The business intelligence company, which gathered information from companies sales ledgers, said small paper, printing and packaging companies were much better at paying their bills than large companies, needing an average of 56 days compared to the 74 needed by the bigger boys.
The average payment period across all industries was 57.9 days, an improvement of 0.8 days on the previous six months.
A spokesman for Experian said that if large paper, printing and packaging firms were taking 74 days on average to pay, the worst offenders would take up to 130 days or more.
The electricity industry takes the longest time to pay with an average of 77.9 days.
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