New Delhi, June 22 -- Simon Boyd's firm makes prefabricated steel structures on the south coast of England and ships them to customers as far away as Ghana and Barbados. Mike Hawes represents Britain's carmakers as the head of the Society of Motor Manufacturers and Traders.

The business leaders were on different sides of the debate when Britain voted to leave the European Union in 2016. But 10 years later they are both frustrated by Brexit.

A decade ago, backers promised that Brexit would be the key to a bright new future where, freed from the edicts of EU bureaucrats, Britain would regain control of its laws and its borders and the economy would boom. But the reality failed to live up to the hype as Britain struggled to adjust to life ...