Waterford based digital marketing company StitcherAds has been bought by US firm Kargo for $64m.

StitcherAds was founded in 2009 by Declan Kennedy and Conor Ryan and currently employs around 100 people.

It is a paid social advertising platform that helps advertisers and agencies to run marketing campaigns on Facebook, Instagram, Snapchat, Pinterest, and TikTok.

The company counts among its clients brands like Wayfair, Hollister, JD, Primark, Macy's and Calvin Klein.

It currently has offices in Texas, London, New York and at its headquarters in Waterford.

"StitcherAds and Kargo are a fantastic match, bringing together Kargo's premium advertising marketplace with our commerce-driven approach to social media marketing," said Declan Kennedy, Chief Executive at StitcherAds.

Buyer Kargo describes itself as a mobile-first editorial-led global marketplace of unique multi-channel advertising and commerce opportunities for brands.

It employs around 250 at offices in New York, Chicago, Dallas, Los Angeles, San Francisco, Auckland, Sydney, and Singapore.

"We can now provide a true multi-platform product portfolio that expands our footprint into paid social," said Harry Kargman, Kargo Founder and CEO.