Marketing Budget Allocation: Stop Spreading It Thin

Marketing budget allocation is the process of dividing available spend across channels, campaigns, and teams in a way that maximises commercial return. Done well, it forces prioritisation and honest thinking about what actually drives growth. Done poorly, it becomes a political negotiation dressed up as strategy, where budget follows habit rather than evidence.

Most allocation problems are not really budget problems. They are clarity problems. When a business is unsure what it is trying to achieve, or which activities are genuinely moving the needle, the default is to spread spend evenly and call it balanced. That is not balance. It is indecision with a spreadsheet attached.

Why Most Allocation Decisions Are Made Backwards

The standard approach to marketing budget allocation in most businesses goes something like this: take last year’s budget, add or subtract a percentage based on business performance, divide it across the same channels as before, and present it as a plan. It is fast, defensible, and almost entirely disconnected from strategy.

I have sat in enough planning cycles to know that this is the norm, not the exception. At one agency I ran, we inherited a client whose media mix had not materially changed in four years. Not because the mix was performing well, but because nobody had ever seriously challenged it. The incumbent channels had become institutional. Changing them felt risky. Leaving them felt safe. The business was flat.

The problem with backward allocation is that it embeds assumptions rather than testing them. If paid search consumed 60% of your budget last year and you simply roll that forward, you are implicitly claiming that paid search remains the best use of 60% of your budget. That may be true. But you should be able to defend it with evidence, not just precedent.

Good allocation starts with objectives, not with last year’s numbers. What is the business trying to achieve in the next 12 months? What customer behaviour needs to change for that to happen? Which activities, at which stages of the funnel, are most likely to drive that change? Budget should follow those answers. If it does not, you are funding habit, not strategy.

If you want a broader framework for how budget decisions sit within marketing operations, the Marketing Operations hub covers the full picture, from planning and measurement through to team structure and governance.

The 70/20/10 Framework: Useful, But Frequently Misapplied

The 70/20/10 model, where 70% of budget goes to proven activities, 20% to emerging channels, and 10% to experimental work, is one of the most widely cited frameworks in marketing planning. It is also one of the most frequently misused.

The logic is sound. You protect core performance while creating structured space for learning and innovation. The problem is that most businesses apply the percentages without interrogating what goes in each bucket. The 70% is supposed to represent what is genuinely working. In practice, it often represents what is familiar. Those are not the same thing.

If your core 70% is underperforming and you simply protect it because it is established, you are not being disciplined. You are being defensive. The framework only functions if you are honest about performance at the point of allocation, not just at the point of reporting.

The 20% emerging bucket is where I have seen the most waste. Businesses treat it as a licence to chase whatever channel is generating industry buzz. One year it is TikTok. The next it is connected TV. The year after that it is something else. Without a clear hypothesis about why a channel fits this specific audience and this specific objective, the 20% becomes a series of inconclusive experiments that prove nothing and inform nothing.

The 10% experimental allocation is the one most likely to get cut when budgets tighten. That is understandable but counterproductive. The experiments you run in a flat year are often the ones that give you the edge in a growth year. Protecting that 10%, even when it is uncomfortable, is a discipline worth maintaining.

Zero-Based Budgeting: The Uncomfortable Version That Works

Zero-based budgeting means building your allocation from scratch each cycle rather than adjusting from the prior year. Every line of spend has to justify its existence. Nothing carries over automatically. It is more time-consuming than incremental budgeting, and it generates more internal friction. It also produces better decisions.

When I was working through a turnaround at an agency that was losing money on several client accounts, zero-based budgeting was one of the tools that forced the most productive conversations. Not because it found dramatic savings in unexpected places, but because it made people articulate the case for spending that had previously been assumed. Some of those cases were strong. Others fell apart under mild scrutiny. The ones that fell apart should have been challenged years earlier.

For marketing specifically, zero-based budgeting works best when it is paired with clear measurement criteria. You need to know, in advance, what success looks like for each activity so that when you rebuild the budget from zero, you are evaluating against outcomes rather than gut feel. That requires decent attribution, honest reporting, and a willingness to defund things that are not working, even when they are visible and politically comfortable.

