What A. Kruss Optronic does

A. Krüss Optronic GmbH is a Hamburg, Germany-based manufacturer of precision optical and analytical measurement instruments for laboratory use, founded in 1796 and operating continuously for over 228 years. The company's portfolio spans refractometers, polarimeters, flame photometers, density meters, microscopes, gas analyzers, and melting point meters that serve pharmaceutical, chemical, petrochemical, food, cosmetics, and academic research laboratories. Headline product lines include the P9000-series polarimeters, simultaneous Na/K/Ca/Li flame photometers, and a microscope range backed by a 5-year warranty.

The company operates as a family-owned and owner-managed GmbH led by Managing Directors Martina Krüss-Leibrock, Karin Leibrock (MBA), and Thomas Schmauck (MBA). Its go-to-market combines direct enterprise sales, a global certified partner network active in 128 countries, multilingual e-commerce in DE/EN/ES/FR, and event-driven engagement through trade fairs including Analytica, ACHEMA, EXPOQUIMIA, and ILMAC, supplemented by KRÜSS Campus training content, YouTube, webinars, and social media.

Revenue mechanics rely on instrument sales, consumables and accessories, and after-sales service, with regulatory-grade compliance (21 CFR Part 11, EU Annex 11, GMP/GLP, and pharmacopoeia conformity) functioning as a core purchasing criterion in pharma and chemical QA/QC environments. The company does not publicly disclose financials and shows no external funding or M&A activity in the input.

Name

A. Kruss Optronic

Legal name

A.KRÜSS Optronic GmbH

Website

https://kruess.com

Company type

Private

Founded year

1796

Operating status

Operating

Headcount range

51–100 employees

Short description

A. Krüss Optronic GmbH is a Hamburg-based, family-owned manufacturer of precision optical and analytical laboratory instruments — refractometers, polarimeters, flame photometers, microscopes, and density meters — serving pharmaceutical, chemical, food, cosmetics, and academic research customers across 128 countries.

Ownership category

akta.pro rank

Product category

Laboratory Analytical Instruments

NAICS

Analytical Laboratory Instrument Manufacturing (334516), Other Measuring and Controlling Device Manufacturing (334519), Navigational, Measuring, Electromedical, and Control Instruments Manufacturing (3345), Testing Laboratories and Services (54138)

SIC

Laboratory Analytical Instruments (3826), Services-Testing Laboratories (8734), Optical Instruments & Lenses (3827)

akta.pro primary industry

Analytical Instruments & Chromatography Systems (HLAGAIAA)

akta.pro secondary industries

Mass Spectrometry & Spectroscopy Instruments (HLAGAIAB), Metrology, Calibration & Testing Equipment (Balances, pH/DO, Standards) (HLAGAIAL), Process Analytical Instrumentation (Gas analyzers, spectroscopy, pH/ORP, conductivity) (IMAGAFAE), Calibration Services & Standards (Calibration labs, reference standards, traceability services) (IMAGAFAH)

Keywords

• Laboratory measurement instruments
• Precision analytical instruments
• Refractometers polarimeters
• Pharmaceutical quality control
• Optical measurement devices

Headquarters

HQ city

Hamburg

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Laboratory Instrumentation Sales: Sale of precision measurement and analysis equipment including refractometers, polarimeters, density meters, flame photometers, gas analyzers, microscopes, and related products. Products are sold directly through e-commerce and sales representatives with pricing based on product complexity and specifications.
2. Technical Services: Revenue from installation, calibration, adjustment, repair, and maintenance services. The company offers certified commissioning, maintenance contracts, and guarantee extensions. These services are provided both directly and through certified service partners.
3. Rental Equipment: Rental equipment program allowing customers to rent measurement devices, providing flexible access to equipment for temporary needs or evaluation purposes.
4. Accessories and Consumables: Sale of accessories, calibration standards, consumables, and UV analysis lamps as recurring revenue stream complementing main instrument sales.

Pricing tiers

Go-to-market motion4 records

Distribution channels3 records

Marketing channels6 records

Core offering

A.KRÜSS Optronic manufactures and sells high-precision laboratory and analytical measurement instruments — including refractometers, polarimeters (P9000 series), density meters, flame photometers, gas analyzers, microscopes, melting point meters, circulation thermostats, spectrometers, spectroscopes, and UV analysis lamps — for pharmaceutical, industrial, and research laboratories. The company also supplies calibration standards, consumables, and accessories, and delivers certified technical services (installation, calibration, adjustment, maintenance, repair, rental) directly and through a worldwide certified service partner network active in 128 countries.

Product overview

A. Kruss Optronic is a Hamburg-based manufacturer of high-precision laboratory and analytical measurement instruments established in 1796. The product portfolio centers on optical and analytical measurement devices including refractometers, polarimeters (including the P9000 series), flame photometers, density meters, microscopes, gas analyzers, melting point meters, and circulation thermostats. These instruments are designed for pharmaceutical, industrial, and research applications requiring high measurement precision, reproducibility, and compliance with regulatory standards including GMP/GLP, international pharmacopoeias, ISO standards, 21 CFR Part 11, and EU Annex 11. The company also offers calibration standards, consumables, and accessories to support its instrument line.

