
Maximise your revenues and control your costs with the intelligent Billing and Settlement platform for the
NHH water markets.
Retailers
trevi Billing delivers accurate, market-aligned billing that your customers trust so that you maximise and assure margins and speed up collections.
Retailers
Wholesalers
trevi Forecaster simplifies your settlement operations, so that you recover incorrect wholesale charges and produce monthly/annual accounts with 100% confidence.
Designed for the NHH markets. By the experts.
19
Years of successful delivery within UK non-household water markets
19
Years of successful delivery within UK non-household water markets
326
Years of successful delivery within UK non-household water markets
£500M
Annual retail value invoiced with trevi Billing
trevi redefines what’s possible in the water sector. Market-leading tools, seamless integration, unrivalled insight.
trevi brings billing and settlement together in one seamless platform. Built on decades of in-depth expertise, it gives trading parties visibility of charges, retail and wholesale, and advanced features to ensure billing integrity and avoid unpleasant surprises in settlement.
Retailers
Wholesalers

Prevent silent margin loss.
Enables your settlement team to defend and claim with evidence £M's of incorrect wholesale charges.
Supports your finance team in accounting for movements in wholesale charges. Explain with clarity, not guesswork, to the leadership team and the Board the reasons for movement.
Retailers

Bill every penny due. Correctly.
The most accurate billing solution available in combination with hyper-automation enables your billing team to manage even the largest portfolios efficiently and with confidence.
Intelligent approaches to managing late arriving transactions from the market ensures that you never miss billing all revenue due and retail charging aligned with the market avoids the need for extensive revenue/margin assurance activities.
Designed by the experts in NHH markets.
Our team has a rich and pioneering history in the water sector, spanning over 19 years. We have played a central role in shaping the digital infrastructure of the UK water markets in England and Scotland through the successful delivery of strategic central market systems and our own innovative solutions.
There's nobody like us :)
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