Pfizer Venture Investments, the corporate venturing arm of pharmaceutical company Pfizer, invested $5m in G-Con Manufacturing, a US-based producer of specialised laboratory environments, on Tuesday. G-Con will use the funding to expand its technical and production capabilities, while also developing new products, and Bill Burkoth, senior director of Pfizer Venture Investments, will join G-Con’s board.

UK bank-backed venture fund Business Growth Fund has invested £3m ($5m) in UK-based drainage contractor Flowline in return for a minority stake. Founded in 1991,…