Client Testimonials & Reviews – Graham Hulsebos Sales Training
As a sales manager, director, or salesperson, do you want to know what sales training really delivers?
More than 2,000 professionals at 400+ organisations have been trained by Graham Hulsebos, best sales trainer in the Netherlands 2025. On this page you will find 27 references, from retail and hospitality to manufacturing and professional services. Read below why organisations choose the 12 proven sales techniques instead of relying on chance.
What do previous participants say?
"Extremely educational training! Graham provided me with tactics I could apply immediately. Truly unique compared to other sales trainings. I felt motivated to start right away!"
Suzanne Groeneveld – SIG Benelux
"What a great day of sales training with Graham. His energy and insights made me realise many things and will be extremely valuable in my future sales career."
Riwan Le Gloanec – TotalEnergies Corbion
"Our sales team communicates better, works more structured, and achieves higher results. Sales are no longer a coincidence but based on a solid approach."
Mike Emmelkamp – Siempre BV
View all reviews on Springest, rated 9.2, or read the independent reviews directly on Google, rated 4.9 stars.
Do you recognise your industry?
The method of Graham Hulsebos is universal, but the approach is always industry-specific. Experience has been built up in, among others:
- Technology & IT
- Healthcare & Pharma
- Transport, Logistics & Automotive
- Construction, Installation & Manufacturing
- Food, Wholesale & Retail
- Consultancy & Professional Services
Organizations such as BMW (automotive), Eastmen (industry), Tungaloy (technology), and Zalmhuys Group (food & hospitality) have preceded you. These are just four examples from a list of 27 references. View the complete overview below.
What does this deliver for organisations concretely?
For some this means finally taking control instead of waiting for things to happen by chance. For others it means calm and certainty: a team that knows what to say, regardless of the situation. Someone else simply wants a proven system instead of isolated training days without follow-up. Which of these resonates most with your own organisation?
View all references
Curious about the results at specific organisations? View all partners and cases.
Take the first step today
Every day your team works without a proven system is a day revenue is being left behind. You have three options. Start with the free commercial sales intake and discover within 5 minutes where the biggest opportunity for more revenue lies for you or your team. Or plan a free, no-obligation consultation. Already know exactly what you are looking for? Then you can also book your sales training directly, or get in touch directly via 036 2340501 or [email protected].
Questions? Graham AI is available 24/7
Do you see the green icon at the bottom right of this page? That is Graham AI, my personal AI chatbot available day and night. Ask your question about references in your industry directly and get an immediate answer, no waiting time.