What Seamark Group of Companies does

Seamark Group of Companies is a Rotterdam-headquartered maritime services company specializing in refrigerated container (reefer) maintenance, repair, monitoring, parts distribution, and climate solutions. Founded in 2002, it operates as a subsidiary of Kramer Group B.V. and positions itself as the largest independent reefer service provider in the Benelux region. The company serves shipping lines, leasing companies, independent equipment owners, and logistics providers across multiple geographies, supported by 11 depots, 36 mobile service technicians, six global distribution partners, and an annual throughput of approximately 100,000 pre-trip inspections (PTIs) on a workforce of 100+ employees.

The business is structured around five operating brands: Seamark Reefer Solutions (maintenance, PTIs, service calls, training), Seamark Monitoring Solutions (subscription-based remote monitoring and 24/7 alarm response), Seamark Trading Solutions, formerly AM-Solution (parts distribution and remanufacturing), Seamark Climate Solutions (HVAC systems), and adjacent product lines including NEX-GEN generator sets and the 360Reefer smart modem. Underlying technical assets include the proprietary URA and UHA diagnostic tools, which are described as industry-leading standards in the reefer service community. Seamark holds VCA, Caremax, F-Gassen, and OEM certifications, and was recognized as an Erkend Leerbedrijf (certified vocational training provider) in 2023.

Revenue is generated through a mix of professional services (maintenance, repair, PTIs), recurring subscription monitoring, transactional parts distribution and remanufacturing, and HVAC/climate solutions. In August 2023, parent Kramer Holding B.V. was majority-acquired by QTerminals Group, which significantly reshapes the company's strategic and capital position. Seamark's 2020 move to a 6,000 m² facility at Maasvlakte Plaza and its 2023 SMS 2.0 partnership with Rotterdam Shortsea Terminals reflect ongoing investment in physical and channel capacity.

Name

Seamark Group of Companies

Legal name

Seamark Group of Companies

Website

https://seamark-group.com

Company type

Private

Founded year

2002

Operating status

Operating

Headcount range

51–100 employees

Short description

Seamark Group is a Rotterdam-based maritime services company specializing in refrigerated container maintenance, repair, monitoring, parts distribution, and climate solutions for shipping lines, leasing companies, and logistics providers globally.

Ownership category

akta.pro rank

Product category

Refrigerated Container (Reefer) Services

NAICS

Refrigeration Equipment and Supplies Merchant Wholesalers (423740), Freight Transportation Arrangement (488510), Support Activities for Transportation (488)

SIC

Wholesale-Machinery, Equipment & Supplies (5080), Arrangement Of Transportation Of Freight & Cargo (4731)

akta.pro primary industry

Multi-sensor condition monitoring tags (temp+humidity+shock+location) (TLAEALAI)

akta.pro secondary industry

Order Visibility, Status Notifications & Customer Tracking Portal (TLAEACAL)

Keywords

• Reefer container services
• Cold chain logistics
• Maritime refrigeration maintenance
• Reefer monitoring solutions
• Container parts distribution

Headquarters

HQ city

Rotterdam

HQ country

Netherlands

HQ region

Europe

Offices15 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Maintenance and Repair Services: Core revenue from maintenance, repair and PTI (Pre-Trip Inspection) services for refrigerated containers. Revenue generated from service calls, on-site repairs, and depot-based maintenance operations.
2. Monitoring Services: Remote monitoring of reefer containers for cargo protection in transit. 24/7 monitoring center with alarm response capabilities.
3. Parts Distribution (AM-Solution): Global parts distribution and trading of spare parts, consumables, and remanufactured components for reefer containers. Includes innovative tools and custom solutions.
4. Climate Solutions: Designing, installing and maintaining climate control systems including air conditioning, heat pumps, and ventilation systems for commercial environments.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels4 records

Core offering

Seamark Group of Companies is a multi-discipline reefer specialist providing maintenance, repair, Pre-Trip Inspections (PTIs), 24/7 monitoring, parts distribution, and climate control solutions for refrigerated containers (reefers) in the intermodal shipping industry. The company operates through four core divisions—Seamark Reefer Solutions, Seamark Monitoring Solutions, Seamark Trading Solutions (AM-Solution), and Seamark Climate Solutions—serving shipping lines, leasing companies, and logistics providers in the Benelux region with global parts distribution.

