Last year, it joined forces with Smart Resourcing Solutions (SRS), which specialises in graduate recruitment.
Now, the pair have rebranded as Careerpass Network, encompassing media, display, talent assessment and processing services.
Williams, a member of the 42 Under 42 Class of 2019, said: "2019 was a record year for both GradTouch and SRS, and following our merger, along with the acquisition of university society sponsorship software Kaampus, it was time for us to unify under one exciting new name and brand.
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