Author

Adelina Peltea

Read time

13 mins

Published

Sep 1, 2024

Share

The GDPR and marketing: What marketing teams need to know to stay compliant

It’s launch day, and your campaign is ready to go live with precise targeting, powerful creative, and a landing page designed to convert. Then someone on the compliance side flags it because a data source needs consent documentation. The retargeting list was built before the right permissions were in place. So the campaign is paused while the marketing team resolves it.

This scenario is far from unusual and represents one of the most common friction points between marketing operations and GDPR compliance requirements. GDPR responsibilities don’t solely reside with the legal department. 

GDPR compliance affects every stage of how marketing teams operating in the European Union collect, use, and act on personal data. Understanding where those boundaries sit separates teams that move quickly (but with risks) from teams that move quickly while remaining privacy-compliant.

This guide explains how the GDPR affects marketing, from who owns the processes to which legal bases you can use and how to build GDPR-compliant workflows.

Why the GDPR matters for marketers

The EU’s General Data Protection Regulation (GDPR) doesn’t just regulate data collection or storage. It directly shapes marketing data access and protection practices, from the moment a visitor lands on a website to the email they receive days later.

For marketing teams, this means every touchpoint that involves personal data needs a lawful basis. That includes tracking pixels, retargeting campaigns, email lists, and analytics tools. The regulation doesn’t distinguish between “marketing data” and other categories. If it’s personal data, the GDPR applies.

But understanding how the GDPR affects marketing goes beyond simply avoiding penalties. It changes how digital marketers build and execute campaigns. For instance, targeting capabilities may narrow when consent isn’t obtained, and attribution models can break when tracking is restricted. 

These realities force marketing teams to rethink strategies around first-party data, transparency, and trust-based audience relationships.

The upside? When marketing teams integrate GDPR compliance into their workflows from the start, they build campaigns that audiences actually want to engage with. GDPR compliance marketing isn’t a box-ticking exercise. It’s a way of earning customer trust, which is the foundation of sustainable marketing performance.

What are the legal bases for processing data for marketing teams?

Under the GDPR, every piece of personal data processed requires a legal basis. There are six in total, but three are used most frequently in marketing contexts. Understanding which basis applies to each activity is critical because it determines what obligations a company has and what rights users can exercise.

The three most relevant legal bases for GDPR marketing are consent, legitimate interest, and contractual necessity. Each carries different requirements and applications.

Consent

This is the most straightforward legal basis. The individual is informed and clearly agrees to have their data collected for a specific purpose. GDPR marketing consent must be informed, freely given, and easy to withdraw. Cookie banners and email sign-up forms are common places where this applies.

Legitimate interest

Processing data sometimes serves a genuine business need that doesn’t require explicit consent, provided it doesn’t override individual rights. Sending a transactional email after a purchase, for example, may fall under this basis. 

But using it as a shortcut for GDPR digital marketing campaigns is a common mistake, and companies choosing this legal basis need to be prepared to justify it.

Contractual necessity

If processing personal data is necessary to fulfil a contract with the user, that’s a valid basis. This tends to come up more in e-commerce and service delivery rather than pure marketing activity. For instance, you can process a customer’s address to ship a product they ordered, but you can’t use that address for unrelated marketing communications without separate consent.

The key is matching the right legal basis to the right activity, and it’s possible for your company to perform different marketing activities that fall under different legal bases. Misjudging this is one of the most common ways marketing teams end up noncompliant with the GDPR.

Who is responsible for GDPR compliance in marketing teams?

Responsibility for GDPR compliance among marketers depends on the size, nature, and structure of your business, but there are specific obligations regarding marketing and the GDPR that apply across the board.

In smaller organizations, one person might wear multiple hats. In larger teams, compliance responsibilities are often distributed across several roles. Either way, clarity on who owns what prevents gaps that could lead to violations.

Data Protection Officer

A Data Protection Officer (DPO) is responsible for ensuring personal data is processed in line with GDPR requirements. The role is legally required in some organizations, depending on operations, and can be filled internally or by an external provider. Having a DPO in place signals commitment to privacy-led practices, which builds trust with both customers and partners.

The DPO’s responsibilities typically include:

• Creating and regularly reviewing data privacy policies and standards
• Handling data subject requests promptly and securely
• Monitoring ongoing GDPR compliance across your organisation
• Maintaining detailed records of processing activities
• Reporting data breaches to the relevant authority and notifying affected individuals
• Training staff on GDPR compliance and data protection on an ongoing basis

Data controller and data processor

The data controller decides why and how personal data is processed. The data processor acts on the controller’s behalf, carrying out instructions and processing activities. 