Differentiator

Problem solved

Functional benefit

Products and services

• Refractometers Digital and analog refractometers for laboratory and process applications, used to measure refractive index for quality control and substance identification in pharmaceutical, industrial, and research settings.
• Polarimeters Automatic and manual polarimeters, including the P9000 series with Peltier temperature control and TempGate assistance, for measuring the optical rotation of substances in industry, research, and science applications.
• Flame Photometers Flame photometers for simultaneous measurement of alkali and alkaline earth elements (Na, K, Ca, Li) in analytical applications, combining precision with cost-effectiveness.
• Density Meters High-precision density measurement devices for laboratory and industrial applications, used for substance characterization, concentration determination, and quality control.
• Microscopes Laboratory microscopes featuring phase contrast and various illumination options, supplied with a 5-year warranty covering housing, optics, and mechanics.
• Gas Analyzers Gas analysis instruments for measuring gas compositions including shielding gas mixtures, used for process gas quality control in industrial settings.
• Melting Point Meters Instruments for determining the melting points of substances, with calibration and adjustment capabilities for substance identification and purity verification.
• Circulation Thermostats Temperature control devices for laboratory applications requiring precise thermal regulation, used to condition samples and maintain stable temperatures for polarimetry and other measurements.
• Cold Light Sources Illumination sources used as accessories for microscopy and other laboratory applications requiring cool, stable, fiber-optic-delivered illumination.
• Spectrometers Optical instruments for spectral analysis, used to characterize substances by their interaction with light across wavelengths.
• Spectroscopes Instruments for spectroscopic analysis and examination, used for qualitative substance analysis based on optical spectra.
• UV Analysis Lamps Ultraviolet light sources for analytical examinations such as fluorescence or thin-layer chromatography detection in laboratory applications.
• Calibration Standards Certified reference materials and calibration standards for instrument verification, supporting traceable and audit-ready measurements.
• Consumables Consumable materials and supplies used with A.KRÜSS laboratory instruments, providing ongoing replacement demand for instrument owners.
• Accessories Supporting equipment and attachments that extend the capability of A.KRÜSS laboratory measurement devices.
• Certified Installation, Calibration, Maintenance & Repair Services Technical services covering certified instrument commissioning, calibration, adjustment, repair, maintenance contracts, guarantee extensions, rental of measurement devices, and data integrity/compliance consulting — provided directly by A.KRÜSS and through its global certified service partner network.
• Rental Measurement Equipment (Mietgeräte) Rental program that allows customers short- or medium-term access to A.KRÜSS measurement devices without full purchase, supporting temporary needs or evaluation prior to acquisition.

Quantifiable outcome

• Simultaneous measurement of Na, K, Ca, Li elements in single flame photometer
• +1 more outcomes

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Scale indicators2 records

Recent moves5 records

Expansion highlights4 records

Broad incumbents

• Mettler Toledo: Mettler Toledo is a global leader in precision instruments including laboratory balances, pipettes, refractometers, density meters, and pH meters. Competes with KRÜSS in refractometry and density measurement, but operates at much larger scale with a broader portfolio spanning industrial and lab weighing.
• Agilent Technologies: Agilent Technologies is a major analytical instrument manufacturer spanning spectroscopy, chromatography, and mass spectrometry. Competes with KRÜSS's spectrometer/spectroscope lines and broader analytical instrumentation footprint in pharmaceutical and industrial labs.
• Hach (Danaher): Hach, part of Danaher's water and environmental segment, manufactures analytical instruments including spectrophotometers and water quality analyzers. Adjacent competition in analytical instrumentation, particularly for industrial and environmental QC applications.
• HORIBA Scientific: HORIBA Scientific manufactures spectroscopy, fluorescence, and elemental analysis instruments. Overlaps with KRÜSS's spectroscopy offerings and flame photometry for elemental analysis (Na, K, Ca, Li), serving similar analytical lab customers.
• Thermo Fisher Scientific: Thermo Fisher Scientific is a global life sciences and laboratory instruments conglomerate offering spectrophotometers, analytical instruments, and lab consumables. Competes in adjacent analytical instrument categories and serves the same pharmaceutical and industrial QC customers.

Direct peers

• Bellingham + Stanley (Xylem): Bellingham + Stanley, part of Xylem, manufactures refractometers, polarimeters, and saccharimeters for laboratory and industrial use. Historic direct competitor in refractometry and polarimetry, particularly in food, beverage, sugar, and pharmaceutical applications.
• Anton Paar: Anton Paar is an Austrian manufacturer of high-precision laboratory and process measurement instruments, including refractometers, polarimeters, density meters, and rheometers. Directly competes with KRÜSS across nearly all core product categories and serves the same pharmaceutical and industrial QC customers.
• Atago: Atago is a Japanese manufacturer specializing in refractometers, polarimeters, and other optical measurement instruments. Direct overlap with KRÜSS in refractometry for food, beverage, and industrial QC applications, with strong presence in Asia-Pacific markets where KRÜSS is underrepresented.
• Rudolph Research Analytical: Rudolph Research Analytical specializes in automatic polarimeters, refractometers, and density meters for the pharmaceutical, food, and chemical industries. Direct competitor in polarimetry and refractometry with similar customer base in regulated pharma QC.
• Schmidt + Haensch: Schmidt + Haensch is a German manufacturer of polarimeters, refractometers, and saccharimeters with deep roots in sugar and pharmaceutical QC. Direct competitor particularly strong in European markets, with heritage comparable to KRÜSS's German precision instrument tradition.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks4 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/user/KruessOptronic
• Facebookfacebook.com/profile.php
• LinkedInlinkedin.com/company/akruess
• Instagraminstagram.com/akruess
• Xx.com/kruess

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 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 A. Kruss Optronic