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Setting your B2B marketing budget

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Jeroen Valkenburg

Founder, Business strategy

Published

30 October 2026

Reading time

16 min read

You don't set a B2B marketing budget by simply looking at what was available last year. Yet that's often what happens. The budget is based on past costs, a percentage of turnover or whatever is left after other spending. That feels safe, but it says little about what's needed to grow.

In B2B, marketing works differently from markets with short buying cycles. Buyers take longer to orient themselves, several people have a say and a large part of the target audience isn't actively looking yet. That's why your marketing budget shouldn't only be aimed at direct enquiries, but also at building visibility, trust and preference with the market that will buy later.

In this article, you'll read how to set a B2B marketing budget based on your growth goals, customer value, conversion rates, market size and channel choices. That way your budget isn't a cost item, but a well-founded investment in future revenue.

Budgeting in a B2B market

Many companies set their marketing budget from the annual budget. They look at turnover, costs, profit and previous spending. Then marketing is allocated an amount. That may work if marketing is mainly a support function, but not if marketing needs to play a clear role in growth.

In B2B, the road to revenue is usually longer. A potential customer first sees a LinkedIn post, later reads a blog, comes back via Google, looks at a case and only gets in touch weeks or months later. So the results of marketing often come from multiple touchpoints, not from a single campaign.

That's why it's too limited to judge budget only on direct conversions. Of course you want to know what marketing delivers. But in B2B you also need to invest in the phase before the enquiry. That's where you build awareness and trust with companies that will only develop buying intent later.

A good B2B marketing budget therefore starts with the question: what growth do we want to achieve, and what's needed to make that growth possible? From that question, you can work backwards to customers, opportunities, leads, channels, hours and media budget.

A fixed percentage of turnover doesn't work for B2B

A well-known method is to set the marketing budget as a percentage of turnover. For example, 5% or 10% of annual turnover. That gives you a quick guideline, but for B2B companies this method is often too crude.

The problem is that past turnover says little about your growth goal for the coming period. A company that wants to stay stable needs a different budget from a company that wants to enter a new market. It also matters whether you already have a lot of brand awareness or are barely visible to your target audience.

Then there's the 95/5 rule. In many B2B markets, only a small share of the target audience is actively looking for a solution right now. The rest are relevant, but not yet ready to buy. If you only spend your budget on existing demand, you mainly target that small active group. That can generate enquiries in the short term, but it limits your growth in the longer term.

A fixed percentage of turnover also takes too little account of your market position. A well-known brand with a lot of recurring demand needs less explanation than a company that still has to build trust. For that second company, marketing budget is needed to become visible to the right audience, not just to capture existing demand.

So use a percentage of turnover as a first reference at most. Not as the final calculation. A better budget comes from looking at goals, customer value, conversion, market potential and the stage your company is in.

Setting your marketing budget with the 95/5 rule

The 95/5 rule helps you divide your budget more realistically. Part of your market is actively searching right now. You reach that part with demand capture. Think of SEO, SEA, retargeting, conversion-focused landing pages and cases. You're visible at the moment the need already exists.

The largest part of your market isn't actively searching yet. For that, you need demand generation. Think of in-depth blogs, LinkedIn content, videos, newsletters, podcasts, events and ads aimed mainly at recognition and trust. The goal is for your target audience to know you before a concrete buying need arises.

So your budget shouldn't go entirely to one side. If you put everything into demand capture, you depend on a small group of active buyers. If you put everything into demand generation, you're building for the future but may miss existing demand. The right balance depends on your situation.

If there's already a lot of demand in the market and you have enough brand awareness, you can put relatively more budget into demand capture. If you're still little known among your target audience, or want to open up a new market, you need more budget for demand generation. Over time, that split can shift. As your visibility grows, it becomes easier to capture existing demand.

Step-by-step plan for calculating your B2B marketing budget

You calculate a good marketing budget backwards. You don't start with the question of what you want to spend, but with the question of what revenue you want to achieve. Then you work back to the number of customers, opportunities, leads, media budget and hours.

Step 1: What are your total revenue targets from new business?

Start with your revenue target from new customers. So don't look at total revenue if existing customers make up a large share of it. For your marketing budget, what matters most is which part of the growth has to come from new business.

Suppose you want to generate an extra €600,000 in revenue from new customers next year. That's the amount you work back from. Make a distinction here between first-year revenue and recurring revenue. A customer with a lower entry value can still be worth a lot if they stay for several years.

Step 2: Calculate the average customer value

Next, you calculate what a new customer is worth on average. This can be the annual revenue per customer, but customer lifetime value is often more useful. Especially if customers stay for several years or buy recurring services.

Suppose a customer generates €30,000 a year on average and stays a customer for three years on average. Then the total customer value is €90,000. That figure helps you decide better how much you can invest to win a customer like that.

