Tender

Technology Services Specialist Framework (TSSF)

SOUTHERN WATER SERVICES LIMITED

This public procurement record has 1 release in its history.

Tender

16 Jan 2026 at 12:33

Summary of the contracting process

Southern Water Services Limited is currently in the tender stage for the "Technology Services Specialist Framework (TSSF)", aiming to enhance its digital capabilities across Worthing, UK. The procurement process is open and operates within a competitive flexible procedure, allowing interested parties to submit their tenders electronically by 26th February 2026. The framework, classified under IT services such as consulting, software development, and internet support, seeks to cover a wide array of digital transformation needs. Key industry categories involved include IT consulting, software development, and digital transformation services. The framework intends to modernise Southern Water's technology services to optimise digital transformation, with a contract period extending from 3rd July 2026 to 2nd July 2029. The overall value of the procurement is set at GBP 360 million, with an award period ending on 11th June 2026.

This tender presents significant opportunities for businesses specialising in IT services, particularly those with expertise in delivering technology solutions across various domains like customer platforms, data & analytics, integration, and cyber security. The framework requires supplying services for multiple Lots, which can bolster a company's presence in the utilities sector, facilitating access to a long-term contract under the UK procurement regime. Small and medium enterprises (SMEs) are particularly encouraged to participate, as many Lots support their candidacy. Suppliers with strengths in project management, agile delivery, AI, cloud hosting, and security stand to benefit by being able to cater to specific needs within Southern Water's digital transformation agenda, therefore driving business growth and capacity development.

How relevant is this notice?

Notice Information

Notice Title

Technology Services Specialist Framework (TSSF)

Notice Description

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 within a pool of pre-qualified service providers without the need to embark on a formal Procurement Act 23 process at individual project level. To facilitate this, the intention is that the successful bidders will be awarded a place on the Technology Services Specialist Framework Agreement. SWS will retain the right to compete work outside the pool of pre-qualified service providers (i.e. Procurement Act '23 process) where appropriate (e.g. where the pre-qualified service providers do not have the capability to deliver the services required by SWS or the price secured within the pool is not judged by SWS to be market competitive). Some of the key objectives of the framework include: * Establish a single route to market that covers requirements that Southern Water has for Technology Services Specialist providers and resources * Support quick access to the right resources, in order to support Digital project objectives and deliver ongoing "run" activities * Modernise contracts * Increasing the use of outcome-based delivery and managed services * Deliver the optimum selection of specialist partners * Support the Digital transformation agenda, including the best partners for future roadmap; updated and flexible engagement models incl. managed services and suppliers aligned to target operating model * Provide routes to market for Change Portfolio requirements A key objective of this procurement process for Southern Water is to deliver the optimum selection of specialist partners. We would like to select and work with suppliers, who have deep capabilities in particular areas and domain expertise. Suppliers can bid on multiple Lots relevant to their capabilities up to a maximum of 3 Lots.

Lot Information

Customer & Corporate

SWS seek specialist partners providing deep expertise in Customer & Corporate platforms such as SAP ECC/CRM/BAS, ServiceNow, web channels, and supporting corporate systems. Focused on targeted enhancements, engineering, analysis, support and automation, enabling high-quality improvements and domain-specific capability across customer and corporate processes. Estimated Lot Value PS2m to PS5m per annum

Renewal: The procedure will follow the standard Open Framework model as described under The Procurement Act 2023.

Wholesale

SWS seek specialist partners providing deep expertise in Wholesale platforms and OT-adjacent technologies--Maximo, ArcGIS, PI, ThingWorx and bespoke operational apps. Focused on targeted engineering, enhancements, data-driven improvements, smart asset/smart network enablement, and modernisation of legacy systems to elevate operational performance and field service experience. Estimated Lot Value PS4m to PS8m per annum

Renewal: The procedure will follow the standard Open Framework model as described under The Procurement Act 2023.

Data & Analytics & AI

SWS seek specialist partners providing deep expertise in data engineering, analytics, BI development, governance and emerging AI capabilities. Focused on targeted delivery of pipelines, models, visualisation, semantic layer enablement, data quality, cataloguing and domain-specific insights - accelerating the organisation's shift to data-driven operations and AI-ready platforms. Estimated Lot Value PS2m to PS4m per annum

Renewal: The procedure will follow the standard Open Framework model as described under The Procurement Act 2023.