The practical objection is time. Most marketing teams do not have the bandwidth to run a full zero-based review every year. A reasonable compromise is to apply zero-based thinking to a rotating portion of the budget each cycle. Cover the full budget over two or three years, rather than trying to do everything at once. It is slower, but it is achievable without burning out your planning team.

How to Split Budget Between Brand and Performance

The brand versus performance debate has been running for years, and it has become more acute as digital channels made short-term performance metrics easier to track and report. The result, in many businesses, has been a gradual shift of budget toward performance and away from brand, because performance is measurable and brand is not, at least not in the same time frame.

This is a rational response to an irrational measurement environment. Performance spend shows up in dashboards quickly. Brand spend does not. So when budget decisions are made by people who are accountable to quarterly numbers, performance wins. The long-term cost of this pattern is well documented by the Ehrenberg-Bass Institute and others, but the quarterly pressure does not go away just because the evidence points the other way.

My experience managing large media budgets across multiple sectors is that the businesses which maintained brand investment through difficult periods consistently came out in better shape than those that cut it. Not because brand advertising is magic, but because it sustains the pool of future buyers who will eventually be in-market. When you cut brand, you do not see the damage immediately. You see it 12 to 18 months later when your performance channels start working harder for less return, because the audience has quietly thinned.

There is no universal split that works for every business. A business with strong category awareness and a short purchase cycle can weight more heavily toward performance. A business entering a new market, or one with a long consideration cycle, needs more brand investment to build the mental availability that makes performance spend effective. The split should follow the commercial reality of the category, not an industry benchmark.

Forrester’s work on marketing planning and transformation is worth reading if you are trying to build a more structured case for brand investment internally. The challenge of justifying long-term spend to short-term stakeholders is one of the most common planning problems in the industry.

Channel Allocation: Following Audience Behaviour, Not Industry Trend Reports

One of the most consistent mistakes I see in channel allocation is treating industry benchmark reports as strategic guidance. A report that tells you the average B2B company spends X% on content and Y% on paid search is describing what other companies do. It says nothing about what your specific audience does, where they spend their attention, or what influences their purchasing decisions.

Channel decisions should start with customer behaviour. Where does your target audience discover products or services like yours? Where do they go when they are actively evaluating options? Where do they look for reassurance before committing? The answers to those questions should drive your channel mix. Everything else is noise.

That said, customer behaviour data is not always easy to get. You can use a combination of first-party data from your own analytics, customer interviews, sales team intelligence, and controlled channel experiments to build a working picture. It will not be perfect. It will be directionally useful, which is enough to make better decisions than a benchmark report allows.

When I was at iProspect and we were scaling the team from around 20 people to close to 100, one of the things that changed most visibly was the sophistication of channel planning. Early on, channel decisions were largely instinctive. As the team grew and the client base diversified across 30 or more industries, we built more rigorous frameworks for matching channel investment to audience behaviour by sector. The frameworks were not complicated. They were just disciplined. They forced us to ask why before we asked how much.

How a team is structured also affects how channel allocation decisions get made. Forrester’s analysis of marketing org charts makes the point that organisational design shapes strategic priorities, often in ways that are not immediately obvious. If your team is siloed by channel, your budget will tend to follow those silos regardless of what the data says.

Protecting Budget in a Downturn Without Destroying Long-Term Position

When business conditions tighten, marketing budgets are often the first line item to face cuts. This is partly because marketing costs are variable and can be reduced quickly, and partly because the connection between marketing spend and revenue is rarely as clean as finance teams would like. If you cannot prove the link clearly, the budget is vulnerable.

The practical response to this pressure is not to argue that everything should be protected. Some spend should be cut in a downturn. The question is which spend. Broadly, the activities that maintain brand presence and long-term demand generation are worth protecting because their absence compounds over time. The activities that are purely tactical and can be restarted quickly are better candidates for temporary reduction.

