"Who uses your National Insurance number?

These organisations need to know what your number is:

HM Revenue and Customs (HMRC) your


the Department for Work and Pensions (which

includes Jobcentre Plus and the Pension, Disability and Carers Service), if you

claim state benefits, or in Northern Ireland the Department for Social

Developmentyour local council, if you claim Housing

Benefit, or the Northern Ireland Housing

Executive Electoral Registration Officers (to check

your identity when you register to vote)the Student

Loan Company, if you apply for a student loanyour

pension provider if you have a personal or stakeholder

pensionyour Individual Savings Account (ISA)

provider, if you open an ISA

authorised financial service providers who help you

buy and sell investments like shares, bonds and derivatives

- you can check if your provider is authorised Financial Conduct Authority

*To prevent identity fraud, keep your National Insurance number safe. Don’t share it with anyone who doesn’t need it."

Advice taken from Gov.uk