# DESNZ — UK public sector contract awards

> A public buyer profile built from sourced government contract award notices.

## Key facts

- Awards: 463
- Known award value: £605,538,205
- Distinct suppliers: 217
- First award: 19 May 2022
- Latest award: 2 September 2026

## Top suppliers

- [Baringa Partners](/suppliers/baringa-partners/public-sector-contract-awards) — 13 awards
- [Verian Group UK Limited](/suppliers/verian-group-uk/public-sector-contract-awards) — 13 awards
- [Ove Arup & Partners](/suppliers/ove-arup-partners/public-sector-contract-awards) — 12 awards
- [aecom](/suppliers/aecom/public-sector-contract-awards) — 10 awards
- [Technopolis Ltd](/suppliers/technopolis/public-sector-contract-awards) — 9 awards

## Contract awards

### [PS25210 - Transition Finance Research](/contracts/ocds-b5fd17-ddaa2adb-7d6c-4750-85ac-57430a06a811)

DESNZ · Baringa Partners LLP · £149,634 · 14 November 2025 · awarded

### [PS25239 - RAF027/2526 - Understanding heat pump use qualitative research to investigate the heating and consumption behaviours of heat pump owners](/contracts/ocds-b5fd17-bb647f10-f8ff-43b9-8523-9020007a7df6)

DESNZ · Verian Group UK Limited · £65,000 · 3 October 2025 · awarded

### [EV Smart Charging and SSES Professional Services Support](/contracts/ocds-b5fd17-9b18d414-10fc-428e-b220-81edccffbd46)

DESNZ · PA CONSULTING SERVICES LIMITED · £2,400,000 · 30 October 2025 · awarded

### [PS25232 - RAF025/2526 - Hard to Abate Industrial Sector Research](/contracts/ocds-b5fd17-d41ff8a5-b053-44fc-bc5b-122e7cd35a59)

DESNZ · CITY SCIENCE CORPORATION LIMITED · £494,774 · 28 October 2025 · awarded

### [Provision of Transformation Professional Services](/contracts/ocds-b5fd17-26146a3e-f3b2-4d66-b383-d593431be1fe)

DESNZ · Ernst & Young · £4,500,000 · 7 November 2025 · awarded

### [PS25160 - RAF008/2526 - Marginal Abatement Cost Curves and Business As Usual emissions for the UK and EU - 2025 Update](/contracts/ocds-b5fd17-53e51220-c00c-42d2-a023-0092183d8fc5)

DESNZ · Enerdata SAS · £278,896 · 2 October 2025 · awarded

### [PS25272 - RAF034/2526 - Cooling Adaptations research](/contracts/ocds-b5fd17-7f5baa90-b5fd-4470-9655-be55fcfac419)

DESNZ · Verian Group UK Ltd · £129,746 · 6 November 2025 · awarded

### [PS22234 BUS \(Boiler Upgrade Scheme\) Evaluation Report](/contracts/ocds-b5fd17-4083ab60-8bf2-42fe-bb85-c5331a1ab311)

DESNZ · ICF Consulting Services Ltd · £844,094 · 21 March 2023 · awarded

### [PS25182 - The Provision of Telecoms Expertise and Analysis](/contracts/ocds-b5fd17-77259c28-2855-4794-921c-ac3ca856c376)

DESNZ · Analysys Mason Limited · £66,453 · 5 November 2025 · awarded

### [PS25242 - Services to support the development and understanding of community and local energy business models](/contracts/ocds-b5fd17-1a7f3e31-9b60-4d63-944f-70e5ec4e446d)

DESNZ · Guidehouse Europe Limited · £245,000 · 31 October 2025 · awarded

### [Hydrogen Technical Advisor to DESNZ \(Primary Supplier\)](/contracts/ocds-b5fd17-441b48e7-5308-4359-ae7f-81d670dba248)

