How to win: Climate Ambition Support Alliance Phase 3 (CASA3)

About this contract

CASA3 is a strategic International Climate Finance (ICF) programme that strengthens the capacity and capability of climate-vulnerable developing countries to participate effectively in international climate negotiations. The programme contributes directly to UK Government priorities by supporting ambitious, inclusive and rules-based international climate negotiations, enabling developing country partners to engage as progressive voices within the United Nations Framework Convention on Climate Change (UNFCCC) and associated multilateral forums.

How to win contracts like this

• ✓Answer against the marking scheme, not the question text — Department for Energy Security & Net Zero scores each response, so map your evidence to the published criteria and weightings.
• ✓At £8,400,000, expect quality and social value to carry a large share of the score — price alone rarely wins services work.
• ✓Show recent, comparable delivery: name similar services contracts you've delivered for public bodies, with measurable outcomes.
• ✓Start early: it closes 6 October 2026 and a strong bid takes iteration.

BidWriter drafts your responses from your company profile, scores them against the marking scheme, and tracks your whole pipeline. Free to start — no card needed.

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