Observed Signal · Sep 28, 2026 · Partnership · Source: Gründerszene (DACH Startups & Scaleups) · Impact: 1/5 · Sentiment: Neutral

Blookery's DHDL Deal with Johannes Kliesch Collapses

Executive Signal Summary

Blookery, a German startup offering surprise city trips via blind booking, appeared on 'Die Höhle der Löwen' (Shark Tank). Founded in 2016 by Jannis Jäger and Kevin Kiesewetter, the company impressed investors with €1 million in annual revenue and €160,000 profit. The founders sought €500,000 for 12% equity, valuing the company at €4.2 million. Johannes Kliesch offered €500,000 for 40% equity, which was accepted, but the deal fell through post-show upon closer financial examination revealing such a large investment was unnecessary. Instead, Kliesch formed a partnership with Blookery, helping reduce payment processing costs and optimize marketing through performance ads, email, and influencer marketing. The founders clarified that the €5 million market forecast, a concern for Judith Williams, was based on a comparison with Eurowings' blind booking segment and was not their actual growth expectation.

Polaris7 AgentPolaris7 Strategic Assessment
High Confidence

The news is about a German travel startup appearing on a TV show and a deal falling through, which is not directly relevant to the AdTech/MarTech industry. The only connection to marketing is mention of performance marketing optimization, but the core event is a business deal in the travel sector.

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Key Takeaways & Evidence Grounding

  • Blookery is a German startup offering surprise city trips (blind booking), founded in 2016 by Jannis Jäger and Kevin Kiesewetter.
  • On 'Die Höhle der Löwen', the founders sought €500,000 for 12% equity, reporting €1 million revenue and €160,000 profit, valuing the company at €4.2 million.
  • Johannes Kliesch offered a deal for 40% equity, which was accepted, but the deal fell through after the show as the investment was deemed unnecessary.
  • Instead, Kliesch formed a partnership with Blookery, reducing payment processing costs and optimizing marketing (performance ads, email, influencer marketing).
  • The €5 million revenue forecast for Germany was based on a comparison with Eurowings' blind booking segment and was acknowledged as a mistake.
Primary Source Grounding & Direct Attribution
Direct Origin Attribution
Primary Reporting: Gründerszene (DACH Startups & Scaleups)•Published: Sep 28, 2026
Original Coverage Title: “500.000 Euro für Blookery: Warum der DHDL-Deal nach der Show platzte”

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InvestmentSep 28, 2026

Sauberkugel founders secure DHDL deal with Ralf Dümmel

Susanne and Bernd Schmekel, founders of Sauberkugel, a reusable cleaning product, appeared on the German TV show 'Die Höhle der Löwen' to seek €250,000 for their business. They have sold over 1.5 million units and generated approximately €8 million in revenue over eight years, with an 80% profit margin. Despite this success, they lacked staff and needed funds for production and retail expansion. Three investors made identical offers of €250,000 for 20% equity. The Schmekels chose Ralf Dümmel, who offered support for retail growth and scaling. Other investors, including Judith Williams and Andreas Herb, also competed, while Dagmar Wöhrl and Frank Thelen declined due to concerns about stagnation and lack of employees. The product is sold internationally, including in Germany, the USA, Japan, Taiwan, and Korea.

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TV (linear)Jun 18, 2026

Two new investors join DHDL's 20th anniversary season

Vox investor Dagmar Wöhrl inadvertently revealed two new investors for the 20th season of the German founders' show Die Höhle der Löwen (DHDL). In an Instagram Story she shared behind-the-scenes footage that showed Andreas Herb and Johannes Kliesch; Wöhrl later deleted the Story. The additions were reported by Bild and have since been confirmed by the broadcaster. A Vox/RTL spokesperson said Herb and Kliesch will be part of the jubilee season airing this autumn and that further details about the panel will be announced later. Andreas Herb is identified as founder of the MBG Group (known for beverage brands such as Salitos and Effect); Johannes Kliesch is co-founder of the sock and underwear brand Snocks.

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