Department for Energy Security & Net Zero

• Contracts awarded174
• Period covered1 Sept 2025 to 6 Nov 2026
• Distinct suppliers154
• Contract valuesMedian £165k across the 104 awards that state a value
• Suppliers named95 of 174 awards

What they buy

• Research & development 69 awards
• Business & professional services 55 awards
• Surveying, architecture & engineering 29 awards
• IT, software & telecoms 14 awards
• Energy, fuel & utilities 4 awards
• Financial & insurance 4 awards

Contracts awarded

• Hydrogen Technical Advisor to DESNZ (Secondary Supplier)
  22 Oct 2025 · £7.5m · ends 8 Oct 2028
  Awarded to Guidehouse Europe Limited
• PS25159 - Drafting guidance and CAF Overlay documents for implementing the CAF Enhanced Profile for the Oil and Upstream Gas (OUG) subsectors, under the Network and Information Systems (NIS) Regulations 2018
  21 Oct 2025 · £53k · ends 28 Nov 2025
  Awarded to Bridewell Consulting Limited
• PS25165 - Supporting access to the benefits of climate policy: public perspectives
  17 Oct 2025 · £230k · ends 31 Mar 2026
  Awarded to National Centre for Social Research
• Contract Variation: National Policy Statement - Appraisal of Sustainability & Habitats Regulations Assessment
  15 Oct 2025 · £254k · ends 31 Oct 2027
  Supplier not named in a form we publish
• COP30 Pavilion and associated Services
  13 Oct 2025 · terminated
  Supplier not named in a form we publish
• PS25237 - Identifying 'what works' in supplier engagement.
  10 Oct 2025 · £83k · ends 31 Mar 2026
  Awarded to Verian Group Ltd
• PS25214 Consumer experiences of energy smart appliances and interoperability: Baselining for monitoring and evaluation
  10 Oct 2025 · £267k · ends 27 Feb 2026
  Supplier not named in a form we publish
• UNFCCC Review – In-Country Review of Ecuador’s Biennial Transparency Report
  10 Oct 2025 · ends 12 Mar 2026
  Awarded to Aether Limited
• PS25160 - RAF008/2526 - Marginal Abatement Cost Curves and Business As Usual emissions for the UK and EU - 2025 Update
  9 Oct 2025 · £279k · ends 31 Mar 2026
  Supplier not named in a form we publish
• Benchmarking counterfactual set of ports - East Coast of England (and East Scotland)
  7 Oct 2025 · £82k · ends 24 Oct 2025
  Awarded to WSP UK LIMITED
• DSIT Media Buying
  3 Oct 2025 · £9.9m · ends 13 Jun 2026
  Awarded to Manning Gottlieb OMD
• Enterprise Cloud BI - Big Data Discovery & Optimisation
  1 Oct 2025 · £49k · ends 31 Dec 2025
  Supplier not named in a form we publish
• Climate Finance Accelerator (CFA) 2 Global Delivery Partner
  26 Sept 2025
  Supplier not named in a form we publish
• Department for Energy Security and Net Zero - Media Buying Call Off Contract
  24 Sept 2025 · £80m · ends 13 Jun 2026
  Supplier not named in a form we publish
• COP30 Pavilion and associated Services
  17 Sept 2025 · £460k · ends 21 Nov 2025
  Supplier not named in a form we publish
• New York Climate Week Legacy Event Summit
  15 Sept 2025 · ends 30 Sept 2025
  Supplier not named in a form we publish
• Upstream Oil and Gas Fields Subscription 2025-2028
  11 Sept 2025 · ends 31 Aug 2028
  Awarded to Wood Mackenzie Ltd
• UNFCCC Review - In-Country Review of Mexico's Biennial Transparency Report
  9 Sept 2025 · ends 3 Jan 2026
  Awarded to UK Centre for Ecology & Hydrology
• con_8662 - RM6277 - Contingent labour support for Hydrogen
  8 Sept 2025 · £53k · ends 30 Nov 2025
  Supplier not named in a form we publish
• Haymarket Media Group – ENDS Report Subscription
  8 Sept 2025 · ends 27 Sept 2027
  Awarded to Haymarket Media Group
• RAF015 2526 Scoping Study: Climate transition and global financial stability
  5 Sept 2025 · terminated
  Awarded to Adam Smith International
• Provision of the Nuclear Innovation and Research Office (NIRO)
  1 Sept 2025 · ends 31 Mar 2026
  Awarded to United Kingdom National Nuclear Laboratory Ltd
• PS25123 - RAF003/2526 - Great British Energy – Employment Impact Assessment Framework
  1 Sept 2025 · ends 28 Nov 2025
  Supplier not named in a form we publish
• ETS Contract to identify and develop process improvements for review of Activity Level Change Reports (ALC) and determination of free allowances for the Offshore sector
  1 Sept 2025 · £100k · ends 31 Mar 2026
  Supplier not named in a form we publish

Supplier names are published only where the notice carries a Companies House number, so sole traders and named individuals are not listed. Figures are counts from the published notices and nothing is inferred. To correct or remove something, email hello@bidwire.co.uk.