UK payments startup Primer has raised £3.2 million in a seed funding round led by Balderton Capital...: UK payments startup Primer has raised £3.2 million in a seed funding round led by Balderton Capital and joined by Transferwise co-founder Taavet Hinrikus. The seed round comes on top of an earlier £600,000 raise from Kima, Seedcamp, Speedinvest and unnamed angels, according to TechCrunch.