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Interview with Dennis Luiten

June 17, 2025

"You can come up with many ideas, but not everything is feasible"

A partner that reinforces vision

“As an innovative start-up, we’re looking for partners who understand and strengthen our vision for BubbleFlush, and Spark design & innovation fits that perfectly. Spark offers much more than just product design. They actively contribute ideas and combine technical expertise with a strong sense of design.

 

From idea to manufacturable product

Spark helped us develop the housing of the BubbleFlush and contributed to the device’s user interface. They were solution-oriented and gave strong advice throughout the process. For BubbleFlush, we chose to use injection molding technology. You can think of many products, but not everything is manufacturable. Spark has a lot of experience in this area and also connected us with a partner to handle production. They also guided us through the CE certification and safety process, ensuring the product complies with European standards.

 

We still receive compliments about the final product. It functions exactly as intended and has excellent ergonomic design. Everything is balanced, the look and feel are spot on.

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Advice for other start-ups

My advice to other start-ups is to involve a partner like Spark early in the process, especially when essential decisions still need to be made. Spark’s involvement has clearly had a positive impact on the final product. They provide high-level guidance and support, and they help think through practical aspects and specific needs we had, such as making the product suitable for assembly in a sheltered workshop.

 

Ready for the next step

With a solid product and positive feedback from the market, BubbleFlush is now focusing on its next growth phase: setting up the sales organization.
The collaboration with Spark proved that a strong design team can make all the difference. Not just in aesthetics, but throughout the entire journey from concept to realization. For other start-ups, this is the perfect example of how collaboration can be critical at key moments in the process.

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