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株式会社セイワ
1992-03-01
Japan
ビルメンテナンス
清掃業務
設備管理業務
防除業務
高所作業
飲料水管理
警備業
〒192-0032 東京都八王子市石川町708-10
10,000,000 JPY
85 people
Company name
Group Parent Subsidiary Customer Supplier Alliance Bank Shareholder
サンエス警備保障株式会社
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
東京外装メンテナンス協同組合
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
FC
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Customer
INAX
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Customer
LIFA
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Customer
LIXIL
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Customer
イオンディライト株式会社
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Customer
オリンパス株式会社
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Customer
丸紅リアルエステートマネジメント株式会社
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Customer
京王設備サービス株式会社
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Customer
多摩都市モノレール株式会社
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Customer
大和ライフネクスト株式会社
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Customer
大経ビル管理
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Customer
東日本環境アクセス株式会社
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Customer
株式会社福泉舎
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Customer
蛇の目ミシン工業株式会社
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Customer
シーリングプロ社
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Supplier

19 entries
DateDescription
1978-04 日野市日野本町4-18-19にて誠和クリーンサービスとして営業開始
1982-10 有限会社　誠和クリーンサービス設立
1982-10 本社　東京都日野市新町5-27-8
1985-09 ハウスクリーニング、営繕事業部営業開始
1985-11 本社　東京都日野市日野台2-14-3に移転
1987-08 八王子市石川町708-10に自社社屋完成　事業本部設置
1987-08 社名を 有限会社 セイワ に変更
1990-02 本社　東京都日野市日野台4-18-12に移転
1992-03 資本金700万円増資
1992-03 資本金1000万円に同時に株式会社に組織変更
1995-06 本社　八王子市石川町自社社屋に移転
2003-08 ISO 9000シリーズ認証取得
2003-08 INAXとFC契約 LIFA八王子石川店開設
2003-08 後にLIXILに契約移行
2009-08 東京都より建設業登録認可
2009-08 アメリカのシーリングプロ社と日本初の代理店契約締結　天井清掃事業開始
2010-09 渋谷区幡ヶ谷に東京支店開設
2016-04 多摩都市モノレール㈱より10駅清掃管理業務受諾
2017-04 オリンパス㈱３事業所を再受託契約
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2026-09-21 18:11 (Model: ggml-org/gpt-oss-20b )
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