Source: https://tendernation.io/opportunities/01a13d1a-116f-723c-bc8f-dfc7e768279a/external-security-incident-and-event-management-siem-security-operations-cen awarded GB negotiated without publication procedure Suitable for SMEs # External Security Incident and Event Management (SIEM) & Security Operations Centre (SOC) Support Monitoring Service [O F W A T](https://tendernation.io/buyers/o-f-w-a-t) Estimated value Not stated Published 28 Jan 2026 Deadline Closed 2 Dec 2025 ## Who can bid - Buyer says suitable for SMEs The buyer ticked “suitable for SMEs” on the notice. Anyone can still bid. [More contracts for small businesses and VCSEs](https://tendernation.io/opportunities/for-small-businesses) ## About this tender Ofwat currently operates an internal Security Operations Centre (SOC) within its security team, responsible for monitoring the organisation's SIEM (Security Incident and Event Management) platform. The internal SOC operates during business hours Monday to Friday 9-5pm. To strengthen resilience and deliver comprehensive round-the-clock coverage, enabling full 24/7 security operations, Ofwat now requires a Managed external SIEM and SOC capability to deliver threat detection, analysis, and incident response. This service will operate as an extension of Ofwat's internal security team, offering advanced analytics, threat intelligence, and compliance reporting. ## CPV classification Information technology services Source Contracts Finder (UK) [View official notice](https://www.contractsfinder.service.gov.uk/notice/4698dc31-b7df-4c55-b769-c3ce83556e86) Never miss a tender like this again Get AI summaries, deadline alerts and a bid pipeline for tenders matched to your business. Free to start. [Track tenders free](https://tendernation.io/register) [Buyer profile O F W A T: past awards and live tenders](https://tendernation.io/buyers/o-f-w-a-t) [Sector More IT services tenders](https://tendernation.io/sectors/it-services) ## More tenders like this [SONI090 – Client-Side Advisor · SONI Ltd · 32 days left · 20 Nov 2026](https://tendernation.io/opportunities/01a154e4-4736-72ba-9b73-0e325c4a96e5/soni090-client-side-advisor) [Computer facilities management services – IT-tjänster · Kalmar Läns Museum · 28 days left · 16 Nov 2026](https://tendernation.io/opportunities/01a15183-8774-723e-83a8-af2cae60c2ed/sweden-computer-facilities-management-services-it-tjanster) [Software supply services – CRE\_2026\_092 Renouvellement des licences Varonis · CREOS Luxembourg S.A. · 27 days left · 15 Nov 2026](https://tendernation.io/opportunities/01a15183-411c-7086-9da9-540c2fa32c64/luxembourg-software-supply-services-cre-2026-092-renouvellement-des-licences) [IT services: consulting, software development, Internet and support – Integrale ICT-dienstverlening · Stichting TWijs · 42 days left · 30 Nov 2026](https://tendernation.io/opportunities/01a15183-8078-70d7-8df3-40f25f4d83c5/netherlands-it-services-consulting-software-development-internet-and-suppor) [Software supply services – Vergabe zur Ablösung der bestehenden SAP-Lösung im Bereich Personal · Westfälische Verkehrsgesellschaft mbH · 28 days left · 16 Nov 2026](https://tendernation.io/opportunities/01a15183-0636-71ff-ab09-9dda4a94f77c/germany-software-supply-services-vergabe-zur-ablosung-der-bestehenden-sap-lo) [Software implementation services – DNS - Metada Platform - licence a související implementační, konzultační, analytické a školicí služby · DIAMO, státní podnik · 35 days left · 23 Nov 2026](https://tendernation.io/opportunities/01a15183-8989-719a-85fd-f036dc09b9df/czechia-software-implementation-services-dns-metada-platform-licence-a-s)