Technology firm GB Group, which commissioned Manchester Business School to undertake the research, said UK firms and government agencies were making up to half a billion identity checks on customers each year.
This could place a great burden on individual consumers who had to produce passports or driving licences to prove who they were, the group said.
For example, those moving house may have their identity checked more than five times throughout the process by different organisations such as estate agents, solicitors, financial advisers, lenders and the Land Registry.
"Most [consumers] are frustrated to be asked to produce documents such as passports and driving licences, often a number of times by different departments of the same business," Rob Laurence, GB Group spokesman, said.
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