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Each day Thames Water supplies 2.7bn litres of drinking water and recycles 4.4bn litres of sewage for its 15m customers across London and the Thames Valley. The group is investing £1bn by 2025 in technologies to improve monitoring and efficiency. It is led by interim executive chairman Ian Marchant, 58, and last week, Thames Water reported 2019 sales of £2.1bn.

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Company details
CompanyThames Water (Kemble)
ActivityWater services provider
Sales £m2,045
Profit £m1,075
Year endMar 18
Principal shareholdersConsortium of investors, including OMERS (32%), USS (11%), ADIA (10%), others (47%)

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* Supplied by company † Annualised figure