Integration

SWS seek specialist partners to deliver targeted, high-quality integration services across Southern Water's digital estate, enhancing and modernising integrations built on WebMethods, SAP PI/PO, API Gateway, MFT and FME. This Lot requires deep technical expertise to design and engineer scalable integrations, reduce technical debt, strengthen API and data security, modernise legacy ESB patterns, and enable cloud-ready, microservice-aligned integration approaches - supporting platform teams, improving B2B connectivity and accelerating safe, reliable change. Estimated Lot Value PS1m to PS2m per annum

Renewal: The procedure will follow the standard Open Framework model as described under The Procurement Act 2023.

Automation

SWS seek specialist partners to accelerate automation and AI adoption across Southern Water, delivering high-quality, scalable automations across Power Platform, RPA tools, Alteryx, Purview-aligned governance and emerging AI agentic capabilities. This Lot focuses on expert design, build and support of automation solutions, reducing manual effort in systems like Maximo, SAP, ArcGIS and Workday, while helping to mature the Automation & AI CoE through education, enablement, standards, reusable components and responsible AI practices. Estimated Lot Value PS1m to PS2m per annum

Renewal: The procedure will follow the standard Open Framework model as described under The Procurement Act 2023.

Digital Workspace & Colloboration

SWS seek specialist partners providing deep expertise in digital workplace technologies, delivering targeted engineering, automation, low-code solutions, migration support and optimisation across Microsoft 365, SharePoint Online, Windows 11, VDI and collaboration tools. Focus is on shaping user experience, enhancing productivity, modernising legacy estates, enabling citizen developers, and supporting niche workplace capabilities needed across diverse user personas and operational environments. Estimated Lot Value PS1m to PS3m per annum

Renewal: The procedure will follow the standard Open Framework model as described under The Procurement Act 2023.

Networks, Compute & Cloud Hosting

SWS seek specialist partners providing deep expertise across specific network, cloud, compute or security domains - supporting targeted engineering, optimisation, migration, resilience uplift, and niche operational capabilities. This includes specialist skills in Azure, VMware, Cisco/Meraki/ISE, firewalls, storage/backup platforms, Kubernetes/OpenShift, OT-safe connectivity, observability tooling and security services. Focus is on precision technical delivery, modernisation of legacy infrastructure components, and specialist support for complex hybrid IT/OT environments. Estimated Lot Value PS3m to PS7m per annum

Renewal: The procedure will follow the standard Open Framework model as described under The Procurement Act 2023.

InfoSec & Cyber Security Services

SWS seek specialist partners delivering deep cyber expertise, providing targeted services in SecOps, threat intelligence, penetration testing, risk assessments, security architecture, governance & assurance, and OT-specific NIS compliance activities. Focused on precision technical support--augmenting in-house teams, improving security posture, and introducing advanced defensive techniques, threat modelling, and security consultancy for complex hybrid IT/OT environments. Estimated Lot Value PS2m to PS4m per annum

Renewal: The procedure will follow the standard Open Framework model as described under The Procurement Act 2023.

Site Based OT

SWS seek specialist partners to modernise and deliver site-based Operational Technology across Southern Water's treatment works and network sites. This Lot requires deep expertise in PLC, HMI, SCADA, telemetry, RTUs, Process Control Networks, OT networking, segmentation and NIS-aligned remediation, as well as hands-on engineering, installation, commissioning and minor civils. The partner will support the uplift of legacy OT systems to secure, standardised, fully supported platforms - driving improved visibility, governance, resilience, and operational performance across a multi-site regulated OT estate. Estimated Lot Value PS2m to PS4m per annum

Renewal: The procedure will follow the standard Open Framework model as described under The Procurement Act 2023.

Managed Services

SWS seek specialist partners providing targeted, high-quality capability augmentation across Project & Programme Management, Agile Delivery, Business Analysis, Solution Architecture and Testing/Quality Assurance. This Lot focuses on supplying skilled practitioners and mature delivery practices to complement Southern Water's in-house Digital teams - enhancing capacity, consistency and speed of change across a diverse annual portfolio. Partners bring specialist frameworks, tooling, and domain expertise to uplift delivery maturity, improve outcomes, and strengthen end-to-end change capability across all business and technology domains. Estimated Lot Value PS4m to PS6m per annum

Renewal: The procedure will follow the standard Open Framework model as described under The Procurement Act 2023.

