Mapping the buying committee: you sell to a group chat, not to a company

In B2B you never sell to a company. You sell to a group chat of people who have to agree among themselves before anything gets signed. TL;DR: a typical B2B deal depends on four to seven key roles per account, and most ABM campaigns fail because they reach only one or two of them. In this article you will learn how to map that buying committee (the decision making unit or DMU) account by account, how to track down the roles and how to tailor your message per role instead of sending everyone the same whitepaper.

Do the maths yourself: calculate what one lead is worth with our free Value-per-lead calculator.

What exactly is a buying committee?

The buying committee is the group of people inside an account that decides together on a purchase. You will also hear it called the decision making unit or DMU. The point is the same: a single person rarely signs alone, and whoever puts their name on the contract is almost never the one using the solution day to day.

In Belgian B2B with a long sales cycle you typically see four to seven roles around the table. Not all of them people with an impressive title, because a role is a function in the decision process, not a job title. One and the same person can fill two roles, and one role can be split across two people. So you are not mapping an org chart, you are mapping a decision dynamic.

Which roles sit in the group chat?

Before you can work an account, you need to know who you will run into. The five roles you will find in virtually every B2B deal:

• The economic buyer. Signs and carries budget responsibility. Thinks in business case, payback period and risk. Wants to know what it delivers, not how it works.
• The champion. Your internal ambassador who defends the solution inside the company. Feels the pain most sharply and has a stake in making it work. Give this person ammunition to sell you internally.
• The end user. Works with it every day. Could not care less about ROI but cares about everything to do with ease of use and whether it makes their job lighter. Do not underestimate their influence, because a user who drags their feet can quietly let a deal bleed out.
• The technical evaluator. Judges whether it fits within security, integrations and existing systems. Looks for reasons to say no, not yes. Reassuring with evidence works better than convincing with promises.
• The blocker. Has no decision power but does have veto power. This could be procurement, legal or compliance. Ignore this role and you will discover them too late, right before the signature.

For each account you fill in these roles concretely. Often one or two more show up, such as an external adviser or a second user group. Four to seven names per account is a realistic range to start with.

Why do ABM campaigns fail here?

The classic mistake is exactly what account-based marketing is supposed to protect against: you aim all your arrows at one or two people per account, usually the person with the highest title or whoever happened to fill in a form. The rest of the group chat sees nothing at all.

The result: your champion is enthusiastic, but the technical evaluator has never heard of you and the blocker pops up at the last moment with objections you could have anticipated. The deal does not stall because your story was bad, but because it only reached a fraction of the decision makers.

This is also why isolated channel tactics fall short. Strong LinkedIn lead generation or a good ad campaign gets you individual contacts, but ABM is about account coverage: how many of the relevant roles within an account have you genuinely reached and moved? That is a different game from collecting as many individual leads as possible.

How do you track down the right people?

Mapping starts with research, not with guessing. The practical sources for a Belgian B2B context:

• LinkedIn Sales Navigator. Filter per account on function and seniority. It is the same dataset that LinkedIn Ads runs on, so your targeting connects seamlessly. That is how you reconstruct who probably fills which role. Combine titles with department to distinguish the end user and the technical evaluator from management.
• Job-change signals. Someone who has just stepped into a relevant role often has the budget and the mandate to change things. A new manager is a natural entry point for your champion story.
• First-party behaviour. Who from the account visits your site, opens your emails or downloads something? That reveals where the interest really sits. Connect that to your lead scoring so you can see which roles are already awake and which are not.

You do not need an expensive ABM stack for this. For a small team, a shared sheet with one row per role per account, the name, the status and the last interaction works perfectly well to get started. It is about the discipline of filling it in, not about the tool.

How do you tailor your message per role?

Sending everyone the same whitepaper is the fastest way to lose your entire committee. Every role has its own pain, so every role gets its own angle:

• Economic buyer: business case, payback period, risk control. Talk revenue and cost, not features.
• Champion: material they can use to sell you internally, such as a short one-pager or a worked example they can forward.
• End user: how it makes their daily work lighter, preferably shown rather than claimed.
• Technical evaluator: integration, security and implementation details that take away their doubts.
• Blocker: early reassurance around purchasing terms, contracts or compliance.

That sounds like a lot of work, and honestly: for an account you do not really want to win it is not worth it. Reserve this per-role approach for your Tier 1 accounts. For the broader list a lighter variant will do. If you want to know how that tiering fits into the bigger picture, read our lead generation strategy and the approach around demand generation.

How do you know if it works?

Do not measure on individual clicks or impressions, because that says nothing about whether the right group is moving. The meaningful measure is engagement per account: how many of the mapped roles genuinely respond to your message.

A healthy benchmark sits around twenty to thirty percent account coverage. If you are structurally well below that, it is not a reason to push harder, but a signal to revisit your targeting or your offer. Perhaps you are chasing the wrong accounts, and it is worth sharpening your ideal customer profile, or perhaps your message does not hit the real pain. So steer on account movement towards a genuine sales conversation, not on a full dashboard.

Frequently asked questions about the buying committee

What is the difference between a buying committee and a DMU? Nothing essential. Buying committee and decision making unit (DMU) are two names for the same group of people that decides together on a B2B purchase.

How many people are in one on average? Count on four to seven key roles per account in a typical B2B deal. For bigger or more complex purchases that number can climb.

Do I need expensive software to do this? No. For your first Tier 1 accounts a shared sheet with one row per role works excellently. An ABM platform only becomes interesting once you want to run this at scale and across many accounts.

What do I do if I cannot track down a role? Ask your champion. An internal ambassador usually knows exactly who is part of the decision and who can quietly block it. That is often more valuable than external detective work.

Is this only for enterprise accounts? No. Even at smaller Belgian B2B companies a single person rarely signs alone. The committee is simply smaller, but the principle of working multiple roles still holds.

Getting started with your own accounts

Start small and concrete: pick ten to twenty accounts you genuinely want to win, map the four to seven roles per account and write down per role which pain you are hitting. That is more work than a generic campaign, but it is exactly the difference between collecting leads and winning deals. If you want the broader game of landing large organisations, read our guide on enterprise sales. Want to spar about how to set this up for your market, without a heavy stack? Schedule your free intake.