There are concerns that businesses in towns and cities across the region could be hit by a shortage of labour if the UK fails to reach a deal with Europe before Brexit.
Around one in 25 workers in Hull, one in 20 workers in Leeds and one in 16 in Bradford are thought to be from the EU. is thought to be from the EU.
That is according to an independent think tank who say ending freedom of movement next March could cause major recruitment problems.
Naomi Clayton, policy & research manager, Centre for Cities