hi there , i did this for a small office, did not get job may be the price or structure was wrong i will never know,but if i have done it wrong may be they will put us both on the right path. :

fingers crossed
name of business your quoting for
weekly labour charge £55 per week for 2 hrs
Total weekly labour charge £55
cleaning materials & equipment £20 (they were suppling vacuume)
all cleaning equipment is colour coded cloths, mops, buckets
Total weekly operational costs £ 75
management £15
administration £15
insurance £3.95
Total weekly charge £ 108.95
total four weekly charge £435.80
Annual charge £ 5,447.50
we have not charged for easter or christmas week
a quotation should include covering letter, company info , schedule of works, coshh, h & s ,copy of insurance, quotation, t & c