Step 3: How long does a customer stay on average?

The average customer lifespan has a big influence on your budget. If customers stay only briefly, you need to see a return faster. If customers stay a long time, you can invest more in visibility, trust and acquisition.

Look at real customer data here. How long do customers stay on average? Which customer groups stay longest? And which customers have the highest margin? That way you avoid basing your budget on customers who in practice deliver less than expected.

Step 4: Calculate how many customers you need

Once you know the revenue target and the customer value, you can work out how many new customers you need. Suppose you want to achieve €600,000 in new business revenue and a customer is worth €60,000 on average in the first period you're steering on. Then you need ten new customers.

This figure makes your goal more concrete. "More leads" becomes "we need ten new customers". From there, you can work back to opportunities, conversations, leads and reach.

Step 5: Calculate the number of leads based on your conversion rates

Now you look at your conversion. How many leads become sales qualified? How many sales qualified leads become an opportunity? And how many opportunities become customers?

Suppose 25% of your opportunities become customers. For ten new customers, you then need forty opportunities. If half of your sales qualified leads become an opportunity, you need eighty sales qualified leads.

This is a simplified calculation, but it does help you see whether your goal is realistic. If you had twenty sales qualified leads last year and now need eighty, that probably calls for more budget, better content, sharper targeting or more sales capacity.

Step 6: What does your TAM look like?

Your budget also depends on the size of your market. If your total market consists of 800 suitable companies, you need to plan differently than if you can reach 20,000 companies. Your TAM, SAM and SOM help you determine how many companies you really need to reach and how targeted your campaigns can be.

A smaller market often calls for more precision. Then you don't just want to run broad campaigns, but work in a targeted way with account lists, LinkedIn targeting, retargeting and sales follow-up. A larger market leaves more room for broader content and scalable campaigns.

Step 7: Set the media budgets for your different channels

Next, you decide which channels you need and which media budget goes with them. Think of LinkedIn advertising, Google Ads, retargeting, YouTube, Meta or niche platforms within your market. Not every channel has the same function.

Google Ads is often stronger for existing demand. LinkedIn can work well for reaching your target audience in a targeted way, even when they aren't actively searching yet. Retargeting helps you reach people who have already interacted with you again. So your split depends on your balance between demand generation and demand capture.

Step 8: Factor in your time investment too

Media budget is only one part of your total marketing costs. You also need hours for strategy, content, campaigns, design, analysis, optimisation and alignment with sales. That time investment is often underestimated.

A LinkedIn campaign without good content achieves little. An SEO strategy without substantive articles builds up slowly. And a dashboard without someone drawing conclusions changes little. So include internal hours and external support in your budget.

Step 9: What other costs should you include?

Besides media and hours, there are often extra costs. Think of website development, landing pages, CRM, marketing automation, analytics, design, video, photography, copywriting, tools and research. Customer cases, events or content production can also require extra budget.

Make these costs visible in advance. That way you avoid a media budget that looks good on paper but leaves no room for the resources needed to make campaigns work properly.

A worked example from practice

Suppose a B2B service provider wants to generate €500,000 in new business next year. The average customer brings in €25,000 in the first year. Then twenty new customers are needed.

The organisation knows from previous data that 25% of opportunities become customers. So twenty customers require eighty opportunities. Roughly 50% of sales qualified leads become an opportunity. That means 160 sales qualified leads are needed.

Now it becomes clear what marketing and sales need to build. Not just 160 individual leads, but enough visibility, trust and follow-up to create eighty real opportunities. Part of that comes from demand capture, for example via SEO, SEA and retargeting. Another part comes from demand generation, such as LinkedIn content, blogs, videos, events and newsletters.

Then you look at the costs. Suppose the organisation spends €8,000 a month on media and €10,000 a month on strategy, content, campaign management, design and analysis. Then the total monthly budget is €18,000. On an annual basis, that's €216,000.

That seems like a lot if you only look at costs. But if the goal is €500,000 in new business, you can judge whether the ratio is right. You don't only look at direct revenue in the first year, but also at customer value over several years. If customers stay three years on average, the total value of those twenty customers is much higher than the revenue in year one.

Dividing your B2B marketing budget

A B2B marketing budget usually consists of several parts. You need budget for visibility, demand creation, demand capture, content, technology and analysis. The right split depends on your goal, market position and internal capacity.

A practical split starts with the balance between demand generation and demand capture. Demand generation requires budget for content, social distribution, video, advertising, thought leadership and email. Demand capture requires budget for SEO, SEA, retargeting, landing pages, cases and conversion optimisation.

You also need to reserve budget for the basics. A poor website limits the return on your campaigns. Incomplete tracking makes it hard to steer. Without a CRM structure, leads and accounts aren't followed up properly. Sometimes investing in the basics pays off more than extra media budget.

