UK Link System
Connecting the complex systems that are essential for Britain's competitive retail gas market.
Accessing UK Link
Access to UK Link is through the.
Only authorised users can use UK Link.
Please be aware, in September 2022 the Xoserve Services Portal is changing as we move to the cloud - read the latest project news.
Authorised user groups
Authorised user groups of the UK Link System include:
- UNC parties
- Meter readers
- User agents
- Delivery facility operators and connected system operators
- Meter Asset Providers
- Meter Asset Managers
To gain access, your Local Security Officer (LSO) will need to complete and return a Secure Site Access Request form.
Access for third parties
Access can also be provided for third parties who don't fall into any of the authorised user groups. Users will need to sign the UK Link User Agreement.
If you require access to the UK Link System, please email us.
UK Link System
UK Link connects the complex information, technology and communications systems that are essential to the successful competitive retail gas market in Britain. The suite, which is used and managed by us in our role as Central Data Service Provider (CDSP), ensures the industry operates smoothly, effectively and efficiently, and in accordance with the Uniform Network Code (UNC).
The component parts of UK Link are:
- Information Exchange (IX)
- system application
- Contact Management Service (CMS)
- Data Enquiry Service (DES)
- online services
We support and manage the evolution of UK Link through our UK Link Releases.
As part of our Change Programme, it assures the UK Link System for the future, effectively responding to the challenging, fluid and exciting demands of the gas market of Great Britain.
List of UK Link organisations
This document contains the latest list of organisations that are registered in our UK Link System. Organisations such as Shippers, Traders, Suppliers, Meter Asset Managers, Meter Asset Providers, Automated Meter Reading Service Providers and Smart Metering System Operators.
Data Permissions Matrix (DPM)
The UK Link DPM is the register of data items held in our Central Data Service Provider (CDSP) systems that each user type is entitled to access.
The supporting DPM Conditionality Document provides a summary of the DPM user types, and details any specific conditionality agreed by the DSC Contract Management Committee (CoMC) when allowing user types access to data.
UK Link Defect Release Management Schedule
This document lists all the software defects on our UK Link System since 1 June 2017 and their current status.
Priority 1 (critical files) within UK Link
This document shows a list of file types that have been classified as Priority 1 (P1) files. These are files that are subject to a service level agreement, or form part of a timebound process, where a delay in the processing of the file could cause process failures.
During planned outages, or when a system failure occurs, we consider these files when planning catch-up activities and when we make priority calls to process any backlogs.
Xoserve Services Portal migration
In September 2022 the Xoserve Services Portal is changing as we move to the cloud. Read the latest project update below.
Log in to UK Link
Access UK Link through the Xoserve Services Portal.
MAP IDs are now part of UK Link following the November 2021 Major Release.
Find out more on the MAM/MAP file transfer mechanism page.