Beautystack, the London startup that’s creating a beauty professional booking app with heavy focus on social, has quietly picked up £4 million in seed funding led by Index Ventures. The company had previously raised pre-seed funding from LocalGlobe (led by Suzanne Ashman) and counts David Rowan (ex-Wired), Julien Codorniou (Facebook Workplace) and Audrey Gelman (The […]...