Think about tools as well. LinkedIn Sales Navigator, CRM, marketing automation, analytics, heatmap software, SEO tools and advertising platforms cost money, but may be needed to work effectively. Distinguish between fixed costs, campaign costs and one-off investments.

Finally, it's important not to spread your budget too thinly. Better to use a few channels well than to be a little bit present everywhere. Especially in B2B, repetition is needed. Your target audience has to see you several times before trust develops.

Measuring ROI and return

You don't measure the return on B2B marketing by the number of leads alone. Leads can be useful, but they don't always tell you whether your brand is getting stronger or whether sales is having better conversations. So look at hard figures as well as signals that show your market is moving.

Hard figures include, for example, revenue from new business, number of opportunities, conversion rates, cost per opportunity, win rate, average deal value and sales cycle. These figures show whether marketing and sales are contributing to commercial growth together.

There are also signals that become visible earlier in the process. Think of growth in branded search, website visits from target accounts, more returning visitors, better content engagement, high-quality hand-raisers and prospects who refer in conversations to content they've seen before.

With demand generation, direct attribution is often difficult. A customer rarely comes in because of one blog or ad. It's usually the sum of many touchpoints. That's why you shouldn't only ask "which campaign generated this lead?", but also "are we being recognised more often, considered more often and better understood by the market we want to win?"

So measure at several levels. Look at channel performance monthly, at pipeline quarterly and at wider market development at least twice a year. That way you avoid drawing conclusions too quickly based on individual campaigns.

Calculating your B2B marketing budget

A good B2B marketing budget starts with your growth goal. Not with what was left over last year, and not with a fixed percentage of your turnover. You work backwards from new business, customer value, customer lifespan, conversion rates and market size.

Then you divide the budget across the elements needed to make growth possible. Part goes to demand capture, so you capture existing demand well. Part goes to demand generation, so you become visible to the market that will buy later. Around that, you need budget for content, technology, tools, analysis and hours.

That way, marketing budget isn't a stand-alone cost item, but a choice for commercial growth. You know better how many customers you need, how many opportunities have to be created for that and which investment fits.

Want to know which B2B marketing budget fits your growth goals and market? Partout helps you get a sharp picture of your active buyers, market potential and channel split, so your budget is spent in a targeted way on the companies you most want to reach.

Frequently asked questions about setting your B2B marketing budget

1. What do you do if your board mainly sees marketing as a cost item?

Make the conversation concrete with customer value, the number of customers needed and pipeline. Show how much revenue is needed, how many customers that requires and what role marketing plays in creating those opportunities. Then the conversation is less about individual costs and more about what's needed to make growth possible. That also helps link marketing to commercial goals rather than just to campaigns or visibility.

2. Can you start with a small B2B marketing budget?

Yes, but then you have to make sharper choices. Focus on one clear target audience, a limited number of channels and a few strong pieces of content. A small budget quickly gets spread too thin if you want to do SEO, SEA, LinkedIn, video, email and events all at once. So start where your target audience is already active and where you have the best chance of building recognition.

3. Which is smarter: more media budget or better content?

That depends on your foundation. If your message, website and content aren't sharp yet, extra media budget mainly brings more traffic without better results. Then it's smarter to improve your positioning, pages and content first. If that foundation is in place, extra media budget can help you build reach faster and capture existing demand better.

4. How do you stop your marketing budget from being spread too thinly?

Work with clear priorities per quarter. Choose which target audience, message and channels get the most attention, and reserve budget for them. Be cautious with one-off requests that fall outside the strategy, even if they seem interesting in themselves. In B2B especially, repetition works better than a constant stream of new one-off actions.

5. Should sales also be part of the marketing budget?

Not always financially, but certainly in terms of content. Sales needs to provide input on target audiences, objections, customer questions and follow-up. That input helps align content, campaigns and account selections more closely with real conversations in the market. If marketing creates demand but sales has no time or process for follow-up, you get less return from your budget.

6. How do you handle budget when results only become visible later?

Distinguish in advance between short-term and long-term measurement points. Demand capture can show results faster, while demand generation needs more time. So agree which signals you'll track per stage, such as website visits, branded search, content engagement, hand-raisers and pipeline quality. That way you avoid stopping too early with activities that need time to take effect.

7. What if competitors have a much bigger marketing budget?

Then focus matters more than volume. Choose a clear niche, a sharp point of view and channels where your target audience is genuinely active. You don't need to be more visible everywhere than big competitors, as long as you're more relevant to the market you want to win.

We are Partout

We are a B2B marketing agency in Eindhoven. We make sure B2B companies land on the shortlist of their ideal customers, especially in complex buying processes where others get stuck. We combine branding and demand generation so you become a brand in demand. Instead of just chasing leads, we build a brand that is seen, trusted and chosen.

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