Japan · Procurement Portal award records · Supplier record

Seio Security Co., Ltd.

株式会社セイオーセキュリティ

Line: Security and personal safety (UNSPSC 92120000)Register loaded to September 2026Compiled 12 October 2026

Seio Security Co., Ltd. — Japan · Procurement Portal award records · Supplier record: 9 award notices, all years (May 2022 – Jul 2026); 6 since January 2024 (2 buyers); 70th rank in the line (of 382 suppliers · 0.3%); 24 buyers never served (1,695 notices in the line from them).

Assay record ASY-JP-0ML57UN0TC · Cite as: Assay Systems, “Seio Security Co., Ltd. in the Procurement Portal register for Japan”, https://assay-systems.com/register/jp/seio-security-co-ltd/

9
award notices, all years
May 2022 – Jul 2026
6
since January 2024
2 buyers
70th
rank in the line
of 382 suppliers · 0.3%
24
buyers never served
1,695 notices in the line from them

Own record by year

award notices, 2014 onward
2
1
1
2
3
2014201520162017201820192020202120222023202420252026

Who buys from Seio Security Co., Ltd.

since January 2024
2buyers
6notices
50%top buyer
Ministry of Defense50.0%
3 notices
Ministry of Finance50.0%
3 notices

The line

since January 2024
1,953award notices
26buyers
382suppliers
29.9%held by top ten

Security and personal safety (UNSPSC 92120000)

676
694
583
202420252026Jan–Sep
70thof 382 suppliers
6notices name Seio Security Co., Ltd.
0.3%share of the line
1.6%of 192 notices from Ministry of Finance
4.5%of 66 notices from Ministry of Defense
47new suppliers since 2024

Buyers that buy the line and never named Seio Security Co., Ltd.

since April 2014
24buyers
1,695notices since 2024
20buyers took a new supplier
131suppliers came in that way
Ministry of Land, Infrastructure, Transport and Tourism
403 notices
Ministry of Justice
323 notices
National Tax Agency
273 notices
Ministry of Health, Labour and Welfare
232 notices
Public Prosecutors Office
168 notices
Supreme Court of Japan
85 notices
Japan Coast Guard
41 notices
Forestry Agency
33 notices
Ministry of Agriculture, Forestry and Fisheries
27 notices
Cabinet Office
25 notices
Japan Meteorological Agency
23 notices
Ministry of Education, Culture, Sports, Science and Technology
12 notices
Ministry of Internal Affairs and Communications
10 notices
National Police Agency
10 notices
Cabinet Secretariat
6 notices
Ministry of Economy, Trade and Industry
4 notices
Ministry of the Environment
4 notices
Central Labour Relations Commission
3 notices
Digital Agency
3 notices
House of Representatives
3 notices
Ministry of Foreign Affairs
3 notices
National Personnel Authority
2 notices
Children and Families Agency
1 notice
Japan Patent Office
1 notice

Suppliers next to it in the line

since January 2024
Akatsuki Sefuti Co., Ltd.2 buyers
6 notices
ALSOK Hokuriku Co., Ltd.3 buyers
6 notices
Chuo Sogo Keibi Hosho Co., Ltd.4 buyers
6 notices
Seio Security Co., Ltd.
6 notices

All 382 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.