He went into business with his relative, Edward Hamersley, and acquired land in the Toodyay Valley, where Phillips built his homestead named Culham.
[1] The land was acquired from Alfred Waylen, who had taken up large tracts in the area after it was explored by Robert Dale then opened up to pastoralists.
[2] After developing Culham for 12 years Phillips pioneered the area around the Irwin River and took up 20,000 acres (8,094 ha), which he stocked with cattle.
[2] Nominated to join the Legislative Council in June 1857 he later represented the Eastern Districts and remained until his retirement in 1872.
[3] Phillips died on 13 June 1901 and was buried at the St Philip Church cemetery at Culham near Toodyay.