Green Instruments

What Green Instruments does

Green Instruments A/S is a privately held Danish manufacturer founded in 1999, headquartered in Brønderslev, Denmark, that develops and sells monitoring and analysis instruments for the global maritime industry. Its product portfolio centers on gas and water analyzers, emission monitoring systems, and hazard detectors designed for shipboard use — including oxygen analyzers built on proprietary zirconia sensor technology (G3631, G3621, G360x series), green-laser-based smoke density and oil mist detectors (G16, G26), a multi-gas monitoring system (G7200), NOx/O2 analysis (G4130), scrubber water monitoring (G6200), and a purpose-built black carbon monitor (G8100). The GreenView Emissions Insight system applies a carbon-balance method combining onboard inputs with live measurement to produce real-time CO2 emissions insight, addressing tightening IMO and EU regulatory requirements.

The company operates a sales-led, direct-to-customer model targeting commercial vessel owners, operators, and maritime classification societies worldwide. Revenue is generated through one-time equipment sales, a 24/7 aftermarket service and spare-parts operation (including wholly-owned service subsidiaries in the USA and Singapore), and the Green Instruments Academy training program. A key commercial differentiator is the depth of regulatory approvals held across all major classification societies (DNV, Lloyd's Register, Bureau Veritas, ABS, ClassNK, RINA, Korean Register, China Classification Society) along with MED, IECEx, and CE certifications, which materially shortens vessel integration cycles for shipowners.

Name

Green Instruments

Legal name

Green Instruments A/S

Website

https://greeninstruments.com

Company type

Private

Founded year

1999

Operating status

Operating

Headcount range

51–100 employees

Short description

Green Instruments A/S is a Danish manufacturer, founded in 1999, that builds gas and water analyzers, emission monitors, and hazard detectors for the global commercial maritime industry, selling direct to shipowners, vessel operators, and classification societies.

Ownership category

akta.pro rank

Product category

Maritime Environmental Monitoring Equipment

NAICS

Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables (334513)

SIC

Industrial Instruments For Measurement, Display, And Control (3823)

akta.pro primary industry

Environmental & Safety Monitoring Instruments (Air quality, emissions, radiation, noise, gas detection) (IMAGAFAJ)

akta.pro secondary industries

Process Analytical Instrumentation (Gas analyzers, spectroscopy, pH/ORP, conductivity) (IMAGAFAE), Fuel & Emissions Systems for Propulsion (Fuel supply, SCR, EGR, exhaust aftertreatment) (IMAJAHAK), Continuous Emissions Monitoring Systems (CEMS) & Stack Testing (EUAHADAA), Stack/Source Emissions Testing & CEMS Support (EUAHACAB)

Keywords

• Maritime emission monitoring
• Marine gas analyzers
• Oxygen analysis systems
• Oil mist detection
• Black carbon monitoring

Headquarters

HQ city

Brønderslev

HQ country

Denmark

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Product Sales: Direct sales of maritime monitoring instruments including gas analyzers, smoke density monitors, oil mist detectors, and emissions monitoring systems to commercial vessels and maritime operators.
2. Aftermarket Services: 24-hour service support, spare parts supply, and technical support throughout product lifetime. Service coverage wherever and whenever needed.
3. Academy/Training: Training services through Green Instruments Academy for product operation and maintenance.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels1 record

Core offering

Green Instruments develops and manufactures instruments for gas and water analysis, emission monitoring systems, hazard detection, and energy optimization specifically for maritime applications. The product lineup covers live CO2 emissions measurement, multi-gas and smoke density monitoring, oil mist detection, ambient and stack gas oxygen analysis, inert gas oxygen analysis, NOx/O2 measurement, water monitoring, and black carbon monitoring. Complementing the hardware are 24/7 aftermarket services, spare parts supply, and the Green Instruments Academy training program.

Product overview

Green Instruments develops and manufactures a comprehensive portfolio of instruments for gas and water analysis, emission monitoring systems, hazard detection, and energy optimization for maritime applications. The product lineup includes: GreenView Emissions Insight (live CO2 emissions measurement using carbon-balance method), Multi Gas Monitoring (G7200), Smoke Density Monitor (G16), Oil Mist Detector (G26), Oxygen Analyzers (G3631 Ambient, G3621 Stack Gas, G360x Inert Gas series), NOx/O2 Analyzing System (G4130), Water Monitoring System (G6200), and Black Carbon Monitoring System (G8100). These products work together to provide comprehensive environmental compliance, safety monitoring, and energy optimization solutions for vessels, helping operators protect people, environment, and assets while meeting regulatory requirements.

Differentiator

Problem solved

Functional benefit

Brands

• GreenView Emissions Insight: A live emissions measurement system that combines onboard input with live emissions measurement using the carbon-balance method to provide direct access to real emissions insight for economic benefits and climate protection.

