Scouts from the Premier League giants have watched the 17-year-old defender in action during recent reserve outings.
They have been impressed by what they have seen from the centre-half and have invited him to Old Trafford.
"Coll was watched by Man United in a couple of reserve games and Martin Ferguson (chief scout) wondered if they could have a look at him," saidLivingston chief executive Ged Nixon.
"They're looking after him and he'll train with them before they decide what they want to do.
"It's a fantastic opportunity for the boy. No matter what happens in the end, it will let him see what's out there and he'll train in fantastic surroundings at Carrington."