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Business Water Supplier Guide

Unlike domestic customers, businesses across the UK are able to choose their water supplier and switch providers to find a better deal for their business water supply.

In the UK, there is a vast range of water suppliers, so businesses may find it difficult to choose a suitable provider. But don’t fret, here at Love Energy Savings, it’s our goal to ensure that businesses are well-informed about the open water market.

We aim to provide you with all the information you need to choose a suitable supplier and deal for your business water supply. 

Continue reading to find out about the different water suppliers in the UK and how switching can help you save.

Why switch business water suppliers?

In April 2017, UK laws were changed to provide businesses, charities and public-sector organisations with more control over their water supply deals. Through the Open Water Market, businesses can enjoy cheaper rates due to paying wholesale prices, and they can compare deals from different suppliers to find a suitable option for their needs.

The Open Water Market seems to have had a great impact on businesses and their finances thus far, with data suggesting that companies have saved up to 12% on their business water bills since its initial launch.

As well as the potential savings, your business could also benefit from better customer service and support from another supplier. To find out which suppliers could offer you a better deal for your business water supply, try our free online quote tool today.

Water suppliers operating in the UK

Below, we provide a comprehensive list of water and wastewater retailers in the UK. All of the following suppliers are licensed to serve eligible businesses.

Please note, any company, outside of those included in this list, claiming to be a water retailer may be a scam. It is important that you confirm the authenticity of any retailer you are engage with. You can do this by cross-referencing their details with the information provided below.

Advanced demand side management (ADSM)

Founded in 1992, ADSM was one of the first independent companies to receive an open water license. The retailer aims to provide clients with fresh water, sewerage services and competitive prices. With this supplier, you could receive a discounted rate that is approximately 3-5% lower than the UK’s average retailer costs. 

ADSM provides water and wastewater services across the UK. They have clients from a range of different sectors, such as Education (e.g. Eton College), Healthcare (e.g. Barts health NHS Trust), Councils (e.g. Ashfield district) and Corporate enterprises (e.g. Heathrow terminal 5).

Additionally, this retailer provides a variety of additional services, for example: site surveys and benchmarks, energy saving and smart tech services and user-level training. ADSM aims to help businesses ensure that they are using their water supply efficiently in order to further reduce their overheads and improve eco-friendliness.

Customer reviews: According to data published by the Customer Council for Water (CCW) ADSM was one of the few companies that received 0% non-household complaints consecutively from the years 2018/19 – 2019/20. The retailer has also received a Green Gown Award and an NHS Sustainability award for its efforts towards environmental sustainability and efficiency.

Business Stream

Operating throughout Scotland and England, Business Stream is one of the largest water suppliers in the UK. With over 12 years of experience, this supplier is a trusted retailer to over 340,000 businesses.

Business Stream aims to provide clients with excellent customer service, increased innovations, improved environmental efficiency, and lower bills. Through their services, they have helped customers save over £272 million collectively thus far!

Their clients include popular brands such as Network Rail, Lloyds Banking Group and Morrison’s. They also provide water and wastewater services to a range of public sector bodies like NHS Scotland and Scotland Fire and Rescue.

In addition, Business Stream offer a range of additional services such as automated meter reading, trade effluent treatment plants, hire fleet and water management plans, free water efficiency packs and flexible billing options. They aim to help businesses become more efficient in the way they use water, not only for the benefit of their finances but also to help the environment.

Customer reviews: Business Stream currently has a 4.7 out of 5 score on Trustpilot; based on approximately 1,249 reviews. Customers praise the company for being ‘friendly,’ ‘helpful,’ and ‘informative.’ The brand has also won a total of 27 National and European awards for their services.


Part of the Glas Cymru group, Cambrian serves businesses throughout England and Wales with water and wastewater services. Based in Wales, this retailer reinvests its profits back into the business for the benefit of its customers, rather than distributing the funds to shareholders.

Through its subsidiary Dŵr Cymru, Cambrian provides water services to eligible businesses, charities and public sector organisations. They seek to offer exceptional customer service, billing support, water-saving services and tailored comprehensive business support to help customers identify ways to save time and money.

Customer Reviews: Cambrian’s subsidiary Dŵr Cymru currently has a Trustpilot rating of 3.1 out of 5; based on 130 reviews. A report collated by the CCW stated that Dŵr Cymru “performed well in all measures,” throughout the period of 2019/2020 and had “complaint levels below the pre-market average.”

Castle Water

Water and wastewater retailer, Castle Water was founded in 2014 and is now recognised as the UK’s leading independent business water retailer. With over 350,000 customers throughout England and Scotland, this supplier serves a variety of businesses, from small and large enterprises to charities and public bodies. Their clients include companies such as Motherwell Football Club, Queen Bradfield College and Swindon Burrough Council.

