The NMBS is a centralised buying society for independent builders and timber, hardware, plumbing and heating merchants. It has over 1,000 members and 3,000 branches and its buying power exceeds £1.2 billion. The NMBS is non-profit retaining and owned by its members.
Kelkay joins a supplier portfolio of over 600 businesses in the society, having finalised a two-year trading agreement.
Kelkay managing director Antony Harker said: "NMBS is the most successful buying group in the UK and we are very proud to become members. It is a very exciting development of the business and we have already seen an increase in enquiries, the membership will offer Kelkay a range of fantastic opportunities."
Kelkay will be exhibiting at the NMBS Exhibition on Thursday 16 April 2015 at the Ricoh Arena in Coventry.