Switch Your Business Water Supplier and Save
Same water, same pipes, same quality — just a lower bill and better service. We handle the entire switch on your behalf.
£500+
Typical annual water saving per site
The WhiteNWise difference
Real benefits you'll see in week one — not vague promises.
Lower Unit Rates
Negotiated tariffs that beat your default regional retailer.
Consolidated Billing
One invoice for every site, in your preferred format and cycle.
Single Point of Contact
No more being bounced between regional retailers and wholesalers.
Leak & Usage Alerts
Smart meter data flagged when consumption spikes — catch leaks before they cost you.
Switch in 3 simple steps
Send us a bill
We need your SPID and a recent invoice. That's it.
We tender the market
Castle Water, Wave, Business Stream, Everflow and more all bid for your business.
Switch in 28 days
Standard transfer takes 28 days. Your supply is unaffected, only the retailer changes.
What's included
Every contract we negotiate comes with the same level of care and attention.
Wholesaler-direct pricing
For larger sites, we can negotiate self-supply or wholesaler-direct arrangements.
Water audits
Free desktop audits to spot overcharges, incorrect meter readings and tariff misclassifications.
Multi-site portfolios
Bring every UK site onto one retailer for cleaner billing and bigger discounts.
Trade effluent & surface water
We review your trade effluent and surface water charges — often a source of hidden savings.
Frequently asked questions
Can't find what you're looking for? Call us on 0330 633 0634 — available 24/7.
Related services
Most of our clients combine 2-3 services for the best total saving.
Ready to cut your business costs?
Join 2,000+ UK businesses already saving with WhiteNWise. It's free to switch and takes just 2 minutes.