Bolier

What Bolier does

Bolier (Machinefabriek Bolier B.V.) is a Netherlands-based marine engine service company founded in 1949, headquartered in Dordrecht with a subsidiary (MaKMed) in Marseille, France. The company maintains, repairs, and overhauls MaK and ABC marine engines and Napier and KBB turbochargers, serving shipping companies, ship owners, and commercial maritime vessel operators across Benelux, France, and French-speaking North Africa, with global on-site field service capability. It operates the largest specialized MaK workshop in North-West Europe, featuring a 140-meter quayside at the three-river point near Rotterdam.

The company's core technology revolves around factory-authorized service of medium-speed marine diesel engines and turbochargers, supported by the Engenius online platform (launched 2019) which provides 24/7 parts ordering, price/delivery lookup, order history, and digital access to service documents. Service delivery combines the Dordrecht quayside workshop (with extensive parts inventory and the parts exchange programme for fast turnaround) and worldwide on-site field service. Bolier holds the highest-tier Platinum Marine Service Assessment from Caterpillar Motoren and is an authorized MaK Service Excellence Center, Certified Rebuild Center, and Napier-approved repair partner.

Revenue is generated through a mix of professional services (workshop overhauls, field service, TA engine inspections), hardware sales (new and remanufactured parts), transaction-based exchange programme fees, and subscription-style multi-year service contracts in three tiers (Level 1 on-demand, Level 2 preventive maintenance with remote monitoring, Level 3 outcome-based running-hours agreements). Pricing is primarily quote-based for services and unit-based for parts, with fixed pricing for common workshop overhauls. The company is a wholly-owned subsidiary of Zeppelin Holding B.V. since 2025, following prior ownership by Pon Holdings from 2005.

Name

Bolier

Legal name

Machinefabriek Bolier B.V.

Website

https://bolier.nl

Company type

Private

Founded year

1949

Operating status

Operating

Headcount range

51–100 employees

Short description

Bolier is a Netherlands-based marine engine service company founded in 1949 that maintains, repairs, and overhauls MaK and ABC marine engines and Napier and KBB turbochargers for shipping companies and commercial vessel operators across Europe and North Africa, supported by the Engenius online parts and service platform.

Ownership category

akta.pro rank

Headquarters

HQ city

Dordrecht

HQ country

Netherlands

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Marine Engine Maintenance & Overhaul Services: Maintenance, repair, and complete overhaul of MaK and ABC marine engines, performed at the Dordrecht workshop or on-site worldwide. Services include 6-month warranty on all work performed.
2. Service Contracts: Three-tiered service contracts (Level 1: on-demand service, Level 2: preventive maintenance with monitoring, Level 3: running hours agreement) providing recurring revenue and customer lock-in. Minimum terms typically 2 years.
3. Parts Sales (New & Used): Sales of new and used/remanufactured parts for MaK, ABC, Napier, and KBB marine engines. Includes online ordering via Engenius portal. Parts include cylinder liners, fuel pumps, turbochargers, bearings, and more.
4. Parts Exchange Programme: Exchange of overhauled components (fuel pumps, cylinder heads, air coolers, turbine cartridges) against cores requiring overhaul, enabling faster turnaround and reduced ship downtime.
5. TA Engine Inspection Services: One-day Technical Analysis inspection service providing comprehensive engine condition reports and preventive maintenance recommendations.
6. Turbocharger Maintenance & Repair: Authorized maintenance and repair of Napier and KBB turbochargers, including exchange cartridges and on-board cartridge replacement within one working day.

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels5 records

Core offering

Bolier provides maintenance, repair, and complete overhaul services for MaK and ABC marine engines and Napier and KBB turbochargers, performed at its 140-meter quayside workshop in Dordrecht or on-site worldwide. The company sells genuine new and remanufactured parts, operates an exchange programme for overhauled components, delivers one-day Technical Analysis engine inspections, and offers three-tiered multi-year service contracts for shipping companies and ship owners.

Product overview

Bolier is a marine engine and turbine service company offering a comprehensive portfolio centered on MaK and ABC marine engines, Napier and KBB turbochargers, and the Engenius digital platform. Core offerings include maintenance, repair, overhaul, and genuine/oem parts for MaK and ABC marine engines (spanning multiple generations from M20 to M601 series), authorized Napier and KBB turbocharger service, and the 2019-launched Engenius online portal for parts ordering and service document management. Supporting services include a parts exchange programme, three-tiered service contracts, Technical Analysis (TA) engine inspections, and sustainability consulting for IMO emissions compliance (EEXI/CII). Services are delivered at Bolier's 140-meter quayside workshop in Dordrecht (North-West Europe's largest specialized MaK workshop) or on-site globally, backed by 24/7 availability and MaK/Caterpillar platinum-level certification.

