About Us - G&B Marine Service

G&B Marine Service is headquartered in Busan, Korea, and performs professional work to meet customer’s needs all across the world. Our Seoul and Singapore offices do global bunker sales & supply, while the HQ handles ship fuel supply, debunkering, oil storage tank cleaning, port transportation, and all other total marine services.

CEO Jang Minho has been a visionary in the bunkering and marine industry for years. Under his guidance, G&B Marine Service has expanded to multiple ports and integrated sustainable practices into everyday operations. We believe in constant evolution, leveraging advanced technology, and upholding a culture of safety and excellence for both our workforce and the environment.

Our History

2014

Established Clean Sea Co., Ltd.
Registered as oil storage cleaning business
Registered as marine pollution prevention business

2017

Established Clean Sea Co., Ltd. Jeju branch
Clearance work for Sewol ferry (Mar 2017 ~ Mar 2018)

2018

Changed company name to G&B Marine Service Co., Ltd.
Registered as port transportation related business (ship fuel supply)
Registered as marine (internal port) cargo transportation business
Registered as shipping business (ship brokerage business)
Registered as goods (ship items) supply business

2019

Signed MOU contract with KOEM Jeju Branch
Started supply of LSMGO ship oil (JSTT, SUTT)
Started supply of VLSFO ship fuel (Ulsan HOT)

2023

Expanded to Singapore with a trading and sales desk

2024

Established Seoul with a trading and sales desk

What We Do

Ship Fuel Supply
& Debunkering

Efficient bunkering solutions for smooth, cost-effective voyages.

Port Transportation

Secure cargo transfers between ports, meeting tight deadlines.

Oil Storage
Tank Cleaning

Quick, safe tank cleaning to reduce downtime and ensure capacity.

Residual Ship Oil
Collection & Disposal

Eco-friendly handling of ship oil, safeguarding marine environments.

Ship Rental

Flexible vessel options tailored to your maritime needs.

Port Service

Comprehensive on-site support and cargo coordination at every port we serve.

Marine Pollution Prevention

Proactive measures and rapid response to protect our oceans.

Global Bunker
Sales & Supply

Providing ship fuels at major ports around the world, through our Seoul and Singapore trading desks.

Business Performance

G&B Marine Service leads the maritime industry with proven expertise, top certifications, and well-maintained equipment. From complex bunkering to major tank cleaning, we prioritize professionalism, safety, and sustainability. With years of hands-on experience and a dedicated team, we deliver reliable, efficient, and cutting-edge marine solutions worldwide.

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