Product overview

Seamark Group of Companies is a multi-discipline reefer specialist based in the Benelux offering a complete range of goods and services to support all areas of reefer operations, maintenance and repair. The company operates a platform-plus-modules architecture consisting of four core business divisions: Seamark Reefer Solutions (maintenance, PTIs, service calls, training), Seamark Monitoring Solutions (cargo protection, telematics), Seamark Trading Solutions/AM-Solution (parts distribution, remanufacturing, innovation), and Seamark Climate Solutions (HVAC systems). The group also includes NEX-GEN for power/generator solutions and has developed proprietary diagnostic tools including URA and UHA which have become the global standard for reefer controller management. Founded in 2002 by two reefer technicians, the company has grown from a startup operating out of a single Portakabin to the leading reefer service provider in the Benelux area.

Differentiator

Problem solved

Functional benefit

Brands

• AM-Solution: Parts distribution and trading division specializing in parts supply, innovation, remanufacturing and custom solutions for intermodal problems
• Seamark Reefer Solutions
• Seamark Monitoring Solutions
• Seamark Trading Solutions
• Seamark Climate Solutions
• NEX-GEN
• 360Reefer
• URA & UHA

Products and services

• Seamark Reefer Solutions Largest independent reefer service provider in the Benelux, offering Pre-Trip Inspections (PTIs), modifications, 24/7 service calls, workshops, training, and depot services for refrigerated containers in the ports of Rotterdam and Antwerp. Serves shipping lines, leasing companies, and independent equipment owners.
• Seamark Monitoring Solutions Specialized branch focused on reefer monitoring and cargo protection in transit. Provides port monitoring, maintenance, a 24/7 monitoring center with alarm response, and multiplatform telematics services for reefer containers at port terminals.
• Seamark Trading Solutions (AM-Solution) Parts distribution and trading division specializing in parts supply, innovation, remanufacturing, and custom solutions to intermodal problems including hardware, software, process management, and global sourcing for reefer container parts.
• Seamark Climate Solutions Designs, installs and maintains climate control systems for commercial environments, including air conditioning, heat pumps, split systems, VRV/VRF installations, and cooling/heating solutions.
• URA & UHA Reefer Diagnostics Tools Industry-leading reefer diagnostics tools developed in-house and used by service centers, shipping lines, and equipment handlers globally. Has become the global standard for reefer controller management, sold to reefer service centers and equipment handlers worldwide.
• 360Reefer Smart Modem Innovative slim modem designed to monitor all systems on reefer containers, including open door detection, providing shipping lines with significant cost savings through a one-time purchase.
• USB Host Adapter & USB RS232 Adapter Multitool adapter that downloads all data stored in the datarecorder of a reefer container, used by service technicians globally for reefer diagnostics.
• STU (Safe Testing Unit) Device to safely test refrigerant in reefer containers, used by service technicians for safety-compliant refrigerant testing.
• Pre-used Parts 2.0 Remanufacturing Program Recycling and remanufacturing program where container parts are refurbished, tested to OEM standards, and given a second life, extending economic lifespan of components beyond the standard 15-year container depreciation at a fraction of OEM costs.
• NEX-GEN Generator Sets Power expert brand offering generator sets for trucks and trailers with proprietary innovation from Seamark, providing mobile power solutions for transport applications.

Quantifiable outcome

• 100,000 PTIs handled in one year (2020)
• +2 more outcomes

Named customers3 records

Segments5 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Twelve partnerships are on record, tiered core, flagship and minor.

