Thames Water 

We’re the UK’s largest water and wastewater services provider

We supply around 2,600 million litres of tap water across London and the Thames Valley.

Every day, we serve 15 million customers across London and the Thames Valley, but we also do a lot to improve our community and environment.

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DDC OS UK is a well-established and successful Business Process Outsourcer.
Over 30 years of experience in fully understanding the needs of THEIR clients enables THEM to bring together a balanced blend of people, technology and location to offer business outsourcing solutions that are smart, flexible, agile and innovative.

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ELEXON plays a vital role at the heart of the wholesale electricity market. We compare how much electricity generators and suppliers said they would produce or consume with how much electricity they actually generated and supplied. After calculating these volumes, we work out a price for the imbalances and charge organisations accordingly. This involves taking 1.25 million meter readings every day and handling over £1.5 billion of our customers’ funds each year.

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Engage Consulting

We are independent, trusted, expert advisors specialising in the Energy Market Arrangements. This includes the rules and regulations, the markets, the operational processes, the costs and incomes the commercial arrangements and the associated settlements. Our consultants and information service practitioners have many years of industry experience and our collective pool of expertise enables us to deliver exceptional value to our clients.

UK Power Networks

UK Power Networks is proud to sponsor the Women’s Utility Network. As the country’s biggest electricity distributor it keeps the lights on for more than eight million homes and businesses across London, the South East and East of England and ensures that electricity networks support the transition to a low carbon future.

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South East Water

South East Water supplies top quality drinking water to 2.2 million people across the south east of England.

We are a business made up of dedicated water people who want to make a difference – to customers, communities, the environment and society – so that everyone and everything thrives as a result of what we do.

We are immensely proud of being a local water company with a passion for sharing our ‘Pure know h2ow’.

Our vision is to be the water company people want to be supplied by and want to work for.

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Utiligroup is a market leading provider of innovative software and services to the energy and utilities industry.


Utiligroup makes energy smarter for everyone, serving Energy Suppliers, Distribution, Grid Operators, Metering organisations and Traders, ensuring that their consumers are empowered through increased competition, smarter technology and improved customer services. Utiligroup helps energy companies to grow profitably through advanced back office automation technology and managed services and has significantly helped to catalyse the independent supplier sector in the UK.

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EDF is helping Britain achieve Net Zero by leading the transition to a cleaner, low emission electric future and tackling climate change. We are Britain’s biggest generator of zero carbon electricity, meeting around one-fifth of the country’s demand and supplying millions of customers with electricity and gas.  We generate electricity from eight nuclear power stations, more than thirty onshore wind farms and two offshore wind farms


With around 5 million accounts, EDF is one of the largest suppliers to British homes and businesses and a leading supplier of innovative energy solutions that are helping businesses become more energy independent. All of our home and small business customers get energy tariffs backed by zero carbon electricity as standard.

Cadent Gas

We are the UK’s largest gas distribution network. We manage a network of more than 80,000 miles of pipes, most of them underground, which transport gas to 11 million customers. When you need to connect or disconnect to a gas supply or alter the position of your existing meters or gas pipes, we’re also here to help.