It will use the cash to fund further development of its guaranteed digital file delivery system and the XML data layer.

"AMPS guarantees delivery over the internet and the XML layer allows us to develop JDF-based workflows," said managing director Miranda Clegg. "We are co-operating with two vendors on JDF and will reveal more at Ipex."

Vio said that customers were returning, including Reed Business Information, one of the original Vio customers. Reed switched to WAM!NET last summer when it looked like Vio might close, but has signed up again with repro house J Jays and printer TPL.

Vio executive chairman Richard Horwood said: "I wish every company Id been involved with had grown this quickly."

LMS association with BT spin-off AssetHouse originally led Horwood and his team at Citizen to Vio last summer.