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Marketing budget allocation

Marketing Budget Allocation

📂B2B Marketing⏱2-min read📊Practical🔗8 related

What is marketing budget allocation?

In one line
The decision of how to divide a fixed marketing budget across channels, activities, and timing based on goals and channel efficiency. It is less about how much you spend than about where you put each dollar.
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⚡ Summary in 3 lines
  • Set the total by working backward from goals, not industry ratios
  • Marginal efficiency of the next unit, not average efficiency
  • An experiment budget of about 10% and quarterly reallocation rules

Marketing budget allocation is not a matter of adding or subtracting a flat 5% to last year’s table. It is the judgment of working backward to the amount needed to hit the goal and dividing that money among channels of differing efficiency. Borrowing an industry-average ratio to set the total is convenient, but growth stage, contract value, and sales cycle differ from company to company, so it’s a weak basis. The starting point for allocation is not someone else’s ratio but your own goals and your own conversion numbers.

The logic of the judgment has three parts. The first is working backward from the goal: multiply the number of leads and sales opportunities needed by each channel’s unit cost to get the required amount. The second is marginal efficiency. Even for a channel with good average efficiency, the cost of each additional result rises as you add budget. The question to ask is not “which channel did best?” but “where will the next KRW 1 million (≈ US$750) get us the most?” The third is an experiment budget. Put most of the money in proven activities, but set aside roughly 10% of the total for testing new channels.

When building the table, it helps to split the budget into three blocks: fixed costs you can’t cut (tool subscriptions, site operations), spending on demand-generating activities, and an experiment budget. Then write down quarterly reallocation rules in advance. For example: if cost per lead exceeds 1.5 times the target for two quarters in a row, move half of that channel’s budget elsewhere. Activities whose results arrive late, such as brand awareness, need their own metric so they are not judged on short-term conversions.

Where practice goes wrong is money flowing to whatever is easy to measure. Growing only channels with instantly visible numbers, like search ads, looks efficient in the short term, but as the pool of people who know the brand dries up, cost per lead rises a year or two later. The opposite problem, repeating last year, is just as common: trade shows and sponsorships whose impact was never examined take the biggest line simply because “we’ve always done them.” Just asking of each item, “Would we approve this if we were applying for the first time this year?” changes the allocation.

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📚B2B Marketing Strategy Workshop (15 Steps)16 hours · In-person corporate training · John KimView Course →📚B2B Marketing A to Z8 hours · In-person corporate training · John KimView Course →
Instructor John KimJohn KimInstructor John Kim, author of B2B Marketing Design and CEO of Nanum ConsultingInstructor Euijung KimEuijung KimBrand strategist with 30 years in advertising, formerly a division head at Daehong Communications
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About KRW 1.2 million (≈ US$900)2-hour talk · up to 20 people · Korean
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💡 In plain English
Pour water onto a single field and it only overflows. In the same way, even a strong channel returns less for each extra dollar once it passes a certain level.
Why it matters in practice
It’s year-end and next year’s budget is due. The total is flat or down, and the marketer who has to justify where to add and where to cut is the one who looks this up.
Origin and sources

The concept grew out of corporate budgeting and media-planning practice; it is not a theory with a single founder. As performance measurement became possible for digital channels, shifting budget frequently based on channel-level efficiency became common.

Source · Standard budgeting and media planning practice
An example

Consider a hypothetical case. Company A sells equipment maintenance software to small and mid-sized manufacturers. It has 90 employees and an annual marketing budget of KRW 600 million (≈ US$448,900). Next year’s budget was frozen while the lead target rose 30%, and 45% of the budget had been tied up in the same two trade shows for three years.

  1. The marketing manager laid out last year’s spending by channel and calculated the cost per sales opportunity: KRW 850,000 (≈ US$635) for webinars, KRW 1.4 million (≈ US$1,050) for search ads, and KRW 4.1 million (≈ US$3,070) for trade shows.
  2. When the finance director said, "Then let’s just cut all the trade shows," the manager pulled up records showing that three major customers had started at trade shows, and kept one of the two.
  3. They didn’t put all of the KRW 130 million (≈ US$97,300) they pulled out into webinars. The pool of attendees is limited, so they judged that doubling the number of sessions would lower the leads per session and moved only KRW 70 million (≈ US$52,400).
  4. The remaining KRW 60 million (≈ US$44,900) was set aside as an experiment budget, split between an industry association newsletter ad and a customer case video. They added a condition: stop if the unit cost is more than 1.5 times the target at the end of the quarter.
  5. In the year-end tally, the same KRW 600 million (≈ US$448,900) produced more sales opportunities, up from 210 to 286. Of the two experiments, the newsletter ad was discontinued and the case video was promoted to a regular line item for next year.
Related terms
Budgeting · Zero-Based Budgeting (ZBB)A budgeting method that doesn’t take last year’s budget as the starting point but requires every line item to be justified again from zero, clearing out spending that continues out of habit.Marketing ROI · MROIA return-on-investment metric that measures how much return (revenue or profit) marketing spend produced, also called Marketing Return on Investment. It is the basis for deciding where to spend more.AttributionAnalysis of how to divide credit when multiple channels and touchpoints contributed to a single conversion (a purchase or lead).Media Mix Modeling · MMMMedia Mix Modeling (also called Marketing Mix Modeling) is a method that statistically analyzes past sales and marketing spend data to estimate how much each channel contributed to sales and to guide budget allocation.CPL · CPA · CPMThree metrics that measure ad performance by unit cost: CPL is cost per lead (prospect), CPA is cost per action (conversion), and CPM is cost per thousand impressions (Cost Per Mille).Annual Marketing Plan · Marketing CalendarAn annual marketing plan breaks the year’s business goals down into marketing goals, target customers, key activities, and budget; the marketing calendar turns it into a monthly and weekly execution schedule.Marketing Year-End Review · Annual Marketing Performance ReviewA year-end report to executives that compares the budget spent and the leads, pipeline, and revenue contribution generated by the year’s marketing against plan, and serves as the basis for next year’s budget and activities.Lead Target Setting · Revenue-Based Lead TargetA goal-setting method that starts from next year’s revenue target and works backward through average deal size, win rate, and stage-by-stage conversion rates to calculate how many leads marketing must generate and by when.
Training linked to this term
📚B2B Marketing Strategy Workshop (15 Steps)Nanum Consulting corporate training · In-person/onlineView Course →
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Last updated 14 Oct 2026 · Reviewed by John Kim

FAQ

There's no one-size-fits-all answer. It varies widely by industry, growth stage, and contract value, so a figure worked backward from your own goals is more persuasive than someone else's ratio. When citing external survey figures, always check the survey's scope and timing.
For any channel, the more budget you add, the higher the cost of each additional result. Judge by the efficiency of the next dollar you put in, not the average efficiency. Concentrating on one channel also raises risk when that channel’s policies or unit prices change.
If you don’t set it aside, proven activities crowd it out and the chance to test new channels disappears. Earmark a portion of the total for experiments and write down the period and stop criteria in advance: even if an experiment fails, the loss is capped, and if it succeeds, it becomes a regular line item the following year.
If you evaluate them on short-term conversion metrics, they get cut first. It's better to set separate metrics, such as brand search volume, direct traffic, and whether customers already knew the company in sales conversations, and to evaluate them over a different time horizon than conversion activities.