LetsGetChecked is a company growing at warp speed. In 2018, it was small enough to be able to file abridged accounts with the UK Companies Office. By 2020, it had revenues of $163 million. In 2021, after raising its fourth round of funding in four years, it had a valuation of more than $1 billion, propelling it into the ranks of home-grown tech unicorns. The at-home testing company, founded by the entrepreneur Peter Foley in 2015, has pulled off a string of acquisitions in a small period of time. In March, it acquired Veritas Genetics, a genome sequencing company, and…