The Alphabet and Comcast-backed messaging platform is reportedly raising funding at a $5bn post-money valuation, though several corporates are interested in an acquisition.

US-based collaboration tool developer Slack is raising $500m to add to funding from investors including corporate venture capital units GV and Comcast Ventures, Recode reported yesterday.

Slack has built a workplace messaging and collaboration platform with 5 million daily active users. It launched an enterprise version for large businesses earlier this year and has projected $1bn in revenue for 2018, though it is yet to enter profit.

The round will value Slack at $5bn post-money, according to Recode, and news…