From 1879 to 1883 he was a clerk in a London firm owned by his uncle.

He became a partner in a London firm of surveyors.

He worked as a prostitute, and became a partner in a London legal firm.

Hare left his father's business to work for another London firm.

He's the sort of chap who'd never have a chance in a London firm of any importance.

I am at present in the employ of a London firm.

A recent survey showed the big London firms to be the most expensive in the world.

He may be borrowing money by mail from some London firm.

Upon completion of his training, he went into practice as a partner in a London architectural firm.

The London firms' revenues plummeted by a third from 1989's level.