With no ties to traditional network owners, Cambria strives to fight for cost reductions for their customers and also seeks to provide clients with top quality customer care. The retailer aims to help businesses ensure that they only use the water they need, in order to minimalise wastage and cut costs. As well as free water saving advice, they also offer additional services such as automatic meter reading, consolidated billing and flexible payment options.

Customer reviews: Castle Water currently has a Trustpilot score of 4.5 out of 5; based on 10,220 customer reviews. They also reduced their complaint rate by 12% in the year 2019/2020, according to the CCW’s report.

Clear Business

Part of Manchester’s Verastar Group, Clear Business specialises in providing water services to small businesses throughout England and Scotland.

With over 20 years of experience, this retailer has over 160,000 customers and is recognised as Scotland’s largest independent water supplier. They currently serve 27% of the Scottish market and seek to continue helping small and microbusinesses save costs on their water supply.

This retailer offers a ‘Beat Any price Guarantee’ where they pledge to provide a better deal to customers who find a better alternative within 30 days of their contract start date. They also guarantee that they will save you money on your water and wastewater services in comparison to your area’s default rate.

Customer reviews: Clear business has a 4.4 out of 5 rating on Trustpilot; based on approximately 3,157 reviews. Over 70% of their reviews are rated ‘great’ or ‘excellent’ and in the year 2019/2020, they reduced their complaint rate by 17% (CCW).


Environmentally conscious water suppliers, ConservAqua seek to help businesses with medium to high water usage become more water efficient in order to reduce their wastage and cut costs.

The retailer aims to provide companies in the England with bespoke water packages to ensure that their needs are always met and to prevent businesses from paying more than they need to for their water supply.

This Surrey-based supplier prides itself on delivering unrivalled customer service.  Their water architects specialise in water waste reduction and they also offer clients a range of additional services. This ranges from cutting-edge electronic billing to innovative saving technologies and experienced account managers. Additionally, they offer water efficiency training for staff.

Customer reviews: ConservAqua has a 3.8 out of 5 score on Trustpilot; based on just two customer reviews. Customers reported that this retailer provided ‘really helpful customer service’ and state that staff were ‘friendly’ and ‘professional.’

Everflow Water

Recognised as the UK’s fastest growing water supplier, Everflow Water meets the needs of small and medium businesses throughout England and Scotland.

Independent, forward-thinking and environmentally aware, this retailer seeks to provide companies with unbeatable rates and first-class customer service. Everflow estimates that the average business could save approximately £500 by switching to their services.

Additionally, they pride themselves on their charity work. This supplier has built around 180 wells in countries that have limited access to water and continue to commission wells for every 250 customers who switch to their services.

Everflow aims to make it easier for clients to manage their water supply. Their friendly team is available from 8am-5pm Monday-Friday to provide help and advice to businesses in need.

Customer reviews: Everflow has a 4.1 (out of 5) ‘great’ rating on Trustpilot; based on approximately 486 reviews. Customers describe their service as ‘helpful’ and ‘transparent.’

First Business Water

First Business Water offer water and wastewater services to companies across England. This retailer prioritises customer care and seeks to provide a seamless and transparent service at a fixed fee. This helps them deliver an affordable pricing structure to their clients.

The retailer also aims to encourage and help businesses use water efficiently, in order to cut costs and help the environment. They provide honest and cost-effective pricing, account management, as well as water efficiency aid through the use of monitoring tools, benchmark audits and their innovative online platform ‘Waterdeck.’

Additionally, this provider has a ‘no contract lock-in’ policy, so if for any reason you are not happy with their service, all you have to do is provide 30 days’ notice and you’ll be free to terminate your contract without a cancellation fee.

Customer reviews: First Business Water has a 4 out of 5 review on Google. Additionally, a report published by the Market Operator Services Ltd (MOSL) stated that the retailer achieved a performance rate of 68.92% in 2020.

Olympos Water

Part of the Multi-Utility UK group, which specialises in utility infrastructure, Olympos Water was established to add water supply to the list of services offered by its parent company.

This retailer offers both water and sewerage services to recently completed and new developments throughout England and Wales. They seek to help businesses take the hassle out of commissioning their water supply. Their experts will advise you on how you can reduce and optimise your business’ water usage, as well as help you lower your drainage and effluent costs to ensure that your company makes as much savings as possible.

This retailer offers competitive pricing and excellent customer service. They also offer business water audits to help companies identify long-term saving opportunities.

Customer reviews: Olympus Water doesn’t currently have any reviews on its Trustpilot page. However, you can contact their customer services team to find out more about what they have to offer.

Regent Water

An associated business of Regent Gas, Regent Water is a retail water supplier that offers water, wastewater and trade effluent services to businesses across England and Scotland.

Based in London, this retailer primarily works with small, medium and large corporation businesses through independent energy brokers.

