Top suppliers
Top suppliers to Southern Water Services Limited
Top-five suppliers hold 44% of contract value — a concentrated market.
Procurement categories
What Southern Water Services Limited buys
Common Procurement Vocabulary (CPV) breakdown of contracts awarded over the reporting period.
32352431Recent contracts
Latest Southern Water Services Limited contracts awarded
The most recently published award notices on Find a Tender and Contracts Finder.
Hire of primary treatment equipment (lamella)
Siltbuster Limited · 2026-09-11
Purchase of Biodiversity Performance Commitment (BPC) Units
Aspect Nature Reserve Limited · 2026-08-05
£494K
Customer Research Services Framework
RED C RESEARCH LTD · 2026-08-02
prj_6961 Business Management Consultancy Framework - Lot 1b Regulatory Economic Advisory & Modelling
WSP UK Limited · 2026-07-09
£8.0M
prj_6961 Business Management Consultancy Framework - Lot 1a Regulatory Advice
Qasr Limited · 2026-07-09
£11.2M
prj_6961 Business Management Consultancy Framework - Lot 3b Financial Services
GRANT THORNTON UK ADVISORY & TAX LLP · 2026-07-09
£8.0M
prj_6961 Business Management Consultancy Framework - Lot 3a General Tax
CUMMING GROUP INFRASTRUCTURE LTD · 2026-07-09
£3.2M
prj_6961 Business Management Consultancy Framework - Lot 2 Procurement & Commercial
TURNER & TOWNSEND INFRASTRUCTURE LIMITED · 2026-07-09
£24.0M
Low Voltage Monitoring
EA Technology Ltd · 2026-07-02
£783K
Habitats Regulations Assessment (HRA) for the Solent Waders & Brent Geese Site Mitigation
Wild Capital 1 Ltd · 2026-06-21
£1.3M
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Open opportunities
Open Southern Water Services Limited tenders
Tenders currently inviting bids. SMEs can respond via the official tender portal.
Managed Detection and Response Tender
Deadline: 2026-09-21
Warehouse racking supply maintenance and inspection
Deadline: 2026-10-07
£800K
Boundary Boxes
Deadline: 2026-10-07
Pipeline
Contracts expiring in the next 12 months
When these contracts end, Southern Water Services Limited typically re-tenders. SMEs preparing bids 3-6 months ahead win disproportionately often.
Software Implementation Partner
Expires: 2026-11-30
PASSIVE SAMPLING ANALYSIS OF INLETS/OUTLETS
Expires: 2026-12-22
£1.7M
CENTAUR for CSO Spill and Water Quality Compliance – Phase 2
Expires: 2027-02-20
SUPPORT AND MAINTENANCE SERVICES FOR THERMAL HYDROLYSIS PROCESS PLANT
Expires: 2027-05-14
£874K
Low Voltage Monitoring
Expires: 2027-07-02
£783K
Hire of primary treatment equipment (lamella)
Expires: 2027-09-02
Market analysis
Bidding into Southern Water Services Limited — what to expect
Supplier concentration and timing patterns that shape SME bid strategy.
64%
Awards to SMEs
44%
Top-5 supplier share
0%
Framework call-offs
—
Awards to social enterprises
Around 64% of Southern Water Services Limited’s classified awards go to small and medium-sized enterprises.
Frequently asked
Common questions about selling to Southern Water Services Limited
How much does Southern Water Services Limited spend on procurement?
Southern Water Services Limited awarded 59 contracts totalling £415.0M between 2023-09-15 and 2026-09-15, working with 48 unique suppliers. Average contract value is £11.2M.
Who are Southern Water Services Limited's top suppliers?
The largest suppliers to Southern Water Services Limited by total award value are AAA BUILDING AND CIVIL ENGINEERS LIMITED, ALLEN (FENCING) LIMITED,, LITTLEWOODS FENCING LIMITED. The top five suppliers together hold 44% of contract value.
What does Southern Water Services Limited buy from suppliers?
Southern Water Services Limited's procurement is concentrated in radio, television, communication, telecommunication and related equipment, security, fire-fighting, police and defence equipment, chemical products, alongside specialist categories. See the full CPV breakdown below.
How can my business bid for Southern Water Services Limited contracts?
Southern Water Services Limited 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.
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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 Limited'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 2026-09-15
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.