International Maritime Services (IMS) established in 1995, is an expert in the field of open registries and technical consultancy. The firm has deep roots in the industry, dating back to 1968, when The Makris family, also founders of Honduras Maritime Services (HMS), commenced providing services for ships hoisting the Honduran flag.

Today IMS provides comprehensive administrative and technical services tο the maritime industry.

Our Goal

Our goal is to provide reliable service to our clients, undertaking each task from the beginning to its completion. We offer integrated solutions and free the customer from any kind of additional responsibility. IMS is committed to observe the most exacting international quality standards. Α long list of satisfied international customers is testament of the trust and confidence that our clients have.


Our administrative offices are located in Piraeus-Greece, a global center for the international shipping industry. Over the years IMS has expanded its breadth of activity through a worldwide network of offices (United Kingdom. Honduras. China. Singapore).

Our representative offices retain a dynamic cooperation with the main office, thus enabling IMS to provide high-quality localized services around the globe. Το further deepen our local presence. IMS has developed strong working relationships with law firms and maritime experts all over the world.

IΜS possesses all the proficiency in the maritime field and conducts all operations in compliance with internationaly adopted standards and regulations.


At International Maritime Services our greatest asset is our people. We are very proud about the expertise, dedication, and passion that our team brings to the world of maritime industry.

Humberto Makris
Humberto MakrisGeneral Manager
Short resume

Humberto Makris is the Director and a member on the board of several companies in the city of Piraeus - Greece, having branches in many countries abroad. With his vast experience and deep knowledge, he directs with excellence the area of Inspection and Registration of ships, Advisory, Technical services, and Management of Ships, in compliance with the standards of local and International Rules and Regulations.

Humberto Makris began his studies in Naval Architecture/Engineering at the US Naval Academy in  Annapolis, Maryland, then continued at STEVENS Institute of Technology, Hoboken , New Jersey where he obtained a Master in Ocean Engineering and a Bachelor in Civil Engineering.

Since 1995 he is dedicated with a lot of success and professionalism to the Maritime industry having an extensive experience in the field.

Bessy Koyioni
Bessy KoyioniHealth, Safety, Quality , Energy and Environment Manager
Short resume
Graduated from the Business School of Barranquilla, with a B.A degree. With her great ambition to develop in the field of banking, Bessy Koyioni starts her career as a Junior Loan Officer in Chicago Illinois, USA for the National Bank of Greece. Bessy continues her carrier as a Senior Office Administrator for the Honduran Embassy in Athens, Greece. Since 1995 she is committed to our group.
Philipp Hoegner
Philipp HoegnerTechnical Manager
Short resume
Graduated from the University of Brighton with a Bachelor of Science in Electrical and Electronic Engineering. Philipp continued his studies at the Maritime Academy of Lloyds obtaining a Diploma in Marine Engineering .Growing up in a multicultural environment, Philipp Hoegner can easily adapt in multinational groups. Since 2018 Philipp Hoegner is responsible for the technical supervision of   the Vessels under our Management.
Anta Flamiatou
Anta FlamiatouAccounting Manager
Short resume
Anta Flamiatou graduated from the University in Piraeus, Greece obtaining a Bachelor in Business Administration. Since 1995 Anta is the Accounting Manager of IMS. A highly analytical, result-driven accounting specialist skilled at working quickly and accurately under tight deadlines.
Elias Athanassopoulos
Elias AthanassopoulosOperation Manager
Short resume

Elias graduated from the University of   Piraeus, with  a Bachelor in Business Administration and Economics. He have  worked since 1990 in many family business companies in the construction sector. He is a pioneer in the greek e-commerce and start up ecosystem with business activity and ownership since 1999.

In the recent years after obtaining a Diploma  from National and Kapodistrian University of Athens on Shipping Business Administration,  turned his interest in to the maritime industry.

Olga Palidou
Olga PalidouCrewing and Training Manager
Short resume
Graduated from the University of Crete with a Bachelor of Science in Mathematics. Olga Palidou continues her studies at the University of Leeds obtaining a Master’s Degree in Information Systems. After almost nineteen years of professional experience as an assistant accountant Olga Palidou is a committed to our group.


We can register your vessel under the following flags:

Jurisdictions List

Panama. Belize. Honduras. Cook Islands. Delaware. Marshall Islands. Finland. Netherlands. United Kingdom and the Red Ensign Group. St. Vincent & the Grenadines. Maritime Administration of Georgia. Union of Comoros. Maritime Administration of Mongolia. Ministry of Transport and Road Industry of the Republic of Moldova. Maritime Administration of Bulgaria. Commonwealth of Dominica Maritime Administration. Vanuatu. Cambodia and St. Kitts and Nevis.

International Maritime Services


66, Filonos Str, Piraeus
185 35 - Greece

  • Tel.: +30 210 42 21 324-5
  • Fax: +30 210 42 21 326
  • Email: info@inshipservices.com