Mystery Guest Services for Shops, Showrooms or Hospitality
Don't miss out on revenue: discover how customers really experience your business
Do you feel like your employees are losing customers—without knowing exactly why? Our professional Mystery Guest Services will finally give you clarity. Graham Hulsebos , an experienced sales trainer , will visit your location anonymously and conduct a sharp observation of customer approach , sales techniques , and service experience .
Why choose Mystery Guest Services?
- Independent assessment of customer experience and sales behavior
- Concrete report with action-oriented recommendations
- Optional: coaching from a top sales trainer at your location
- Discreet, professional and always tailor-made
What do you get?
After the visit, you'll receive a comprehensive sales analysis report with clear areas for improvement . You can also opt for a supplementary 3-hour coaching or training session , where your team will immediately learn how to better capitalize on opportunities. Ideal for retailers, hospitality businesses, chains , and independent professionals who want to improve their performance.
“Entrepreneurs often only realize after my visit how much turnover is going unnoticed.” – Graham Hulsebos
Available Mystery Guest Services
- Mystery Guest Visit + Report
- Mystery Guest Visit + Report + 3 hours of Coaching
Promotion: Limited availability
Plan your first visit today – availability is limited per region. Contact us directly or check the calendar.
30+ Years
Expertise in sales psychology and results-oriented methodology.
2.000+
Sales professionals trained to a measurably higher level.
400+
Helping organizations achieve structural revenue growth and returns.
4.9 ★ + 9,2 ★
Winner: Best sales trainer in the Netherlands (Google & Springest reviews).
Over 400 organizations have gone before you.
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Sales Insights: Learn from 30 years of sales experience
Read my latest insights on selling, sales, and commercial results.
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Sales Insights
Sales training or sales coaching: what do you need and when?
Sales training and sales coaching are not the same thing and are too often used interchangeably. Graham Hulsebos, best sales trainer in the Netherlands 2025, explains what the difference is, when to choose which and why the combination gives the stro...
Read: Sales training or sales coaching: what do you need and when?
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Best Training Provider
On Thursday, February 19th, 2026, Graham Hulsebos was officially named the Best Training Provider in the Netherlands for Sales. This prestigious award was won by achieving the highest average student rating on the independent platforms Archipel and S...
Read: Best Training Provider
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Graham, how come Google ranks you number 1 as the best sales trainer?
Google's Number 1 Guest on The Sales Podcast
Cesar van der Linden opened the conversation right away: "Graham, why does Google rank you number 1 for consultative selling?"
The answer is control within the sales cycle. True sales power lies in askin...
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Graham Hulsebos officially nominated for 'Best Trainer in the Netherlands 2025'
Graham Hulsebos Sales Training has received a prestigious nomination for Best Trainer in the Netherlands 2025. This national recognition by Springest and Archipel Academy underscores the impact of Graham's unique sales philosophy: "Selling is Asking,...
Read: Graham Hulsebos officially nominated for 'Best Trainer in the Netherlands 2025'
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Why 90% of Salespeople Don’t Use Sales Techniques (And How It Hurts Revenue)
Most salespeople across virtually every industry fail to use professional sales techniques. This article explains why 90% of all sellers rely on guesswork rather than structured sales methods, what this costs businesses in lost revenue, and how moder...
Read: Why 90% of Salespeople Don’t Use Sales Techniques (And How It Hurts Revenue)