Following his retirement as a serving officer, Hill became under-treasurer, the chief executive, of the Middle Temple, one of the Inns of Court, and held that post for ten years until his retirement in 1994, when he was made Hon.
After leaving his military post, Hill took on the role of under-treasurer, serving as the top executive at the Middle Temple, a prestigious institution within the Inns of Court, and held this position for ten years before stepping down in 1994, when he was awarded the honor of Hon.