She is a member of the board of Directors and also a founding Partner of Sidalco Group of Companies.  Dr. Lamptey until her assumption of MD of Sidalco was also the MD of Dominion International Petroleum ltd, Sidalco Roads, DEL Estates, Empire Concretes.

She is currently the Chief Executive Officer of Dominion International Petroleum. She has vast years of experience both internationally and locally in Chemicals for Fertilizer, Building & Construction, Real Estate, Farming and last and not least Agro Food Processing for Export.

Under her capable leadership, Dr. Lamptey has been able to break grounds into the Petroleum Industry in Ghana having been licensed as a Bulk Oil Trading Company in 2012.  Since its inception, Dominion International Petroleum was the first Bulk Distribution Company in Ghana to start operations by importing a full cargo of 28,000 metric tonnes of Gasoline for the Ghanaian market.

Dr. Gifty Lamptey is a recipient of several high profile awards, including and not limited, African Female Champion Award at the South American African Middle East Asia Amazons Awards in 2015, a United States Legislative Commendation by the Georgia Legislative Black Caucus in 2015.   Induction into the Global Leadership Hall of Fame also in 2015. In 2017, she was given an honorary degree from the Zaporozhye State Medical School in Ukraine. She has also in 2017 been awarded an ambassadorial status making her an Ambassador of Women in Africa by the Peristrofi World Honorary International.

She is an elected and life member of the Institute of Directors, UK.