He was a money lender, primarily managing mortgages.
Ebenezer Scrooge's work, Marley and Scrooge, is located in London, England. The story "A Christmas Carol" by Charles Dickens is set in London during the 19th century.
Scrooge
Scrooge's work mate is Bob Cratchit. He is a loyal and hardworking employee who is the father of Tiny Tim in Charles Dickens' novella "A Christmas Carol."
They work in scrooges business of merchants, landlord and money lending
Scrooge & Marley
he is a cold hard slave driver. He treats Bob callously and does not even allow him simple heat in his work area to do his job.
Only Christmas day
He doesn't get paid.
SCrooge (and Marley) were merchants and warehousers of goods(normally corn) but they also ran a money lending business and a property rental business
By raising his salary, even though he came to work later than he was supposed to. "Old" Scrooge would have fired him, but "New" Scrooge has changed his ways.
Mr. Scrooge wants to catch Bob Cratchit coming into work late on December 26th to justify his belief that employees are lazy and don't take their work seriously. This allows him to maintain control over Bob and reminds him of his authority.
He was a trader usually in corn, money lender and a landlord for many dwellings