What Mitrabahtera Segara Sejati does

PT Mitrabahtera Segara Sejati Tbk (MBSS) is an Indonesian publicly traded sea transportation and transshipment company, founded in 1990 and listed on the Indonesia Stock Exchange (IDX:MBSS) since 2011. The company specializes in integrated material handling, sea transportation, and transshipment services for bulk materials—primarily coal, but also nickel ore and cement clinker—using its owned barging fleet and floating crane assets. MBSS operates across 35+ cities in Indonesia, with headquarters in Jakarta and site offices in East Kalimantan, and has expanded regionally to serve Asian markets including China. The workforce includes 1,200+ offshore crew members and 300+ onshore staff, supporting enterprise-scale operations.

MBSS operates as an enterprise-focused service provider with long-term contracts featuring minimum tonnage clauses to ensure predictable revenue, supplemented by spot charter capacity and third-party vessel brokering. The customer base is concentrated among leading Indonesian coal producers, with secondary exposure to nickel mining and cement industries. The go-to-market is direct enterprise sales with no intermediary distribution, and the company serves as a strategic business partner to its clients, maintaining tight coordination between operations and marketing. The competitive moat rests on three decades of operational history, capital-intensive fleet assets, a highly trained crew, and regulatory compliance with ISO 9001/14001, OHSAS 18001, the ISM Code, SOLAS, and MARPOL standards.

The technology stack is operationally focused rather than technology-driven: a satellite-based Vessel Tracking System for fleet monitoring and coordination, plus the integrated Mitra QSHE management system covering safety, quality, and environmental standards. There is no indication of proprietary AI, ML, or advanced digital capability. Recent strategic activity has been primarily defensive—MBSS continues to publish AGMS/EGMS notices and investor materials, sustaining governance discipline rather than pursuing aggressive expansion, M&A, or technology investment.

Name

Mitrabahtera Segara Sejati

Legal name

PT Mitrabahtera Segara Sejati Tbk.

Website

https://mbss.co.id

Company type

Public

Founded year

1990

Operating status

Operating

Headcount range

501–1,000 employees

Short description

PT Mitrabahtera Segara Sejati (MBSS) is an Indonesian publicly traded sea transportation and transshipment company providing integrated barging and floating crane services for bulk materials, primarily serving top-tier coal mining companies in Indonesia and Asian regional markets.

Ownership category

akta.pro rank

Product category

Maritime Bulk Logistics Services

NAICS

Deep Sea, Coastal, and Great Lakes Water Transportation (48311), Marine Cargo Handling (488320)

SIC

Water Transportation (4400)

akta.pro primary industry

Coastal/Sea Towage (Long-Distance Towing of Vessels/Barges) (TLAHAHAE)

akta.pro secondary industries

Bulk Cargo Handling Services (Conveying, Grab/Loader Ops, Bagging) (TLAHALAI), Cargo Handling & Lifting Equipment (Cranes, Derricks, Hoists) (IMAJAIAB)

Keywords

• Bulk sea transportation
• Coal barging services
• Transshipment services
• Maritime logistics
• Mining logistics services

Headquarters

HQ city

Kuningan

HQ country

Indonesia

HQ region

Asia

Offices3 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Supply Chain, Infrastructure, Operations, Technology or R&D

Revenue model

1. Sea Transportation Services: Long-term contracts with coal producers and end users with minimum tonnage clauses providing stable and continuous income. Spot charter services for idle capacity utilization.
2. Transshipment Services: Transfer of bulk materials from barges to motor vessels offshore for clients in mining and natural resources industry.
3. Third Party Vessel Brokering: Aggressive brokering of third party managed vessels to increase revenue and utilize network capabilities.

Go-to-market motion2 records

Distribution channels1 record

Marketing channels3 records

Core offering

MBSS provides integrated sea transportation and transshipment services for bulk materials such as coal and nickel ore, operating an owned barging fleet and floating crane fleet to move cargo between mining sites and ocean-going motor vessels. The company delivers end-to-end material handling and logistics solutions under long-term contracts with leading Indonesian coal mining producers, including domestic inter-island routes and regional deliveries to Asian countries.

