System operational · UK tenders

Buyer profile

DESNZ & DSIT Group Commercial

otherUKenglandGB

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Total contracts

38

Known spend

£407m

35 disclosed

Average value

£12m

Per contract

Active suppliers

10

Last 5 years

Open0Awarded33Closed0

Top suppliers

Last 5 years
  1. 1

    Deloitte LLP

    2 winslatest 30 Jun 2025

    £266m

  2. 2

    Turner and Townsend Consulting Ltd

    2 winslatest 02 Jun 2025

    £51m

  3. 3

    Prolific Research USA Inc

    2 winslatest 18 Sept 2025

    £6m

  4. 4

    Accenture (UK) Limited

    1 winlatest 26 Feb 2025

    £250m

  5. 5

    Arcadis Consulting (UK) Limited

    1 winlatest 26 Feb 2025

    £250m

  6. 6

    Costain Limited

    1 winlatest 26 Feb 2025

    £250m

  7. 7

    Gleeds Energy Ltd

    1 winlatest 26 Feb 2025

    £250m

  8. 8

    Jacobs U.K. Limited

    1 winlatest 26 Feb 2025

    £250m

  9. 9

    Mott MacDonald Limited

    1 winlatest 26 Feb 2025

    £250m

  10. 10

    Ove Arup and Partners Limited

    1 winlatest 26 Feb 2025

    £250m

What they buy

By CPV category
  • R&D servicesCPV 73

    12 contracts · £35m

  • Architectural & engineeringCPV 71

    11 contracts · £313m

  • IT servicesCPV 72

    5 contracts · £14m

  • Business servicesCPV 79

    4 contracts · £166,440

  • Financial & insuranceCPV 66

    2 contracts · £16m

  • Community & personal servicesCPV 98

    1 contract · £14m

  • Public administrationCPV 75

    1 contract · £13m

  • Postal & telecomsCPV 64

    1 contract · £1m

Tender activity

Notices published per month — last 24 months

15 active months
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All contracts (38)

D
ocds-h6vhtk-06eb88 · award

Auditors for the renewables obligation (RO) cost to exchequer

DESNZ & DSIT Group Commercial
services

This contract is for independent auditors to check that the government‑funded Renewable Obligation cost reductions are correctly applied by energy suppliers and passed on to consumers.

£Up to £3,000,000
Posted · 1mo agoView details →
D
ocds-h6vhtk-02f32b · award

Independent evaluation and learning partner for the NDC support programme

DESNZ & DSIT Group Commercial
services

The UK government is looking for an independent partner to evaluate its NDC Support Programme over a three‑year period (Aug 2026‑Mar 2029). The partner will deliver two learning reports and a full programme evaluation, with an optional two‑year extension for a final report in 2031.

£Up to £853,083
Posted · 1mo agoView details →
D
ocds-h6vhtk-069dcd · award

Research participant incentive vouchers

DESNZ & DSIT Group Commercial
goods

For the provision of vouchers for research participant The procurement is for a voucher scheme to for participants taking part in research projects.

£Up to £20,000
Posted · 4mo agoView details →
D
ocds-h6vhtk-069132 · award

98840

DESNZ & DSIT Group Commercial
services

Legal Advice Legal Services / Advice with relationship to subsea cabling repair capability

£Up to £98,840
Posted · 5mo agoView details →
D
ocds-h6vhtk-068412 · award

Mendix platform hosting licences for 2 years

DESNZ & DSIT Group Commercial
services

Mendix Platform hosting licences for 2 years

£Up to £562,666
Posted · 5mo agoView details →
D
ocds-h6vhtk-0668a1 · award

Sightline subscription for market intelligence on energy projects

DESNZ & DSIT Group Commercial
services

Sightline is an annual subscription to a platform which provides real-time market intelligence on energy projects and deals. Sightline provide a unique and extensive live database

£Up to £40,000
Posted · 7mo agoView details →
D
ocds-h6vhtk-041a33 · awardUpdate

Panel of technical experts - electricity market reform

DESNZ & DSIT Group Commercial
services

The Panel of Technical Experts (PTE) is an independent advisory group, members of which are appointed by government to advise on technical aspects of Electricity Market Reform. The

£Up to £105,000
Posted · 7mo agoView details →
D
ocds-h6vhtk-065f6c · awardUpdate

Fuel poverty modelling

DESNZ & DSIT Group Commercial
services

The delivery of annual fuel poverty data modelling. DESNZ use this data modelling to produce DESNZ’s accredited official statistics on fuel poverty.

