Top suppliers
Top suppliers to Southern Water Services Ltd.
Top-five suppliers hold 91% of contract value — a concentrated market.
Procurement categories
What Southern Water Services Ltd. buys
Common Procurement Vocabulary (CPV) breakdown of contracts awarded over the reporting period.
905100000931000079410000452300005041000031680000505300007132000030230000421200004299000042130000446100003492000044210000Recent contracts
Latest Southern Water Services Ltd. contracts awarded
The most recently published award notices on Find a Tender and Contracts Finder.
Socotec Topo & Ariel Surveys
SOCOTEC UK LIMITED · 2025-09-12
£350K
Services
Horizon Water Infrastructure Limited · 2025-08-12
£300.0M
prj_3972 - OSS - Pumps & Motors
Xylem Water Solutions UK Ltd · 2025-08-05
£12.4M
prj_4383 Supply and Maintenance of Dewatering Equipment
GEA MECHANICAL EQUIPMENT UK LIMITED · 2025-08-04
£12.0M
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Tenders currently inviting bids. SMEs can respond via the official tender portal.
Market Engagement - Hampshire Water Transfer and Water Recycling Project (Phase 3)
£1.3bn
Gritting
prj_5919 - Thames to Southern Transfer - DCO (Notification of Market Engagement Event)
Gritting
Gritting
£1.2M
Thames to Southern Transfer Strategic Resource Option (Technical Partner)
Thames to Southern Transfer Strategic Resource Option (Technical Partner)
£50.0M
Fleet Management & Telematics
Southern Water Environmental Investigations and Response
Southern Water Environmental Investigations and Response
£40.0M
Strategic Waste Management
£640.0M
Market Engagement - Southern Water Smart Metering Programme
£200.0M
Half Hourly Portfolio - Electricity Supply and Associated Services
Market analysis
Bidding into Southern Water Services Ltd. — what to expect
Supplier concentration and timing patterns that shape SME bid strategy.
91%
Top-5 supplier share
27d
Avg response window
29d
Median response window
—
Avg contract duration
Frequently asked
Common questions about selling to Southern Water Services Ltd.
How much does Southern Water Services Ltd. spend on procurement?
Southern Water Services Ltd. awarded 21 contracts totalling £4.2bn between 2023-08-01 and 2026-08-01, working with 16 unique suppliers. Average contract value is £221.4M.
Who are Southern Water Services Ltd.'s top suppliers?
The largest suppliers to Southern Water Services Ltd. by total award value are Lanes Group Limited, SmartestEnergy Limited, Clancy Docwra Limited. The top five suppliers together hold 91% of contract value.
What does Southern Water Services Ltd. buy from suppliers?
Southern Water Services Ltd.'s procurement is concentrated in refuse disposal and treatment, electricity, business and management consultancy services, alongside specialist categories. See the full CPV breakdown below.
How can my business bid for Southern Water Services Ltd. contracts?
Southern Water Services Ltd. 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 Southern Water Services Ltd. tenders?
Southern Water Services Ltd. typically gives suppliers a median of 29 days to respond (average 27 days). Standard contract duration is around 0 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 Southern Water Services Ltd.'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.