System operational · UK tenders

Buyer profile

SONI Ltd

privateUKN0EenglandGB

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Total contracts

21

Known spend

£220m

20 disclosed

Average value

£11m

Per contract

Active suppliers

10

Last 5 years

Open3Awarded6Closed11

Top suppliers

Last 5 years
  1. 1

    Lisburn Solar Power

    1 winlatest 01 Sept 2026

    £9m

  2. 2

    GridBeyond Limited

    1 winlatest 01 Sept 2026

    £6m

  3. 3

    Craiggore Energy Limited

    1 winlatest 01 Sept 2026

    £6m

  4. 4

    Envishagaran Wind Farm LTD

    1 winlatest 01 Sept 2026

    £6m

  5. 5

    CBRE GWS (Ireland) Limited

    1 winlatest 10 Sept 2025

    £4m

  6. 6

    iPower Flexible Energy Ltd

    1 winlatest 01 Sept 2026

    £3m

  7. 7

    Horizon Seven Consulting Limited

    1 winlatest 26 Aug 2026CH 11569047

    £750,000

  8. 8

    Wheelhouse energy (NI) Limited

    1 winlatest 09 Mar 2026

    £641,145

  9. 9

    Altamuskin Windfarm Limited

    1 winlatest 09 Mar 2026

    £641,145

  10. 10

    Orsted Onshore UK Limited

    1 winlatest 09 Mar 2026

    £641,145

What they buy

By CPV category
  • Business servicesCPV 79

    2 contracts · £4m

Tender activity

Notices published per month — last 24 months

12 active months
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All contracts (21)

S
OpenPrivate tender
ocds-h6vhtk-077de7 · tender

SONI091 corporate computing and infrastructure framework

SONI Ltd
Northern Ireland

SONI is seeking to appoint up to three (3) suppliers to a closed, multi-supplier Framework Agreement for the provision of Corporate Computing goods and directly associated services

£Up to £13,750,000
⏱ 13 Nov 2026
Posted · 1w ago31d to apply →
S
OpenPrivate tender
ocds-h6vhtk-077d77 · tender

SONI092 – workplace technology services

SONI Ltd
Northern Ireland

SONI is seeking to appoint a single Supplier per Lot under separate Contracts for the provision of Workplace Technology Services (comprising Audio Visual Services and Managed Print

£Up to £2,120,000
⏱ 6 Nov 2026
Posted · 1w ago24d to apply →
S
OpenPrivate tender
ocds-h6vhtk-0773e9 · tender

SONI089 – software licensing & buying services

SONI Ltd
Northern Ireland

This document outlines the structured process being used by SONI in the selection of suppliers for the provision of Software Licensing & Buying Services. This document provides a d

£Up to £68,557,055
⏱ 30 Oct 2026
Posted · 3w ago17d to apply →
S
Private tender
ocds-h6vhtk-06b27f · award

SONI085 DS3 - gate 15

SONI Ltd
Northern Ireland

This Qualification System refers to the system that is in place to enable interested parties to submit a Response and subsequently qualify for award of Contract for provision of DS

££630,178 — £9,183,433
⏱ 17 Jul 2026
Posted · 1mo agoView details →
S
Private tender
ocds-h6vhtk-068473 · award

SONI077 cyber security governance partner and capacity services

SONI Ltd
Northern Ireland

SONI intends to establish a multi-Lot framework agreement for the provision of these services. Lot 1 – Cyber Security Governance Partner • Embedded Cyber Security Governance Partne

££250,000 — £350,000
⏱ 12 May 2026
Posted · 1mo agoView details →
S
Private tender
ocds-h6vhtk-06ef81 · tender

SONI087 IT systems implementation & managed services

SONI Ltd
Northern Ireland

SONI wishes to appoint an appropriately qualified and experienced Supplier (or consortium) to deliver outcomes aligned to the successful establishment and ongoing operation of SONI

£Up to £18,000,000
⏱ 30 Sept 2026
Posted · 1mo agoView details →
S
Private tender
ocds-h6vhtk-06c397 · award

SONI084 IT sourcing & procurement advisory services

SONI Ltd
Northern Ireland

SONI is seeking to appoint a Sourcing and Procurement Advisory provider to plan, manage, and execute competitive procurement processes across the IT Separation Programme workstream

£Up to £750,000
⏱ 31 Jul 2026
Posted · 1mo agoView details →
S
Private tender
ocds-h6vhtk-06c450 · tenderUpdate

SONI087 IT systems implementation & managed services

SONI Ltd
Northern Ireland

SONI is required by the Utility Regulator, as a result of the recently introduced TSO licence condition 42, to work with EirGrid in establishing a shared Corporate IT working frame

