12 sales techniques 11 scientific topics Graham Hulsebos

My method: sales is a science, not a coincidence

He who speaks loses control. He who asks steers the conversation.

That is not an opinion. That is the science behind every sales conversation I have analyzed, trained, and proven in 30 years. Not in theory — in practice, with thousands of salespeople, in dozens of sectors.

Who recognizes this?

Your team works hard. The conversations are going well. And yet, deals remain undone that really should have been closed. Who wouldn't want to know why — and how you solve this structurally?

What would it yield for your organization if every conversation were conducted consciously — not based on intuition, but on system? Who wouldn't benefit from an approach that indicates early in the conversation when a deal isn't going to happen?

The question is not whether your team can sell. The question is whether your team sells based on intuition or on system.

The system

I have translated 30 years of experience into one closed system: 12 sales techniques and 11 scientific topics.

No motivation. No feeling. No coincidence.

Those who do not provide their salespeople with this system are structurally missing out on results — day after day. Those who master the system consciously steer every conversation, close every closeable deal, and build customer bases that never leave.

Which team wouldn't want that?

The 12 sales techniques

Who wouldn't want to actually close every closable deal — without pressure, without a discount, without hoping for a yes?

These are the tools I use to plug every commercial leak in an organization. No single technique makes the difference — the system makes the difference. Each technique reinforces the others.

What are the benefits if your team knows how to technically increase order value without provoking resistance? What happens to your revenue when hidden needs in your existing customer base are structurally activated? Who wouldn't benefit from a technique that cashes in extra margin at the most critical psychological moment — without the customer perceiving it as selling?

From the first contact to the signature. From the signature to the recommendation. From the recommendation to the client who never leaves you.

What would it mean for your organization if every salesperson mastered this system?

The 11 scientific topics

Selling is biology. Selling is psychology. Selling is the science of human behavior.

Half of every sales result has nothing to do with what you say. It has to do with how your customer's brain responds to signals that neither of them consciously experiences.

Who doesn't want to know why customers trust — and how you technically manage that process? Who doesn't benefit from recognizing the exact moment a customer is ready to say yes — before your competitor sees it?

What does science prove about how people make decisions? When do they trust? When do they doubt? How do you recognize when someone is not telling the whole truth — and how do you strategically capitalize on it?

The 11 scientific topics give your salespeople an edge that no product knowledge, no discount, and no pitch can ever compensate for.

Whoever masters this has a permanent advantage that cannot be copied.

The laws of the trade

Success in sales is no accident. It is the daily application of the rules of the trade.

Whoever does not know the 10 fundamental principles and 6 guiding principles sells by intuition. Whoever masters them sells on a system.

Do you know the fundamental principle that contact with an existing customer every 30 days — always for a relevant reason — yields more than any acquisition campaign? Do you know which six guiding principles make the difference between a one-time transaction and a customer for life?

The difference between a good salesperson and an excellent salesperson does not lie in talent. It lies in the discipline to consciously apply the rules of the trade every day. Does your team adhere to those rules — or is it selling on a whim?

The circle of success

My method works because it is a closed system. No standalone training that gets forgotten — a three-step approach that permanently changes behavior.

First, the commercial baseline assessment — a free test that determines exactly where your team stands now and where the greatest opportunities lie. Who wouldn't want to know where their biggest commercial opportunities remain untapped?

Then customization — training fully tailored to your market, your product, and your customer. No standard program — an exact solution that is immediately recognizable to your salespeople.

Then consolidation — anchoring via AI Sales e-learning, assessments, and the 5-step plan. So that the system does not remain just a training course, but becomes a habit that delivers results every day.

Most trainers stop where it actually begins — after the training. I only start there.

What others say

A client in the IT sector after an in-company training:
Our conversion rate increased by 34% in the first quarter after the training. Not because we worked harder — but because we managed smarter.

A sales manager in financial services:
"For the first time, my team understands not only what they need to do — but why it works. That makes the difference between applying and mastering."

And what does an independent comparison by ChatGPT — the most widely used AI in the world — say?
Graham Hulsebos's method is one of the most comprehensive and results-oriented approaches in the Netherlands, because it combines multiple proven techniques, integrates science and practice, and sustainably changes behavior through embedding.
— ChatGPT, OpenAI

One question

How many deals does your team close today that it will also close tomorrow — consciously, repeatably, and systematically?

If the answer does not satisfy you — then this is the conversation that changes that.

First, take the free commercial intake test and discover where your greatest sales potential lies:
www.grahamhulsebos.nl/nl/service/commerciele-intake/

Or schedule a meeting directly:
Schedule a meeting with Graham Hulsebos