Business Water Suppliers

Business Stream is the oldest business water supplier in the market; it was designated Scotland’s default business water supplier following the deregulation of the Scottish Water market in 2008.

In 2017, Business Stream was appointed as the water supplier for all businesses in the Southern Water region.

Castle Water began trading in 2017 when it was appointed as the water supplier for businesses in the Thames Water and Portsmouth Water regions.

On 7 February 2025, Castle Water acquired Brightwater (another business water supplier) to expand its customer base.

Clear Business Water is the leading independent water provider in Scotland and has expanded its operations into England’s water market.

Specialising in serving small businesses, Clear Business also offers a range of utility products beyond water, including as a business energy supplier.

In January 2020, ConservAqua entered the open water market. It is dedicated to delivering excellent customer service, precise billing, and a variety of additional water-related services.

With a strong environmental focus, ConservAqua addresses the challenge of water scarcity in the UK by providing innovative solutions such as smart water meters, greywater systems, and rainwater harvesting.

Everflow was founded in 2014 in Hartlepool and proudly became the first business water supplier to offer all its customers a carbon-neutral water and wastewater service, offsetting carbon emissions through carbon credits.

In 2023, it was rebranded as Everflow Utilities, expanding its services to include environmentally friendly commercial waste collections and business broadband deals.

Pozitive Water is the new name for First Business Water, which has been part of the competitive water market in England since 2017.

The team at Pozitive Water has the expertise to offer a suite of water services to its customers, including efficiency advice and water contingency solutions.

Pure Utilities, established in April 2015 in Scotland, focuses on delivering exceptional customer service alongside competitive pricing.

Based in Preston, Pure Utilities is dedicated to helping businesses reduce unnecessary water consumption. To facilitate this, they offer a complimentary Water Efficiency self-assessment tool on their website.

SES Business Water, also known as Sutton and East Surrey Water, emerged following the deregulation of the English water market in 2017.

Operating as an affiliated retailer of SES Water, SES Business Water was responsible for supplying water to all commercial properties in the South London area.

Source for Business, a newly established national brand, consolidates Bournemouth Business Water, Cambridge Water Business, South Staffs Water Business, and South West Water.

Serving 160,000 businesses nationwide, it also boasts 25 years of experience and provides various value-added services, including smart water meter installation, leak repair, and wastewater treatment.

Water Plus was established as a joint venture between United Utilities and Severn Trent.

Water Plus places a strong emphasis on environmental responsibility, exemplified by its significant partnership with Trees for Cities.

As part of their commitment, Water Plus has ambitious plans to plant more than 1,000 trees in urban areas.

Water2Business, a joint venture formed by Bristol Water and Wessex Water in 2000, serves 80,000 customers across the UK.

Notably, it has achieved the distinction of being the top-performing business water supplier, securing the MOSL Market Performance Standards Report award for five consecutive years and has consistently demonstrated exceptional performance in handling customer complaints.

Wave Utilities, a national business water supplier, was formed by merging two regional suppliers, Anglian Water Business and Northumbrian Water Group.

Wave has a strong commitment to customer service and a deep understanding of the evolving water industry. They offer tailored solutions and innovative services to meet the diverse needs of their customers.

Business water tariffs for properties with a water meter include unit charges for water and wastewater in pounds per cubic metre used.

Water tariffs can include fixed daily charges related to water supply, wastewater and surface drainage, depending on the property location.

To accurately compare suppliers, it is necessary to estimate annual water consumption to calculate an expected annual cost for each supplier.

691,088 supply points: Inherited all businesses in the Midlands and the South West on deregulation.

431,418 supply points: Inherited all businesses in the Thames Basin, East and South East of England on deregulation.

393,686 supply points: Inherited all businesses in Scotland and the South of England on deregulation.

391,664 supply points: Inherited businesses in Northumbria, Norfolk, Suffolk and Cambridgeshire on deregulation.

199,306 supply points: Acquired all supply points organically by offering competitive pricing.