ASL Marine

What ASL Marine does

ASL Marine Holdings Ltd. (SGX: A04) is a vertically integrated marine services group headquartered in Singapore and listed on the Singapore Exchange since March 2003. The company operates through four core business divisions: shipbuilding (construction of specialised and niche vessels including dredgers, tugs, barges, tankers, and the proprietary Eco-Ark floating fish-farm design), ship repair and conversion (retrofitting, steel renewal, blasting and painting, mechanical, electrical, and electronic works), ship chartering (a diversified owned fleet of 213 vessels as of 30 June 2023 covering tugs, cargo and crane barges, split hopper barges, workboats, grab dredgers, landing crafts, tankers, PSVs, AHTs, and AHTSs), and marine engineering via its wholly owned subsidiary VOSTA LMG International B.V. (dredging technology design, specialised dredging component manufacturing, and patent licensing). Its physical footprint comprises two shipyards — a headquarters yard at 19 Pandan Road, Singapore, and a 46-hectare production yard in Batam, Indonesia, with 4,000 metres of berthing space, three graving docks exceeding 300,000 tonne deadweight capacity, and a 5,000-tonne lifting floating dock — combining to approximately 82 hectares of industrial capacity.

The company makes money through project-based shipbuilding contracts (revenue recognised on vessel delivery), repair and conversion service contracts (revenue as services are rendered), recurring charter hire from the owned vessel fleet, and licensing and component revenues from VOSTA LMG's patented dredging technology. Pricing is quote-driven and negotiated per contract given vessel specifications and scope; no public price list exists. Go-to-market is direct enterprise sales targeting shipowners, marine contractors, dredging operators, port operators, and cargo transport companies across Asia Pacific, South Asia, Europe, Australia, and the Middle East, supported by trade-show participation and the company website. Customers cited include PSA Marine (17 harbor tugs delivered), Port of Napier, Redsea Marine, and Singapore Shipping Group (4 bunkering tankers), with 45% of ship repair customers described as repeat multi-year accounts. The group is family-controlled through the Ang family, with Ang Kok Tian as Chairman, Managing Director and CEO; it is ISO 9001, 14001, and 45001 certified, and has launched a "Sustainability Catalyst (3 RE's)" service platform covering recycling, remodelling, and renewable-energy vessel conversions.

Name

ASL Marine

Legal name

ASL Marine Holdings Ltd.

Website

https://aslmarine.com

Company type

Public

Founded year

2000

Operating status

Operating

Headcount range

5,001–10,000 employees

Short description

ASL Marine Holdings Ltd. (SGX: A04) is a vertically integrated Singapore-listed marine services group operating shipyards in Singapore and Batam, Indonesia, providing shipbuilding, ship repair and conversion, ship chartering, and dredging engineering via its VOSTA LMG subsidiary to enterprise customers across Asia Pacific, Europe, Australia, and the Middle East.

Ownership category

akta.pro rank

Product category

Marine Services

NAICS

Ship and Boat Building (3366), Ship Building and Repairing (336611), Other Support Activities for Water Transportation (48839)

SIC

Ship & Boat Building & Repairing (3730), Water Transportation (4400)

akta.pro primary industry

Aquaculture & Fish-Farm Service Vessels (Feed, Wellboats, Harvest Support) (IMAJADAF)

akta.pro secondary industries

Landing Craft & Amphibious Workboats (LCM/LCT-style, Beaching Craft) (IMAJADAK), Dredging & Channel Deepening (Capital & Maintenance) (IMAFAJAB)

Keywords

• Shipbuilding services
• Ship repair and conversion
• Ship chartering
• Marine engineering
• Dredging technology

Headquarters

HQ city

Singapore

HQ country

Singapore

HQ region

Asia

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Shipbuilding: Building specialized and niche vessels including dredgers, tugs, barges, and tankers for global customers. Revenue is project-based, recognized upon delivery of vessels.
2. Ship Repair and Conversion: Comprehensive repair and conversion services including retrofitting, steel renewal, blasting, painting, electrical, electronic, and mechanical works. Revenue recognized as services are rendered.
3. Ship Chartering: Chartering of owned vessel fleet including tugs, barges, split hopper barges, workboats, grab dredgers, landing crafts, tankers, PSV, AHT, and AHTS vessels. Fleet of 213 vessels as at 30 June 2023 providing recurring charter revenue.
4. Marine Engineering (VOSTA LMG): Dredging technology design, engineering services, and specialized dredging component manufacturing. Includes patent licensing for proprietary dredging technology.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels3 records

Core offering

ASL Marine is a vertically integrated marine services group providing shipbuilding, ship repair and conversion, ship chartering, and marine engineering services. The company constructs specialized and niche vessels (dredgers, tugs, barges, tankers, Eco-Ark floating fish farms) at its own shipyards in Singapore and Indonesia, while operating a fleet of 213 vessels for charter to marine infrastructure, dredging, and cargo transportation companies. Through its VOSTA LMG subsidiary, it designs dredgers and manufactures patented specialized dredging components from bases in the Netherlands and Germany.

