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)
Habitats regulations assessment (HRA) solent waders & brent geese site mitigation
Habitats Regulations Assessment (HRA) to provide alternative land for Solent Wader & Brent Geese.
Low voltage monitoring
Purchase of low voltage monitoring tool that uses electrical analysis to assess the condition of our electrical circuits, check for water ingress and help us understand our load an
Alternative water & incident management - request for information (RFI)
Southern Water (SW) is seeking information from suppliers in relation to a potential procurement exercise. The information is not part of the procurement exercise, but your input w
Prj_8252 - andover link main - BNG
The project comprises a new 22.8 km underground water pipeline linking Crab Wood Water Service Reservoir (WSR) near Winchester to Micheldever Road WSR on the outskirts of Andover.
Market engagement notice - reservoir maintenance
Scope of Works includes planned and reactive maintenance, structural repairs, pipework renewals, membrane installations, and asset upgrades, with a core focus on ensuring asset int
Market engagement notice - biogas assets, digester maintenance and tanks
General Requirements – • Design and specification • Manufacture and/or supply • Installation and commissioning • Planned preventative maintenance (PPM) • Reactive maintenance and r
Collection & recovery services
We are seeking to establish a new Collections & Recovery Services Framework that supports a redesigned operating model. This framework will be flexible, scalable, and adaptable, en
Centaur for CSO spill and water quality compliance – phase 2
1. Implementation of innovative rainfall-enhanced flow release control to optimise system performance. 2. Installation of a CENTAUR gate at a suitable site to enable in-field demon
Sewer sealing request for information
Southern Water is committed to reducing storm overflows and managing the volume of water entering the sewer network. A key part of this strategy involves sealing sewers to limit wa
PA23 - UK5 - transparency notice THP services
The supplier will provide the service for daily operational maintenance and operational support in running the Steam Boiler/THP process plant. To including SW staff training, opera
Prj_7508 - filtration
SWS requires a supplier (or suppliers) capable of delivering supply & installation, full inspection, servicing, and overhaul of our complete filtration asset base across all suppor
Section 81 - manhole covers - market engagement notice
SW is seeking a supplying partner that can manage the full lifecycle management of Section 81 manhole cover covers and frames notifications across the Mainland and Isle of Wight. T
Winter gritting
Scope of Works - Southern Water is seeking a supplier for winter gritting services across the whole of its region - Sussex, Kent, Hampshire and Isle of Wight. The supplier must be
PA23 - UK4 - tender notice
Scope of Services 1. Background Southern Water (SW) is re tendering its existing Apprenticeships Framework under Procurement Act 2023 rules and separately running a procurement for
Open data RFI
Background Southern Water is undertaking a Data, Analytics and AI Transformation Programme to become the UK’s most data-intelligent water utility. A key pillar of this strategy is
Prj_7975 - blowers & compressors - supply & maintenance
The service required under this procurement are as follows: • Supply of Assets • Design, Installation and Commissioning • Planned Preventative Maintenance (PPM) • Reactive Maintena
Scaffolding tender (southern water)
The nature of the work required is to design, supply, erect, install, inspect, hire, remove, adopt, manage compliance, manage H&S regs (but not limited to) of all scaffolding requi
PRj_7030 minor civils
Services Required The Minor Civils Framework will support 3 main areas of the business for planned and reactive requirements for Water and Wastewater operations (across all region
Sustainable drainage and habitat restoration framework
The objective of this tender is select suppliers to provide Sustainable Drainage and Habitat Restoration services. Bidders may submit proposals for any or all of the following Lots
Technology services specialist framework (TSSF)
The objective of the tender is to select Specialist service providers who are capable of providing services for a maximum of 3 Lots, to enable SWS, at its election, to award work w