Businesses that collect or use personal information must comply with UK data protection law. Personal data includes any information that can identify a living individual, such as names, addresses, contact details, financial information or online identifiers. The rules apply whether information relates to customers, employees or suppliers, and whether it is stored digitally or on paper.

The main legal framework is the UK General Data Protection Regulation together with the Data Protection Act 2018. These rules require businesses to use personal data lawfully, fairly and transparently, and only for clearly defined purposes. Organisations should collect only the information they genuinely need, keep it accurate and up to date, and retain it only for as long as necessary. Appropriate security measures must be in place to protect data from loss, misuse or unauthorised access.

Businesses are expected to inform individuals how their data will be used, usually through a privacy notice explaining what information is collected, why it is required and how long it will be retained. Individuals have the right to access their personal data and request corrections or deletion where appropriate. Organisations must normally respond to such requests within one month.

Many businesses are also required to register with the Information Commissioner’s Office and pay a data protection fee, unless exempt. Overall, effective data protection helps maintain trust, supports compliance and reduces the risk of financial penalties or reputational damage arising from data breaches.