The media tracking platform received the funding in a GMG Ventures-led round backed by fellow corporate venturing units Hearst Ventures and REV.

GMG Ventures, the corporate venture capital branch of media company Guardian Media Group, has led a $16m series B round for UK-based data platform Signal Media.

The round was led by venture capital firm MMC Ventures and included Hearst Ventures and REV, respective subsidiaries of media group Hearst and data and analytics provider RELX, as well as Frontline Ventures and LocalGlobe, while Kreos Capital provided a debt facility.

Signal uses machine learning to extract data from more than 2.8 million…