Switch water supplier

Switching is easy and with Business Stream you can do it directly. Discover the benefits of being with the most experienced water supplier in the industry. We’re the water experts.

What kind of business are you?

What kind of business are you?

How many sites do you have?

How many sites do you have?


Are you a new or existing customer?

Are you a new or existing customer?


Why Business Stream?

We make water work for you.

We're the most experienced water supplier in the industry, trusted by businesses big and small from across the UK to provide a seamless service and expert, insight-driven solutions to their water challenges.

Trust us to help you...

Save time

With accurate & easy to understand bills, 24/7 online account management and the longest opening hours in the market, you can spend less time worrying about your water account and more time on doing what you do best – running your business.

Save money

While we’ll always give you a fair price, the fact is that wholesale charges make up the bulk of your bill, so the best way to save money is to use less water. Whether you’re a small high street store or a huge industrial consumer, we’ll use our expertise to help you to be more efficient and see real long-term savings to boost your bottom line.

Stay in control

With expert advice and advanced analytics, we’ll help you to get to grips with your water usage. And with 24-hour online account management and award-winning service from our UK-based team, you’ll stay that way.

Make a positive difference

We’re committed to making a positive difference for our customers, communities and the environment. We’ll help you to make a positive difference to the planet and your pocket too.

Since 2008, we've delivered for our customers...

£159.6 million

in discount savings

£12.8 million

in energy efficiency savings

£100 million

in water efficiency savings

49 billion

litres reduced in water consumption


tonnes reduced in CO2 emmissions

77 seconds

is our average speed to answer your call

Choose the right option for you

For smaller businesses, with simple requirements, our online switching tool is perfect. Just click the link below to get a quote and switch. For larger businesses, or those with more complex requirements, it's best to speak to one of the team, so fill out the contact form and we'll be in touch with you very soon.

Switching online? Here's what you'll need.

All you'll need is...

  • Your customer reference number (usually found on the top right-hand corner of your bill)
  • Your supply point ID (again on the top right-hand corner of your bill) 
  • Your bank details (account number and sort code, so that you can set up Direct Debit) 

Click here for an online quote

Request more information about switching