Advertising tech business Nano Interactive Group has secured a £3.5m growth capital investment from private equity investor Foresight.

Nano was founded in 2014 by Christian Geyer and Carl White, two former executives of ad tech business ValueClick (now Conversant).

The company is focused on the emerging search and intent-based targeting sector. Search targeting is a form of online advertising where relevant display, mobile and video ads are served to internet users based on their recent search history. 

Using its data management platform, Audience Manager, Nano has developed a network comprising 500 million unique profiles and captures more than five billion searches per month.

With Foresight's investment, Nano will accelerate its plans to expand internationally and make further investments in sales, marketing and product development. It will also support the roll-out of INSIST, Nano's brand safe solution for advertisers.  

"We are thrilled to be working with Foresight to accelerate our expansion across Europe and thus consolidate our leadership in the prospecting search targeting market," said co-founder and CEO Christian Geyer.

"The series A investment marks an important stage in our development. With Foresight's profound experience and their commitment to our values we have given Nano a perfect structure to make the company well prepared and equipped for further growth."

Carl White added: "We believe that Foresight is the perfect partner to help us to deliver the ambitious and future focused product roadmap.

"Nano Interactive is dedicated to building brand safe targeting products across all digital platforms that make advertising more effective and relevant for users and advertisers alike."

Nano works with more than 500 clients globally including T-Mobile, Volkswagen and MediaMarkt and operates from offices in the UK, Germany, France, Poland and Serbia.

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