Mencast Holdings Limited

What Mencast Holdings Limited does

Mencast Holdings Limited is a Singapore-based, SGX-listed (symbol: 5NF) provider of maintenance, repair, and operations (MRO) solutions serving the offshore, marine, and oil & gas industries, with operations dating to 1971 and an IPO in June 2008. The group operates through three business segments: Offshore & Engineering, Marine, and Energy Services (Toxic Waste Management). Its service portfolio spans engineering, fabrication, and maintenance of offshore structures and equipment, marine MRO including additive-manufacturing-enabled spare-parts solutions, and toxic industrial waste treatment using an Advanced Thermal Desorption Unit (ATDU) for oily sludge, contaminated soil, and filter cake, supported by in-house laboratory testing. A notable technical initiative is the development of the first production-ready 3D-printed propeller for commercial maritime use, developed in collaboration with ABS, SUTD, and NAMIC.

The company employs 501–1,000 people and generates revenue primarily through professional services under quote-based B2B contracts, with an enterprise sales motion targeting major offshore, marine, and O&G customers across Southeast Asia. Its go-to-market is relationship-driven and direct, supported by a corporate website, investor relations portal, LinkedIn and YouTube presence, and email alerts for SGXNet filings. The Energy Services segment benefits from MARPOL Annex I Marine Waste Reception Centre operator status, which provides a regulatory moat for oily-waste management, and is being extended through an April 2026 binding partnership with Salt Investments to deliver integrated oily-waste management services.

Financially, revenue has ranged in the low-to-mid SGD 30 millions annually from FY2021 to FY2025, with FY2025 showing a revenue decline and a swing to negative operating and net income, suggesting margin pressure. Capital structure activity includes a SGD 3M convertible bond completed in May 2026 and the proposed disposal of the 42B Penjuru Road operational facility exercised in March 2026, alongside the earlier 2023 disposal of the Batam property, indicating ongoing asset rationalization rather than aggressive expansion.

Name

Mencast Holdings Limited

Legal name

Mencast Holdings Limited

Website

https://mencast.com.sg

Company type

Public

Founded year

2008

Operating status

Operating

Headcount range

501–1,000 employees

Short description

Mencast Holdings Limited is a Singapore-listed MRO solutions provider serving offshore, marine, and oil & gas industries through three segments: Offshore & Engineering, Marine, and Energy Services (Toxic Waste Management) including additive manufacturing.

Ownership category

akta.pro rank

Product category

Marine and Offshore MRO Services

NAICS

Ship Building and Repairing (336611), Support Activities for Water Transportation (4883)

SIC

Ship & Boat Building & Repairing (3730), Oil & Gas Field Machinery & Equipment (3533)

akta.pro primary industry

Fabrication & Prefab Modules for Repair (Spools, Steel/Aluminum Sections) (IMAJAFAL)

akta.pro secondary industries

Piping, Mechanical & Auxiliaries Repair (Pumps, Valves, Heat Exchangers, Boilers) (IMAJAFAE), Electrical, Automation & Navigation MRO (Power, Controls, Comms, ECDIS/Radar) (IMAJAFAD), Surface Preparation, Coatings & Corrosion Control (Blasting, Painting, Anti-fouling) (IMAJAFAF), Emergency/Expeditionary Repairs & Afloat Maintenance (Voyage Repairs) (IMAJAFAK)

Keywords

• Offshore engineering services
• Marine maintenance repair
• Toxic waste management
• Oil and gas MRO
• Industrial waste treatment

Headquarters

HQ city

Singapore

HQ country

Singapore

HQ region

Asia

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Offshore & Engineering Services: Comprehensive MRO solutions and engineering services for the offshore oil and gas sector
2. Marine Services: Marine maintenance, repair and related services
3. Energy Services / Toxic Waste Management: Treatment of toxic industrial waste including oily sludge, mud, oil, contaminated soil, solids waste, and filter cake; comprehensive waste management services including laboratory testing and advanced treatment facilities

Go-to-market motion1 record

Distribution channels1 record

Marketing channels5 records

Core offering

Mencast Holdings Limited is a comprehensive MRO (Maintenance, Repair and Operations) solutions provider serving the offshore, marine, and oil & gas industries through three business segments. The Offshore & Engineering segment delivers engineering, fabrication and maintenance services for offshore structures; the Marine segment provides marine MRO services and is pioneering 3D-printed components for maritime use; and the Energy Services (Toxic Waste Management) segment operates an approved MARPOL Annex I Marine Waste Reception Centre using an Advanced Thermal Desorption Unit (ATDU) to treat oily sludge, contaminated soil and filter cake.

Product overview

Mencast Holdings Limited is a comprehensive MRO (Maintenance, Repair, Operations) Solutions Provider serving the Offshore, Marine, and Oil & Gas Industries. The company operates through three core business divisions: Offshore & Engineering, Marine, and Energy Services (Toxic Waste Management). The Marine division operates under the subdomain marine.mencast.tech. The Toxic Waste Management division offers one of the most comprehensive suites of toxic industrial waste treatment services, including ATDU (Advanced Thermal Desorption Unit) for treating oily sludge, contaminated soil, and filter cake, supported by in-house laboratory testing and advanced treatment facilities in Singapore.

