Senwes offers grain handling, finance & retail support to SA farmers from Klerksdorp. Email: communications@senwes.co.za. Senwes, one of South Africa's oldest agri-businesses, has operated since 1909 from its headquarters in Klerksdorp, North West. It serves commercial and emerging farmers through grain handling, agri-finance, retail, mechanisation, insurance, and technology services. Senwes is listed on the JSE and actively drives agri-innovation.