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Construction Supplier Group is a team of professional construction companies from across the sector, who have come together to offer their customers exclusive discounts for all construction needs. The aim is to give you one easy place to find all the materials, expertise, and equipment you need to complete your next construction project, and to provide them all at the best possible price.

How it works

Think of CSG Loyalty Plus as a reward scheme for using the services of our partners. When you spend money with one of the CSG partners, you gain access to exclusive discounts to all the other companies in CSG.

Efficiency for less

You can stop wasting time searching around for the best deals. With CSG Loyalty Plus, all the biggest discounts are at the tips of your fingers. Professional services, at smart prices.

Join now

Start saving now! It is completely FREE to join the CSG Loyalty Plus program, follow this link: and order your CSG Loyalty Plus card today, or register the card you have.

CSG Partners:


With 18 years of experience under our belts, B&K Environmental Services is the skip hire and waste management specialist.

Offering skip hire as well as the removal of construction waste from private and commercial projects, B&K have quickly become one of London’s most in-demand waste removal companies with a reputation for providing fast, quality service to all of their customers.

Get 5% off your skip hire simply by joining the group.


Whether you need to excavate an entire site or lay a patch of tarmac, RS Machinery is sure to have the solution you require. They offer an extensive range of plant equipment for hire, including mini excavators, dumpers, ride-on rollers, roller breakers and much more. RS Machinery is a fully independent plant hire company. Based in Luton, RS Machinery Ltd has built up an excellent reputation with its many customers for prompt, efficient services and reliable machinery.

Hireing with RS Machinery can get you even 10% discount.


EWI Store offer a range of BBA-approved render and EWI systems, providing the quality materials and technical know-how to help installers achieve a standout result. When you choose to buy from EWI Store, you can get next day delivery on all orders and their technical support team are available for all queries and installation guidance.

Shop at EWI Store to get 25% off your materials.



Perfect Crystal Windows offer bespoke, made-to-measure windows, doors and more. Providing a comprehensive service which includes measuring, production and installation, Perfect Crystal Windows are the glazing specialists.

With their own manufacturing facilities, PCW are able to fully control the time and quality of the production process, ensuring that the finished product meets the highest possible standards.

Joining CSG gives you even 30% discount from your bespoke windows quote.


Whether you are a contractor buying materials for your project or a designer specifying a particular style for a proposal, when it comes to electrical products Capital Electrical Wholesalers is the place to be. CEW has a lot to offer. From switches and sockets to lighting, security and smart home devices CEW carries a wide range of products across all brands at different price points. Their monthly offers are also something to look out for as your will find amazing deals on all the essentials.

CEW branches offer 5% discount for all their products.