 2024 (2 buyers); 179th rank in the line (of 649 suppliers · 0.1%); 22 buyers never served (1,978 notices in the line from them).

Assay record ASY-JP-0J7T0X80NP · Cite as: Assay Systems, “Kowa Building Maintenance Co., Ltd., Tokyo, Corporate Number 2011701013403 in the Procurement Portal register for Japan”, https://assay-systems.com/register/jp/kowa-building-maintenance-co-ltd-tokyo-corporate-number-2011701013403/

12
award notices, all years
Mar 2020 – Mar 2026
5
since January 2024
2 buyers
179th
rank in the line
of 649 suppliers · 0.1%
22
buyers never served
1,978 notices in the line from them

Own record by year

award notices, 2014 onward
1
3
2
1
3
1
1
2014201520162017201820192020202120222023202420252026

Who buys from Kowa Building Maintenance Co., Ltd., Tokyo, Corporate Number 2011701013403

since January 2024
2buyers
5notices
60%top buyer
National Tax Agency60.0%
3 notices
Ministry of Land, Infrastructure, Transport and Tourism40.0%
2 notices

The line

since January 2024
3,113award notices
24buyers
649suppliers
26.8%held by top ten

Cleaning and janitorial services (UNSPSC 76110000)

1,076
1,053
984
202420252026Jan–Sep
179thof 649 suppliers
3notices name Kowa Building Maintenance Co., Ltd., Tokyo, Corporate Number 2011701013403
0.1%share of the line
1.1%of 269 notices from National Tax Agency
120new suppliers since 2024

Buyers that buy the line and never named Kowa Building Maintenance Co., Ltd., Tokyo, Corporate Number 2011701013403

since April 2014
22buyers
1,978notices since 2024
15buyers took a new supplier
202suppliers came in that way
Ministry of Health, Labour and Welfare
356 notices
Ministry of Justice
307 notices
Ministry of Finance
304 notices
Forestry Agency
301 notices
Public Prosecutors Office
158 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
Cabinet Office
37 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
Aidi Nippon Service Co., Ltd.2 buyers
3 notices
Akiyama Shokai Co., Ltd.2 buyers
3 notices
ALSOK Facilities Co., Ltd.1 buyer
3 notices
Kowa Building Maintenance Co., Ltd., Tokyo, Corporate Number 2011701013403
3 notices

All 649 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.