"I suspect a hard Brexit will mean very little for UK tech. If a company makes a compelling product, it will still find a market in Europe after Brexit, just as it finds a market in the US today. The US is our largest market, followed by the UK and Germany. Most of the technical standards affecting electronic products are harmonised between the US and the EU, and tariffs are low, so we expect to be able to export to Germany post-Brexit as easily as we export to the US today.
We will need to simplify the immigration process for engineers, but that's already a problem for more than 80 per cent of engineers who aren't EU citizens. I have an Australian citizen working for me, and getting his visa last year was like pulling teeth. If you're Australian, or Chinese, or Indian - or, post-Brexit, French - and have a computer science or electrical engineering degree, you should be able to walk into a British Consulate and pick up a work permit. If the government uses the opportunity to rationalise immigration policy then we could end up in a better situation than we are in today.
Overall, I'm positive: we have the engineering talent, we have the business talent and we have the finance to build global players. Even before 2016's currency movements dropped my manufacturing costs through the floor, it cost me a dollar less to build a Raspberry Pi in South Wales than it did in Shenzhen. The UK: the once and future king of global manufacturing."