The virtual reality network operator has now accumulated almost $40m in financing, and attracted Samsung, HTC, Orange, Madison Wells and Digital Garage as backers.

IT services firm Pentalog invested in accelerator TheFamily through its incubator unit, PentaLabbs.

Enterprise software supplier Kainos joined Bank of Ireland-backed Kernel Capital for medical diagnostics company Cirdan's latest round.

Financial services group SBI led bitcoin exchange Kraken's "multi-million dollar" series B round, which follows a $5m series A in 2014.

Stem cell technology company CellResearch Corporation has been a strategic partner of Cordlife Group since 2010.

Africa-based online travel booking platform TravelStart secured the funding from telecommunications network MTN and Amadeus Capital Partners.

A potential brain aneurysm treatment device created by Oxford University spinout Oxford Endovascular has gained funding to complete manufacturing and move on to clinical trials.

Qualcomm Ventures and DGF Investments provided $10.1m for the big data technology company, which already counted Intel and Citrix as investors.