Gulf Capital, a growth markets alternative investment firm, has announced the full exit of its investment in ECDC, a leading oil and gas drilling and production services provider in the Middle East and Africa. The company is part of ADES Investments Holding Ltd. which is the major shareholder in ADES International, a publicly listed company on the London Stock Exchange (LSE).

Gulf Capital partnered with the founding shareholders of ECDC and invested in the company in 2014 to finance or...