Institut für Gewässerschutz Mesocosm GmbH

What Institut für Gewässerschutz Mesocosm GmbH does

Institut für Gewässerschutz Mesocosm GmbH is a privately held, GLP-certified contract research organisation headquartered at the Research Centre Neu-Ulrichstein in Homberg (Ohm), Germany. The firm specialises in higher-tier ecotoxicological studies — primarily outdoor lentic (pond) and lotic (stream) mesocosm studies, terrestrial field studies, environmental assessment under the EU Water Framework Directive, and taxonomic evaluation — for chemical, agrochemical, and pharmaceutical companies needing regulatory-grade data for EU substance authorisation under EFSA, ECHA, and OECD guidelines. It also collaborates with universities and partner laboratories on research projects, including PhD supervision and consortium-based studies (e.g., BioDive4Soil, PlanED, DECIDE/EffektMon, NanoPOP).

The company's core technical asset is its outdoor test facility: 5 lentic mesocosm systems (capacity up to 120 mesocosms) and 1 lotic mesocosm system (19 mesocosms), supported by on-site laboratories with delayed fluorescence spectroscopy, climate chambers, microbiological equipment, ~40 ha of organically managed agricultural land, and a German Weather Service weather station. The facility is GLP-certified in three categories (aquatic/terrestrial toxicity, mesocosm/natural ecosystems, and metabolism/residue analysis) and runs the head office of SETAC GLB. The team comprises ~23 listed individuals including Managing Director Prof. Dr. Klaus Peter Ebke, six study directors, senior scientists, PhD students, laboratory technicians, apprentices, and administrative staff.

Mesocosm GmbH monetises exclusively through professional-services contracts — bespoke, project-based, quote-priced studies for enterprise B2B clients, plus associated supply of taxonomically characterised test organisms. There is no public pricing, no self-serve channel, and no software product. The company is founder-managed, bootstrapped, and undisclosed on revenue; it is horizontally positioned across ecotoxicology service lines rather than vertically specialised in a single molecule class or regulatory regime.

Name

Institut für Gewässerschutz Mesocosm GmbH

Legal name

Institut für Gewässerschutz MESOCOSM GmbH

Website

https://mesocosm.de

Company type

Private

Operating status

Operating

Headcount range

1–10 employees

Short description

Institut für Gewässerschutz Mesocosm GmbH is a GLP-certified German contract research organisation providing higher-tier outdoor mesocosm, terrestrial field, and taxonomic ecotoxicology studies for chemical, agrochemical, and pharmaceutical regulatory submissions, with secondary academic research collaborations.

Ownership category

akta.pro rank

Product category

Ecotoxicology Testing Services

NAICS

Environmental Consulting Services (54162), Research and Development in Biotechnology (except Nanobiotechnology) (541714)

SIC

Services-Testing Laboratories (8734), Services-Commercial Physical & Biological Research (8731)

akta.pro primary industry

Environmental Monitoring & Cleanroom Testing (GMP) (HLAGADAL)

akta.pro secondary industries

Laboratory Testing & Analytical Services (in-house/contract labs; microbiology, metals, organics) (EUANAJAB), Laboratory Quality & GLP/GCLP Compliance (HLAGAKAK), Emerging Contaminants Testing & Risk Management (PFAS, microplastics, pharmaceuticals) (EUANAJAF)

Keywords

• Ecotoxicological testing services
• GLP contract research
• Aquatic mesocosm studies
• Environmental risk assessment
• Terrestrial ecotoxicology

Headquarters

HQ city

Homberg (Ohm)

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. GLP-compliant Ecotoxicological Studies: Contract research services for micro- and mesocosm studies, field studies, and laboratory tests conducted under GLP conditions for clients in the chemical, pharmaceutical, and agrochemical industries. Revenue is project-based, likely as one-time contracts per study.
2. Supply of Aquatic Test Organisms: Cultivation and supply of taxonomically identified aquatic test organisms (macrophytes and invertebrates) along with characterised water and sediment for clients' own (GLP) studies.
3. Taxonomic Expertise Services: Taxonomic evaluation of samples from aquatic or terrestrial studies, including GLP-compliant identification of a broad range of organism groups (aquatic macroinvertebrates, zooplankton, phytoplankton, macrophytes, arthropods, earthworms, nematodes, and vertebrates).
4. Environmental Assessment Services: Aquatic biomonitoring and assessment studies according to the EU Water Framework Directive, including analysis of phytoplankton, periphyton, macrophytes, zooplankton, macroinvertebrates, and physical/chemical water parameters.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

Institut für Gewässerschutz Mesocosm GmbH is a GLP-certified contract research organization that conducts higher-tier ecotoxicological studies under Good Laboratory Practice conditions. The company's core services include outdoor aquatic mesocosm studies (simulating lentic ponds and lotic streams), terrestrial ecotoxicology field studies, aquatic biomonitoring under the EU Water Framework Directive, and taxonomic evaluation of biological samples for regulatory risk assessment of chemicals, pesticides, and pharmaceuticals.

