In 2005 I left a senior position at Citigroup global markets to start a new financing business with three ex-colleagues in a serviced office in Pall Mall. Although I knew a significant amount about markets and transactions, I had no knowledge of how to establish a company.

Looking back, though my business has prospered, I now realise that I should have set off on this journey with a very different approach. Here are a few tips for all those starting fintech or financial services businesses now based on how I would have done things differently.