About Us
Wondering who we are and why to choose us? Check below!Innovative Methods & New Technologies
We promote the use of drones, 4K cameras, and specialized software for conducting our assessments, making our work more comprehensive and reliable.
Forward Thinking
We think about the future. We are aiming to be there by your side to provide you with our help, when the new problems like cybersecurity issues or environmental protection against harmful emissions from the ships are being tightened by the maritime authorities.
Problem Solvers
Our extensive knowledge and experience in the field of merchant shipping, both inland and seagoing, makes us real problem solvers – there is nothing we cannot cope with!
Customer Support
We care about our customers thoroughly.
We provide door-to-door service, we are mobile and reliable.
We provide best quality services well within the market value.
Our Story
MarInn is a start-up based on an innovative approach to maritime expertise. Established in April 2019 in Szczecin, it operates as a small family-run business where service quality is the top priority.
Our services are designed for shipowners of both sea-going and inland waterway vessels, port facility owners, shipyards, marine insurers, and stakeholders involved in the transportation of goods by sea and inland waterways.
Our core services focus on the handling of hazardous liquid cargo, particularly liquefied natural gas (LNG). We specialize in international liquid cargo transshipment, supervising and executing ship-to-ship, ship-to-terminal, and terminal-to-ship transfers. Additionally, we offer comprehensive vessel operation, pilotage, and cargo management services as inland navigation captains across Western Europe.
We also provide consulting, advisory, and expert services in various fields of maritime and inland waterway shipping. When required, we conduct professional training sessions tailored to industry needs.

Capt. Jakub Kucharski, M.Sc.
MarInn Founder
The originator and the main implementator of the MarInn project.
Jakub is maritime professional. Graduate of three technical faculties: Navigation (B.Sc.), Mechatronics (B.Sc.) and Integrated Transport (M.Sc.)
at the Maritime University of Szczecin; Inland Shipping Captain Unlimited; Merchant Navy Chief Officer Unlimited with 7 years of officer’s experience in the operation of various types of vessels, in particular large tankers for the transport of liquefied gases in bulk (LNG carriers), independent member and sworn expert of the National Chamber of Maritime Commerce KIGM
and the Association of Marine Experts MEA; ADN, ADN-G expert.
The problems Jakub specializes in include: navigation & ship pilotage, the use of navigational aids and cargo equipment as well as care for the ship and cargo, in particular issues related to the water transport of liquefied natural gas (LNG), dangerous cargos transshipments.
Jakub another interest is inland shipping, in particular small-scale LNG bunkering and use of LNG as marine fuel. Experienced captain of the Europe first inland LNG bunker barge Flexfueler001 belonging to the Dutch company Titan LNG, operating mostly in the ARA region (Amsterdam-Rotterdam-Antwerp).

M.Sc. Wacław Kucharski
MarInn Associate Partner
Wacław is the Marine engineering expert and professional and he makes great asset for technical issues as the Assosciate Partner to MarInn.
Wacław is graduate of the Faculty of Mechanical Engineering of the Maritime University in Szczecin (M.Sc.) Merchant Navy Chief Engineer, a maritime industry specialist with over 35 years of being the person in charge for managing technical aspects of the operation of commercial vessels,
in particular tankers for transporting petroleum products bulk chemicals; independent member and sworn expert
of the National Chamber of Maritime Commerce KIGM
and the Association of Maritime Experts MEA.