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172 Tech
The venture behind Proompt. 172 Tech builds tools that make AI workflows structured, reliable, and scalable for teams of every size.
About
Built by people who
believe in zero defects
Proompt exists because AI outputs shouldn't fail from preventable errors. We built poka-yoke for the age of LLMs.
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ESS ENN Associates
The development partner bringing Proompt to life. ESS ENN specialises in building robust, scalable platforms from concept through production.
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530 Expert
The design partner behind Proompt's identity and experience. 530 Expert crafts distinctive interfaces that feel intentional, not templated.
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FourOne AI
Proompt is part of the FourOne AI portfolio — a collection of AI-native tools built for the way teams actually work with large language models.
The problem
Every team using AI faces the same defect pattern: prompts written in isolation, guidelines forgotten or copy-pasted, outputs drifting from the standards that matter. Brand teams see off-voice content. Engineering teams see inconsistent code. Legal sees compliance gaps. These aren't AI failures — they're process failures. And process failures have a solution: mistake-proofing.
The system
Proompt applies poka-yoke principles to AI workflows. Guidelines are built into the process — not inspected after. Set your rules once in a hierarchical tree. Every prompt inherits the right context by design. And the adherence engine is your end-of-line inspection — nothing ships unchecked.
Want to build with us?
We're looking for early design partners. Teams who care about consistency.