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MOSL is the market operator of England's non-household water market and is proud to work alongside our water company members to support them driving efficiency and innovation in water.


Market Codes

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The latest version of the market codes, the change process and consultations on changes.


Panel & Committees

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What the Panel does and meeting details, member biogs and panel committees



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Everything to do with the core IT system that underpins MOSL’s role within the new water market


Market Performance

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Key charts and information outlining market performance including switching and settlement

Join the MOSL team now!


We have recently moved our head office to Southampton and have some exciting opportunities to join our team. To find out more about our current vacancies and some of the benefits we offer, visit our dedicated Careers page.

You can also found out more about the market and MOSL, by visiting the About us page.



MOSL publishes Quarterly Market Review: Q2 2018/19

Today MOSL has published its Quarterly Market Review, focusing on the most significant issues and developments in the market

CEO Forum Bilaterals presentation video

MOSL CIO Samir Rahim gives an update on the proposal the Digital Strategy Committee and the wider industry have worked on to tackle and address bilateral solutions.

Presentation from CEO Chris Scoggins at CEO Forum 2018

MOSL CEO Chris Scoggins recently addressed senior leaders from across the water retail market about the challenges it faces, read his speech and view the presentation.

Market Performance Operating Plan October 2018

Today we’ve published an updated version of the Market Performance Operating Plan


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