Top suppliers
Top suppliers to NI Water and its subsidiaries
Top-five suppliers hold 96% of contract value — a concentrated market.
Procurement categories
What NI Water and its subsidiaries buys
Common Procurement Vocabulary (CPV) breakdown of contracts awarded over the reporting period.
71530000
7153000071310000
7131000050710000
5071000079710000
7971000035120000
3512000009330000
0933000045250000
4525000045230000
4523000038420000
3842000079340000
7934000071630000
7163000079210000
7921000035110000
3511000050530000
5053000024950000
2495000085140000
8514000079620000
7962000038430000
3843000024450000
2445000066510000
66510000Recent contracts
Latest NI Water and its subsidiaries contracts awarded
The most recently published award notices on Find a Tender and Contracts Finder.
Contract
ANDERSON SPRATT GROUP LTD · 2025-09-30
£3.8M
Submersible Sludge/Sewage Pumps
DRILLING PUMPING SUPPLIES LTD · 2025-09-17
£20.0M
BIDDING AGAINST THESE SUPPLIERS?
See your match score against NI Water and its subsidiaries
ENKII scores your business against live tenders and identifies the certifications you need to compete with the suppliers above.
Open opportunities
Open NI Water and its subsidiaries tenders
Tenders currently inviting bids. SMEs can respond via the official tender portal.
T152 NI Water Plant and Machinery – Service, Maintenance and Repair
Deadline: 2026-06-25
T141 – Electrical, Instrumentation, Control and Automation, Installation, Repair and Maintenance (EICA)
Deadline: 2026-07-03
T113 - Supply and Delivery of Hand Tools, Power Tools and Ancillaries
Deadline: 2026-07-08
£1.7M
IF009A - Instrumentation, Control and Automation (ICA) Equipment and Spare Parts
C1175 - Leakage Detection Services
T180 - Servicing, maintenance, supply and installation of spare parts for Disinfection Systems
Request for Information (RFI) - Market interest and capability to procure and process (“Wet Milling”) magnetite to NIW’s required specification for Potable Water Treatment Process
T138 Supply of Metered Electricity
C1247 – Electrical Inspection, Testing and Repair Services (EITR)
T157 – Aerzen - Provision of Maintenance, Spare parts, Bare shaft/Service exchange units and OEM Support
Market analysis
Bidding into NI Water and its subsidiaries — what to expect
Supplier concentration and timing patterns that shape SME bid strategy.
96%
Top-5 supplier share
24d
Avg response window
27d
Median response window
—
Avg contract duration
Frequently asked
Common questions about selling to NI Water and its subsidiaries
How much does NI Water and its subsidiaries spend on procurement?
NI Water and its subsidiaries awarded 31 contracts totalling £898.9M between 2023-06-17 and 2026-06-17, working with 20 unique suppliers. Average contract value is £33.3M.
Who are NI Water and its subsidiaries's top suppliers?
The largest suppliers to NI Water and its subsidiaries by total award value are Tetra Tech Consulting NI Ltd, GRAHAM ASSET MANAGEMENT LTD, COBRA SPECIALIST SECURITY SERVICES LTD. The top five suppliers together hold 96% of contract value.
What does NI Water and its subsidiaries buy from suppliers?
NI Water and its subsidiaries's procurement is concentrated in 71530000, 71310000, 50710000, alongside specialist categories. See the full CPV breakdown below.
How can my business bid for NI Water and its subsidiaries contracts?
NI Water and its subsidiaries 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 NI Water and its subsidiaries tenders?
NI Water and its subsidiaries typically gives suppliers a median of 27 days to respond (average 24 days). Standard contract duration is around 0 months.
Continue reading
Related ENKII resources
GUIDE
PQQ & Selection Questionnaire — Procurement Act 2023
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GUIDE
Cyber Essentials — for government contracts
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SECTOR
UK Government IT Services
G-Cloud, DOS, Crown Commercial frameworks. Software + consultancy is NI Water and its subsidiaries'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 2026-06-17
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.