DDaT25435 - Penetration TestingDESNZ · UK-wide£10kClosedPublished 17 Apr 2026 (17 Apr 2026)IT ServicesSustainabilitySME-friendly
DESNZ Leading Together leadership change programeDESNZ · London£12kClosedPublished 2 Apr 2026 (2 Apr 2026)EducationSME-friendly
ITT 2544 - DESNZ - Energy Technology ListDESNZ · UK-wideValue not publishedClosedPublished 5 Mar 2026 (5 Mar 2026)R&DSME-friendly
ITT UNDER FRAMEWORK RM6360 LOT 1 - ICF Legal Service 2026DESNZ · UK-wideValue not publishedClosedPublished 12 Feb 2026 (12 Feb 2026)Business ServicesSustainabilitySME-friendly
con_9278 - ARMS for HNTAS Data PilotsDESNZ · UK-wide£22kClosedPublished 11 Feb 2026 (11 Feb 2026)Engineering & ArchitectureSustainabilitySME-friendly
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ICF Legal Service 2025DESNZ · UK-wideValue not publishedClosedPublished 14 Jan 2026 (14 Jan 2026)Business ServicesSustainabilitySME-friendly
CSP25642 - Recruitment of 1x SCS2 DirectorDESNZ · UK-wide£22kClosedPublished 12 Jan 2026 (12 Jan 2026)Business ServicesSustainabilitySME-friendly
Legal ServiceDESNZ · UK-wideValue not publishedClosedPublished 8 Jan 2026 (8 Jan 2026)Business ServicesSustainabilitySME-friendly
PS25112 - The Provision of Data Analysis and Report Editing for the Counterfactual Study for Heat Network ConnectionsDESNZ · UK-wide£24kClosedPublished 5 Jan 2026 (5 Jan 2026)R&DSME-friendly
AMENDMENT TO PAS 4444:2020+A1:2021 HYDROGEN-FIRED GAS APPLIANCESDESNZ · LondonValue not publishedClosedPublished 31 Jul 2025 (31 Jul 2025)R&D
Commercial HNDU SupportDESNZ · UK-wide£20kClosedPublished 4 Feb 2025 (4 Feb 2025)EnergySustainabilitySME-friendly
HNDU Zoning Support HNDU (Heat Network Delivery Unit)DESNZ · UK-wide£20kClosedPublished 4 Feb 2025 (4 Feb 2025)EnergySME-friendly
HNDU Zoning Support HNDU (Heat Delivery Network Unit)DESNZ · UK-wide£20kClosedPublished 4 Feb 2025 (4 Feb 2025)EnergySME-friendly
Tender Notice for the Administrator of the Biomass Supplier ListDESNZ · UK-wideValue not publishedClosedPublished 30 Jan 2025 (30 Jan 2025)Financial Services
Tender Notice for the Administrator of the Biomass Supplier ListDESNZ · UK-wideValue not publishedClosedPublished 30 Jan 2025 (30 Jan 2025)Financial Services
UNFCCC Inventory Technical Expert ReviewDESNZ · UK-wide£14kClosedPublished 9 Jan 2025 (9 Jan 2025)R&DSME-friendly
Independent technical advisory and review services relating to UK Emissions Trading SchemeDESNZ · UK-wide£25kClosedPublished 27 Nov 2024 (27 Nov 2024)EnergySustainabilitySME-friendly