Skip to content

Data Controller Responsibilities: Legal Requirements for Business Owners

Table of Contents

In Short

  • Data controllers determine how personal data is processed and must comply with strict UK GDPR rules.
  • Responsibilities include ensuring data security, notifying the ICO of breaches, and maintaining accurate processing records.
  • Non-compliance can lead to severe penalties, so understanding and fulfilling these obligations is critical.

Tips for Businesses

Document your data processes and maintain clear privacy notices to ensure transparency. Regularly review security measures and train staff to handle data responsibly. Seek legal advice to clarify specific compliance duties tailored to your business’s operations.

The UK GDPR rules give rise to various mandatory legal requirements, and compliance with them is compulsory and not simply optional. If your business collects or uses personal data you control, you likely act as a data controller under UK GDPR. Acting as a data controller carries significant responsibilities, and understanding these obligations is essential to ensure compliance with the law. Failing to meet your data protection obligations can lead to severe consequences such as fines and reputational damage, but taking proactive steps can protect your business from such risk. This article explores the role of a data controller and key data responsibilities under data protection law rules. 

Business owners must understand what it means to be a data controller (particularly if your business acts as one).  As a data controller, your business must ensure that all its data processing activities comply with UK GDPR rules.

As a data controller, your business determines how and why personal data is processed. This means you hold specific responsibilities that differ from those of a data processor. Recognising and understanding your controller role is vital to effectively complying with your legal obligations. 

Processors (by contrast) act only on instructions from the controller. They take on responsibilities that are narrower in scope but still critical to overall compliance.

Misinterpreting or overlooking your role as a controller can lead to compliance gaps and increased risks for your business – from regulatory fines to severe reputational damage. By clearly understanding your role from the outset, you will be in a much better position to ensure that your company’s data practices comply with the UK GDPR rules

Front page of publication
GDPR Essentials Factsheet

This factsheet sets out how your business can become GDPR compliant.

Download Now

Complying with UK GDPR is not a one-size-fits-all process for all businesses and needs to be considered case-by-case. Controllers must follow stringent legal requirements for compliance with data protection laws. These requirements vary depending on the nature of the industry and its specific processing activities.

What are Key Responsibilities for Data Controllers?

Typical responsibilities of data controllers include but are not limited to the following: 

  • Follow Data Protection Principles. You must comply with the fundamental UK GDPR principles. These include processing data lawfully, fairly, and transparently, limiting collection to what is necessary, ensuring accuracy, limiting retention, and securing data against unauthorised access.
  • Support Individuals’ Rights. You should have processes to enable individuals to exercise their rights over personal data. These include accessing, correcting, deleting, or restricting its use. By simplifying this process, you can build trust and remain compliant with UK GDPR requirements.
  • Maintain Data Security. You must implement “appropriate technical and organisational measures to protect personal data.” Examples of such measures can include encryption, restricted access, audits, and employee training. Robust data security can help your business reduce breach risks and demonstrate a commitment to safeguarding data. However, your company should carefully consider the appropriate measures to implement for your particular business data processing activities. 
  • Assess and Manage Processors Carefully. If you engage with third-party processors, you must ensure they have robust data protection practices to safeguard any personal data you share. Therefore, you should carefully assess prospective processors’ security measures, expertise, and reputation before engaging them and regularly audit their compliance with UK GDPR rules. 
Continue reading this article below the form
Need legal advice?
Call 0808 196 8584 for urgent assistance.
Otherwise, complete this form and we will contact you within one business day.

