How to make a Complaint to NS&I
Call the NS&I complaints line on 0800 092 1286 if you have a complaint about a product or service. Other contact methods including online and post, and NS&I resolve to handle complaints in a systematic fashion keeping the customer informed at all times.
NS&I complaint contacts like Phone, email and support form
Complaint via Phone number : 0800 092 1286
Customer Service Number: 08085 007 007
The Complaint via Email : firstname.lastname@example.org
Complaint via Support Form : NS&I Support Form
NS&I complaint website : nsandi.com
Corporate Head Office address
Riverside Place,, Durham DH1 1SL
National Savings and Investments (NS&I), is a state-owned savings bank in the United Kingdom. NS&I attracts savers through offering savings products with tax-free elements on some products, and a 100% guarantee from HM Treasury on all deposits.
The NS&I offers a wide range of savings and investment products, specialising in tax-free and income-generating products.
Products & Services
Savings and Investments
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Use below complaint form to discuss problems you have had with NS&I , or how they have handled your complaints. Initial complaints should be directed to NS&I directly. You can find complaint contact details for NS&I above.