Graham Mann

H2O Building Services

Senior Partner

H2O Building Services

With over 30 years of industry experience, I am a Water Cost Reduction Expert and the Senior Partner at H2O Building Services, a leading water consultancy firm in the UK. My core competencies include providing water bill validation, water leak detection and repair, water metering and installation, and smart water retail procurement services to hundreds of businesses across various sectors, helping them save water and money.

I have also developed new market areas of savings and refunds exploitation, such as alternative water sources and enhanced wastewater treatment, that give my clients a competitive edge and reduce their environmental impact. In addition, I am the Director and Co-Founder of, the UK’s only independent and comprehensive platform that allows multisite customers to easily compare and switch water retailers in the English and Scottish market. I am passionate about creating customer satisfaction and trust, and empowering businesses to make informed decisions about their water usage and costs.

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