In most cases, the business is the controller, and the tools and platforms used for marketing are processors. Understanding this distinction matters because each role carries different GDPR obligations.

As the controller, the business is responsible for ensuring any processor meets GDPR standards. This includes reviewing data processing agreements, confirming appropriate security measures exist, and ensuring processors only handle data according to instructions provided.

Learn more about joint controllership under the GDPR — benefits and obligations.

Legitimate business interest

When marketing teams rely on legitimate interest as a legal basis, the responsibility for justifying that interest sits with the data controller. Marketing teams cannot simply claim legitimate interest without documenting why the processing is necessary and why it doesn’t override users’ rights.

In practice, this often falls to the marketing manager or head of marketing in collaboration with legal or compliance teams. Conducting a Legitimate Interest Assessment before starting any campaign that relies on this basis is essential. Without that assessment, the legal basis may not withstand scrutiny.

How GDPR responsibilities are spread across marketing roles

GDPR marketing compliance isn’t the sole responsibility of one team or role. Compliance touches almost every function within a marketing organization. Anyone who handles personal data, creates campaigns that rely on it, or designs systems that collect it plays a part in maintaining compliant operations.

Here’s how those responsibilities break down across common marketing roles:

The GDPR compliance checklist for marketers

GDPR compliance in marketing requires deliberate action across multiple processes. The following checklist provides a framework for establishing and maintaining compliant data practices.

1. Audit your data sources

Identify where personal data enters the marketing stack and why. Assigning a legal basis to a data process requires first identifying that process. Start with daily-use tools: CRM systems, ad platforms, analytics suites, and email providers.

This audit should document:

• What data is collected at each touchpoint
• Which systems store and process that data
• How long data is retained and how it’s deleted/anonymized
• Who has access to data (and at what levels)
• What purposes is data used for

Without this foundation, compliance efforts lack the visibility needed to be effective.

2. Assign a legal basis to each data process

Consent, legitimate interest, and contractual necessity each carry different obligations. Document which basis applies to each activity. If the reason for processing a piece of data cannot be clearly stated, that represents a compliance gap worth addressing.

For each data process, record:

• The specific legal basis being used
• Why is that basis appropriate
• What obligations it creates
• What rights individuals have and how they can exercise them

This documentation protects your organization if regulators ask questions or if individuals submit rights requests.

3. Make consent easy to give and withdraw

The GDPR requires that consent be as easy to withdraw as it is to give. No pre-ticked boxes. No opt-out buried three clicks deep. If current consent flows don’t pass that test, they need to be redesigned. 

For best practices, also make it equally easy to change consent preferences at a granular level, any time without fully revoking them.

Effective consent mechanisms:

• Use clear, plain language
• Separate different categories for consent (e.g., analytics vs. marketing)
• Provide granular controls
• Remember preferences across sessions (and devices)
• Make consent withdrawal equally simple

4. Keep records of processing activities

This is a direct GDPR requirement, not merely good practice. Records protect organizations if data protection authorities ask questions or if individuals submit access requests. Keep them updated as marketing activities change.

5. Train your team

Anyone who handles personal data needs to understand their responsibilities. This includes people who might not think of themselves as “data people.” A copywriter setting up an email sequence or a designer building a sign-up form both interact with personal data, and access controls are not enough on their own.

That’s why training that covers the basics of GDPR advertising responsibilities and how to handle data subject requests is crucial. Regular refreshers help ensure that knowledge stays current as regulations, technologies, and practices evolve.

6. Review your third-party tools

Every marketing platform processes personal data on behalf of the organization. Check their privacy policies and data processing agreements. If a vendor cannot clearly explain how their tool or system handles and protects user data, that represents a risk worth addressing before it becomes a problem.

7. Respond to data subject requests quickly

Individuals have the right to access, correct, or delete their personal data, and under the GDPR, organizations have 30 days to respond to these requests. It’s not enough to react once a request arrives — teams need a clear process in place ahead of time. This means defining who owns the request, how the requester’s identity is verified, how it will be tracked, and which systems need to be updated to fulfill it accurately and completely. 

Marketing teams are often the first point of contact when someone reaches out, so they should know exactly how to handle inquiries and escalate them if necessary.

8. Test your GDPR email marketing flows end-to-end

Unsubscribe options, consent records, and data retention policies need to work correctly in practice, not just on paper. Run through email sequences as recipients would experience them. Gaps tend to appear in the details.