DESNZ · WSP UK Limited · £7,500,000 · 24 October 2025 · awarded

### [PS25146 - Evaluation of the Warm Homes Local Grant \(WHLG\)](/contracts/ocds-b5fd17-e207b5b5-e9c8-4caf-b784-d87e184751c2)

DESNZ · RSM UK Consulting LLP · £705,711 · 22 October 2025 · awarded

### [Hydrogen Technical Advisor to DESNZ \(Secondary Supplier\)](/contracts/ocds-b5fd17-3ad6dbe9-fe59-4125-bdf8-54f116051f2e)

DESNZ · Guidehouse Europe Limited · £7,500,000 · 13 October 2025 · awarded

### [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](/contracts/ocds-b5fd17-357e3b47-c84b-4083-9255-665ac5626134)

DESNZ · Bridewell Consulting LTD · £53,410 · 22 September 2025 · awarded

### [Department for Energy Security and Net Zero - Media Buying Call Off Contract](/contracts/ocds-b5fd17-2332803b-4174-4bae-8989-61b5f5c6b42f)

DESNZ · Manning Gottlieb OMD, a trading division of OMD Group Ltd · £80,000,000 · 27 June 2023 · awarded

### [PS25165 - Supporting access to the benefits of climate policy: public perspectives](/contracts/ocds-b5fd17-710acdf7-ceb0-4d13-9905-1be1cafce14d)

DESNZ · National Centre For Social Rsearch · £229,993 · 19 September 2025 · awarded

### [Contract Variation: National Policy Statement - Appraisal of Sustainability & Habitats Regulations Assessment](/contracts/ocds-b5fd17-962a506f-bbd9-4913-bca8-e0ac7debc563)

DESNZ · AtkinsRéalis UK Limited · £254,387 · 24 April 2023 · awarded

### [PS24305 - Adopting net zero technologies and behaviours: public views on a fair transition research](/contracts/ocds-b5fd17-258ce3c5-cd4d-4b1d-9a6c-d313b174a4e5)

DESNZ · IPSOS \(MARKET RESEARCH\) Ltd · £193,863 · 21 January 2025 · awarded

### [PS25237 - Identifying 'what works' in supplier engagement\.](/contracts/ocds-b5fd17-5ecc41f3-2036-4340-85ba-bcb330a8b61e)

DESNZ · Verian Group UK Ltd · £82,794 · 3 October 2025 · awarded

### [PS25214 Consumer experiences of energy smart appliances and interoperability: Baselining for monitoring and evaluation](/contracts/ocds-b5fd17-ac0c1232-c10d-4208-a4bc-a4c9c239a36c)

DESNZ · I\.F\.F RESEARCH LIMITED · £266,698 · 7 October 2025 · awarded

### [BE24052 - Heat Network Technical Assurance Scheme \(HNTAS\) Shadow Service Provider](/contracts/ocds-b5fd17-4b1d4e87-943c-4848-93aa-278cc4c2ffda)

DESNZ · Gemserv Limited · £2,076,720 · 26 April 2024 · awarded

### [Climate Innovation Pull Facility - Facility Manager - Invitation to Submit Initial Tenders](/contracts/ocds-b5fd17-da3e095d-04c1-4345-b644-e416cbe1ef9f)

DESNZ · 7 October 2025 · open\_tender

### [Benchmarking counterfactual set of ports - East Coast of England \(and East Scotland\)](/contracts/ocds-b5fd17-9751773b-51c7-43ab-abde-12a9e85110c7)

DESNZ · WSP UK Limited · £81,500 · 7 October 2025 · awarded

### [DSIT Media Buying](/contracts/ocds-b5fd17-3a4e145d-31dd-4277-b2df-93d552c76d3e)

DESNZ · Manning Gottlieb OMD · £9,950,000 · 19 June 2023 · awarded

### [Contract award](/contracts/ocds-b5fd17-02dd5010-38a1-47fe-bba0-cc1a8da1262d)

DESNZ · NEC Software Solutions UK Limited · £341,552 · 30 August 2024 · awarded

Page 4 of 19; 463 total records.