With McLaren stressed at the start of this year's Championship, rumours emerged claiming that Hamilton is allowing for looking elsewhere for a race-seat.
While in one breath he affirmed that "loyalty has its limits" in the next he insisted that he is "committed to them. I want to try and help them as well as becoming one of the most winning drivers myself."
Whitmarsh, though, believes it's only a matter of time before Hamilton commits his long-term prospect to the Woking team.
But, having said that, he's in no rush to start contract talks.
"Lewis has a long career ahead of him and I think he's intelligent sufficient to realise that the environment he has here is good for him and plays to his strengths," said the McLaren team boss told the Daily Mail.