[Otsuka Corporation] Achieved Highest 'A' Rating in CDP Supplier Engagement Evaluation for the First Time
Otsuka Corporation has achieved the highest 'A score' in the 2025 CDP Supplier Engagement Rating (SEA) for the first time. The recognition reflects their efforts to promote decarbonization throughout the supply chain, supported by SBT certification and a 2050 net-zero goal.
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- 📰 Published: May 25, 2026 at 20:00
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## Otsuka Corporation Achieves Highest 'A' Rating in CDP Supplier Engagement Evaluation
Otsuka Corporation (Headquarters: Chiyoda-ku, Tokyo; President and Representative Director: Yuji Otsuka), a solution provider, has achieved the highest 'A score' in the 2025 'Supplier Engagement Rating (SEA)' conducted by CDP, an international environmental information disclosure platform, and has been selected as a 'Supplier Engagement Leader' for the first time.
The CDP Supplier Engagement Rating assesses how companies address climate change issues within their supply chains, with ratings ranging from A to D-.
The company has obtained certification from the SBT initiative for its greenhouse gas (GHG) emission reduction targets, set with 2030 as the target year, and has also set a 2050 net-zero goal in its environmental policy.
Furthermore, the company has formulated a 'Sustainable Procurement Policy' to promote sustainable procurement and requests specific initiatives from its business partners through its 'Sustainable Procurement Guidelines.' Since 2022, the company has been sending questionnaires to major business partners to investigate their progress. For partners who respond, the company provides feedback reports evaluating their status on a four-level scale. Since 2024, for partners who have not calculated their GHG emissions, the company has been providing reference materials regarding the calculation of GHG emissions (Scope 1 and 2).
The company believes that these initiatives led to its selection as a 'Supplier Engagement Leader.'
Moving forward, Otsuka Corporation remains committed to promoting efforts aimed at achieving net zero throughout its supply chain.
Otsuka Corporation (Headquarters: Chiyoda-ku, Tokyo; President and Representative Director: Yuji Otsuka), a solution provider, has achieved the highest 'A score' in the 2025 'Supplier Engagement Rating (SEA)' conducted by CDP, an international environmental information disclosure platform, and has been selected as a 'Supplier Engagement Leader' for the first time.
The CDP Supplier Engagement Rating assesses how companies address climate change issues within their supply chains, with ratings ranging from A to D-.
The company has obtained certification from the SBT initiative for its greenhouse gas (GHG) emission reduction targets, set with 2030 as the target year, and has also set a 2050 net-zero goal in its environmental policy.
Furthermore, the company has formulated a 'Sustainable Procurement Policy' to promote sustainable procurement and requests specific initiatives from its business partners through its 'Sustainable Procurement Guidelines.' Since 2022, the company has been sending questionnaires to major business partners to investigate their progress. For partners who respond, the company provides feedback reports evaluating their status on a four-level scale. Since 2024, for partners who have not calculated their GHG emissions, the company has been providing reference materials regarding the calculation of GHG emissions (Scope 1 and 2).
The company believes that these initiatives led to its selection as a 'Supplier Engagement Leader.'
Moving forward, Otsuka Corporation remains committed to promoting efforts aimed at achieving net zero throughout its supply chain.
FAQ
大塚商会がCDPの評価で取得したランクは？
2025年のサプライヤーエンゲージメント評価（SEA）において、最高評価である「Aスコア」を初めて取得し、「サプライヤーエンゲージメント・リーダー」に選定されました。
大塚商会の気候変動に関する目標は？
2030年を目標年としたGHG排出量削減目標についてSBTイニシアチブの認定を取得しており、環境方針では2050年ネットゼロを掲げています。
大塚商会はサプライヤーに対してどのような環境への取り組みを行っていますか？
「サステナブル調達ガイドライン」を策定し、取引先へ取り組みを要請しています。2022年からは質問書による調査を開始し、2024年からはGHG排出量算定に関する参考資料の提供など、取引先の排出量算定支援を実施しています。
CDPとはどのような組織ですか？
2000年に英国で設立されたNGOで、投資家・企業・都市・国家・地域が環境影響を管理するためのグローバルな情報開示システムを運営しています。
今回の評価の背景にある要因は何ですか？
サプライチェーン全体での気候変動問題への取り組み（ガイドライン策定、取引先への質問とフィードバック、GHG算定支援など）が評価されたものと考えています。