Product overview

PT Mitrabahtera Segara Sejati (MBSS) is an Indonesian sea transportation and transshipment company with over 30 years of experience serving the mining and natural resources industry. The company operates an integrated one-stop solution platform comprising four core services: Barging Services (using versatile barging fleet for coal and nickel transportation), Transshipment Services (offshore transfer from barges to motor vessels), Material Handling (integrated bulk material handling), and Floating Crane Operations (supporting offshore transshipment activities). Together, these services enable MBSS to provide comprehensive sea logistics solutions for top-tier Indonesian coal mining companies, including domestic inter-island deliveries and regional transportation to Asian countries.

Differentiator

Problem solved

Functional benefit

Products and services

• Barging Services Sea transportation service using the company's versatile barging fleet with highly trained crew to transport bulk materials such as coal and nickel ore for mining companies, serving domestic inter-island routes and long towing voyages.
• Transshipment Services Offshore transshipment service that transfers bulk materials from barges to motor vessels when direct delivery is not possible, utilizing MBSS's floating crane fleet for material handling operations for mining and natural resources clients.
• Material Handling Services Integrated material handling services for sea transportation and transshipment of bulk materials, combining barging and floating crane operations for the mining and natural resources industry.
• Floating Crane Operations Offshore floating crane fleet operations supporting transshipment activities, enabling efficient transfer of bulk materials from barges to larger motor vessels at sea.
• Third Party Vessel Brokering Brokering of third party managed vessels to increase revenue and utilize MBSS's network capabilities by matching incremental client demand with third-party tonnage.

Quantifiable outcome

• 30+ years of operational experience
• +1 more outcomes

Named customers2 records

Segments4 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature2 records

Scale indicators4 records

Recent moves6 records

Expansion highlights4 records

Others

• Star Energy Group: Indonesian energy and resources group with coal interests; an adjacent ecosystem peer reflecting the same mining-customer base that drives MBSS volumes.
• Adaro Energy: Indonesia's largest thermal coal producer and a key MBSS customer; included as a vertical ecosystem participant because integrated coal miners sometimes internalize their own barging/transshipment, representing both customer and potential competitive threat.
• Bumi Resources: Major Indonesian thermal coal producer and significant barging/logistics consumer; comparable ecosystem player representing the demand side of MBSS's barging services.

Emerging players

• PT Pelsus Indonesia: Smaller Indonesian bulk shipping operator focused on domestic coal and general cargo transport, partial overlap with MBSS in Indonesian coastal bulk barge services.

Broad incumbents

• Cosco Shipping: Global Chinese state-owned shipping conglomerate with deep-sea and coastal bulk capabilities, representing the broader incumbent competitive set MBSS faces when serving Chinese end users.
• Pacific Basin Shipping: Hong Kong-listed dry bulk shipping operator with global presence in regional and coastal bulk trades, comparable in business model (asset-heavy tonnage provider to industrial customers) to MBSS's Asian regional services.
• PT Samudera Indonesia: Larger, publicly listed Indonesian shipping and logistics group with container, bulk, and tanker segments, overlapping with MBSS in domestic Indonesian bulk transport and transshipment.

Direct peers

• PT Pelayaran Meratus: Major Indonesian domestic shipping line offering integrated logistics including bulk and container services across the archipelago, with similar inter-island routes and enterprise mining customers.
• PT Indonesia Bulk Terminal: Indonesian bulk terminal and transshipment operator with similar floating-crane-based transfer services for coal and minerals, directly competing with MBSS in the Indonesian offshore transshipment niche.

Regional players

• Berjaya Shipping: Malaysian bulk carrier focused on regional ASEAN and Asian coastal bulk trades, a comparable regional peer for MBSS's inter-Asia bulk shipping activities.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/mitrabahtera
• LinkedInlinkedin.com/company/mitrabahtera-segara-sejati-tbk

Compliance7 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Mitrabahtera Segara Sejati