10 Legal Marketing Changes You Need To Know For Your Business

For years, marketing compliance has been treated as an afterthought. Something for the legal team to “quickly check” before a campaign goes live.

But in 2026 and beyond, that approach is becoming increasingly risky.

The combination of the new Data (Use and Access) Act 2025 (DUAA), incoming AI regulation, tighter enforcement around digital advertising, and growing public concern around privacy means businesses can no longer afford to separate marketing strategy from legal responsibility.

And this isn’t just an issue for large corporations.

SMEs, family-run businesses, retailers, professional services firms, manufacturers, hospitality brands and ecommerce businesses are all now operating in a much more regulated marketing environment.

If you own a business and are investing in digital marketing, here’s what you need to know.

1. The Data (Use and Access) Act 2025 (DUAA)

The DUAA represents one of the biggest shifts in UK data protection since GDPR arrived in 2018.

The aim is to modernise how businesses use data while reducing unnecessary admin and “box-ticking” exercises. But it also places greater responsibility on businesses to justify how they collect, process and use customer information.

One of the biggest talking points is the introduction of “recognised legitimate interests.”

In simple terms, this allows businesses to process certain types of data without always relying on explicit consent, provided the activity is reasonable, proportionate, and in line with customer expectations.

For marketers, this matters hugely.

It affects:

• CRM and customer database management

• Lead nurturing emails

• Website analytics

• Audience segmentation

• Retargeting activity

• Customer insight gathering

• Event follow-up communications

• B2B marketing activity

The key point?

The law may reduce admin in some areas, but enforcement expectations are increasing elsewhere. Regulators now expect businesses to fully understand and justify their data use practices.

“We’ve always done it this way” will not be a defence.

2. AI Marketing Tools Are Now a Compliance Issue

AI has moved from “interesting trend” to mainstream business tool incredibly quickly.

Businesses are now using AI for:

• Copywriting

• Social media content

• Email campaigns

• Automated chatbots

• Image creation

• Customer service

• Personalisation

• Data analysis

• Predictive marketing

But many businesses are using these tools without governance, policies, or oversight. That creates risk.

The EU AI Act compliance deadlines will begin to tighten from August 2026. Although the UK is taking a slightly different approach, any UK business working internationally or handling EU customer data will still need to pay attention.

Areas likely to come under scrutiny include:

• Transparency around AI-generated content

• Automated decision making

• Use of customer data to train systems

• Bias and discrimination

• Deepfakes and synthetic media

• AI-generated advertising claims

• Lack of human oversight

If your team is using ChatGPT, Gemini, Claude or other AI tools as part of your marketing process, you need policies in place.

Not to stop innovation, but to ensure your business is protected.

3. The EU AI Act; Why UK Businesses Should Still Pay Attention

The EU AI Act is the world’s first major legislation specifically designed to regulate artificial intelligence, and its compliance deadlines will continue tightening from August 2026 onwards.

At first glance, many UK business owners assume this “doesn’t apply to them anymore” post-Brexit.

That is a dangerous assumption.

If your business:

• markets to EU customers

• sells products or services internationally

• stores or processes EU customer data

• uses AI systems that interact with EU citizens

• or works with EU-based suppliers or software providers

…then elements of the legislation may still affect you.

The Act focuses heavily on transparency, accountability, and risk management around AI systems.

For marketers and business owners, this could include:

• AI-generated content

• automated customer profiling

• chatbots and customer service tools

• AI-driven advertising

• personalised marketing systems

• image and video generation

• data usage within AI platforms

Businesses may increasingly need to disclose when AI is being used, demonstrate human oversight, and ensure customer data is being processed lawfully.

So What Approach Is The UK Taking?

Rather than introducing one large standalone AI law like the EU, the UK government is currently taking a more flexible, pro-innovation approach.

Instead of creating a single AI regulator, existing regulators such as:

• the Information Commissioner’s Office (ICO)

• the Competition and Markets Authority (CMA)

• the Financial Conduct Authority (FCA)

• Ofcom

• and the Advertising Standards Authority (ASA)

…are being encouraged to apply existing laws and guidance to AI within their sectors.

The UK’s position is designed to encourage innovation and avoid overburdening businesses with excessive regulation too early.

