E&O Laboratories said the multi-million-pound venture has been jointly funded with £1 million provided by Bank of Scotland as well as a regional selective assistance grant from Scottish Enterprise.
Due for completion in October, the upgraded site will allow the Falkirk-headquartered company to diversify its specialist product range, triple its manufacturing capacity and increase its team of 80 specialist technicians and microbiologists by about a fifth over the next year.
The firm is looking to target “lucrative” export opportunities in Europe and Asia.
Managing director Virginia Lucey said: “This project is going to take our business to the next level. After an extensive research and development programme we devised a strategy to grow our presence on the world stage.”