[1][2] Established as a joint venture between Summit Group and Alliance Holdings Limited, the company is the dominant market leader in the competitive off–dock sector, handling over 25% of total containerized export cargo and 15% of import cargo of Bangladesh's entire containerized volume.

SAPL started out initially by utilizing over 30 acres of Customs Bonded Area at the Chittagong Port.

[3] Summit Alliance Port Limited took over the management of three Indian river terminals in November, 2018.

The Inland Waterways Authority of India in a Public-Private Partnership, handed over the management of the terminals to Summit Alliance Port East Gateway (India) Private Limited, a subsidiary of Summit Alliance Port Limited.

It has container freight station activities related to export as well as import cargo handling under customs clearance.