We’ve been taking care of things for over 200 years. And we’ve learnt a lot in that time. That’s why over 10 million customers trust us in their homes every day – whether it’s fixing their boiler, installing a heat pump or simply powering their kettle.

But you don’t get there without the right people. And we’ve got thousands of them all over UK – including 6,500 highly skilled engineers and technicians. Every single one of them represents the diverse communities we serve. And they’re on a mission to make life easier, greener and more affordable every day.

We are Calisen. We own, install and manage essential energy infrastructure assets across both domestic and commercial properties. We’re building a more sustainable, smarter world for the next generation.

Horizon Water Infrastructure specialises in water resource management, delivering end-to-end metering and data solutions for water companies. Backed by KKR and part of a group of industry-leading companies, including Horizon Energy Infrastructure and Smart Metering Systems (SMS), we bring over 30 years’ experience in large-scale rollouts. Our smart infrastructure expertise and innovative financing models spread programme costs over 10 to 20 years. Through our Metering-as-a-Service (MaaS) model, we mitigate risks, enabling utilities to focus on service while meeting UK Government and Ofwat mandates. Recently appointed to replace over one million meters for Southern Water, HWI is setting a new benchmark for efficiency, sustainability and impact.

Crown Gas & Power is an award-winning business energy supplier, dedicated to delivering outstanding customer service with meticulous attention to detail. We provide competitive gas and electricity solutions for businesses across the UK, including innovative, sustainable energy solutions, such as our green gas range and renewable electricity. We also provide comprehensive utility metering and connection services for gas, electricity, and water. Winning Energy Supplier of the Year at the Energy Awards in 2024 and remaining No. 1 Citizens Advice Non-Domestic supplier for 4 consecutive years demonstrates our commitment to delivering and exceeding our customers' expectations.

Opus Utility Solutions Ltd is a leading UK utilities contractor delivering safe, efficient, and innovative solutions across electricity distribution and infrastructure projects. Operating nationwide, Opus supports major DNOs, ICPs, contractors and local authorities with a strong focus on quality, compliance, and customer experience. With deep technical expertise, a highly skilled workforce and a proactive approach to risk, Opus consistently delivers complex projects in live environments. The business is built on strong governance, collaborative delivery and continuous improvement, enabling long-term partnerships and sustainable growth while supporting the UK’s evolving energy infrastructure.

Vyntelligence (Vyn®) is the market-leading Agentic Video Intelligence Work Platform, designed for customers, contractors and colleagues. Vyn Simplifies and Speeds up work with short video data capture and Agentic Video Intelligence.

Top 90% of UK utilities & telecoms use Vyn®, creating trusted engagement by simplifying and speeding up work to optimise asset life cycles. Turning field videos, prompted before, during, and after work, into automated workflows, its AI-driven insights help businesses improve pricing accuracy, speed-up delivery, ensure safety & compliance compliance. Vyn® is proud to partner with game changers: Vodafone, EDP, Total Energies, Cadent Gas, Currys, Severn Trent, and UK Power Networks.

Green GEN Cymru is an Independent Distribution Network Operator looking to develop and operate over 300km of new 132kV grid infrastructure in Wales.

Proudly headquartered in Cardiff, our ambition is to invest nearly £1bn by 2030 to deliver innovative infrastructure projects that will unlock Wales’ energy potential, strengthen the local economy and deliver long-term benefits to residents.

IDenteq is a UK-based data technology company helping the utilities sector improve customer data quality, occupier validation, debt management, and revenue protection through advanced SaaS and data services. Landlord TAP is a national portal enabling landlords and managing agents in England and Wales to securely share tenancy information with water companies. Together, IDenteq and Landlord TAP are strengthening the consistent use of landlord and tenant data across the water industry - supporting faster occupancy updates, improved billing accuracy, reduced debt and better customer outcomes through trusted, standardised information sharing.