Empty and clean waste bins.  
Dust, damp wipe, polish furniture, ledges, sills, cabinets, tops of door, frames. 
Wipe  clean and polish all telephones, desks, mirrors.
Remove finger marks from doors.
Collect/wash up cooking items.  
Mop floor.   
Vacuum carpeted floors. 
Clean and disinfect  toilet and toilet fittings. 
Cleaning of lights and accesories (walls and ceilings).  
Thorough clean of all furniture, cabinets, etc.
Carpet Cleaning (if required)
Stair and elevator cleaning
Restroom cleaning, entrance, reception area and foyer cleaning

... And many more!