Buyer profile
Southern Water Services Limited
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Total contracts
62
Known spend
£3bn
34 disclosed
Average value
£87m
Per contract
Active suppliers
10
Last 5 years
Top suppliers
Last 5 years- 1
STANTEC UK LIMITED
2 winslatest 10 Jul 2026£11m
- 2
Wild Capital 1 Ltd
£3m
- 3
AAA BUILDING AND CIVIL ENGINEERS LIMITED
£60m
- 4
D R CLARK SERVICES LLP
£60m
- 5
G & L ENVIRONMENTAL LTD
£60m
- 6
C J THORNE & CO LIMITED
£60m
- 7
Tone Scaffolding Services Limited
1 winlatest 16 Mar 2026£44m
- 8
Formula Scaffolding Ltd
1 winlatest 16 Mar 2026£44m
- 9
TURNER & TOWNSEND INFRASTRUCTURE LIMITED
£24m
- 10
GARDINER & THEOBALD LLP
£24m
What they buy
By CPV categoryRadio, TV & telecomsCPV 32
1 contract · £2m
Repair & maintenanceCPV 50
1 contract
Electrical equipmentCPV 31
1 contract
Tender activity
Notices published per month — last 24 months
All contracts (62)
Hwtwrp continued ME4
The Hampshire Water Transfer and Water Recycling Project (The Project) is a Strategic Resource Option (SRO) and a major part of Southern Water’s long-term strategy to address the s
Southern water customer services RFI
Services and technology to support customer services
Hydraulic model verification
Purchase of Hydraulic Modelling Verification services.
Vibration monitoring
Southern Water is undertaking a pre-market engagement exercise to understand current market capabilities for vibration monitoring solutions across water and wastewater assets. The
Isle of wight water recycling plant biodiversity net gain
The habitat units must be secured and purchased prior to the commencement of construction activities in order to satisfy planning requirements and enable discharge of the Biodivers
Prj_7119 - natural gas supply (non-domestic)
Southern Water Services Limited (SWS) is seeking to award a single supplier Ofgem licenced supplier for provision of natural gas to all sites within their portfolio, in accordance
Prj_6010 - telemetry framework lots 5a, 5b and 5c
Southern Water Services is buying remote telemetry outstations (field devices) with battery backup for monitoring, controlling and diagnosing water and wastewater assets, both large and small, plus related spare parts and support services.
Boundary boxes
Supply of standard and non-standard boundary boxes. Supply of 25mm standard boundary boxes and associated components for use within Southern Water's water distribution network, sup
Hire of primary treatment equipment (lamella)
A short term contract for Hire/purchaset of primary treatment units (lamella) until the full Filtration framework is established.
Marketing & communications - dynamic market intention
A Marketing & Communications Dynamic Market Scope designed to provide access to a comprehensive range of specialist marketing, communications, digital, branding, reporting, and sta
RFI - data centre transformation & rationalisation programme
Southern Water is developing a programme to transform and rationalise its data centre estate. This Request for Information (RFI) is a preliminary market engagement exercise under t
Warehouse racking supply maintenance and inspection
The nature of the work required is to design, supply, erect, install, inspect, remove, manage H&S regs (but not limited to) of all Warehouse racking, install and certification requ
Standpipes hire
The services to be provided by the Supplier are: • The external and internal hire of temporary metered standpipes as detailed in section 1.5.3 (Standpipe Specification), to Souther
Managed detection and response tender
The objective of this tender is to select a single supplier to provide a combined Managed Detection and Response (MDR) service covering SWS’ Corporate/IT and Operational Technology
Purchase of biodiversity performance commitment (BPC) units
The purchase of 19 Biodiversity Performance Commitment (BPC) Units.
Customer research services framework
SWS intends to establish a framework panel whom have the expertise to support the company's objectives. The objective of this tender is to select suppliers to provide customer rese
Southern water fuel card services
Southern Water is seeking information on solutions for Fuel Card services. We operate a fleet of circa 1200 vehicles, 1000 of them being Light Commercial Vehicles. Our current fuel
Business management consultancy
Southern Water Services are seeking to establish a framework panel whom have the expertise to support the companies ambitions. SWS are seeking business management consultancy & rel
Smart systems project - request FOR information
Introduction and purpose of the RFI Background For Southern Water, Smart Systems is a major transformation programme and strategic priority spanning the whole water cycle. We recen
Odour control & ventilation - supply, maintenance, spares and hire
Tender to procure services for the following combined scope of work; Supply, planned and reactive maintenance, of Odour Control Assets. Supply, planned and reactive maintenance, of