Stock Tuner

Stock Tuner is an AI-supported circular B2B marketplace founded in Istanbul, Turkey, dedicated to transforming how industrial companies manage and trade their surplus inventory.

Industrial companies across manufacturing, automotive, energy, chemical, and construction sectors accumulate significant volumes of unused standard components such are from bearings and motors to hydraulic valves and fasteners. These components that sit idle in warehouses, blocking capital and generating unnecessary waste. At the same time, other manufacturers such are SMEs, R&D centers, workshops, and contractors struggle to source the same products at accessible prices through traditional channels.

Stock Tuner addresses both sides of this problem. On the seller side, we provide end-to-end support: AI-powered catalog analysis, technical standardization, digital listing, and active marketing to qualified buyers. On the buyer side, we offer access to verified, brand-new surplus products at below-market prices with integrated payment and logistics.

Our mission sits at the intersection of twin transformation. Digitally, we standardize and digitize surplus inventory through AI-powered technical analysis and actively eliminating manual, fragmented processes. On the green side, we reduce industrial waste and improve resource efficiency by keeping existing materials in active circulation, directly contributing to EU sustainability goals and net-zero targets.

With €600K in listed inventory and an active seller network, Stock Tuner is building the infrastructure for circular industrial trade and this is started in Turkey and scaling across Europe.

We are actively seeking collaboration with industrial companies facing surplus stock challenges and looking to turn idle assets into value.