Products and services

• GreenView Emissions Insight Live emissions measurement system that combines relevant onboard input with real-time emissions measurement using the carbon-balance method, providing direct access to emissions insight for economic benefits and climate protection. Designed for shipowners and commercial vessel operators seeking to reduce environmental impact and fuel costs.
• G7200 Multi Gas Monitoring System Real-time tracking system for harmful emissions that ensures regulatory compliance, protects health and environment, and boosts operational efficiency on board commercial vessels.
• G16 Smoke Density Monitor Advanced smoke and dust monitoring system using green laser technology to deliver precise combustion data from stacks on board vessels.
• G26 Ambient Oil Mist Detector Reliable opacity meter with green laser technology that detects all types of oil mist in open and narrow spaces, helping avoid fires and protecting lives, environment, and assets on board vessels.
• G3631 Ambient Oxygen Analyzer Microprocessor-based analyzer with zirconia sensor for accurate oxygen measurements in marine environments, measuring oxygen content in atmospheres to prevent hazardous situations.
• G3621 Stack Gas Oxygen Analyzing System Oxygen analyzer installed directly in the stack for in-situ real-time wet oxygen measurements under actual exhaust gas conditions, controlling fuel-air ratio and optimizing boiler efficiency for fuel savings of 3-5%.
• G360x Inert Gas Oxygen Analyzing System Oxygen analyzer systems for inert gas systems, nitrogen generators, and critical safety applications using zirconia sensor technology, available in G3600 (single board), G3601 (double board for redundancy), G36a (standalone), and G36p (panel mounted) variants.
• G4130 NOx/O2 Analyzing System Real-time measurement system for NOx and O2 concentrations in exhaust gases, ensuring environmental compliance and providing precise data for regulatory reporting requirements.
• G6200 Water Monitoring System Continuous in-situ water monitoring system for exhaust gas cleaning (scrubber) applications, providing reliable and highly accurate measurements with robust design and broad temperature, pressure, and flow range.
• G8100 Black Carbon Monitoring System Purpose-built system for maritime operations to measure black carbon emissions, supporting compliance, efficiency, and environmental stewardship initiatives.

Quantifiable outcome

• 3-5% fuel consumption savings achievable with stack gas oxygen optimization
• +1 more outcomes

Named customers2 records

Segments2 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Eight partnerships are on record, tiered core.

• DNVcoreTechnology or IntegrationDNV provides type approval certification for Green Instruments' oxygen analyzer products, validating compliance with maritime safety and performance standards.
• Lloyd's RegistercoreTechnology or IntegrationLloyd's Register type approval certification for oxygen analyzers, confirming product compliance with maritime classification requirements.
• Bureau VeritascoreTechnology or IntegrationBureau Veritas provides type approval certification for Green Instruments products, verifying compliance with international maritime standards.
• American Bureau of Shipping (ABS)coreTechnology or IntegrationABS type approval for Green Instruments maritime monitoring products, validating safety and performance for maritime applications.
• ClassNKcoreTechnology or IntegrationClassNK type approval certification for Green Instruments products serving Japanese and Asian maritime markets.
• RINAcoreTechnology or IntegrationRINA type approval certification for Green Instruments maritime monitoring equipment, serving European maritime classification needs.
• Korean RegistercoreTechnology or IntegrationKorean Register type approval for Green Instruments products, supporting compliance with Korean maritime standards.
• China Classification SocietycoreTechnology or IntegrationChina Classification Society type approval for Green Instruments products, enabling market access in Chinese maritime sector.

Scale indicators2 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• ABB: Global process automation and electrification company providing CEMS, gas analyzers, and emissions monitoring through its Measurement & Analytics division. ABB competes with Green Instruments on stack gas and emissions instrumentation but at much greater scale across industries.
• Siemens: Global industrial automation and process analytics incumbent with emissions monitoring offerings as part of a much broader portfolio. Siemens overlaps with Green Instruments in gas analysis and process analytics but does not specialize in maritime emissions monitoring.
• Yokogawa Electric: Japanese industrial automation and process control company offering gas analyzers and emissions monitoring. Yokogawa's process analytics overlap with Green Instruments, particularly in combustion optimization and stack monitoring, though it serves a much broader market.

Direct peers

• KROHNE: German process measurement company offering gas analyzers and in-situ measurement systems for industrial and marine applications. KROHNE directly competes with Green Instruments in stack gas and process oxygen analysis used on commercial vessels.
• HORIBA: Japanese maker of emissions measurement systems, gas analyzers, and stack monitoring equipment. HORIBA's automotive and industrial emissions business directly overlaps with Green Instruments' stack gas oxygen, NOx, and smoke density analyzers used in marine and power applications.
• MKS Instruments: U.S. provider of process and emissions monitoring instrumentation including gas analyzers and FTIR-based emissions systems. MKS' process monitoring business is comparable to Green Instruments' in-situ oxygen, NOx, and combustion optimization products.
• Endress+Hauser: Swiss process instrumentation specialist producing gas analyzers, oxygen probes, and emissions measurement devices. Endress+Hauser competes with Green Instruments across industrial and maritime gas analysis, with a broader process-analytical portfolio.
• SICK AG: German manufacturer of gas analyzers and emissions monitoring systems for industrial and maritime applications. SICK directly competes with Green Instruments in stack gas oxygen analysis, opacity/smoke measurement, and emissions compliance instrumentation on board vessels.
• AMETEK: U.S. manufacturer of process and analytical instruments including gas analyzers, CEMS, and emissions monitoring hardware. AMETEK's process analytical division overlaps with Green Instruments' oxygen, NOx, and multi-gas monitoring product lines serving industrial and marine customers.

Others

• Wärtsilä: Finnish marine engine and energy systems provider whose engine platforms integrate with maritime emissions monitoring instrumentation. Wärtsilä is not a direct competitor to Green Instruments but is a relevant ecosystem participant because its engines specify and influence adoption of monitoring technologies on newbuild vessels.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/green-instruments-a-s

Compliance9 records

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries2 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 Green Instruments