Co Down firm Deli Lites Ireland has secured a seven-figure deal to supply Boots Ireland with its convenience food line.
The Warrenpoint-based company was awarded the contract to provide a network of Boots' 80 Irish outlets with its 'food to go' range.
The deal marks Deli Lites' first business with the retailer.
It already supplies a broad range of products, from sandwiches to salads, and has a string of other high profile clients in the Republic including the Costa chain and Applegreen fuel forecourts.
The company employs 185 people in Warrenpoint and also has depots in Dublin and Cork.
Managing director Brian Reid - who formed Deli Lites Ireland in 1999 - said the contract had been agreed with "one of the most important retailers in Ireland". He said: "The Republic of Ireland contributes over 60% of our business.
"It's hugely important and offers significant growth potential."
Mr Reid said the business had been secured on the back of the firm's "established and successful track record in the Republic for the supply of consistently high quality products" complemented by its fleet of 35 delivery vehicles.
"The new contract is a marvellous endorsement of both the quality of our products and of the customer-led service that has become our hallmark over 20 years in business."
Boots' commercial manager Gavin Rooney said the bid had been secured through its "logistical capability to deliver consistently high quality products".