Thea Green was a 23-year-old jet-setting fashion editor for Tatler magazine when she noticed something no one else had: She was grabbing last-minute speedy manicures between meetings on every trip to New York or LA—nowhere back home in the U.K. offered that service for your nails yet. And just like that, Nails.Inc was born in 1999. Twenty-six years later, the company says it sells one nail polish every single minute.
She had no background in beauty and no business plan when she launched a 70-shade polish range and opened her first nail bar that year. But having watched her dad work his way up from a tea boy to a retail director gave her all the proof she needed that “hard work and a good idea could take you anywhere,” Green tells Fortune.