O & P are stated as a percentage of a total job. Where O & P are set at “10 and 10”, they will be charged as 20% on top of the total job estimate. What is a General Contractor and when do you need one?
The name P&O comes from the company it used to be a part of, which was originally called the Peninsular and Oriental Steam Navigation Company. It was British shipping and logistics company and it dated from the 19th century.