making it far easier to track people indoors and in remote environments. D-Tail taps into sensors already within a smartphone or wearable device to more accurately track users in three-dimensions, producing data that can be trusted more than ever before.

Founder Dr Ramsey Faragher is a world-leading expert in GNSS-denied positioning and has previously worked as a senior research associate at the University of Cambridge and a principal scientist at the BAE Systems Advanced Technology Centre, where he developed award-winning technologies. His early work included developing a range of multi-sensor positioning systems for unmanned aerial and ground vehicles and the Astute nuclear submarine. He was also part of the original design team for the ExoMars martian rover's "Seeker" visual navigation system.