Recycling Clothes Business

Hi, new member so hope I'm asking in the right place.
I'm looking at starting a clothes collection business in West Yorkshire, (Used clothes, shoes etc).
I've noticed many of these springing up recently with metal recycle boxes on street corners etc.
My main question is if anyone has any contacts of who would purchase these off me in bulk, ie recycle companies etc.
Any info on this business would be appreciated
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Doing business in Portugal