We are proud to operate the competitive retail water market in England.
Joined September 2015
- Tweets 2,960
- Following 656
- Followers 1,196
- Likes 2,220
1,843 Photos and videos
Later this month, Sarah McMath, MOSL CEO, will be speaking at the 14th World Plumbing Conference, hosted at InstallerSHOW.
📍 NEC Birmingham
📆 23-25 June 2026
Register now: forms.reg.buzz/wpc-2026/
View full agenda: wpc2026.com/agenda/
#WPC2026
12
Today, MOSL held its second Training Day for trading parties.
MOSL colleagues presented and led workshops on performance, audit, and settlement - testing knowledge and offering insights into our core services.
Thank you everyone who joined us at @CGI_UKNEWS offices in London!
8
Join MOSL CEO, Sarah McMath, alongisde other water professionals, at the @IWAHQ Shaping Confidence for Women in the Water Sector webinar on 2 June.
This 90-minute webinar focuses on strengthening women’s confidence and leadership.
Book your space 👉 bit.ly/3P8SVjs
17
May we introduce to you...🥁...May's Market Focus!
From the publication of MOSL's Q4 2025/26 Report to our audit and assurance activities, Market Focus is where you'll find the latest on MOSL and the business retail market.
Read it here 👉 bit.ly/4wJyxWK
8
MOSL has published its fourth and final Quarterly Report for 2025/26.
The report shows we achieved 22 out of 24 KPIs and a 92% completion rate on our improvement programmes.
Find out more in the video below and on our website: bit.ly/4uAMGDO
13
Our Market Term of the Month aims to make market terms more understandable. In last month's Market Focus, our term was first coined by the Strategic Panel - 'flourishing' market.
Want to know more? Find it on page 18 of April's Market Focus: bit.ly/4eCcivi
8
MOSL CEO, Sarah McMath, is joining a panel at the upcoming UK Real Estate Investment and Infrastructure (@UKREiiF) conference on Wednesday 20 May. Book your spot: bit.ly/4en3jOG
11
Our CEO, Sarah McMath, has been appointed to the @JerseyWater Board as a non-executive director. Sarah brings a wealth of industry experience to the role at a particularly important time for the sector, as we navigate reform and build long-term resilience. Congratulations, Sarah!
1
27
It's Q1 of 2026/27, and April's Market Focus is packed with fresh financial year updates. 📰
From MOSL's upcoming trading party training day to the launch of Round 1 of the weCB Fund, there's something for everyone in this edition.
Read it here 👉 bit.ly/4eCcivibit.ly/4eCcivi
24
Are you a business? Not sure who your water retailer is? 🔍
A new tool on the Open Water website helps businesses identify their retailer using a postcode or meter serial number. Developed by MOSL as part of Round 3 Market Improvement Fund, check it out: bit.ly/4mCa9BM
15
In this month's The UK Water Report, Sarah McMath, MOSL CEO, speaks to @KarmaOckenden of @TheWater_Report about how we can unlock meaningful business water efficiency through awareness, better data, and crucially, funding.
Read the article here: bit.ly/3OTOw3wbit.ly/3OTOw3w
16
What potential benefits - if any - could there be to sharing market data more widely? On behalf of the Strategic Panel, MOSL worked with Cross 8 on an Open & Shared Data benefits case – now moving to a proof of value stage: bit.ly/3PksNlf & bit.ly/4vvDUZ0
ALT The image features a promotional graphic for "Market Focus" with the text "News from the heart of the market" and "March 2026" on a pink background. It includes the MOSL logo in the top right corner. A photo of people seated in an office setting is partially visible on the right side.
ALT The image shows a page titled "Market Focus March 2026" by MOSL. It features two sections: "Open Data Programme" and "Settlement Strategy." The sections discuss strategic developments, including an Open Data Strategy for the business retail market and the final Settlement Strategy. Contact information is provided for inquiries. The page is visually divided with a decorative graphic at the bottom right corner resembling paper leaves or petals.
25
We published our consultation response to the Welsh Government’s Green Paper. While we welcome proposals to improve the business water market, we highlight concerns with the proposal to establish a standalone economic regulator. Read the response 👉 bit.ly/4v1lSh0
46
MOSL has launched the first phase of a new, central hub that makes it easier and more efficient for wholesalers and retailers to share business customers’ smart meter read data. Find out more about the hub and its benefits: bit.ly/4thctQT
1
35
Our Digital Technology Lead, Mayuresh Tamboli, recently attended the UK AI Agent Hackathon. He connected with Peter Steinberger, founder of @openclaw, who explained the shift from prompt-based AI to persistent, learning-agent systems.
#LearningOrganisation
43
In October 2025, we issued our Annual Trading Party Survey to gain feedback on our services. Since then, we've published an article on our website to spotlight actions taken in response to that feedback.
Find out more on page 5 of March's Market Focus 👉 bit.ly/3PksNlf
15
We're marching towards spring and the new financial year. As we do, here's a little look at what's been happening this month and what's coming up in the business retail market.
Read the latest in March's Market Focus 👉 bit.ly/3PksNlf
22
A Round 3 MIF project trialled an approach to managing Long-Term Vacant properties in the business water market. Sponsored by @SESWater in partnership with @OccuTrace, the initiative achieved several important outcomes. Read more in Market Focus: bit.ly/4aGK0fL
24
We were proud to celebrate this year's International Women's Day theme #GiveToGain. To mark it, we’re launching Women’s Community events and sharing stories of community impact across MOSL.
#IWD2026
6