Unless you know them personally then it's always price, but they still expect a superb cleaning servive for it.
Based on say 100 hours a week, just 50p per hour cheaper is £50 a week to the client, or £2600 a year and if we won't do it there are plenty that will.
i was at a location back in 2015, sweat marks and drips on the machinery for over a week, no one was bothered because they were
A cheap
B only employed them for a few hours a day despite being 10,000Sq Ft
I can say how much I care and how good I am but if they can save a couple of grand a year they'll go for it.