For instance, each unsubscribe link should function reliably, and any preference changes must take effect immediately. Confirmation emails need to convey accurate information, and data should be deleted promptly when requested. 

At the same time, consent status has to stay in sync across all systems, ensuring that every interaction reflects the user’s choices consistently.

Common GDPR mistakes marketers make and how to avoid them

Even well-intentioned marketing teams can fall into regulatory compliance traps. Understanding these common errors helps prevent them.

Assuming consent is always needed

Consent is the most well-known legal basis, but it’s not the only one. Defaulting to consent for every data process can create unnecessary work. Legitimate interest or contractual necessity may be more appropriate in some cases, but whichever basis is chosen must be justified and documented.

The key is evaluating each data processing activity individually. Some activities legitimately require consent. Others don’t. Using the wrong basis creates compliance risk regardless of which direction the error goes.

Treating consent as a one-time event

Consent needs to be informed, specific, and granular. A blanket “I agree to everything” checkbox doesn’t meet GDPR standards. Individuals need to understand what they’re agreeing to and be able to change their minds at any point. Notifications must be kept up to date so individuals know about current data processing operations as things change over time.

Effective consent management means:

Ignoring GDPR advertising requirements

Paid campaigns aren’t exempt from GDPR rules. If personal data is used to target ads, including through retargeting or lookalike audiences, the same GDPR advertising requirements apply. Platform-level consent tools help, but they don’t replace organizational compliance obligations.

Neglecting data minimization

Collecting more data than necessary isn’t just wasteful — it’s a GDPR violation. Marketing teams should only collect personal data that directly serves a stated purpose. If you can’t identify a reason for a piece of data to exist in your systems (and the legal basis for it), it probably shouldn’t be there.

Data minimization means regularly reviewing what you collect, removing fields that don’t serve current purposes, resisting the urge to gather information “just in case,” setting retention limits based on actual need, and deleting anything that’s no longer necessary.

What happens if you don’t comply with the GDPR?

For marketing teams, handling personal data isn’t just part of the job — it’s central to many campaigns and to marketing performance. Failing to comply with the GDPR carries serious financial, operational, and reputational consequences.

Noncompliance is costly. The GDPR allows fines of up to four percent of annual global turnover or EUR 20 million, whichever is higher. These penalties aren’t always one-off hits. Repeated violations can trigger escalating enforcement action. Additionally, the GDPR allows for a private right of action, so companies may also face lawsuits for violations.

Beyond financial impact, noncompliance damages brand reputation, eroding trust with customers, driving business to competitors, and making potential partners look elsewhere.

EU regulators also have the power to restrict data processing activities or require deletion of existing data. This can directly disrupt marketing campaigns, targeting, and analytics.

“Compliance is no longer just a legal checkbox. How a company handles personal data directly shapes customer trust and brand credibility. Marketing teams that get this right gain a competitive advantage, while those that ignore it risk immediate operational disruption and long-term reputational damage.”

Adelina Peltea

— CMO of Usercentrics

Examples of companies that have violated GDPR compliance

Since the GDPR came into force in 2018, more than 4,600 recorded fines have been levied for various types and severities of noncompliance. Huge fines for big tech companies get headlines, but there is plenty of “shadow enforcement” for smaller companies, and the penalties for noncompliance can hit smaller businesses much harder.

Here are some examples of smaller businesses that have incurred GDPR fines.

Learn more about the biggest GDPR fines of the past 5 years.

How Usercentrics supports marketing teams seeking GDPR compliance

The GDPR shapes how marketing teams collect, use, and activate personal data. For many organizations, it has shifted compliance from a legal checkbox to a practical part of building transparent, long-term customer relationships.

That starts with knowing which legal basis applies to each marketing activity and making consent easy to give, review, and withdraw. It also means aligning teams, tools, and processes so user choices are respected consistently across channels. 

The companies that do this well aren’t looking for shortcuts. They recognize that privacy by design supports consent-based relationships, leading to more reliable data and stronger trust over time.

Usercentrics is designed to support this way of working. We help marketing teams manage consent across websites, apps, and connected marketing tools, providing a clear view of who has consented to what, and under which legal basis. 

By integrating consent signals directly into marketing workflows, it reduces uncertainty around data use and helps ensure campaigns align with GDPR requirements as companies grow.

When consent is handled transparently and consistently, teams’ reliance on data becomes more meaningful, and trust becomes part of the value exchange rather than an afterthought.