However, this does not mean UK businesses are “off the hook.”

In reality, most AI tools, software platforms, and advertising systems operate globally; meaning EU compliance standards are likely to influence how these technologies work everywhere, including the UK.

Over the next few years, businesses should expect:

• tighter rules around AI transparency

• increased scrutiny around customer data

• stronger expectations around documentation and governance

• and growing consumer concern around authenticity, misinformation, and ethical AI use

The businesses that benefit most from AI in the long-term will not simply be the fastest adopters.

They will be the businesses that use AI responsibly, transparently, and with proper oversight.

4. Cookie Consent and Website Tracking Still Matter

Many businesses assume cookie compliance was “dealt with years ago.”

In reality, a huge number of UK websites remain non-compliant.

Common issues include:

• Analytics cookies firing before consent

• Pre-ticked consent boxes

• Vague privacy policies

• Poorly configured cookie banners

• No consent logging

• Third-party tracking scripts installed without review

As digital advertising becomes more privacy-focused, businesses also need to understand how reduced tracking affects campaign performance and attribution.

Marketing teams now need closer collaboration between legal, web development, SEO and advertising functions than ever before.

5. Email Marketing and CRM Compliance

Email marketing remains one of the highest ROI channels available.

But it is also one of the easiest ways to create compliance problems.

Businesses should now be reviewing:

• How contacts were collected

• Whether consent records exist

• CRM data retention policies

• Opt-in wording

• Lead magnet compliance

• Purchased databases

• Automated nurture journeys

• Unsubscribe processes

Particular care should be taken with old databases.

A contact list built in 2017 may no longer meet 2026 standards.

6. Influencer Marketing and Paid Partnerships

The days of “casual” influencer marketing are disappearing.

The Advertising Standards Authority (ASA) continues to tighten expectations around transparency and disclosure.

If someone is promoting your product or service in exchange for:

• Payment

• Gifts

• Discounts

• Experiences

• Affiliate commission

• Free products

• Hospitality

…it is likely considered advertising.

And it must be clearly disclosed.

Hidden hashtags, vague wording, or unclear partnerships are increasingly being challenged.

This applies to businesses of all sizes; not just major consumer brands.

7. Environmental Claims and Greenwashing

Sustainability messaging is becoming another major legal risk area.

Businesses are increasingly using phrases such as:

• Eco-friendly

• Sustainable

• Carbon neutral

• Green

• Ethical

• Environmentally conscious

But regulators now expect businesses to evidence those claims.

The Competition and Markets Authority (CMA) has already increased scrutiny around greenwashing, and this will continue into 2026 and beyond.

If you make environmental claims in your marketing, you should be able to substantiate them.

Marketing language must now align with operational reality.

8. Accessibility Is No Longer Optional

Website accessibility is often overlooked in marketing discussions.

But inaccessible websites can create both legal and reputational risk.

Areas businesses should review include:

• Website readability

• Colour contrast

• Mobile accessibility

• Captioned video content

• Alt text for imagery

• Screen reader compatibility

• Accessible PDFs and downloads

Accessibility is not just about compliance.

It improves user experience, SEO performance, and conversion rates too.

9. Cross-Border Data Transfers and International Risk

Businesses using international software providers should also review where customer data is being stored and processed.

This includes platforms such as:

• CRM systems

• Email marketing software

• AI tools

• Analytics platforms

• Cloud storage providers

• Advertising systems

2026 enforcement priorities are expected to place greater focus on cross-border data transfers and digital identity verification.

If your suppliers process UK or EU customer data internationally, you need visibility over those arrangements.

10. The Real Risk Isn’t Just the Fine

Most businesses focus on regulatory fines. But the bigger issue is usually reputational damage. Loss of customer trust. Negative press coverage. Public complaints. Poor reviews. Loss of leads. Damaged partnerships.

Modern marketing is built on trust.

And compliance is increasingly part of brand reputation.

Final Thoughts

The businesses that thrive over the next five years will not just be the most creative.

They will be the most trustworthy. Marketing, legal compliance, customer experience and data protection are no longer separate conversations.

They are now deeply connected.

If your marketing strategy hasn’t been legally reviewed recently, now is the time to do it.

Because in 2026, “moving fast and breaking things” is no longer a viable business strategy.