https://techcrunch.com/2021/10/18/primer-raises-50m-at-a-425m-valuation-for-a-framework-designed-to-help-merchants-build-more-powerful-payment-flows/ > Primer — a UK startup that has built a drag-and-drop framework to help merchants easily build payment stacks to sell online — has seen rapid take-up of its services in the 20 months since it launched. Now the company is announcing a Series B of $50 million at a $425 million valuation to double down on the opportunity to do more. > ICONIQ Growth — the growth-stage arm of the San Francisco wealth management and investment firm connected to Mark Zuckerberg, Sheryl Sandberg, Jack Dorsey and other high net-worth tech executives — led the round with existing investors Accel, Balderton Capital, Seedcamp, Speedinvest, and RTP Global among those also participating.