History and Management

History and Management

The executive directors Aynsley Romijnsen and Michel van Hesse are seasoned salespeople with extensive experience as salespeople, commercial managers, and directors at various organizations. They have had a successful career in improving sales results for companies.

In 2003, Sales Improvement Group developed a new approach to improve sales results for organizations. Since its introduction in 2004, the SPACE Concept® has been a sales success in the market. The company has grown into a professional organization with a team of approximately forty experienced Sales Improvers and Sales Trainers.

Become a Sales Improvement Professional Yourself

We are looking for Sales & Management Trainers and Sales Improvers. Are you the commercial expert interested in becoming a Sales & Management Trainer or Sales Improver?


What inquiries do you have?

How can I attract new customers? Where can I find the potential target audience for my product or service? What should be my plan of action in this regard? If you provide your contact details here, we will get in touch with you, allowing you to decide whether you wish to proceed to the next step.

More information

E-mail Sales Improvement Group