UK Tech II

Arvia Technology

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Arvia’s technology removes and destroys organic contaminants from a wide range of aqueous effluents ranging from low and trace levels of difficult to treat and non-biodegradable organics to radioactive oils.

The patented technology has been shown to treat various historically-untreatable organics. It provides a simple, flexible and reliable solution to organic waste problems with significantly […]

Surrey NanoSystems


Surrey NanoSystems has developed a leading technology portfolio addressing the needs of the global nanoelectronics sector.


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Reinnervate is a market leading company in the fast growing 3D cell culture market.

Lime Microsystems

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Lime Microsystems creates single-chip multi-band, multi-standard broadband transceiver ICs with outstanding RF performance.

Tracsis plc

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Parkwalk sold its stake in Tracsis plc in June 2014, generating a 6.8x return for investors (nearly 10x inclusive of initial EIS tax reliefs). This exit returned, in cash, more than the cost of investors’ subscriptions into the Parkwalk Tech Fund II, with other investments in the fund still potentially able to offer future […]