As well as contributing part of the seed portfolio, SSE has committed to subscribe for up to 43 million ordinary shares.

Compositence raised its prior, seed round in June 2011.

QualySense is testing its QSorter Explorer with multinational companies.

News provider TechCrunch said the A round was now $4m.

Steve Garnett, Europe Middle East and Africa chairman of Salesforce, said: "Salesforce is excited to join forces with leading European venture capital firms to launch the Innovation Challenge and reward Europe's top entrepreneurs and enable them to accelerate their innovation and time to market."

The company priced 12.5 million American depository shares at $17 each, after having filed to sell 12 million shares at between $16 and $18 each.