Differentiator

Problem solved

Functional benefit

Brands

• Engenius: Online service portal for ordering MaK parts and accessing service documents 24/7

Products and services

• Maintenance, Repair and Overhaul Services Comprehensive maintenance, repair, and complete overhaul services for MaK, ABC, Napier, and KBB marine engines and turbines, performed at Bolier's 140-meter quayside workshop in Dordrecht or on-site worldwide, with 6-month warranty on all work and fixed pricing for common workshop jobs. Target customers: shipping companies and ship owners.
• MaK Marine Engine Parts (New and Remanufactured) Sales of new genuine and used/remanufactured parts for all MaK marine engine series, including cylinder heads, fuel pumps, injectors, piston crowns, bearings, gasket sets, filter elements, and cartridges, available for online ordering via the Engenius portal with worldwide shipping. Target customers: shipping companies, ship owners, and ship managers operating MaK engines.
• ABC Marine Engine Service and Parts Official ABC marine engine representative service with maintenance, repair, overhaul, and an extensive stock of genuine ABC parts. Target customers: shipping operators with ABC engines.
• Napier and KBB Turbocharger Service Authorized maintenance, repair, and overhaul of Napier turbochargers and KBB turbines, including OEM parts supply and the cartridge exchange programme enabling one-day on-board replacement. Target customers: shipping operators with Napier or KBB turbocharged engines.
• MaK and ABC Parts Exchange Programme Exchange of overhauled marine engine components (fuel pumps, cylinder heads, air coolers, Napier and KBB turbine cartridges, regulators, atomizers, flame rings, valve bodies, piston crowns) against cores requiring overhaul, enabling faster vessel turnaround. Target customers: shipping companies needing minimal downtime.
• Service Contracts (Three Levels) Customized multi-year service contracts in three tiers: Level 1 (on-demand service with parts and exchange programme access), Level 2 (adds periodic fluid analysis, engine inspection, remote Engine Connect monitoring, and personnel training), and Level 3 (running-hours agreement with fixed per-hour payment covering all required maintenance). Target customers: shipping companies seeking recurring maintenance relationships and budget predictability.
• Technical Analysis (TA) Engine Inspection One-day comprehensive engine condition assessment including endoscopic inspection, crankshaft inspection, alarm testing, flexible clutch check, engine suspension inspection, and operating hours analysis, with a detailed report and preventive maintenance recommendations to reduce unplanned downtime. Target customers: shipping operators seeking predictive maintenance.
• Engenius Online Service Portal Online self-service portal providing 24/7 access to MaK parts ordering, service document management, price and delivery-time lookup, order history, project status tracking, and downloadable service letters. Target customers: shipping companies and ship managers with MaK engines.
• Sustainability and Emissions Compliance Advisory Advisory and technical solutions for reducing ship emissions and improving efficiency, including EEXI (Energy Efficiency Existing Ships Index) compliance consultation and CII (Carbon Intensity Indicator) rating improvement aligned with the IMO Greenhouse Gas Reduction Strategy. Target customers: ship owners needing emissions compliance support.

Quantifiable outcome

• One-day on-board turbocharger cartridge replacement capability using exchange parts
• +3 more outcomes

Named customers3 records

Segments2 records

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Seven partnerships are on record, tiered core and minor.

