Cluen makes software for executive search and recruiting firms, a product with a long sales cycle and a buyer who is hard to reach by accident. Before September 2024 new business came from referrals and inbound interest, with no structured outbound program and no paid channel feeding the pipeline.
The numbers to beat were modest: 18 deals created and 8 won over the comparable period before the engagement.

LinkedIn carried the weight, with lead generation ads aimed at search firm principals and a parallel outreach program of connection requests and messages written to get replies rather than clicks. Google Search caught the smaller pool of people already looking for recruiting software.
Every contact went into HubSpot, and email sequences followed up automatically, which is where the 91% open rate came from: short, specific messages to people who had already raised a hand.

Source: Cluen six month Digital Strategy Review (March 2025) and the Cluen Success Story prepared by BusySeed; HubSpot, LinkedIn and Google Ads exports. The before figures for deals are back calculated from the stated percentage increases.
256% higher
50% higher
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