Please read the below statement through with your customer:
Experian will process this data solely for the purpose of verifying your income and/or employment and to improve their income/employment verification service. This will be completed in line with Experian’s Work Report privacy policy.
If you want to read a full copy of Experian’s Work Report privacy policy you can access it via https://www.experian.co.uk/business/WRPP.
Using Experian to carry out this check is likely to speed up the application process, however, we can obtain the required information from you manually if you prefer.
Are you happy to provide Nationwide these details and give your consent to pass this information to Experian in order for them to carry out these checks to allow us to verify your income and employment?