entrepreneur jo malone has joined 5,000 small business bosses praising the tories as the ` only people ' who can keep the economy secure .
in a major boost to the conservatives ' lacklustre campaign , the signatories - who together employ nearly 100,000 people - said they ` would like to see david cameron and george osborne given the chance to finish what they have started ' .
ms malone , one of the most high-profile names to sign the letter , this morning claimed a labour government would ` jeopardise ' the economic recovery .