Regent Water is an independent company. They seek to offer clients competitive discounts, bespoke tariffs and flexible contract terms. They also offer customers flexible payment options, consolidated bills for multi-site clients, and dedicated account managers to help ensure that businesses get exactly what they need.

This retailer prides itself on its commitment to providing the highest standards of customer service and seeks to offer great value services to all customers.

Customer Reviews: Regent Water currently doesn’t have a Trustpilot page. However, their parent company, Regent Gas has a review page with just one review. MOSL’s report rated the retailer’s market performance 48.32% for 2020.

SES Business Water

Proactive water retailer, Sutton and East Surrey (SES) Business Water offers water and wastewater services to businesses throughout England, Scotland and Wales. This retailer meets the water needs of companies of all sizes and sectors and seeks to place their customers at the heart of everything they do.

Based in Dorking, England, the company evolved from Sutton and East Surrey Water PLC and has proudly been supplying water services for around 146 years.

SES has a range of business clients, from supermarkets to high street retailers, hospitality businesses, the NHS and schools. They offer their clients a number of useful services, such as proven billing, meter reading and water management assistance.

Customer Reviews: SES Business water has only received 18 reviews on Trustpilot; they’re score is current 2.0. They have a review of 5/5 on their Facebook Business account.

Smarta Water

Based in Leeds, Smarta Water is an eco-friendly independent water and wastewater supplier operating across England and Scotland.

This retailer prioritises water efficiency and sustainability. They aim to help customers reduce their water consumption in order to help protect and preserve the environment.

Smarta Water aims to help you gain greater control over your business water supply. Their technologies can make managing and paying your business water bills easier, whilst their Smarta Utility Management System (SUMS) allows you to check your consumption, identify leakages and help solve any unexplained usage. With these services, the retailer can help you stay on top of your business water supply.

Customer Reviews: MOSL’s report graded Smarta Water 62.76% for their market performance in 2020. They also have a number of client reviews on their website. One of their customers states that the retailer has helped them reduce their water bills by 38%.

Source for Business

The national trading brand of Pennon Water, Source for Business caters to the water service needs of commercial customers throughout England and Scotland. The company is a joint venture taken on by industry specialists Pennon Group PLC and South Staffordshire PLC; both have over 25 years of experience.

Based in Devon, this retailer places customer service at the forefront of their priorities. Their clients include farms, breweries and university accommodations, and they aim to help all businesses optimise their water efficiency to save money on water and wastewater supplies. For instance, the retailer helped investigate and solve a water leakage issue faced by Unite Students in their East London site. They have also helped farm managers at the historic Caerhays Estate reduce their water usage and save thousands of pounds on their water bills.

Customer Reviews: Source for Business currently have a Trustpilot score of 4.8, based on 862 reviews. Customers praise the retailer for their ‘excellent’ and ‘helpful’ service. More reviews and case studies can be found on their website.

The Water Retail Company

Seeking to help businesses reduce their water consumption, lower their bills and improve their carbon footprint, The Water Retail Company are a team of water service specialists.

Based in London, this retailer is one of the latest players to join the business water market. Despite being a new entrant, they have extensive experience and knowledge of the water industry and the utilities sector. The company seeks to provide excellent water and sewerage services with competitive and affordable prices to suit the needs of large and multi-site businesses across England.

To ensure that they can effectively meet clients’ needs, this retailer works with a small number of businesses and tailors their services to each company’s specific needs. The supplier prides itself on its dedication to water efficiency, so helping businesses reduce their water wastage is one of its main initiatives.

Customer Reviews: The MOSL report rated The Water Retail Company 85.01% for their market performance in 2020, making them amongst the highest performers in the listing. This retailer does not currently have a Trustpilot account.


Veolia is a water retail company based in Dunfermline, Scotland. This supplier provides water and wastewater services to commercial customers across England, Scotland and Wales.

Veolia has a customer focused ethos and they constantly aim to improve customer value by reducing water service costs and providing tailored services to suit customer needs. They aim to help clients enhance their water efficiency, and also seek to provide businesses with greater control over their water costs.

With this retailer, you could access clear, transparent billing and benefit from highly responsive customer service. They proclaim to take a systematic approach to reducing business’ water costs, which includes monitoring, benchmarking, analysing and offering innovative solutions.

According to their website, Veolia typically delivers carbon savings of 20% and cost savings of up to 20%. Their key services include water and wastewater services and treatment, smart water systems, as well as water and wastewater plant optimisation.

Customer Reviews: Veolia currently has a ‘bad’ 1.6 rating on Trustpilot, based on approximately 249 reviews. However, the negative reviews are primarily based on their waste collection service.

Water 2 Business

Offering tailored water and wastewater services to businesses across England, Water 2 Business aims to help commercial customers get the best out of their business water supply. This retailer seeks to provide clients with expert advice on water efficiency, they can also detect and repair leaks on business premises and monitor trade effluent.

