Among his business interests were Congolese companies producing cane sugar and the Sucrière congolaise company named its first settlement Moerbeke (now Kwilu Ngongo) after Lippens' hometown. In 1931, he became a member of the board of the Société Générale de Belgique, the country's largest holdings company.
Lippens' business activities encompassed Congolese firms producing cane sugar and the Sucrière congolaise company, which later named a settlement after his hometown. In 1931, he participated in the board of Société Générale de Belgique, Belgium's largest conglomerate.