Many brands are hitting efficiency targets - strong ROAS, low CPA, even high conversion rates - and still feeling stuck. On paper, performance looks healthy. In reality, growth has plateaued.

The issue isn’t execution. It’s orientation.

Performance marketing has become the dominant perceived growth lever for many brands, but when relied on in isolation, its full potential is limited. It excels at capturing demand that already exists, but it’s not a key approach for generating demand. Over time, relentless optimisation for short-term ROI begins to starve the very engine that fuels sustainable growth: brand and long-term demand creation.

Here’s why that matters - and why the next performance advantage will come from balance, not optimisation alone.

Short-term metrics are dominant but can be dangerous

Today’s marketing ecosystem prioritises instantly measurable outcomes. Immediate response metricsBut being laser focussed on short-term outcomes can obscure the true drivers of growth.

A recent WARC thought piece in partnership with Google  highlights that concentrating on short-term ROI can obscure half of the value generated by marketing investments, because long-term effects often aren’t captured in short-term measurement frameworks.

In fact, industry research shows that 55% of marketers rank ‘short-termism’ as a major problem, with budget pressures pushing spend disproportionately toward performance channels like search and social at the expense of brand building.

Brand creates demand. Performance Harvests it

The influential work of Les Binet and Peter Field on marketing effectiveness remains one of the most robust evidence bases we have for long-term strategy. Their extensive analysis of IPA (Institute of Practitioners in Advertising) case studies has repeatedly shown that:

• Activation-focused tactics deliver immediate but fleeting sales lifts.
• Brand-building campaigns take longer to show results, but drive sustained growth, stronger margins, and long-term profitability.
• The optimal balance for most brands sits around 60% brand + 40% activation, not the reverse.

Their research shows that campaigns with a strong long-term focus are far more likely to generate significant market share growth than short-term strategies alone.  

Beyond IPA case studies, we see the same principle play out in how people make decisions.

Research into mental availability, most notably from the Ehrenberg-Bass Institute, shows that brands grow by being easy to think of and easy to choose in buying situations. This is driven by long-term brand exposure, not short-term activation alone.

Performance channels tend to operate best during the moment of choice. But brand activity does the heavier lifting much earlier, building familiarity, trust, and emotional association that pre-conditions that choice.

Google’s own analysis reinforces this dynamic. Their work on demand capture vs demand creation highlights that lower-funnel channels (such as paid search) are significantly more effective when brand activity has already increased consideration and intent upstream. In simple terms, performance improves when the brand has done its job first.

This explains a common pattern seen across mature accounts:

• When brand investment is reduced, performance initially holds, then costs rise and volume stalls
• When brand investment is sustained, performance efficiency improves over time, even without tactical changes

What happens when you lean too hard on performance alone

Performance marketing plays a vital role in any advertiser’s growth strategy. It delivers accountability, efficiency and measurable impact - especially when brands are under pressure to prove return. However, when performance becomes the only growth lever, it can begin to expose structural challenges that limit long-term scale.

1. Rising Costs and Flat Returns
As more advertisers chase the same lower-funnel audiences, costs (like CPCs) climb faster than conversion volume, making tactical efficiency harder to sustain. Brand investment, on the other hand, improves demand and reduces acquisition costs over time.

2. Short-Term Successes, Long-Term Stagnation
Without broad awareness, conversion-focused channels run out of new people to convert. Performance then becomes a self-limiting engine, efficient for gleaning current demand but ineffective at expanding it.

3. Misleading Measurement
Last-click and short-term ROI frameworks don’t meaningfully capture longer-term compound effects such as price elasticity, a deeper brand preference, or reduced sensitivity to promotional campaigns, all of which are crucial for sustainable growth.

4. Balance is not a buzzword, it’s a strategic imperative
The evidence is clear: brands that strike a balanced marketing mix outperform those that prioritise short-term efficiency alone.

A smart mix that acknowledges both brand building and performance conversion does more than ‘hedge your bets’, it creates a multiplier effect where brand awareness increases demand and performance tactics effectively convert it.

Before you say it, this doesn’t mean abandoning performance metrics, it means expanding what we measure beyond last-click attribution to include the likes of; share of search, direct traffic, conscious availability, pricing power and other indicators of long-term value.

So what should we as marketers do next?

As we’ve established, performance and brand working hand in hand is the real advertiser sweet spot for driving meaningful ROAS and ROI. Here are three practical ways to rebalance your marketing mix to generate both short-term and long-term growth.

1. Reframe the metrics of success
Include long-term KPIs like brand salience and penetration alongside short-term performance metrics such as conversion rates and CTRs.
2. Strategically reallocate
Consider shifting budget toward channels and creatives that build brand recall/resonance, even if they don’t convert immediately.
3. Communicate the value of balance
Communication and alignment with leadership is key. Provide C-Suite with evidence-based effectiveness research and any direct historical data to defend your brand investment as a business driver, not a cost centre.

Final thoughts: The future of performance is balance

The implication is clear: brand doesn’t compete with performance, it compounds it.

Where brand builds memory and preference, performance converts that latent demand efficiently. Separated, both struggle. Combined, they create a growth system that is greater than the sum of its parts.

This balance is essential because performance marketing is not failing; it is very effective at what it does, but can be too narrow in its focus. The next frontier of growth isn’t found by squeezing out incremental ROAS improvements but by thoughtfully balancing short-term activation with long-term demand creation. In a world obsessed with instant metrics, the real opportunity lies in remembering that growth needs both speed and endurance.

In a world obsessed with instant metrics, the real opportunity lies in remembering that growth needs both speed and endurance.