Top suppliers
Top suppliers to Defence Infrastructure Organisation
Top-five suppliers hold 89% of contract value — a concentrated market.
Procurement categories
What Defence Infrastructure Organisation buys
Common Procurement Vocabulary (CPV) breakdown of contracts awarded over the reporting period.
45450000713500000931000045230000452600007154000071310000731200003121000045310000722200007914000045250000791100005071000032420000904600002211000090710000Recent contracts
Latest Defence Infrastructure Organisation contracts awarded
The most recently published award notices on Find a Tender and Contracts Finder.
Network Support Services for ADHE - UK7 Notice
System Check Limited · 2026-06-26
£48K
TECHNICAL SUPPORT PROVIDER (TSP): MUNITIONS (DM) GOSPORT - WATERFRONT MUNITIONS HANDLING FACILITY (WMHF) - BEDENHAM PIER
Amentum Clean Energy Ltd · 2026-05-15
£4.5M
Sewage Treatment Plant Filter Replacement Belize
Jacopa Ltd · 2026-02-11
£100K
MCS User Manual
ATG Airports Limited · 2026-01-14
£28K
Belgium Gas & Electricity
Electrabel nv · 2025-12-22
£2.2M
Belgium Gas & Electricity UK 5
Electrabel nv · 2025-12-22
£2.2M
The commissioning of specialist legal services to support the department’s submission to the Armed Forces Bill. UK7
Forsters LLP · 2025-12-19
£100K
Service of the High Voltage and Low Voltage Electrical Equipment
Skyline Sales and Services Ltd · 2025-12-18
£74K
Kifaru Water Infrastructure Upgrade
EURO GULF KENYA CONSTRUCTION COMPANY LTD · 2025-12-18
£91K
Waste Removal and Maintenance at British Gurkhas Nepal
Shraya Nirman Sewa · 2025-12-15
£45K
Main Intake Substation High Voltage Switchgear Life Cycle Replacement
TROPICAL HOLDINGS LADYVILLE LTD · 2025-11-24
£750K
Wildlife Monitoring Programme Belize
University of Belize, Environmental Research Institute · 2025-08-13
£25K
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Open opportunities
Open Defence Infrastructure Organisation tenders
Tenders currently inviting bids. SMEs can respond via the official tender portal.
Defence Rental Accommodation Project
£700.0M
DM Gosport Waterfront Munitions Handling Facility (WMHF) Bedenham Pier - Works Contractor
£120.0M
Number One Officer's Mess at RAF Cranwell - Design and Refurbishment - UK1
£20.0M
MOD Shrivenham PFI Replacement - UK 1
£282.4M
715846472 - Estate Wide Stock Condition Surveys - UK2
Onsite Direct Wire Power Purchase Agreement Pilots
£246.9M
MOD Shrivenham PFI Replacement - UK 1
£282.4M
HMS Drake FM Services - UK 1
£268.0M
MOD Shrivenham PFI Replacement - UK 1
£282.4M
Offsite Direct Wire Power Purchase Agreement (RAF Wittering)
£36.5M
Works Contractor Fylingdales Powerhouse Facility - UK1
Works Contractor NADES Studdingsail - Wider Site - UK1
Works Contractor Military Working Dogs Odiham
Works Contractor Basing and Infrastructure for the New Medium Helicopter (NMH) Programme
Defence Water Services Programme Scotland - UK1
£250.0M
Work Contractor Albemarle Barracks - UK1
TSP Fylingdales Powerhouse Facility - UK1
Studdingsail X01 Main Construction Works-UK1
Offsite Direct Wire Power Purchase Agreement Pilot (RAF Wittering)
£36.5M
Onsite Direct Wire Power Purchase Agreement Pilots
£246.9M
Pipeline
Contracts expiring in the next 12 months
When these contracts end, Defence Infrastructure Organisation typically re-tenders. SMEs preparing bids 3-6 months ahead win disproportionately often.
Wattisham Bldg 700 Roof Repair - Works Contract
Expires: 2026-10-31
£1.9M
Main Intake Substation High Voltage Switchgear Life Cycle Replacement
Expires: 2027-03-29
£750K
DIO Estate Lens Enhancements 2025-27 with Option Year 26-27
Expires: 2027-03-31
£800K
DIO Estate Lens Enhancements 2025-27 with Option Year 26-27
Expires: 2027-03-31
£800K
PRIDE2 Construction Management RIBA4-6
Expires: 2027-04-28
£1.7M
Market analysis
Bidding into Defence Infrastructure Organisation — what to expect
Supplier concentration and timing patterns that shape SME bid strategy.
89%
Top-5 supplier share
117d
Avg response window
35d
Median response window
22mo
Avg contract duration
Frequently asked
Common questions about selling to Defence Infrastructure Organisation
How much does Defence Infrastructure Organisation spend on procurement?
Defence Infrastructure Organisation awarded 26 contracts totalling £50.8M between 2023-08-01 and 2026-08-01, working with 20 unique suppliers. Average contract value is £2.0M.
Who are Defence Infrastructure Organisation's top suppliers?
The largest suppliers to Defence Infrastructure Organisation by total award value are Galliford Try Construction Ltd, Amentum Clean Energy Ltd, Electrabel nv. The top five suppliers together hold 89% of contract value.
What does Defence Infrastructure Organisation buy from suppliers?
Defence Infrastructure Organisation's procurement is concentrated in other building completion work, engineering-related scientific and technical services, electricity, alongside specialist categories. See the full CPV breakdown below.
How can my business bid for Defence Infrastructure Organisation contracts?
Defence Infrastructure Organisation 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.
What's the typical response window for Defence Infrastructure Organisation tenders?
Defence Infrastructure Organisation typically gives suppliers a median of 35 days to respond (average 117 days). Standard contract duration is around 22 months.
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 Defence Infrastructure Organisation'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 2026-08-01
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
- · Spend Network
Source records remain subject to Open Government Licence v3.0 attribution. ENKII doesn't warrant accuracy beyond the source portals' own publication.