The more important discipline is building the measurement case before the pressure arrives. If you have already established clear links between specific activities and commercial outcomes, the conversation with the CFO or CEO is much easier. If you are trying to build that case under pressure, you are already behind. Budget protection is a year-round argument, not a crisis response.

One thing I learned from judging the Effie Awards is that the campaigns which demonstrate the clearest commercial effectiveness are rarely the ones with the largest budgets. They are the ones with the clearest thinking. Tight budgets force prioritisation. Prioritisation forces clarity. Some of the most effective work I reviewed came from businesses that had significantly less money than their competitors and had to be genuinely precise about where they put it.

Building a Budget Allocation Process That Holds Up Under Scrutiny

A budget allocation process that holds up under scrutiny has a few consistent characteristics. It is tied to specific business objectives, not just marketing metrics. It is informed by performance data from prior periods, not just by what feels right. It includes explicit assumptions that can be tested. And it has a review mechanism built in so that allocations can be adjusted mid-cycle if the evidence changes.

Most businesses do the first two reasonably well. The third and fourth are where things fall apart. Explicit assumptions are uncomfortable because they create accountability. If you write down that you expect a particular channel to deliver a particular return and it does not, there is a record of that. Many planning processes avoid this level of specificity for exactly that reason. That is the wrong call. Vague assumptions protect no one and improve nothing.

Mid-cycle review is also underused. Most marketing budgets are set annually and then treated as fixed, even when the market changes, channel performance shifts, or new information emerges. Building in a formal review at the halfway point, with a defined process for reallocating if the data supports it, creates a much more responsive planning environment without introducing chaos.

If you are outsourcing parts of your marketing operation, budget governance becomes even more important. MarketingProfs has a useful piece on outsourcing marketing operations that touches on the governance structures needed to maintain control of spend when external partners are involved. The principles apply whether you are working with a full-service agency or a collection of specialist suppliers.

The other thing worth noting is that budget allocation is not a solo exercise. The best allocation decisions I have been involved in came from conversations between marketing, finance, and sales, where each function brought a different perspective on where the commercial opportunity was and what it would take to capture it. Marketing alone tends to overweight brand. Finance alone tends to overweight short-term efficiency. Sales alone tends to overweight bottom-of-funnel. The intersection of those three perspectives is usually where the most defensible allocation sits.

For more on how planning, measurement, and team structure connect within a well-run marketing function, the Marketing Operations section at The Marketing Juice covers these topics in depth, with a consistent focus on commercial outcomes rather than marketing theatre.

The Measurement Problem That Undermines Good Allocation

Marketing attribution is genuinely hard. Any honest practitioner will tell you that. The tools available, from last-click attribution to data-driven models to marketing mix modelling, each offer a partial view of what is happening. None of them give you a complete picture. The mistake is treating any one of them as if it does.

I have managed enough large-scale media budgets to know that the channel that gets the credit in your analytics platform is not always the channel that did the work. Last-click attribution famously overweights paid search and direct traffic because those tend to be the final touchpoints before conversion. Upper-funnel activity that built the awareness and intent that made those final clicks possible gets nothing. If you allocate budget based on last-click data, you will systematically defund the activities that are creating demand and overfund the activities that are capturing it.

The solution is not to find a perfect measurement system, because one does not exist. The solution is to use multiple measurement approaches in parallel, treat each as a perspective rather than a verdict, and make allocation decisions based on the weight of evidence across all of them. That requires more analytical sophistication and more tolerance for ambiguity than most organisations are comfortable with. It also produces better outcomes than false precision.

One practical step is to run controlled experiments where possible. Hold out tests, where you suppress activity in one market or segment while maintaining it in another, give you a cleaner read on what is actually driving outcomes than any attribution model can. They are not always feasible, but where they are, they are worth the effort.

About the Author

Keith Lacy is a marketing strategist and former agency CEO with 20+ years of experience across agency leadership, performance marketing, and commercial strategy. He writes The Marketing Juice to cut through the noise and share what works.

Frequently Asked Questions