One of the biggest and most famous graphic design companies in the world, Pentagram is owned and run equally by 19 partners—all of whom are leaders in the design industry. Their star-studded list of past and present partners includes names like Alan Fletcher, Bob Gill, Paula Scher and Michael Bierut.

Headquarters: London

Locations: New York, San Francisco, Berlin and Austin.

Notable clients: The Guggenheim, The Victoria & Albert Museum, The Metropolitan Museum of Art in New York, Cosmopolitan, Boots, Revlon, Sesame Street, Citibank, 21st Century Fox, Harley Davidson, Codeacademy, Princeton University, General Electric, The Oprah Winfrey Show, Guitar Hero, Late Night With Jimmy Fallon, Sundance Film Festival, Bennetton, Sake Fifth Avenue, Tiffany & Co, Alexander McQueen, Grey Goose, Popeyes, MillerCoors, WeightWatchers, Stanford Law School, Rolls Royce, Vanity Fair, Sotheby’s, Nissan, Pantone, Nokia, Reuters, Penguin Press, Time Warner, Walgreens, FIFA, Nike, United Airlines.