Buyer profile
Department for Energy Security & Net Zero
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Total contracts
119
Known spend
£431m
113 disclosed
Average value
£4m
Per contract
Active suppliers
10
Last 5 years
Top suppliers
Last 5 years- 1
United Kingdom National Nuclear Laboratory
£24m
- 2
Aether Limited
£184,771
- 3
Energy Systems Catapult Limited
£621,302
- 4
Version 1 Solutions Ltd
2 winslatest 19 Aug 2026£100m
- 5
PricewaterhouseCoopers LLP
2 winslatest 28 Oct 2025£2m
- 6
RSM UK Restructuring Advisory LLP
2 winslatest 28 Oct 2025£2m
- 7
Teneo Financial Advisory Limited
2 winslatest 28 Oct 2025£2m
- 8
Deloitte LLP
2 winslatest 28 Oct 2025£2m
- 9
DMDL Ltd
2 winslatest 13 Oct 2025£920,000
- 10
YRD İstanbul Reklamcılık ve Danışmanlık Ticaret Anonim Şirketi
2 winslatest 06 Oct 2026£845,026
What they buy
By CPV categoryBusiness servicesCPV 79
3 contracts · £4m
Tender activity
Notices published per month — last 24 months
All contracts (119)
Unfccc review - in-country review of mexico's biennial transparency report
Greenhouse gas inventories (GHGI) are required to be submitted by Parties to the United Nations Framework Convention on Climate Change (UNFCCC), which includes the UK. These invent
Haymarket media group – ENDS report subscription
Subscription agreement between Haymarket Media Group and the Offshore Petroleum Regulator for Environment and Decommissioning (OPRED), part of the Department for Energy Security &
RAF015 2526 scoping study: climate transition and global financial stability
In partnership with the industry-led EMDE Investor Taskforce convened by the Minister for International Development and the Economic Secretary to the Treasury, DESNZ on behalf of t
PS25222 - investigation of future energy systems material demands repair and recovery of wind assets
The aim of this research project is to fill a critical evidence gap on the potential for recovering materials from existing and future onshore and offshore wind assets. The focus o
Provision of the nuclear innovation and research office (NIRO)
NIRO provides independent strategic and technical advice to Government that will de-risk investment, inform policy, and enable maximum value for money to the UK taxpayer. NIRO work
IEA TCP alternate delegates
DESNZ is looking for experts in their field with a strong network of contacts across their industry to act as an Alternate Delegate for the following International Energy Agency (I
DSIT NMS - NPL life sciences and health
The Energy and Environment programme develops, maintains and applies national science, measurement and metrology capability to the challenges surrounding the use of energy and the
Energy supply company insolvency - response
Legal services for support for the SAR for Bulb
Comms - desnz/dsit - supply of joint financial times licence
Contract for the renewal of Financial Times Licence Subscription for DESNZ and DSIT. The departments will be going forward with a joint enterprise licence.
Contract award notice -home electrification details survey
To enable the decarbonisation of homes we have a critical need to track public attitudes with as many sources of insight as possible. We gather insight from the Public Attitudes Tr
Net zero industries mission (NIM) awards contract award notice
DESNZ are seeking to sponsor the Net-Zero Industries Award, which is the flagship deliverable by the Net Zero Industries Mission, of which the UK is a member. The award has been fu
Forward price data and insight subscription service
Use of ICIS Energy data by the UK Government in order to keep track of market prices and developments to assist with policy and regulatory decisions
Power intelligence center subscription
One year subscription to data platform provided by supplier
Application management services for the radiological response and emergency management system (rrems)
The Radiological Response and Emergency Management System (RREMS) is a system managed by the Department for Energy, Security and Net Zero (DESNZ) and used by the United Kingdom whi
Hntas certification provider
Background The Department for Energy Security and Net Zero (DESNZ) wishes to establish a contract for a HNTAS Certification Body to provide all aspects of certification for the Hea
Heat network technical assurance scheme training provider
The Department for Energy Security and Net Zero (DESNZ) wishes to establish a contract for a Training Provider to provide all aspects of training for the Heat Network Technical Ass
Heat network technical assurance scheme (hntas) scheme operator
The Department for Energy Security and Net Zero (DESNZ) wishes to establish a contract for a Scheme Operator to operate the Heat Network Technical Assurance Scheme (HNTAS). In 2020
Forecourt data analysis
This procurement is for the provision of a petrol forecourt dataset for analytics.
Online vacancy data
This procurement is for the provision of a jobs vacancy dataset for analytics.