Product overview

ASL Marine Holdings Ltd. is a vertically-integrated marine services group offering four interconnected core service divisions: Shipbuilding (constructing specialized vessels including dredgers, tugs, barges, tankers, and Eco-Ark® Floating Fish Farms at yards in Singapore and Indonesia spanning 82 hectares), Ship Repair and Conversion (comprehensive repair services at its 46-hectare Batam facility with 300,000+ tonne deadweight dry-docking capacity), Ship Chartering (operation of 213 vessels including tugs, barges, dredgers, and offshore support vessels serving infrastructure, construction, and dredging industries), and Marine Engineering through its acquired subsidiary VOSTA LMG (dredging technology design and specialized component manufacturing with patented innovations). The company also provides sustainability-focused conversion services under its 3 RE's framework.

Differentiator

Problem solved

Functional benefit

Brands

• VOSTA LMG: Leader in dredging technology, designing complete dredgers, and manufacturing innovative components for enhanced efficiency and environmental impact.
• Eco-Ark

Products and services

• Shipbuilding Services Construction of specialized and niche vessels including dredgers, tugs, barges, tankers, and Eco-Ark Floating Fish Farms for global customers. The Group owns shipyards in Singapore and Indonesia (Batam) on combined land areas of approximately 82 hectares.
• Ship Repair and Conversion Services Comprehensive repair and conversion services including retrofitting, steel renewal, blasting and painting, electrical and electronic works, and mechanical works. The Batam shipyard sits on 46 hectares with berthing space of 4,000 metres and three graving docks with combined dry-docking capacity of more than 300,000 tonne deadweight.
• Ship Chartering Services Ownership and operation of a diversified fleet including tugs, cargo and crane barges, split hopper barges, workboats, grab dredgers, landing crafts, tankers, platform supply vessels (PSV), anchor handling tugs (AHT), and anchor handling towing/supply vessels (AHTS). The fleet of 213 vessels serves marine infrastructure, construction, dredging, and land reclamation industries.
• Marine Engineering (VOSTA LMG) VOSTA LMG is a specialist engineering company with bases in the Netherlands and Germany, acquired in 2012. It designs and manages construction of dredgers, manufactures specialized dredging components, and owns several important patents. Services include tilting systems and underwater wire installation.
• Sustainability Catalyst (3 RE's) Sustainability services focused on three principles: Recycle, Remodel, and Renewable. Includes decommissioning, upcycling, waste management, ship conversion to sustainable alternative energy, and support roles to offshore projects.

Quantifiable outcome

• 213 vessel fleet providing shipchartering services as at 30 June 2023
• +3 more outcomes

Named customers7 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

One partnership is on record.

• VOSTA LMG International B.V.coreStrategic or Co-development Partner · 1 December 2012In December 2012, ASL Marine acquired 100% interest in VOSTA LMG, a specialist engineering company with bases in the Netherlands and Germany. VOSTA LMG designs and manages construction of dredgers, makes and supplies specialized dredging components, and owns several important patents in dredging technology. This acquisition expanded ASL Marine's capabilities in dredging engineering and marine services.

Scale indicators7 records

Recent moves8 records

Expansion highlights6 records

Broad incumbents

• Sembcorp Marine: Major Singapore-listed shipyard and offshore engineering group; provides rig building, offshore platforms, and ship repair — a broader incumbent competing for the same regional marine services wallet.
• Damen Shipyards: Large Dutch shipbuilding group with a global yard network producing workboats, tugs, offshore vessels, and dredging support ships; competes head-to-head on workboat orders and overlaps with VOSTA LMG on dredging-related deliveries.
• Vard (Fincantieri): Norwegian shipbuilder now part of Fincantieri, building offshore service vessels, specialized tonnage, and aquaculture service vessels — overlapping with ASL Marine's offshore support and aquaculture vessel strategy.
• Hyundai Mipo Dockyard: South Korean mid-sized shipbuilder specializing in product tankers, container feeders, and special-purpose vessels; competes with ASL Marine on niche newbuild tonnage and benefits from regional cost advantages.

Direct peers

• Royal IHC: Dutch specialist in dredging vessels, equipment, and technology — the closest pure-play comparable to VOSTA LMG's dredging engineering and component business within ASL Marine.
• PaxOcean: Singapore-based shipyard group with yards in China and Indonesia building offshore support vessels, workboats, and specialized tonnage — a close regional peer on shipbuilding and ship repair.
• Strategic Marine: Singapore-anchored shipbuilder (with yards in Vietnam and Australia) building specialized workboats, landing crafts, and offshore vessels — overlapping directly with ASL Marine's tugs, barges, and landing craft product lines.

Regional players

• Eastern Shipbuilding Group: US-based builder of harbor tugs, patrol boats, and offshore support vessels; comparable in vessel type but competes in the North American market rather than Asia Pacific.
• Nam Cheong: Malaysian offshore support vessel builder; competes with ASL Marine in ASEAN on platform supply vessels and workboats but is geographically focused on Malaysian shipowners.

Others

• Meyer Werft: German specialist shipyard building highly customized vessels; comparable to ASL Marine in customization and engineering depth, though primarily focused on passenger and special-purpose ships rather than workboats.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/asl-shipyard-indonesia

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 records

Subsidiaries3 records

Funding overview

Funding rounds

Investors

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

M&A1 record

Investments1 record

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

Frequently asked questions about ASL Marine