Thomas Agnew & Sons

Thomas Agnew & Sons is a fine arts dealer in London. The firm began in a print and publishing partnership with Vittore Zanetti in Manchester in 1817 which ended in 1835 when Agnew took full control. The firm opened a branch in London in 1860. The firm had a major role in the massive growth of a market for contemporary British art in the late 19th century. The firm closed in 2013.

The firm had long held a prominent position in the Bond Street trade in Old Master pictures. Agnew’s, as it is commonly called, also played a major role in promoting modern British art in the late-19th century.

The founder’s sons, Sir William Agnew, 1st Baronet (1825–1910) and Thomas Agnew (1827–1883), were pivotal in the firm’s rise in London, where Agnew’s first established itself in 1860. Broadly speaking, Sir William’s line produced the in-house connoisseurs (most notably C. Morland Agnew [1855–1931]), while Thomas’s son, W. Lockett Agnew (1858–1918), inherited his father’s commercial flair.

It was William Agnew who shifted the gallery trade to Old Masters. As The Times reporter noted in Sir William’s obituary, "in 1877 the firm had built rooms in 39 Old Bond Street (later called 43 Old Bond Street), and when the succession of Old Master exhibitions, the example of Sir Richard Wallace and the Rothschilds, and the revived passion for eighteenth-century architecture and furniture had turned the taste of the new rich men back to the older art, William Agnew was ready to find the pictures."

Agnew’s acted as principal agent and advisor to Edward Cecil Guinness, 1st Earl of Iveagh (1847–1927). The firm also held a significant part in the collecting activities of Alfred Beit (1853–1906), John Graver Johnson (1841–1917), Alfred (1842–1918) and Ferdinand de Rothschild (1839–1898), and George Salting (1835–1909). Additionally, Agnew’s often served as agent for the National Gallery in the salerooms. More recently, important clients include Paul Mellon (1907–1999), Norton Simon (1907–1993), and the Samuel Kress Foundation. In the late 19th and early 20th century, the firm was well regarded not only by the era’s leading collectors, but also by fellow dealers. Consequently, in Bond Street, Agnew’s enjoyed friendly relations with Knoedler’s, A. J. Sulley (1853–1930), the Wertheimer brothers, and in Paris, Charles Sedelmeyer (1837–1925).

During the remainder of the 20th century and up to today, Agnew’s has placed many masterpieces in major museums in Europe, America, and in emerging global markets. The contributions to the collections of the Metropolitan Museum of Art, the National Gallery of Art, Washington, DC, and the National Gallery, London, are noteworthy. The firm has handled major pictures by, amongst others, Caravaggio, Constable, Van Dyck, El Greco, Guercino, Frans Hals, Poussin, Rembrandt, Rubens, Vermeer, Titian, Turner, and Velázquez, including the latter’s Rokeby Venus in the National Gallery, London.

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