System operational · UK tenders

Buyer profile

Department for Energy Security & Net Zero

central_govUKI32englandGB

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Total contracts

119

Known spend

£431m

113 disclosed

Average value

£4m

Per contract

Active suppliers

10

Last 5 years

Open4Awarded84Closed11

Top suppliers

Last 5 years
  1. 1

    United Kingdom National Nuclear Laboratory

    5 winslatest 01 Jul 2026CH 03857752

    £24m

  2. 2

    Aether Limited

    5 winslatest 18 Aug 2026CH 06630896

    £184,771

  3. 3

    Energy Systems Catapult Limited

    4 winslatest 04 Aug 2026CH 08705784

    £621,302

  4. 4

    Version 1 Solutions Ltd

    2 winslatest 19 Aug 2026

    £100m

  5. 5

    PricewaterhouseCoopers LLP

    2 winslatest 28 Oct 2025

    £2m

  6. 6

    RSM UK Restructuring Advisory LLP

    2 winslatest 28 Oct 2025

    £2m

  7. 7

    Teneo Financial Advisory Limited

    2 winslatest 28 Oct 2025

    £2m

  8. 8

    Deloitte LLP

    2 winslatest 28 Oct 2025

    £2m

  9. 9

    DMDL Ltd

    2 winslatest 13 Oct 2025

    £920,000

  10. 10

    YRD İstanbul Reklamcılık ve Danışmanlık Ticaret Anonim Şirketi

    2 winslatest 06 Oct 2026

    £845,026

What they buy

By CPV category
  • Business servicesCPV 79

    3 contracts · £4m

Tender activity

Notices published per month — last 24 months

18 active months
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All contracts (119)

D
ocds-h6vhtk-05f741 · award

Provision of business intelligence data subscription

Department for Energy Security & Net Zero
London

Department for Energy Security and Net Zero intend to enter into a contract with Moody's Analytics for the provision of Business Intelligence Data, using their Fame and Orbis produ

£Up to £488,263
Posted · 9mo agoView details →
D
ocds-h6vhtk-05dc81 · tender

CSP25324 – GBE pension scheme

Department for Energy Security & Net Zero
London

Great British Energy (GBE) are seeking to secure a pension provider. As GBE is not part of the civil service, it is not covered by the current civil service pension arrangements an

£Up to £70,000
⏱ 19 Jan 2026
Posted · 9mo agoView details →
D
ocds-h6vhtk-05e4ae · award

Uk-ets auctions services

Department for Energy Security & Net Zero
London

This Contract between the Buyer and the Supplier is for the supply of Deliverables, being the provision of an auction platform and related services for the UK Emissions Trading Sch

£Up to £1,431,345
Posted · 9mo agoView details →
D
ocds-h6vhtk-05f80f · award

Press association licence for DSIT and desnz

Department for Energy Security & Net Zero
London

This is a joint renewal of the PA Media subscription for DSIT and DESNZ. PA Media is a business-critical service that is utilised by both department’s press teams.

£Up to £258,159
Posted · 9mo agoView details →
D
ocds-h6vhtk-058563 · award

Transparency notice for green deal ombudsman investigation service (OIS)

Department for Energy Security & Net Zero
London

The procurement is for an ongoing requirement under the Green Deal Framework Regulations (Disclosure, Acknowledgement, Redress etc) Regulations 2012 (the ‘Framework Regulations’) p

£Up to £100,000
Posted · 9mo agoView details →
D
ocds-h6vhtk-05dac8 · planningUpdate

Enhancing private investment for climate (EPIC)

Department for Energy Security & Net Zero
London

Tackling climate change and nature loss internationally is in our national interest. The UK has a long track record of delivering impact and value for money through our Internation

£Up to £83,333,333
Posted · 10mo agoView details →
D
ocds-h6vhtk-05edaf · planning

HR - ICS - pay progression digital assessment tool

Department for Energy Security & Net Zero
London

The HR team within ICS Integrated Corporate Services, part of the Department for Energy Security and Net Zero is seeking to engage with the market in advance of a potential future

