Online Technical Services (OTS) with its wide-based expertise in integrated business solutions provides fast, professional and customizable services to meet growing business needs in automating and integrating port community entities to enhance its performance and boost its economy. OTS provides integration services between different parties business to consumer (B2C) and business to business (B2B) IT solutions, especially in the maritime sector, to facilitate document exchange process between different parties in an efficient and secure way in order to reduce time and cost in the business process lifecycle. Electronic Messaging Service (EMS) Operation According to the agreement signed between OTS and the Egyptian Customs Authority (ECA), OTS is providing the electronic messaging service to shipping agencies and freight forwarders to send the documents required by ECA during the customs clearance procedure.