We need to know your nationality as part of our regulatory requirements. For UK nationals or residents, this is evidenced by providing your National Insurance Number. For non-UK nationals or those with dual-nationality, you will need to provide your National Client Identifier (NCI).

The National Identifiers differentiate depending on your nationality and range from personal identity codes through passport numbers to tax numbers. In most cases, your NCI will be included in your personal ID document (identity card or passport).