£Up to £3,600,000
⏱ 14 Aug 2026
Posted · 2mo agoView details →
S
Private tender
ocds-h6vhtk-06bb4d · planningUpdate

ENQEIR993: market consultation - embedded PV sample data

SONI Ltd
Northern Ireland

The objective of this Market Research is to search for suppliers capable of delivering a continuous feed of representative embedded PV generation data that meets the following outc

£Up to £200,000
Posted · 2mo agoView details →
S
Private tender
ocds-h6vhtk-069f4a · tenderUpdate

SONI081 learning & development services

SONI Ltd
Northern Ireland

SONI is looking to partner with a Learning and Development (L&D) Company/ Companies to facilitate the People & Place strategy for its employees, in order to implement a single lear

£Up to £275,000
⏱ 10 Jun 2026
Posted · 4mo agoView details →
S
Private tender
ocds-h6vhtk-06a8c9 · tender

SONI078 low carbon inertia services in northern ireland - phase 2

SONI Ltd
Northern Ireland

SONI has the responsibility as the Transmission System Operator (TSO) under its license to operate and plan the development of the electricity transmission network. This requires S

£Up to £7,310,000
⏱ 30 Jun 2026
Posted · 4mo agoView details →
S
Private tender
ocds-h6vhtk-05f475 · award

SONI074 DS3 system services – volume capped – gate 14

SONI Ltd
Northern Ireland

Following review by the Regulatory Authorities of the TSOs’ Report on Ensuring a Secure, Reliable and Efficient Power System in July 2011 the TSOs were requested by the SEM Committ

£Up to £1,066,735
⏱ 15 Jan 2026
Posted · 6mo agoView details →
S
Private tender
ocds-h6vhtk-066a99 · tender

ENQEIR997 FASS credit management services

SONI Ltd
Northern Ireland

This notice does not commence a competitive tendering process. For the detailed requirements and relevant documentation, please see the Call for Competition, published on https://w

£Up to €1,071,453
⏱ 10 Apr 2026
Posted · 7mo agoView details →
S
Private tender
ocds-h6vhtk-065c9c · tender

SONI069 environmental & planning services

SONI Ltd
Northern Ireland

SONI wishes to appoint appropriately qualified and experienced consultants to provide Public Planning, Ecology and Environmental services, primarily pursuant to SONI’s statutory fu

£Up to £8,900,000
⏱ 25 Mar 2026
Posted · 7mo agoView details →
S
Private tender
ocds-h6vhtk-060a12 · tender

SONI071 – DS3 system services qualifications trial process 2025

SONI Ltd
Northern Ireland

The Qualification Trial Process (QTP) is an important process for contributing to the transition from a fossil fuel powered system to a sustainable renewable power system. The QTP

£Up to £350,000
⏱ 2 Mar 2026
Posted · 8mo agoView details →
S
ocds-h6vhtk-05d699 · tender

ENQEIR983 FASS credit management services

SONI Ltd
Northern Ireland

This notice does not commence a competitive tendering process. For the detailed requirements and relevant documentation, please see the Call for Competition, published on OJEU ref

£Up to €1,071,453
⏱ 28 Nov 2025
Posted · 11mo agoView details →
S
ocds-h6vhtk-04b38f · award

SONI046 legal services framework

SONI Ltd
services

Provision of Legal Services A full range of Northern Ireland Legal services and advice, including but not limited to Construction; Environmental; Procurement/Competition; Property;

£On request
Posted · 13mo agoView details →
S
ocds-h6vhtk-047e3e · award

SONI039 -workplace and facilities management (FM) services

SONI Ltd
servicesNorthern Ireland

SONI wishes to establish a Single Supplier Framework for a suitably qualified Facilities Management Provider covering the following services: General Services - Workplace and Facil

£Up to £3,741,614
Posted · 13mo agoView details →
S
Private tender
ocds-h6vhtk-055192 · tender

SONI064 – DS3 system services – volume capped – gate 13

SONI Ltd
Northern Ireland

Following review by the Regulatory Authorities of the TSOs’ Report on Ensuring a Secure, Reliable and Efficient Power System in July 2011 the TSOs were requested by the SEM Committ

£Up to €79,685,074
⏱ 23 Jul 2025
Posted · 15mo agoView details →
S
Private tender
ocds-h6vhtk-054fdc · tender

SONI063 – public affairs & stakeholder relations support

SONI Ltd
Northern Ireland

Refer to Request for Proposal attached for Scope of Work and other details

£Up to £336,000
⏱ 30 Jul 2025
Posted · 16mo agoView details →