£Up to £400,000
Posted · 10mo agoView details →
D
ocds-h6vhtk-056ab9 · award

Plug-in solar PV study

Department for Energy Security & Net Zero
London

The objective of this study is to assess whether plug-in solar photovoltaic (PV) connected to certified inverters can be safely deployed in the UK without socket or building wiring

£Up to £80,309
⏱ 3 Sept 2025
Posted · 10mo agoView details →
D
ocds-h6vhtk-05978f · planningUpdate

Energy technology list pipeline notice

Department for Energy Security & Net Zero
London

The ErP Programme seeks to improve the environmental performance (energy efficiency as well as other relevant environmental criteria) for specific energy-related products and produ

£Up to £6,156,000
Posted · 10mo agoView details →
D
ocds-h6vhtk-04e2df · awardUpdate

Energy retail markets legal advice and services

Department for Energy Security & Net Zero
services

Provision of legal advice in relation to electricity and gas supplier financial difficulties, insolvencies and subsequent government response which may include, but not be limited

£Up to £1,750,000
Posted · 10mo agoView details →
D
ocds-h6vhtk-05d82e · award

COP30 translation services

Department for Energy Security & Net Zero
London

To provide seamless multilingual communication support for COP30 including simultaneous interpretation (on-site and remote) and translation of key documents and media and ensuring

£Up to US$53,430
Posted · 11mo agoView details →
D
ocds-h6vhtk-044420 · awardUpdate

Energy supply company insolvency - response

Department for Energy Security & Net Zero
services

Legal services for support for the SAR for Bulb

£Up to £1,000,000
Posted · 11mo agoView details →
D
ocds-h6vhtk-05d1fe · award

Report on nuclear graphite waste

Department for Energy Security & Net Zero
London

The Contract will be provided by the supplier through the Nuclear Graphite Research Group (NGRG) who will provide Disposal options for nuclear graphite within the radioactive waste

£Up to £13,350
Posted · 11mo agoView details →
D
ocds-h6vhtk-051b76 · awardUpdate

PS25123 - RAF003/2526 - great british energy – employment impact assessment framework

Department for Energy Security & Net Zero
London

Backed by a capitalisation of up to £8.3bn over this Parliament, Great British Energy (GBE) is a publicly owned energy company with a mission to drive clean energy deployment, crea

£Up to £73,365
⏱ 20 Jun 2025
Posted · 11mo agoView details →
D
ocds-h6vhtk-059bd3 · award

COP30 pavilion and associated services

Department for Energy Security & Net Zero
London

Correction of threshold to existing UK6 notice 2025/S 000-057528, not a new notice. Previous contract timescales apply. The COP30 Pavilion and other services project covers the ass

£Up to £900,000
Posted · 12mo agoView details →
D
ocds-h6vhtk-05ac51 · award

Unfccc review – in-country review of ecuador’s biennial transparency report

Department for Energy Security & Net Zero
London

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

£Up to £29,244
Posted · 12mo agoView details →
D
ocds-h6vhtk-0582cf · tenderUpdate

CSP25072 - GBE leadership and culture development

Department for Energy Security & Net Zero
London

The final date and time for the submission of bids is Friday 3rd October 2025 at 11:00 am. DO NOT apply directly to the buyer. All tender information MUST be submitted through the

£Up to £50,000
⏱ 3 Oct 2025
Posted · 12mo agoView details →
D
ocds-h6vhtk-059cb4 · award

COP30 pavilion and associated services

Department for Energy Security & Net Zero
London

The COP30 Pavilion and other services project covers the assembly, management, and dismantling of spaces in the Blue Zone of the 2025 UN Climate Change Conference (COP30), held 10–

£Up to £460,000
Posted · 12mo agoView details →
D
ocds-h6vhtk-059a88 · award

New york climate week legacy event summit

Department for Energy Security & Net Zero
London

Event Services from the Supplier for the hire of Goals House for a Legacy Summit Event during UNGA 2025.

£Up to £35,000
Posted · 13mo agoView details →
D
ocds-h6vhtk-0589d4 · award

Upstream oil and gas fields subscription 2025-2028

Department for Energy Security & Net Zero
London

Wood Mackenzie annual subscription is a source of information on upstream oil and gas fields.

£Up to £232,690
Posted · 13mo agoView details →