Shoddy work

I arranged these people to come and do a thorough clean of my sons house. They arrived 40 min late...booked for 8am.....I explained that I wanted the house cleaned from top to bottom. 4 people were in the team and they said it would take the whole day. I got back at 11.30 to find them sitting outside saying they were finished ! The walls were still dirty, the kitchen cupboards and the windows hadn't been touched. The showers had been done but were still black. They did stay on till 2.30 and did the above mentioned to a degree. I think for R1200 it was not up to standard.