10 years of better business water

The only water retailer that will give you an instant online quote in as little as three minutes. All we need is some basic information about your business.

Pay
your bill

Submit a
meter read

Moving
premises?

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Why are businesses switching to Castle Water?

No hidden
retail fees

Unlike other retailers, our quotes don't have sneaky fees in the small print.

No advanced
payments

With our monthly in arrears option, you wont pay your water bills in advance.

Trade effluent
expertise

We're the top-dogs for trade effluent services - we make the process simple for you.

Everything at
your fingertips

Log in to your online portal to view bills, submit meter readings, check your usage and more.

We're the heavyweight you want in your corner

Unlike many other water retailers, we’re completely independent from Wholesalers. Everything we do is in the interest of our customers. If you’re ever in dispute with your Wholesaler, it helps to have the reigning heavyweight in your corner.

We’re not afraid of a challenge and our track record is full of wins – from negotiating price reductions to pushing for fairer market conditions that have saved our customers millions.

Everything at your fingertips

Partners in success, stronger together

Servicing more than 250,000 customers, we're proud of the savings we've delivered with no ties to traditional network owners, which means we can fight for cost reductions while offering quality customer care.

The triple threat for big water users

Your business doesn't just need water, it needs the right water retailer with the expertise to manage your account and the influence to support you when it really counts.