Deep Tech - the word doesn't refer to innovation itself, but to a category of startup companies that develop new products based on scientific discovery or meaningful engineering innovation - to quote Wikipedia.
And this: https://www.moneyweb.co.za/news/companies-and-deals/remgro-is-quietly-building-a-telecoms-giant/
And this: https://www.moneyweb.co.za/news/companies-and-deals/remgro-is-quietly-building-a-telecoms-giant/