• Rotterdam Shortsea TerminalscoreStrategic or Co-development Partner · 1 January 2023Strategic partnership signed in 2023 for SMS 2.0 monitoring services. Rotterdam Shortsea Terminals provides terminal access for reefer monitoring and maintenance operations at Reeweg 35 location.
• Transcool B.V.coreGTM or Marketing PartnerCollaborative partnership for launching NEX-GEN product range. Both companies share entrepreneurial attitude focused on innovative solutions for the industry.
• Rotterdam World Gateway (RWG)coreStrategic or Co-development PartnerPort monitoring and maintenance services partnership at RWG terminal location (Amoerweg 50) for reefer container monitoring operations.
• Kramer Group B.V.flagshipStrategic or Co-development PartnerParent company and founding partner. 12-year partnership with Kramer Group for managing reefer operations across multiple depots in Port of Rotterdam.
• Harbour Refrigeration ServiceminorChannel Partner/ Reseller/ DistributorPartner location for reefer services in the Rotterdam harbor area.
• CCT MoerdijkminorChannel Partner/ Reseller/ DistributorPartner location at Middenweg 35, Moerdijk for container services.
• ATO AntwerpminorChannel Partner/ Reseller/ DistributorAssociated Terminal Operators partner in Antwerp providing reefer services at Zandvoort 2 location.
• Antwerp Container CompanyminorChannel Partner/ Reseller/ DistributorPartner location in Antwerp for container handling and reefer services at Kragenweg 4.
• DDO KoudetechniekminorChannel Partner/ Reseller/ DistributorCooling technology specialist partner in the Netherlands.
• Overbeek Container ControlminorChannel Partner/ Reseller/ DistributorPartner location at Vondelingenplaat for container control and reefer services.
• Rhenus Deepsea TerminalminorChannel Partner/ Reseller/ DistributorPartner terminal at Antarcticaweg for deepsea container operations.
• Terramar/StarboxminorChannel Partner/ Reseller/ DistributorDistribution partner in Spain located at Calle K, 4, Polígono Industrial El Oliveral, 46190 Ribarroja del Turia (Valencia).

Scale indicators7 records

Recent moves16 records

Expansion highlights4 records

Direct peers

• Inland Container Services Group: Inland Container Services Group is a US-based independent provider of container maintenance, repair and depot services including refrigerated container (reefer) MRO. It directly compares to Seamark Reefer Solutions on service model, depot-based reefer PTIs and OEM-authorized service across a different geography.

Broad incumbents

• Carrier Transicold: Carrier Transicold is the world's largest OEM of container refrigeration equipment and operates a global service network. Comparable as the parent of Sensitech and a counterparty that issues Seamark its Caremax authorized-service certification, defining the service-tier landscape Seamark operates in.
• Thermo King (Trane Technologies): Thermo King is the leading OEM of transport refrigeration units including container/reefer systems, with a global dealer and service network. Comparable as an OEM that grants Seamark authorized-service status and competes with Carrier/Daikin in the reefer equipment and aftermarket service market.
• Triton Container International: Triton is one of the world's largest intermodal container leasing companies with a strong reefer fleet and in-house maintenance capabilities. Comparable as both a customer segment (leasing companies) for Seamark's off-hire inspection services and as a vertically integrated alternative for reefer lifecycle services.
• Beacon Intermodal Leasing: Beacon is a major container lessor with significant reefer fleet exposure and depot network. Comparable to Seamark as one of the leasing-company customer segments served by Seamark Belgium/Reefer Solutions PTI and off-hire inspection offerings.

Emerging players

• Sensitech (a Carrier company): Sensitech provides real-time cold chain visibility solutions, including for reefer container monitoring. Comparable to Seamark Monitoring Solutions and 360Reefer on the telematics/monitoring side, as both compete for logistics-provider mandates to monitor refrigerated cargo in transit.
• Nexxiot: Nexxiot is a Swiss-based IoT/telematics provider for intermodal containers including reefers, with cloud-native tracking and condition monitoring. Comparable to Seamark 360Reefer's monitoring functionality and to the SMS 2.0 telematics offering, as a tech-native threat to Seamark's monitoring franchise.
• Emerson Cargo Solutions (formerly GoTrackit): Emerson Cargo Solutions provides reefer container telematics, sensors and fleet monitoring platforms. Comparable to Seamark Monitoring Solutions on container monitoring and 360Reefer Smart Modem functionality, representing a global software-enabled competitor in cold chain visibility.
• TraXens: TraXens is a French IoT supplier providing smart container tracking and condition monitoring for intermodal fleets including reefers. Comparable to Seamark's 360Reefer and monitoring offering, focused specifically on intermodal container intelligence for shipping lines and lessors.

Others

• Daikin (Reefer) / Star Cool: Daikin (via its Daikin Reefer and Star Cool container refrigeration brands) is a major reefer OEM with service partners across ports. Comparable as both an OEM whose equipment Seamark services and as a broader industry peer defining the standards Seamark's URA/UHA tools and certified technicians must support.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles7 records

Subsidiaries6 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 Seamark Group of Companies