Brighton-based Brandwatch, a social media monitoring system summarizing content on the web, has acquired content marketing and influencer ID platform BuzzSumo.

The terms of the acquisition are undisclosed, but it’s worth noting that Brandwatch has raised more than $64m (£48m) to date from investors including Partech Ventures and Highland Europe.

Founded three years ago, BuzzSumo announced a Seed round in 2014.

Speaking about the acquisition, Giles Palmer, CEO of Brandwatch, said: “Customer and market needs drive every decision we make at Brandwatch, which is why I’m so pleased to find such a complementary spirit in BuzzSumo.”

The CEO went on to note: “BuzzSumo is a high performing and high-growth tech firm that fills an important need in the marketing world. Bringing together our strengths at serving either end of the market while maintaining our brands will only bring more value to all our customers.”

BuzzSumo’s branding will remain untouched and its team will continue to run daily operations.

Steve Rayson, director at BuzzSumo, said the team was “delighted to be joining a company that shares our values and aspirations”.

“This is an exciting development which means we can leverage Brandwatch’s expertise, data and resources to improve BuzzSumo for our customers,” he added.

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