Greyn for businesses in the construction sector
Whether you want to sell surplus, find local materials or valorise reusable materials from demolition projects, Greyn is built for the entire construction chain.
One marketplace, multiple roles
Greyn is a B2B marketplace for surplus and reusable construction materials. Businesses can both sell and buy on Greyn, depending on their needs. Below you can read how Greyn works for the main profiles in the sector.
Contractors & construction companies
For: general contractors, construction companies and specialised contractors who regularly deal with surpluses or shortages on site.
What you can do on Greyn:
- Sell materials left over after a project instead of storing or disposing of them.
- Quickly find locally available materials for new or ongoing sites.
- Reduce waste and storage costs.
- Work with verified businesses through a professional channel.
Traders & suppliers
For: wholesalers, distributors and suppliers of construction materials.
What you can do on Greyn:
- Turn slow-moving stock, returns and warehouse surplus into extra revenue.
- Reach a professional B2B audience beyond your usual channels.
- Keep your main catalogue and prices separate from surplus offers.
- Place multiple listings quickly with AI support.
Demolition & reuse companies
For: demolition companies, dismantlers and businesses working with reusable materials from demolition or renovation projects.
What you can do on Greyn:
- Make reusable materials from demolition projects visible to professional buyers.
- Valorise materials that would otherwise be processed as waste.
- Work systematically per project: listings per site, time window and collection arrangements.
- Document and share material information professionally.
Public projects
For: cities, municipalities, intermunicipal organisations and public bodies with materials from public works or circular procurement.
What you can do on Greyn:
- Give materials from public works a second life through a professional channel.
- Support circular objectives and procurement criteria.
- Work with verified businesses and clear documentation.
- Make reuse visible and measurable.
Faster listings thanks to AI
For businesses with many materials, speed matters. Greyn supports listing creation with AI:
From hours of admin to just minutes per listing.
A professional B2B channel
Verified businesses
Only professional businesses can trade on Greyn.
Transparent listings
Clear material information, photos and specs.
Professional handling
B2B trade with invoicing and clear documentation.
Support
The Greyn team helps with questions or issues.
Frequently asked questions
Ready to use Greyn for your business?
Create a business account and discover how Greyn fits your activities.