Stott, previously group finance director at egg giant Noble Foods, will start in his new role on 1 March, more than 12 months after the departure of previous Zetar finance director Dale Mullins, who left the company by mutual consent in January 2009.
"Zetar is an ambitious business with many opportunities for growth," said Stott. "I look forward to working with my new colleagues to develop the group."
Group chief executive Ian Blackburn, who has been filling the finance director role for the last year, said Stott's arrival would allow the company to focus on efficiency savings and strategic expansion.
"We wanted an experienced finance director to have another look at our structure, efficiencies and processes you can't be complacent," he said. "In addition, the time I save by handing over the finance role will free me up to look at Zetar's next strategic development we're looking at small acquisitions that are a good fit with our core business units."
Blackburn added that Zetar still hoped to acquire some European businesses to improve distribution on the Continent, but said the company's share price and the prevailing financial climate meant the company would only look for smaller UK-centric deals in the short term.
A spokesman for Noble Foods said the company was yet to appoint a replacement group finance director.