He took on making his own jams after the loss of a lot of jams he had ordered. The Hartley adventure really began then. In 1885, Hartley's met such success that the company built a new factory in Aintree. From the twentieth century, Hartley's has extended its range to jellies. And today, the Hartley range offers everything from ready-to-eat classic jelly and jellies in individual pots to mixes.