'The wrong investors can lead to meltdown'

Thousands of companies get off the ground with the help of outside investors - so-called venture capitalists. Yet the process of raising money from them can be nerve-racking.

"The right investors can really help accelerate the business but the wrong ones can create massive hardship and even a meltdown," says Nikolay Piriankov, the founder of specialist jewellery firm Taylor & Hart.

Video journalist: Jeremy Howell

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