Public sector buyer

DESNZ

Has run 121 procurements, awarding £10.9bn in reported contract value.

121
Procurements
£10.9bn
Award value
12
Top suppliers
20
Frameworks

DESNZ is a UK public-sector contracting authority. Across 121 recorded procurements worth £10.9bn in awards, the records below show its recent tenders and awards, the suppliers it buys from most, and the frameworks it uses.

Profile

Region
Procurements
121
Total award value
£10,936,033,181
Publishing sources
Contracts Finder

Recent procurements

The latest tenders and awards from this buyer.

ProcurementStageUpdatedValue
DESNZ- Commercial Contingent Labour SupportAward12 May 2026£71.1k
Awarded Contract: Provision of Regulatory Design Services to the Smart Metering Implementation ProgrammeAward27 Mar 2026£1.9m
Project SWAN Development AgreementAward27 Mar 2026£200k
Heat Networks Zoning Digital BetaAward10 Feb 2026£2.3m
Contract Award Notice for ESA2010 accounting advice for heat network policiesAward23 Dec 2025£40k
DESNZ- Commercial Contingent Labour SupportAward19 Dec 2025£35.3k
DESNZ- Commercial Contingent Labour SupportAward19 Dec 2025£36k
Variation: Monitoring and Evaluation Call-Off ContractAward28 Nov 2025£210k
EV Smart Charging and SSES Professional Services SupportAward25 Nov 2025£2.4m
Hydrogen Technical Advisor to DESNZ (Primary Supplier)Award27 Oct 2025£7.5m
Hydrogen Technical Advisor to DESNZ (Secondary Supplier)Award22 Oct 2025£7.5m
Contract Variation: National Policy Statement - Appraisal of Sustainability & Habitats Regulations AssessmentAward15 Oct 2025£254.4k
Climate Finance Accelerator (CFA) 2 Global Delivery PartnerAward26 Sept 2025£19.9m
Provision of Professional Services for GBE InvestmentsAward4 Jul 2025£1.5m
Provision of Technical Advice and Support on Floating Offshore WindAward17 Jun 2025£250k
CON_7925 National Zoning Model Management and Data AnalyticsAward10 Jun 2025£500k
Fuel Finder ServicesAward30 May 2025£1.9m
Reserve Tanker FleetAward24 Apr 2025£12m
Automox Licence for the Radiological Response and Emergency management system (RREMS)Award15 Apr 2025£1.5k
Specification 1: Provision of Advanced Zoning Project and HNDU Project Delivery (AZP_HNDU Zoning Study) Specification 2: Central Authority and Zone Coordinator (CAZC) Implementation (Lot 2.2)Award10 Apr 2025£1.7m
Specification 1: Provision of Advanced Zoning Project and HNDU Project Delivery (AZP_HNDU Zoning Study) Specification 2: Central Authority and Zone Coordinator (CAZC) Implementation (Lot 2.2)Award10 Apr 2025£3.2m
External Financial Advisory Support for Existing Nuclear ProjectsTender25 Mar 2025
Legal Support for HNDUAward19 Mar 2025£50k
AZP Project Delivery SupportAward17 Mar 2025£80k
HNDU Project Delivery Support Lot 1Award17 Mar 2025£220k
IEA TCP Alternate Delegates - Preliminary Market EngagementPlanning10 Mar 2025
Provision of Delivery Model AnalysisAward6 Mar 2025£159.5k
Tender Notice for the Administrator of the Biomass Supplier ListTender3 Mar 2025
HNDU Project Delivery Support Lot 1Award27 Feb 2025£150k
HNDU Zoning Support HNDU (Heat Network Delivery Unit) Lot 2.1Award27 Feb 2025£45k
HNDU Project Delivery SupportAward27 Feb 2025£50k
Devops Resource for Radiological Response and Emergency Management System (RREMS)Award26 Feb 2025£288.8k
Energy & Net Zero Professional Services FrameworkAward26 Feb 2025£250m
Cube Lynx Commercial HNDU SupportAward24 Feb 2025£60k
AZP & HNDU Zoning SupportAward24 Feb 2025£205k
UNFCCC Inventory ReviewAward24 Feb 2025£20.2k
ECO4 Fraud and Error AssuranceAward21 Feb 2025£48.6k
UNFCCC Inventory ReviewAward20 Feb 2025£14.8k
UNFCCC Inventory ReviewAward20 Feb 2025£16.5k
UNFCCC Inventory ReviewAward20 Feb 2025£13.6k
Legal services for the DESNZ GBN Sponsorship and Policy teamAward14 Feb 2025£15m
con_7360 Heat Network Efficiency Scheme Extension ContractAward13 Feb 2025£3m
Financial HNDU SupportAward4 Feb 2025£20k
Commercial HNDU SupportAward4 Feb 2025£20k
HNDU Zoning Support HNDU (Heat Network Delivery Unit)Award4 Feb 2025£20k
HNDU Zoning SupportAward4 Feb 2025£70k
HNDU Zoning Support HNDU (Heat Delivery Network Unit)Award4 Feb 2025£20k
Financial AZP supportAward4 Feb 2025£75k
Commercial AZP SupportAward4 Feb 2025£75k
AZP Commercial SupportAward4 Feb 2025£490k

Top suppliers

The firms this buyer awards to most often.

Frameworks

FAQs about DESNZ

How many contracts has DESNZ awarded?

DESNZ has run 121 recorded procurements, awarding £10,936,033,181 in reported contract value.

Who are DESNZ's biggest suppliers?

Its most frequent suppliers include WSP UK LIMITED (4 awards), OVE ARUP & PARTNERS LIMITED (4 awards), (unknown) (4 awards), INVESTIGO LIMITED (3 awards), Buro Happold Limited (3 awards), AECOM (3 awards).

Which frameworks does DESNZ use?

DESNZ appears across 20 frameworks, including UNFCCC Inventory Review, Updates to Heat Network Market Growth Model, Climate Finance Accelerator (CFA) 2, Radiological Surveillance Programme for OSPAR, UK-ETS IT-Systems Development.

Where does DESNZ publish its tenders?

Its notices are published via Contracts Finder.

Sell to DESNZ

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