Examples

Some further examples of data controller responsibilities include:

  • Draft Processor Contracts with Key Clauses. UK GDPR requires you to enter into a contract with any processor (a third party processing personal data on your behalf and on your instructions) that sets out mandatory terms, including the roles of each party and a description of the data processing’s purpose, nature, and duration. Your contracts should cover vital terms such as confidentiality, data security requirements, and end-of-contract data handling. Transparent and compliant agreements with third-party processors can help protect your business from risk. 
  • Notify the ICO of Data Breaches. If a reportable personal data breach occurs that could risk individuals’ rights and freedoms, you must notify the ICO promptly within strict timeframes (usually within 72 hours of becoming aware). For high-risk breaches, you must also inform affected individuals directly. A breach notification procedure can help you deliver quick responses and mitigate damage. 
  • Demonstrate Accountability Through Documentation and Records. As a controller, you will likely need to implement and maintain a range of documentation, such as detailed records of processing activities, Data Protection Impact Assessment records, and various policies and procedures (such as staff data protection policies). Thorough documentation can help demonstrate your compliance and could also support you in the event of an ICO investigation against your business. 
  • Provide Privacy Information. As a controller, it is vital that you inform individuals about how and why you will use their personal data, for example, through customer privacy policies and staff privacy notices.
  • Ensure Compliance in International Data Transfers. Suppose you are transferring personal data outside the UK. In that case, you must follow specific rules governing international data transfers. You may need to put specific safeguards in place. One example would be having contracts with third parties in specific countries outside the UK.
  • Pay the Data Protection Fee. Unless your business is exempt, most data controllers must register as data controllers and pay the UK ICO an annual data protection fee, which is payable annually.

Data Controller Obligations

Data controllers have a range of legal obligations, and it is vital for business owners whose businesses are data controllers to prioritise compliance. The UK GDPR legislation is vast and contains several mandatory rules. Although these considerations reflect some of the primary responsibilities of data controllers, your business’s specific requirements may differ based on your operations and data processing activities. 

Working with a data protection lawyer can provide your business with practical guidance tailored to help you clarify obligations unique to your data processing activities. For example, a business with employees has additional controller responsibilities (such as providing staff privacy notices), while a company without staff may face different compliance priorities. Legal advice can help you pinpoint these areas of compliance, develop compliant practices, and protect your business against risk. 

Key Takeaways

As a data controller, your business is likely to have a wide range of UK GDPR compliance obligations. These include reporting personal data breaches, providing individuals with privacy information, and demonstrating accountability. Compliance is not, however, a one-size-fits-all approach and depends on the nature of your data processing activities. If you need support understanding your legal obligations, you can seek advice from a data protection solicitor. 

If you need help understanding your privacy compliance-related legal obligations as a business owner, our experienced data privacy lawyers can assist as part of our LegalVision membership. For a low monthly fee, you will have unlimited access to lawyers to answer your questions and draft and review your documents. Call us today on 0808 196 8584 or visit our membership page.

Frequently Asked Questions

What is a data controller?

A data controller decides how and why personal data is processed. They have a range of mandatory obligations under data protection law.

Why is UK GDPR compliance important?

Compliance with the UK GDPR is mandatory and not optional. Its rules can help your business in various ways. For instance, by ensuring responsible handling of personal data, you will be in a better position to avoid penalties such as fines, protect your reputation, and build trust.

Register for our free webinars

Deal Structures 101: Understanding Equity, ASAs and Convertible Notes

Online
As a startup founder, understand your capital raising options. Register for our free webinar today.
Register Now

Common Legal Pitfalls for SaaS and Online Businesses

Online
Protect your online or SaaS business from common legal pitfalls. Register for our free webinar.
Register Now

GDPR Compliance Essentials for SMEs

Online
Ensure our business is compliant with GDPR and build trust with customers. Register for our free webinar.
Register Now
See more webinars >
Sej Lamba

Sej Lamba

Read all articles by Sej

About LegalVision

LegalVision is an innovative commercial law firm that provides businesses with affordable, unlimited and ongoing legal assistance through our membership. We operate in Australia, the United Kingdom and New Zealand.

Learn more

We’re an award-winning law firm

  • Award

    2024 Law Company of the Year Finalist - The Lawyer Awards

  • Award

    2024 Law Firm of the Year Finalist - Modern Law Private Client Awards

  • Award

    2023 Economic Innovator of the Year Finalist - The Spectator

  • Award

    2023 Law Company of the Year Finalist - The Lawyer Awards

  • Award

    2023 Future of Legal Services Innovation - Legal Innovation Awards