Ninetailed
The business, the turning points, and the decisions behind them.
Some sections are still being researched2 / 4
Sections to complete：02 · 05
01 / WHAT IT BUILT
What the company did
Ninetailed, founded in Berlin in 2021 by Alexander Braunreuther and Andy Kaiser, was the pioneer of structured-content personalization and experimentation for composable stacks. Its platform let marketing teams define audience segments, run no-code A/B experiments and deliver tailored content variations from within familiar editorial interfaces. Brands such as Kraft Heinz, Ace & Tate and SumUp used the technology. In August 2024 Contentful signed a definitive agreement to acquire Ninetailed, folding it into Contentful Personalization.
02 / FAILURE REASONS
Material for this section is being gathered and checked. It will appear here once ready.
03 / EVENT HISTORY
Events in the structured record
- Company founded
Alexander Braunreuther and Andy Kaiser launch Ninetailed in Berlin for composable personalization.
- Acquisition
On August 20, 2024, Contentful signs a definitive agreement to acquire Ninetailed, rebranding it Ninetailed by Contentful.
04 / CONTEMPORARY REBUILD ASSESSMENT
Difficulty of rebuilding this project today
Material for this section is being gathered and checked. It will appear here once ready.
Overall assessment: Not completed
05 / CAUSAL CHAIN / AFTERMATH
Material for this section is being gathered and checked. It will appear here once ready.