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-060795
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/003861-2026
Current Stage
Tender
All Stages
Tender

Procurement Classification

Notice Type
UK4 - Tender Notice
Procurement Type
Framework
Procurement Category
Services
Procurement Method
Open
Procurement Method Details
Competitive flexible procedure
Tender Suitability
SME
Awardee Scale
Not specified

Common Procurement Vocabulary (CPV)

CPV Divisions

72 - IT services: consulting, software development, Internet and support


CPV Codes

72000000 - IT services: consulting, software development, Internet and support

Notice Value(s)

Tender Value
£360,000,000 £100M-£1B
Lots Value
£360,000,000 £100M-£1B
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
16 Jan 20263 days ago
Submission Deadline
26 Feb 20262 months to go
Future Notice Date
Not specified
Award Date
Not specified
Contract Period
2 Jul 2026 - 2 Jul 2029 3-4 years
Recurrence
Not specified

Notice Status

Tender Status
Active
Lots Status
Active
Awards Status
Not Specified
Contracts Status
Not Specified

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
SOUTHERN WATER SERVICES LIMITED
Contact Name
Not specified
Contact Email
graham.knight@southernwater.co.uk
Contact Phone
Not specified

Buyer Location

Locality
WORTHING
Postcode
BN13 3NX
Post Town
Brighton
Country
England

Major Region (ITL 1)
TLJ South East (England)
Basic Region (ITL 2)
TLJ2 Surrey, East and West Sussex
Small Region (ITL 3)
TLJ27 West Sussex (South West)
Delivery Location
Not specified

Local Authority
Worthing
Electoral Ward
Northbrook
Westminster Constituency
Worthing West

Open Contracting Data Standard (OCDS)

View full OCDS Record for this contracting process

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The Open Contracting Data Standard (OCDS) is a framework designed to increase transparency and access to public procurement data in the public sector. It is widely used by governments and organisations worldwide to report on procurement processes and contracts.

