Outlook
Part of Planning assumptions to test with marketing agencies
How buyers can track trends affecting marketing agencies
A practical method for buyers to choose, score and review trends affecting marketing agencies, with criteria for evidence, relevance and update triggers.
What to take away
- Most teams start by collecting trend lists from conference slides. That is the mistake. Start from the decisions you must make in 2027 and track only the trends that change them.
- For buyers working with marketing agencies, the trends that matter sit in four places: advertising regulation, paid search mechanics, ESG expectations and agency ownership models.
- Score each trend on evidence, relevance to your category and cost of being wrong. Ignore anything you cannot source.
- Set update triggers now, so a change in rules or platform features prompts a review rather than a scramble.
- Treat this as a reading list, not a ranking. Nothing here is tested or endorsed by US.
- Examples for a 2027 shortlist include ASA CAP Code enforcement on green and AI-generated claims; Google Ads AI Max, Performance Max and Demand Gen; CMA Green Claims Code; Ad Net Zero carbon measurement; IR35 off-payroll rules; employee ownership trusts.
How should you choose which trends to track?
Set inclusion criteria before you read anything. A trend belongs on your list only if it has a named source, applies to work you actually buy, and would change a contract, a brief or a budget line.
Trend inclusion criteria
- Has a named source
- Applies to work you buy
- Changes contract, brief or budget
- State your jurisdiction
Geography matters. Advertising self-regulation through the Advertising Standards Authority covers the whole UK, while some employment and procurement rules differ in Scotland, Wales and Northern Ireland. Say which jurisdiction you are buying in.
Use this page as a working shortlist: record each trend's source, how it affects a brief, budget or contract, and what change should trigger a review.
How should you monitor advertising rules?
Advertising rules move quietly. The ASA publishes enforcement updates and new guidance through its news page, and those announcements often change what a claim can say before any law changes.
Quarterly ASA claim check
- Read ASA news each quarter
- Note items touching your sector
- Check claim substantiation
- Add claim approval clause
For example, a team paying £6,000 a month for campaign creative may find that a comparative claim needs substantiation it has not gathered. That is a brief problem, not a media problem.
Check the ASA news on advertising regulation developments each quarter and note anything touching your sector. Then decide whether your agency contract needs a clause on claim approval.
What do paid search changes mean for budgets?
Google Ads ships features on its own timetable. New formats, bidding options and reporting changes can shift what an agency can promise on cost per acquisition.
Review the Google Ads new features announcements when you set quarterly targets. If a change affects measurement, your reporting line needs rewording.
Budget for this explicitly. An illustrative example: a business spending £20,000 a month on paid search might set aside 5 per cent, so £1,000 a month, for testing new formats before scaling them.
How do ESG expectations reach agency work?
The Chartered Institute of Marketing runs a sustainable marketing hub covering how environmental and social claims are handled in practice. Client procurement teams increasingly ask about it.
This affects agency propositions, not just campaign copy. Ask how media plans account for carbon, how suppliers are chosen and who signs off environmental claims.
If a claim cannot be evidenced, it should not run. Put that test in the brief and in the approval workflow.
Which commercial models are changing?
Agency ownership and staffing models keep shifting. Some groups consolidate specialist teams; others rebuild in-house units and buy support by project.
The marketing agencies risk scenarios in England article maps what happens when a key team leaves or a parent restructures, which is the practical version of this trend.
Ask any shortlisted agency how much of your account sits with named people, and what happens if they move. Get that in writing.
How should you score each trend?
Use the same rubric across the list. Score out of five, then multiply by weight. Keep it simple enough to repeat each quarter.
| Criterion | What it measures | Weight |
|---|---|---|
| Sourced evidence | Named regulator, platform or institution | x3 |
| Category relevance | Applies to work you buy now | x3 |
| Contract impact | Changes brief, budget or terms | x2 |
| Timing clarity | Known date or named trigger | x2 |
| Cost of being wrong | Downside if ignored | x2 |
Total the weighted scores and rank. Review anything scoring above 30 at your next planning session. Drop anything you cannot source.
Common questions
How often should the list be reviewed?
Quarterly is enough for most buyers, with an off-cycle review when a named source publishes a change that touches your sector. Tie the review to your budget cycle so findings land before commitments are made.
Does this apply outside England?
Advertising self-regulation applies across the UK, so much of it does. Employment, procurement and some sector rules differ in Scotland, Wales and Northern Ireland, so confirm the position where you buy.
Should a trend list name specific agencies?
No. Name the rule, platform or institution that drives the change, then test each shortlisted agency against it. Naming suppliers turns a planning tool into a ranking, which is not what this is for.
What is the strongest update trigger?
A published change from a regulator or the platform you spend on. When that happens, revisit the affected brief, budget line or contract clause within one planning cycle.
