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Trusted, market-aligned billing that protects margins, reduces disputes, and accelerates collections.

What our customers say about Billing...

Accuracy that sets us
apart.

Trevi Billing is the only solution designed with the complexity of water retail in mind, delivering 100% billing accuracy across water, sewerage and trade effluent. It protects margins, removes manual effort and gives retailers complete confidence in every invoice.

£XM

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150

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X%

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100

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Accuracy that sets us apart.

Does your current billing solution address all the nuances and comply with the regulatory requirements of the NHH water market? Or was it designed for another market completely?

Margins Unpredictable

Is your margin analysis hampered by timing differences, errors and miscalculations?

Blind-sided by market transactions

Do you have billing errors from changes to market data after bills go out?

Complex Customer Billing

Are you struggling to bill complex items such as Trade Effluent and meter networks? Are you reliant on a small number of people with knowledge of these areas to make sure these customers get billed?

High Cost to Serve

Are you wasting precious margin employing people to ensure that the data in your billing system is correct and aligned with the data in CMOS?

From Complexity
to Automated Accuracy.

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Margins
Protected.

Safeguard your bottom line with 100% billing accuracy brought to you by the only billing engine made by the creators of the settlement engines within MOSL CMOS and the CMA Central Systems. We understand all the market calculations to ensure that you are charging your customers correctly.

No Market Data Updates Left Behind.

Every update in MOSL CMOS and CMA Central Systems is automatically tracked and applied. If changes arrive after invoices are issued, trevi generates adjustment bills seamlessly, so accuracy, compliance, and trust are never compromised.

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Complex Billing, Simplified.

Water, sewerage and trade effluent all handled seamlessly, with consolidated invoices where needed.

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Cost to Serve Crushed.

With trevi Billing, the market is your single source of truth. Every data update flows seamlessly into the billing engine through hyper-automation eliminating the need for duplicate databases or manual intervention.

Unlike other billing systems that force you to maintain both CMOS/CMA and billing records separately, trevi Billing automates it all, drastically reducing your cost to serve while ensuring complete alignment with the market.

  • What is an FAQ section?
    An FAQ section can be used to quickly answer common questions about your business like "Where do you ship to?", "What are your opening hours?", or "How can I book a service?".
  • Why do FAQs matter?
    FAQs are a great way to help site visitors find quick answers to common questions about your business and create a better navigation experience.
  • Where can I add my FAQs?
    FAQs can be added to any page on your site or to your Wix mobile app, giving access to members on the go.
Billing Enquiry

See Accuracy In Action.

Contact us below and the trevi team will be in touch with a tailored demo showing how trevi Billing protects margins, ensures 100% accuracy and simplifies even the most complex invoices.

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