Japan · Procurement Portal award records · Supplier record

Oaks Corporation Co., Ltd.

Name: Oaks Corporation Co., Ltd. in the Procurement Portal register for Japan
Creator: Assay Systems

株式会社オークスコーポレーション

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

Oaks Corporation Co., Ltd. — Japan · Procurement Portal award records · Supplier record: 537 award notices, all years (Jan 2015 – Apr 2026); 175 since January 2024 (11 buyers); 2nd rank in the line (of 649 suppliers · 4.3%); 12 buyers never served (227 notices in the line from them).

Assay record ASY-JP-06OBE8F00W · Cite as: Assay Systems, “Oaks Corporation Co., Ltd. in the Procurement Portal register for Japan”, https://assay-systems.com/register/jp/oaks-corporation-co-ltd/

537

award notices, all years

Jan 2015 – Apr 2026

175

since January 2024

11 buyers

2nd

rank in the line

of 649 suppliers · 4.3%

buyers never served

227 notices in the line from them

Own record by year

award notices, 2014 onward

101

2014201520162017201820192020202120222023202420252026

Who buys from Oaks Corporation Co., Ltd.

since January 2024

11buyers

175notices

21%top buyer

Ministry of Health, Labour and Welfare21.1%

37 notices

Ministry of Land, Infrastructure, Transport and Tourism18.3%

32 notices

Ministry of Finance14.9%

26 notices

Ministry of Justice12.0%

21 notices

Supreme Court of Japan10.3%

18 notices

National Tax Agency9.1%

16 notices

Forestry Agency4.6%

8 notices

Ministry of Agriculture, Forestry and Fisheries4.0%

7 notices

Ministry of Internal Affairs and Communications2.9%

5 notices

Japan Coast Guard1.7%

3 notices

Public Prosecutors Office1.1%

2 notices

1 buyer named Oaks Corporation Co., Ltd. before 2024 only.

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

2ndof 649 suppliers

134notices name Oaks Corporation Co., Ltd.

4.3%share of the line

2.9%of 866 notices from Ministry of Land, Infrastructure, Transport and Tourism

8.4%of 356 notices from Ministry of Health, Labour and Welfare

4.6%of 307 notices from Ministry of Justice

5.3%of 304 notices from Ministry of Finance

120new suppliers since 2024

Buyers that buy the line and never named Oaks Corporation Co., Ltd.

since April 2014

12buyers

227notices since 2024

6buyers took a new supplier

46suppliers came in that way

Ministry of Defense

57 notices

Cabinet Office

37 notices

Japan Meteorological Agency

35 notices

House of Representatives

23 notices

National Police Agency

22 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

Smile Clean Ltd.12 buyers

167 notices

Oaks Corporation Co., Ltd.

134 notices

Esushi Support Co., Ltd.10 buyers

123 notices

Sogo Building Maintenance Ltd.13 buyers

104 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.