Ceona Services UK Ltd. sold its subsidiary, PDi, to India-based Tatva Group, Simmons & Co. International Ltd. said Feb. 5.

Simmons was Ceona’s corporate finance adviser.

PDi, which provides multi-discipline engineering and project management for the oil and gas industry, was acquired by Ceona in 2012 to augment Ceona Group.

Tatva is a holding group with interests in upstream oil and gas and other industries.