Major-General Sir Archibald Campbell

Romney's sustained commercial success as a portraitist outside the Royal Academy establishment demonstrated that the market for portrait painting in Georgian England was sufficiently large and diverse to support multiple major practices simultaneously. His Cavendish Square studio competed successfully with Reynolds's Leicester Fields establishment and Gainsborough's Pall Mall studio throughout the 1770s and 1780s, each painter attracting a slightly different segment of the fashionable market. Romney's particular appeal to younger aristocrats and prosperous professionals reflected his less elevated social manner and his more accessible personal style compared to Reynolds's grand theorizing or Gainsborough's mercurial temperament.

Romney renders the military subject with characteristic clarity and restraint. The officer's uniform is painted with attention to its distinctive details while the face is modeled with warm, direct tones that convey authority. The dark background and focused lighting create a sense of gravitas appropriate to the military subject.