Top suppliers
Top suppliers to Department for Energy Security & Net Zero
Top-five suppliers hold 61% of contract value — a concentrated market.
Procurement categories
What Department for Energy Security & Net Zero buys
Common Procurement Vocabulary (CPV) breakdown of contracts awarded over the reporting period.
73797271987566098092324448707685Recent contracts
Latest Department for Energy Security & Net Zero contracts awarded
The most recently published award notices on Find a Tender and Contracts Finder.
CSP26751 - Alternate Delegates for International Energy Agency Technology Collaboration Programme
University of Birmingham Enterprise Limited · 2026-11-06
£29K
CSP26751 - Alternate Delegates for International Energy Agency Technology Collaboration Programme
Bright Analysis Limited · 2026-11-06
£56K
CSP26751 - Alternate Delegates for International Energy Agency Technology Collaboration Programme
Ithuriel Limited · 2026-11-06
£30K
CSP26751 - Alternate Delegates for International Energy Agency Technology Collaboration Programme
GROUND SOURCE HEAT PUMPS LIMITED · 2026-11-06
£31K
Greenhouse Gases Inventory Improvement Programme (IIP2) Lot B
TURNER & TOWNSEND PROJECT MANAGEMENT LIMITED · 2026-11-03
£1.3M
DESNZ - Comms - Financial Times Enterprise Licence 2026-2027
Financial Times · 2026-10-29
£155K
DESNZ UKNNL Framework
United Kingdom National Nuclear Laboratory · 2026-10-28
Public Available Specification (PAS) 63100 Amendment and Review
BSI Standards Limited · 2026-10-26
£220K
National Security Contract
United Kingdon National Nuclear Laboratory · 2026-10-26
£300K
AI Horizon Scanning Tool
Seerist UK Limited · 2026-10-21
£45K
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What Department for Energy Security & Net Zero has coming up
Sign in free to see the detail: titles, timings, values, and what to prepare.
Most of it is in business services, R&D and IT services.
34
contracts ending in 12 months
Likely to be re-tendered: see which, and who holds them
26
planned procurements
Work this buyer has said it intends to tender
2
frameworks running
Routes to sell here without a full tender
8
tender packs read
What it asks bidders for: insurance, certificates, scoring
Market analysis
Bidding into Department for Energy Security & Net Zero — what to expect
Supplier concentration and timing patterns that shape SME bid strategy.
35%
Awards to SMEs
61%
Top-5 supplier share
8%
Framework call-offs
—
Awards to social enterprises
Around 35% of Department for Energy Security & Net Zero’s classified awards go to small and medium-sized enterprises.
Frequently asked
Common questions about selling to Department for Energy Security & Net Zero
How much does Department for Energy Security & Net Zero spend on procurement?
Department for Energy Security & Net Zero awarded 169 contracts totalling £196.0M between 2023-11-08 and 2026-11-08, working with 142 unique suppliers. Average contract value is £1.2M.
Who are Department for Energy Security & Net Zero's top suppliers?
The largest suppliers to Department for Energy Security & Net Zero by total award value are United Kingdom National Nuclear Laboratory, Linklaters LLP, National Nuclear Laboratory. The top five suppliers together hold 61% of contract value.
What does Department for Energy Security & Net Zero buy from suppliers?
Department for Energy Security & Net Zero's procurement is concentrated in research and development services and related consultancy services, business services: law, marketing, consulting, recruitment, printing and security, it services: consulting, software development, internet and support, alongside specialist categories. See the full CPV breakdown below.
How can my business bid for Department for Energy Security & Net Zero contracts?
Department for Energy Security & Net Zero publishes open tenders on Find a Tender and Contracts Finder. ENKII matches your business against live tenders, identifies certifications you'll need, and surfaces frameworks worth applying to. Free Readiness Score in 3 minutes.
Continue reading
Related ENKII resources
GUIDE
PQQ & Selection Questionnaire — Procurement Act 2023
How UK central-government departments evaluate suppliers at the pre-qualification stage.
GUIDE
Cyber Essentials — for government contracts
Most central-government contracts handling personal data require this certification.
SECTOR
UK Government IT Services
G-Cloud, DOS, Crown Commercial frameworks. Software + consultancy is Department for Energy Security & Net Zero's largest spend area.
INDEX
All UK public-sector buyers
Browse procurement profiles for every UK government department and major buyer.
Sources & methodology
How this profile is compiled
Analysed by ENKII · Updated 2026-11-08
This profile aggregates public-record procurement data published by the UK Government under the Open Government Licence v3.0. ENKII fetches, deduplicates, and aggregates source records; we don't edit the underlying facts.
Source portals
- · Find a Tender (find-tender.service.gov.uk)
- · Contracts Finder
Source records remain subject to Open Government Licence v3.0 attribution. ENKII doesn't warrant accuracy beyond the source portals' own publication.