Karro Food Group, which supplies fresh pork, cooked and cured cooked meats to retail and catering customers, came into being as Vion's exit from the UK led to the closure of the Hall's of Broxburn plant in December.
Chief executive Seamus Carr, who joined Vion from Grampian Country Foods in 2008, shortly before it was acquired by the Dutch company, led the buyout with other senior managers, backed by Leeds-based private equity firm Endless LLP. The deal brought Karro's two slaughterhouses in Northern Ireland and Yorkshire, which slaughter a combined 41,000 pigs per week, as well as one in Somerset it has since closed.
It also has processing plants in Scunthorpe, Hull, Suffolk and Stoke, and an in-store butchery business.
McGees, which operates in Asda stores in Northern Ireland, is also being trialled at a Tesco in Edinburgh.
Karro also inherited from Vion a pig farming business in Brydock, Aberdeenshire, where it employs 100 staff and plans to ramp up capacity from its current 8500 sows to 10,500. It said that the £2 million investment would see it expand output from 3500 to 4500 pigs per week.
Mr Carr said: "[It] is a substantial investment and [indicates] the strategic importance of our Scottish position to the business.
"The fact that Scotland is well suited for outdoor pig production... we could see a way that it would be a good place to expand in future, notwithstanding we have no further plans just at this point in time.
"But if we were to increase our level of vertical integration, we would invest further in Scotland. It is important for us given the history with Vion in Scotland that we continue to make that commitment to Scotland."
Mr Carr said Karro, which secured a £60m investment from GE Capital after refinancing this year, said Endless remained committed to the firm for the "medium term at least".
Noting Endless has committed to providing "additional funding as and when required", on top of the "substantial investment" it has already made, he said Karro was a "well-financed, well-structured" business with a supportive private equity backer.