Differentiator

Problem solved

Functional benefit

Brands

• Offshore & Engineering: Business segment providing offshore and engineering services
• Marine
• Toxic Waste Management / Energy Services

Products and services

• Offshore & Engineering Services Engineering, fabrication, maintenance, repair and operations services for offshore oil and gas structures and equipment, including mission-critical emergency response. Targets offshore operators and rig owners in the offshore oil & gas industry.
• Marine Services Marine maintenance, repair and operations (MRO) services for the maritime industry, including pioneering additive manufacturing/3D-printed marine components and digital warehousing of certified spare parts. Targets ship owners, shipyards and marine operators.
• Toxic Waste Management (Energy Services) Comprehensive toxic industrial waste treatment services using ATDU (Advanced Thermal Desorption Unit) for oily sludge, mud oil, contaminated soil, solids waste and filter cake, with in-house laboratory testing and advanced treatment facilities in Singapore. Operates as an approved MARPOL Annex I Marine Waste Reception Centre, regenerating valuable products from collected waste. Targets industrial waste generators, marine operators and oily-waste producers.

Quantifiable outcome

• First production-ready 3D-printed propeller for commercial maritime use

Named customers1 record

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature1 record

Partnerships

Six partnerships are on record, tiered core and minor.

• Salt InvestmentscoreStrategic or Co-development Partner · 28 April 2026Mencast and Salt Investments entered into binding agreement to jointly deliver integrated oily-waste management services through strategic collaboration. The partnership taps on combined strengths of Mencaster's approved MARPOL Annex I Marine Waste Reception Centre Operator and Salt Investments' marine logistics and commercial network in the marine & offshore sector.
• ABS (American Bureau of Shipping)coreStrategic or Co-development PartnerABS is advancing additive manufacturing in maritime industry through qualification frameworks. Key collaboration with Mencast Marine, SUTD, and NAMIC aims to create production-ready 3D-printed propeller - the first such component for commercial maritime use rather than just prototyping.
• SUTD (Singapore University of Technology and Design)coreStrategic or Co-development PartnerResearch collaboration with ABS, Mencast Marine, and NAMIC for additive manufacturing in maritime industry, specifically the development of production-ready 3D-printed propeller for commercial maritime use.
• NAMIC (National Additive Manufacturing Innovation Cluster)coreStrategic or Co-development PartnerResearch collaboration with ABS, Mencast Marine, and SUTD for additive manufacturing in maritime industry, specifically the development of production-ready 3D-printed propeller for commercial maritime use.
• HD Hyundai Heavy IndustriesminorStrategic or Co-development PartnerABS is working with HD Hyundai Heavy Industries on onboard 3D printing capabilities for maritime applications.
• Pelagus 3DminorStrategic or Co-development PartnerABS is working with Pelagus 3D on digital warehousing to streamline certification of AM spare parts for marine and offshore industries.

Scale indicators4 records

Recent moves8 records

Expansion highlights4 records

Direct peers

• Vroon: Dutch-based shipping group with significant marine services and offshore support operations. Comparable to Mencast's Marine segment in terms of B2B marine services and shipowner customer base.
• Seatrium (formerly Sembcorp Marine): Singapore-based, SGX-listed shipbuilding and offshore engineering group with major ship repair, offshore platform construction and MRO capabilities. Directly comparable to Mencast's Offshore & Engineering and Marine segments, but at vastly greater scale.
• Smit Lamnalco (Royal Boskalis Westminster): Provider of marine terminal services including towage, mooring, and offshore support, with comparable marine services delivery to ports and offshore operators. Similar B2B marine services model to Mencast.
• Rotary Engineering: Singapore-based provider of engineering, procurement, construction and maintenance services for the oil & gas, petrochemical and energy sectors. Closely comparable to Mencast's Offshore & Engineering division in terms of geography, customer base and project types.

Regional players

• Mermaid Maritime: Thailand-based offshore services company providing subsea inspection, ROV, and offshore engineering to the oil & gas industry. Closely comparable to Mencast's Offshore & Engineering business in Southeast Asia offshore services.
• PACC Offshore Services (POSH): Singapore-based offshore marine services company operating a fleet of anchor handling, platform supply and accommodation vessels across Asia. Comparable to Mencast's offshore support exposure but in vessel-based services rather than yard-based MRO.
• MISC Berhad: Malaysian energy shipping and offshore solutions provider, with MRO, marine repair and offshore engineering services. Comparable in the marine/offshore MRO space and in regional Southeast Asia customer base.
• Hyundai Mipo Dockyard: Korea-based shipbuilder and ship repairer with extensive ship repair, conversion and offshore fabrication capabilities. Comparable to Mencast's Marine segment for ship repair and conversion work, focused in Northeast Asia.
• Nam Cheong Limited: Malaysia-based offshore vessel builder and offshore marine services provider serving the oil & gas sector. Comparable to Mencast's offshore and marine services exposure, primarily serving the Malaysian/regional offshore market.

Broad incumbents

• Keppel Corporation: Large Singapore conglomerate with offshore engineering, marine, and environmental services arms (including Keppel Shipyard). Operates in the same marine MRO and offshore O&G services space as Mencast but as part of a much broader portfolio.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/channel/UCZR4xOlWtIaxfTj0VTEjTFg
• LinkedInlinkedin.com/company/mencast-holdings-ltd-mn6-

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Subsidiaries1 record

Funding overview

Funding rounds1 record

Investors1 record

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

M&A2 records

Investments

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

Frequently asked questions about Mencast Holdings Limited