Comment by hdgvhicv

And customer are also paying cash handling fees, which in the U.K. at higher than card handling fees.

Companies that prefer or only take cash tend to do it for tax evasion rather than cost purposes.

U.K. fees tend to be about 1-1.5% all in, for cash or card (excluding cost of employee taking cash to bank). Things like pix, net, grocers about 0.5-1%. Nets QR is cheaper than Nets rfid.