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                        }
                    ]
                },
                "selectionCriteria": {
                    "criteria": [
                        {
                            "type": "technical",
                            "description": "- Adherence to ISO 27001 and NCSC cloud security principles - Compliance with UK data protection regulations (GDPR) - Use of industry best practices for end user compute - ITIL and automation best practices - Use of Microsoft Purview for data classification, lineage tracking, and policy enforcement across automated workflows - Integration with Power Platform and Azure services to ensure data governance is embedded in automation design"
                        }
                    ]
                },
                "suitability": {
                    "sme": true
                },
                "contractPeriod": {
                    "startDate": "2026-07-03T00:00:00+01:00",
                    "endDate": "2029-07-02T23:59:59+01:00",
                    "maxExtentDate": "2034-07-02T23:59:59+01:00"
                },
                "hasRenewal": true,
                "renewal": {
                    "description": "The procedure will follow the standard Open Framework model as described under The Procurement Act 2023."
                }
            },
            {
                "id": "5",
                "title": "Digital Workspace & Colloboration",
                "description": "SWS seek specialist partners providing deep expertise in digital workplace technologies, delivering targeted engineering, automation, low-code solutions, migration support and optimisation across Microsoft 365, SharePoint Online, Windows 11, VDI and collaboration tools. Focus is on shaping user experience, enhancing productivity, modernising legacy estates, enabling citizen developers, and supporting niche workplace capabilities needed across diverse user personas and operational environments. Estimated Lot Value PS1m to PS3m per annum",
                "status": "active",
                "value": {
                    "amountGross": 28800000,
                    "amount": 24000000,
                    "currency": "GBP"
                },
                "awardCriteria": {
                    "criteria": [
                        {
                            "type": "quality",
                            "name": "Technical",
                            "numbers": [
                                {
                                    "number": 70,
                                    "weight": "percentageExact"
                                }
                            ]
                        },
                        {
                            "type": "cost",
                            "name": "Commercial",
                            "numbers": [
                                {
                                    "number": 30,
                                    "weight": "percentageExact"
                                }
                            ]
                        }
                    ]
                },
                "selectionCriteria": {
                    "criteria": [
                        {
                            "type": "technical",
                            "description": "- Adherence to ISO 27001 and NCSC cloud security principles - Compliance with UK data protection regulations - Use of industry best practices for end user compute"
                        }
                    ]
                },
                "suitability": {
                    "sme": true
                },
                "contractPeriod": {
                    "startDate": "2026-07-03T00:00:00+01:00",
                    "endDate": "2029-07-02T23:59:59+01:00",
                    "maxExtentDate": "2034-07-02T23:59:59+01:00"
                },
                "hasRenewal": true,
                "renewal": {
                    "description": "The procedure will follow the standard Open Framework model as described under The Procurement Act 2023."
                }
            },
            {
                "id": "6",
                "title": "Networks, Compute & Cloud Hosting",
                "description": "SWS seek specialist partners providing deep expertise across specific network, cloud, compute or security domains - supporting targeted engineering, optimisation, migration, resilience uplift, and niche operational capabilities. This includes specialist skills in Azure, VMware, Cisco/Meraki/ISE, firewalls, storage/backup platforms, Kubernetes/OpenShift, OT-safe connectivity, observability tooling and security services. Focus is on precision technical delivery, modernisation of legacy infrastructure components, and specialist support for complex hybrid IT/OT environments. Estimated Lot Value PS3m to PS7m per annum",
                "status": "active",
                "value": {
                    "amountGross": 67200000,
                    "amount": 56000000,
                    "currency": "GBP"
                },
                "awardCriteria": {
                    "criteria": [
                        {
                            "type": "quality",
                            "name": "Technical",
                            "numbers": [
                                {
                                    "number": 70,
                                    "weight": "percentageExact"
                                }
                            ]
                        },
                        {
                            "type": "cost",
                            "name": "Commercial",
                            "numbers": [
                                {
                                    "number": 30,
                                    "weight": "percentageExact"
                                }
                            ]
                        }
                    ]
                },
                "selectionCriteria": {
                    "criteria": [
                        {
                            "type": "technical",
                            "description": "- ISO 27001, NCSC Cloud Security Principles, Cyber Essentials Plus - UK Data Protection legislation including GDPR - Southern Water's internal IT governance frameworks - Industry-standard best practices (e.g., TOGAF, ITIL, DevSecOps and relevant Azure certifications)"
                        }
                    ]
                },
                "suitability": {
                    "sme": true
                },
                "contractPeriod": {
                    "startDate": "2026-07-03T00:00:00+01:00",
                    "endDate": "2029-07-02T23:59:59+01:00",
                    "maxExtentDate": "2034-07-02T23:59:59+01:00"
                },
                "hasRenewal": true,
                "renewal": {
                    "description": "The procedure will follow the standard Open Framework model as described under The Procurement Act 2023."
                }
            },
            {
                "id": "7",
                "title": "InfoSec & Cyber Security Services",
                "description": "SWS seek specialist partners delivering deep cyber expertise, providing targeted services in SecOps, threat intelligence, penetration testing, risk assessments, security architecture, governance & assurance, and OT-specific NIS compliance activities. Focused on precision technical support--augmenting in-house teams, improving security posture, and introducing advanced defensive techniques, threat modelling, and security consultancy for complex hybrid IT/OT environments. Estimated Lot Value PS2m to PS4m per annum",
                "status": "active",
                "value": {
                    "amountGross": 38400000,
                    "amount": 32000000,
                    "currency": "GBP"
                },
                "awardCriteria": {
                    "criteria": [
                        {
                            "type": "quality",
                            "name": "Technical",
                            "numbers": [
                                {
                                    "number": 70,
                                    "weight": "percentageExact"
                                }
                            ]
