[2] Brownjohn, who struggled with heroin addiction for most of his adult life, left the partnership to join J. Walter Thompson's London branch in 1959.

The firm has designed logos for such companies as Pan Am, Mobil Oil, PBS, Chase Bank, Barneys New York, The Museum of Modern Art, Xerox, Smithsonian Institution, NBC, Cornell University, National Geographic,[3] State Farm,[4] and many others.

Discovery, Inc.,[13] the New York City Marathon,[14] Bechtel, [15]Discovery, Inc.'s online streaming service Discovery+,[16] the United States Olympic & Paralympic Museum,[17] the US Open tennis tournament,[18] the Culinary Institute of America,[19] tech and electric car company Togg,[20] fintech company Network Capital,[21] esports brand Panda Global,[22] Dick Wolf’s Wolf Entertainment,[23] Animal Planet,[24] Impossible Aerospace,[25] Hearst Corporation, the Southern Poverty Law Center, The John D. and Catherine T. MacArthur Foundation, Conservation International,[26] the Women's Tennis Association,[27] Harvard University Press,[28] State Farm, Grupo Imagen TV (Mexico),[29] L.A. Reid's Hitco Entertainment,[30] Leonard Bernstein at 100,[31] ClearMotion,[32] Nanotronics,[33] Flatiron Health[34] and other major institutions.

In 2008, the new Star-Spangled Banner exhibit designed by the firm opened at the Smithsonian National Museum of American History in Washington, D.C.

The firm also designed the Kennedy Center Honors medal,[35] and designs motion graphics, such as the titles for the Emmy Award-winning PBS documentary series Carrier[36] and in 2009, a motion graphics display for Alicia Keys’ annual fundraiser for her Keep a Child Alive Foundation.