• MaK (Maschinenbau Kiel) / Caterpillar MotorencoreChannel Partner/ Reseller/ DistributorBolier is the official representative of MaK marine engines and generator sets in the Benelux and Netherlands Antilles since 1958. Since 2005, Bolier has been part of the Pon family business. Bolier operates as a Caterpillar / MaK Service Excellence Center and holds Platinum-level Marine Service Assessment qualification. Provides maintenance, repair, overhaul, and genuine MaK parts.
• ABC (Berg Propulsion)coreChannel Partner/ Reseller/ DistributorBolier is the official ABC representative and maintains and repairs ABC marine engines. Extensive stock of new and used ABC parts. Services include maintenance, repair, overhaul, and parts supply.
• Napier TurbochargerscoreTechnology or IntegrationBolier is an authorised maintenance and service centre of Napier Turbochargers and approved supplier and repair/overhaul partner for Napier turbochargers and spare parts. Napier is a world leader in industrial turbocharger design, manufacture, and support. Bolier provides parts and service for all Napier models including NA297, NA307, NA357, NA397, NA298, NA358, NA398, and NA498.
• KBB (Kompressorenbau Bannewitz) TurbochargerscoreTechnology or IntegrationBolier performs maintenance and repair of all types of KBB turbines. KBB manufactures and sells exhaust gas turbochargers with both axial and radial turbos. All Napier and KBB products are approved by international maritime classification societies.
• MaKMedcoreChannel Partner/ Reseller/ DistributorMaKMed is Bolier's subsidiary in Marseille, France, established in 2005 through the acquisition of Moteurs Marine Méditerranée. It serves as the official MaK representative for France and French-speaking countries of North Africa (Morocco, Algeria, Tunisia). Together with MaKMed, Bolier provides coverage across France, Morocco, Algeria, and Tunisia.
• Zeppelin Holding B.V.coreOthersBolier (Machinefabriek Bolier B.V.) is part of Zeppelin Holding B.V. Zeppelin is a foundation-owned company (Zeppelin Foundation is main shareholder) headquartered in Friedrichshafen with HQ in Garching near Munich. Zeppelin operates in 29 countries with over 12,000 employees. In 2024, Zeppelin generated EUR 3.8 billion revenue, increasing to over EUR 5 billion in 2025 after acquiring PEPP Group BV. Zeppelin organizes operations in four SBUs: Construction Equipment, Rental, Power Systems, Plant Engineering.
• Pon Holdings B.V.minorOthersBolier became part of the Pon family business in 2005. Pon is described as one of the largest trade and service organizations in the Netherlands. Prior to the 2025 acquisition by Zeppelin, Pon Holdings served as Caterpillar dealer in Norway and the Netherlands.

Scale indicators7 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Bakker Sliedrecht: Bakker Sliedrecht is a Dutch provider of marine electrical, automation, and hybrid propulsion solutions, including service and retrofit work on commercial vessels. It competes for similar marine engineering service budgets on Dutch-flagged and North-West European vessels and shares overlap in vessel downtime-driven service demand.
• Pon Power: Pon Power was the Caterpillar dealer for the Netherlands and Norway under the same Pon Holdings umbrella that previously owned Bolier. It now operates under Zeppelin as a sister company and provides overlapping marine and industrial engine service, parts, and generator solutions — making it the closest head-to-head comparable to Bolier.
• RH Marine: RH Marine is a Dutch marine technical services provider specializing in electrical, automation, navigation, and integrated platform systems on commercial and naval vessels. It is comparable to Bolier as a similarly sized Netherlands-headquartered maritime technical services firm serving the same shipping customer base.
• Alewijnse: Alewijnse is a Dutch marine and industrial electrical systems integrator with service offerings across commercial shipping, offshore, and yachting. It is comparable to Bolier as a similarly positioned Netherlands-based marine technical services specialist serving European ship owners and yards.
• ZF Marine: ZF Marine is a global supplier of marine propulsion systems (gearboxes, propellers, thrusters) and provides service, parts, and lifecycle support to commercial vessel operators. It is comparable to Bolier as a marine propulsion-focused service provider operating through authorized service networks and recurring service agreements.

Broad incumbents

• Kongsberg Maritime: Kongsberg Maritime is a major supplier of marine propulsion (formerly Kamewa waterjets), engines, automation, and integrated vessel systems, with global service hubs supporting commercial and offshore fleets. It overlaps with Bolier in marine propulsion service and increasingly in digital monitoring and remote support offerings.
• MAN Energy Solutions: MAN Energy Solutions is a leading manufacturer of large two-stroke and four-stroke marine engines (including the MAN B&W and MAN medium-speed lines), with a global service network offering maintenance, retrofit, and digital monitoring. It is the most direct large-OEM competitor to MaK in the medium-speed marine segment Bolier services.
• Wärtsilä: Wärtsilä is one of the world's largest marine engine manufacturers and service providers, operating a global service network for medium-speed and four-stroke engines. It competes with Bolier's MaK franchise on service, parts, and lifecycle agreements, but at much greater scale and across a broader engine portfolio.
• Caterpillar Marine (MaK): Caterpillar Marine produces the MaK medium-speed engines that Bolier services, and is both Bolier's principal partner and a structural threat: it could in principle expand direct service or onboard competing authorized service centers. It defines the product roadmap Bolier depends on.
• Anglo Belgian Corporation (ABC): ABC is the Belgian manufacturer of the medium-speed marine and stationary engines (DZC series) that Bolier services and parts-supplies as official ABC representative. It is both a partner and a channel where Bolier's territory rights and certification scope are defined.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks5 records

Key highlights7 records

Customer concentration

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Compliance5 records

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries1 record

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 Bolier