                        },
                        {
                            "type": "cost",
                            "name": "Commercial",
                            "numbers": [
                                {
                                    "number": 30,
                                    "weight": "percentageExact"
                                }
                            ]
                        }
                    ]
                },
                "selectionCriteria": {
                    "criteria": [
                        {
                            "type": "technical",
                            "description": "- ISO/IEC 27001:2022 - NIS/CAF Compliance - ISE/IEC 62443"
                        }
                    ]
                },
                "suitability": {
                    "sme": true
                },
                "contractPeriod": {
                    "startDate": "2026-07-03T00:00:00+01:00",
                    "endDate": "2029-07-02T23:59:59+01:00",
                    "maxExtentDate": "2034-07-02T23:59:59+01:00"
                },
                "hasRenewal": true,
                "renewal": {
                    "description": "The procedure will follow the standard Open Framework model as described under The Procurement Act 2023."
                }
            },
            {
                "id": "8",
                "title": "Site Based OT",
                "description": "SWS seek specialist partners to modernise and deliver site-based Operational Technology across Southern Water's treatment works and network sites. This Lot requires deep expertise in PLC, HMI, SCADA, telemetry, RTUs, Process Control Networks, OT networking, segmentation and NIS-aligned remediation, as well as hands-on engineering, installation, commissioning and minor civils. The partner will support the uplift of legacy OT systems to secure, standardised, fully supported platforms - driving improved visibility, governance, resilience, and operational performance across a multi-site regulated OT estate. Estimated Lot Value PS2m to PS4m per annum",
                "status": "active",
                "value": {
                    "amountGross": 38400000,
                    "amount": 32000000,
                    "currency": "GBP"
                },
                "awardCriteria": {
                    "criteria": [
                        {
                            "type": "quality",
                            "name": "Technical",
                            "numbers": [
                                {
                                    "number": 70,
                                    "weight": "percentageExact"
                                }
                            ]
                        },
                        {
                            "type": "cost",
                            "name": "Commercial",
                            "numbers": [
                                {
                                    "number": 30,
                                    "weight": "percentageExact"
                                }
                            ]
                        }
                    ]
                },
                "selectionCriteria": {
                    "criteria": [
                        {
                            "type": "technical",
                            "description": "- Health & Safety - CDM / ISO / EUSR - Industrial Standards - IEC 62443 / IEC 61131/ ISA95 - Quality Management - Electrical Standards - NIC / WIMES - Compliance with all relevant UK regulation - Use of industry best practices ICS systems, network and infrastructure security - SWS MED and standard compliance of solutions"
                        }
                    ]
                },
                "suitability": {
                    "sme": true
                },
                "contractPeriod": {
                    "startDate": "2026-07-03T00:00:00+01:00",
                    "endDate": "2029-07-02T23:59:59+01:00",
                    "maxExtentDate": "2034-07-02T23:59:59+01:00"
                },
                "hasRenewal": true,
                "renewal": {
                    "description": "The procedure will follow the standard Open Framework model as described under The Procurement Act 2023."
                }
            },
            {
                "id": "9",
                "title": "Managed Services",
                "description": "SWS seek specialist partners providing targeted, high-quality capability augmentation across Project & Programme Management, Agile Delivery, Business Analysis, Solution Architecture and Testing/Quality Assurance. This Lot focuses on supplying skilled practitioners and mature delivery practices to complement Southern Water's in-house Digital teams - enhancing capacity, consistency and speed of change across a diverse annual portfolio. Partners bring specialist frameworks, tooling, and domain expertise to uplift delivery maturity, improve outcomes, and strengthen end-to-end change capability across all business and technology domains. Estimated Lot Value PS4m to PS6m per annum",
                "status": "active",
                "value": {
                    "amountGross": 57600000,
                    "amount": 48000000,
                    "currency": "GBP"
                },
                "awardCriteria": {
                    "criteria": [
                        {
                            "type": "quality",
                            "name": "Technical",
                            "numbers": [
                                {
                                    "number": 70,
                                    "weight": "percentageExact"
                                }
                            ]
                        },
                        {
                            "type": "cost",
                            "name": "Commercial",
                            "numbers": [
                                {
                                    "number": 30,
                                    "weight": "percentageExact"
                                }
                            ]
                        }
                    ]
                },
                "selectionCriteria": {
                    "criteria": [
                        {
                            "type": "technical",
                            "description": "- Adherence to ISO 27001 and relevant security principles - Compliance with UK data protection regulations - Compliance with relevant Southern Water policy and wider legislation - Use of industry best practices e.g. o PM: Prince2, MSP etc o Agile: SAFe, SCRUM, Kanban o BA: BCS, IIBA o SA: TOGAF, SABSA, UML o T&QA: ISO, IEEE"
                        }
                    ]
                },
                "suitability": {
                    "sme": true
                },
                "contractPeriod": {
                    "startDate": "2026-07-03T00:00:00+01:00",
                    "endDate": "2029-07-02T23:59:59+01:00",
                    "maxExtentDate": "2034-07-02T23:59:59+01:00"
                },
                "hasRenewal": true,
                "renewal": {
                    "description": "The procedure will follow the standard Open Framework model as described under The Procurement Act 2023."
                }
            }
        ],
        "documents": [
            {
                "id": "conflictOfInterest",
                "documentType": "conflictOfInterest",
                "description": "Not published"
            },
            {
                "id": "future",
                "documentType": "biddingDocuments",
                "accessDetails": "Documents for the ITT Stage will be provided via the Jaggaer Sourcing platform to suppliers who are downselected for this stage."
            },
            {
                "id": "003861-2026",
                "documentType": "tenderNotice",
                "noticeType": "UK4",
                "description": "Tender notice on Find a Tender",
                "url": "https://www.find-tender.service.gov.uk/Notice/003861-2026",
                "datePublished": "2026-01-16T12:33:47Z",
                "format": "text/html"
            }
        ],
        "contractTerms": {
            "financialTerms": "60 days"
        }
    },
    "language": "en"
}