Cloud-based marketing company Capillary Technologies is set to raise $15m in a round supported by existing backers that include American Express and Qualcomm.

Capillary Technologies, the Singapore-based developer of a cloud marketing platform, is seeking funding from existing investors including American Express and Qualcomm for a $15m funding round, Business Standard reported on Monday.

American Express Ventures, the corporate venture capital arm of payment services firm American Express, invested $4.5m in Capillary in February 2014.

Qualcomm Ventures, the corporate venturing unit for telecommunications equipment manufacturer Qualcomm, had already participated in the company’s $15.5m series A round in September 2012 alongside venture capital firms…