£Up to £1,338,664
Posted · 7mo agoView details →
D
ocds-h6vhtk-060e17 · award

Review of value of partnering with the gfi’s transition finance lab

DESNZ & DSIT Group Commercial
services

HMG’s Financial Services and Growth Strategy specifically flagged that DESNZ would work proactively with the Green Finance Institute and others to “explore innovative financial str

£Up to £70,000
Posted · 8mo agoView details →
D
ocds-h6vhtk-060889 · award

RM6181 - contract award - consumer advise and information phoneline

DESNZ & DSIT Group Commercial
services

To deliver the next phase of the Consumer Advice and Information (CAI) Phoneline service from March 2026. The service will provide impartial, expert energy advice and assisted digi

£Up to £1,369,832
Posted · 8mo agoView details →
D
ocds-h6vhtk-05f675 · award

Reformed national pricing (RNP) codes and licences

DESNZ & DSIT Group Commercial
services

External energy related consultancy services The Review of Electricity Market Arrangements (REMA) was launched in 2022 to ensure that Great Britain’s electricity markets are fit fo

£Up to £1,000,000
Posted · 9mo agoView details →
D
ocds-h6vhtk-05a691 · award

Justification

DESNZ & DSIT Group Commercial
services

Commissioned Review of AISI’s Risk Assessment Methodologies

£Up to £63,543
Posted · 12mo agoView details →
D
ocds-h6vhtk-0495db · award

Justification

DESNZ & DSIT Group Commercial
services

Open Tender for An individual who is respected and knowledgeable about ETSI to act as the convener of UK work in ETSI formal meetings. This is supported by engagement with UK stake

£Up to £114,000
Posted · 12mo agoView details →
D
ocds-h6vhtk-02a03b · awardUpdate

Management of the nuclear safeguards programme

DESNZ & DSIT Group Commercial
services

The contract provides management services for the UK’s Nuclear Safeguards Programme (NSP) to Department for Energy Security and Net Zero (DESNZ) and International Atomic Energy Age

£Up to £13,650,100
Posted · 12mo agoView details →
D
ocds-h6vhtk-059cc1 · award

5000000

DESNZ & DSIT Group Commercial
servicesLondon

AISI requires a Supplier to provide study participants and platform access for ~20 human uplift studies and 20-40 human impacts studies. The Supplier should provide recruitment and

£Up to £5,000,000
Posted · 12mo agoView details →
D
ocds-h6vhtk-058c4f · award

30000

DESNZ & DSIT Group Commercial
services

Research exploring children’s views on the future, delivered through British Science Week. It includes designing engagement materials, analysing ~4,000 submissions and providing se

£Up to £30,000
Posted · 13mo agoView details →
D
ocds-h6vhtk-058b41 · award

26800.00

DESNZ & DSIT Group Commercial
services

To support the development of the Government Science Engineering (GSE) Reward Framework, Go-Science requires accurate salary benchmarking data to compare government S&E roles with

£Up to £26,800
Posted · 13mo agoView details →
D
ocds-h6vhtk-058a59 · award

67,472.48 (Ex VAT)

DESNZ & DSIT Group Commercial
services

To enable widespread AI adoption, DSIT is responding to the AI Management Essentials public consultation by developing two pieces of guidance to be published in September as part o

£Up to £67,472
Posted · 13mo agoView details →
D
ocds-h6vhtk-055a08 · planning

Smart metering engineering services

DESNZ & DSIT Group Commercial
services

The requirement is for services relating to engineering, technical design, signal propagation and protocol specification for smart metering-related devices. The service provider de

£Up to £2,800,000
Posted · 15mo agoView details →
D
ocds-h6vhtk-055823 · award

AISI research and evals partner for cyber and autonomous capabilities of AI foundation models

DESNZ & DSIT Group Commercial
services

The Artificial Intelligence Security Institute (AISI) is a directorate within the Department of Science and Innovation Technology mission (DSIT). Its mission is to minimise the sur

£Up to £5,000,000
Posted · 15mo agoView details →