He is utterly unscrupulous in his dealings with rival firms .
He was utterly unscrupulous in his competition with rival firms.
The firm has better products than its competitors, ie than rival firms.
If agents spend too long jockeying for internal power, their clients will be lured away by rival firms.
Any broadband provider that tries to block particular sites or services, for example, will quickly lose customers to rival firms-provided there are plenty of them.