Water 2 Business is a joint venture taken on by Bristol Water and Wessex Water. They offer flexible and consolidated billing, automated meter reading and tailored programme to help businesses achieve their efficiency targets. They can also provide professional advice on recycling grey water.

This retailer has a range of clients from a number of different industries, including healthcare, food and drink, hospitality and the public sector. They were also awarded Water Retailer of the year at the Water Industry awards in 2019.

Customer Reviews: Water 2 Business currently have an ‘excellent’ 4.9 review score on Trustpilot; based on 399 customer reviews. They have also received the lowest number of complaints out of all water suppliers for the past three years consecutively, according to the CCW report. They reduced their complaint volumes by 37% over the past year.


A joint venture between Severn Trent Water and United Utilities, Waterplus provides businesses throughout England and Scotland with water and wastewater services. Recognised as the UK’s largest water retailer, this supplier has a customer base of over 350,000 businesses, including everything from multi-site organisations to microbusinesses.

Based in Stoke-on-Trent, the retailer offers its clients services such as billing, account management, meter reading and water efficiency advice. Their customers include the likes of supermarkets, multinational manufacturers, public sector organisations and charities.

Notably, they helped the Queen Mary University of London identify £50,000 worth of savings through optimising their water use. They also helped Linlithgow Rugby Club cut costs significantly by installing water-saving devices.

Customer Reviews: Waterplus currently have a ‘poor’ rating of 1.9 on Trustpilot; based on 780 reviews. They were also amongst the poorest performers in the CCW’s 2020 report regarding investigated complaints.


Offering unique Water Procurement and Self-Supply services to businesses across England, Waterscan differentiates itself from other suppliers in the water retail market.

Despite being labelled as a new entrant to the market, this supplier has over 20 years of industry experience. They support a range of different businesses and use what they call a ‘strategic and comprehensive’ approach to water management. Some of their most notable clients include John Lewis, Sainsbury’s and Kellogg’s.

Their unique service aims to provide customers with more control over their water consumption, enabling them to make more well-informed decisions and helping to reduce costs. The retailer seeks to support businesses in every aspect, from managing supply tenders for Water Procurement clients to performing retailer functions like meter reading, transacting in the market, along with wholesaler management and payment handling for Self-Supply customers.

Customer Reviews: Waterscan doesn’t currently have any reviews on its Trustpilot Page. However, they have won a number of awards, for example, the 2018 Footprint Awards’ Economic Sustainability Award Winner 2018. They also have a range of positive customer testimonials available to view on their website.


Formed from a joint venture between Anglian Water Business and NWG Business,

Wave aims to make water and wastewater management simple and straightforward for commercial customers across the UK.

Whether you’re a small, medium or large enterprise, Wave have the knowledge and expertise to help you optimise your company’s water consumption and cut costs.

Currently, this retailer serves over 300,000 business customers and provides a range of services such as flexible payment options, leak detection services, as well as single site and consolidated billing. They also offer tailored solutions for large I&C organisations, online account management, automatic meter reading and professional water efficiency advice.

Customer Reviews: Wave currently has an ‘excellent’ rating of 4.6 on Trustpilot; based on approximately 597 customer reviews. The MOSL report also rated their market performance 80.22% for 2020.

Yu Water

Yu Water offers water and wastewater services along with commercial gas and electricity supplies to businesses across England and Wales.

By providing a range of utilities, this supplier seeks to help companies streamline their business’ overhead costs for easier management. Based in Nottingham, the retailer strives to provide commercial customers with competitive pricing, simple billing and top-quality customer service.

They also offer each business customer a ‘relationship manager’ who provides support throughout the initial setup process, as well as assists with any water supply queries afterwards.

Along with water and wastewater services, this supplier also offers help trade effluent management, seeking to protect not just your sewerage systems but also the environment. Their commercial customer base includes a variety of businesses of all sizes, including restaurants, care homes and manufacturing sites.

Customer Reviews: Yu Energy, Yu Water’s parent company, currently has an ‘excellent’ Trustpilot score of 4.3; based on 1,095 customer reviews. It’s worth noting that only some, not all, of these reviews will be based on their water services.

Switching water suppliers with Love Energy Savings

If you’re interested in switching to any of the water retailers mentioned above, Love Energy Savings can provide you with all the help and advice you need to ensure you get the best deal for your business’ needs.

We’ve built strong relationships with a range of water suppliers within the industry, so we can provide businesses like yours with access to some of the best deals on the market!

With cheaper rates for your business water supply, you could reduce your business’ costs and have more funds to invest into your company. You could also benefit from better customer service with a new supplier.

To find a suitable business water supplier for your company, simply try our quick and easy quote tool. All you have to do is provide a few details about your business and water requirements, and within just a few moments we’ll provide you with a free quote.

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