Product overview

Institut für Gewässerschutz Mesocosm GmbH is a GLP-certified ecotoxicology research facility providing comprehensive testing services for environmental risk assessment. The core offering consists of aquatic mesocosm studies (simulating ponds and streams), terrestrial ecotoxicology field studies (earthworm, collembola, arthropod), environmental assessment per Water Framework Directive, and taxonomic expertise. Supporting services include non-standard laboratory tests, aquatic test organism cultivation and supply, and data evaluation according to EFSA requirements. All studies are conducted at their GLP-certified outdoor test facility at the Research Centre Neu-Ulrichstein in Germany.

Differentiator

Problem solved

Functional benefit

Products and services

• Aquatic Mesocosm Studies Outdoor mesocosm studies simulating lentic (ponds) and lotic (streams) water systems to assess environmental toxicity of chemicals, pesticides, and pharmaceuticals on aquatic ecosystems. Targeted at chemical, agrochemical, and pharmaceutical companies requiring GLP-compliant higher-tier regulatory data.
• Terrestrial Ecotoxicology Services Field studies including earthworm field studies, collembola field studies, and non-target arthropod studies conducted on GLP-certified agricultural land at the Research Centre Neu-Ulrichstein to assess chemical effects on terrestrial organisms.
• Environmental Assessment Services Aquatic biomonitoring and assessment studies conducted according to the EU Water Framework Directive, analyzing phytoplankton, periphyton, macrophytes, zooplankton, macroinvertebrates, and physical-chemical water parameters.
• Taxonomic Expertise Services GLP-compliant identification and evaluation of aquatic and terrestrial organism samples, including macroinvertebrates, insects, zooplankton, phytoplankton, macrophytes, earthworms, arthropods, nematodes, and vertebrates.
• Non-Standard Laboratory Tests Acute and chronic laboratory tests with non-standard species and/or non-standard experimental design for special questions in environmental risk assessment, including tests with insects, crustaceans, rotifera, mollusca, oligochaeta, and algae.
• Aquatic Test Organism Supply Cultivation and supply of taxonomically identified aquatic test organisms (macrophytes and invertebrates), along with documented water and sediment conditions, for clients conducting their own GLP laboratory studies.

Quantifiable outcome

• 5 lentic mesocosm systems (capacity up to 120 mesocosms) and 1 lotic system (19 mesocosms)
• +2 more outcomes

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Four partnerships are on record, tiered core and minor.

• Research Centre Neu-Ulrichstein (Forschungszentrum Neu-Ulrichstein)coreStrategic or Co-development PartnerMesocosm GmbH is located within the Research Centre Neu-Ulrichstein, which serves as a platform for several contract laboratories and institutions in ecotoxicology and environmental sciences. The co-location provides shared infrastructure (weather station, agricultural land, laboratory facilities) and collaborative research opportunities. The centre's agricultural infrastructure (fields, meadows) enables terrestrial ecotoxicology field studies.
• SETAC GLB (Society of Environmental Toxicology and Chemistry – German Language Branch)coreStrategic or Co-development PartnerMesocosm GmbH runs the head office of SETAC GLB, the German Language Branch of the Society of Environmental Toxicology and Chemistry. SETAC is a leading professional organisation in the ecotoxicology and environmental chemistry field. Leadership of the organisation positions Mesocosm GmbH at the centre of the European scientific community and enables access to latest scientific developments, guidelines, and regulatory frameworks.
• BiK-F Biodiversity and Climate Research Centre (Senckenberg)minorStrategic or Co-development PartnerMesocosm GmbH is a partner of the Biodiversity and Climate Research Centre (BiK-F), a joint institution of several German universities and the Senckenberg Society of Natural History. The partnership supports collaborative research on biodiversity and climate change interactions, providing Mesocosm GmbH with access to academic research networks and additional scientific credibility.
• Various Universities and Partner LaboratoriesminorStrategic or Co-development PartnerThe company cooperates with several universities and partner laboratories on research projects. The research projects page lists collaborations with Fraunhofer IME (BioDive4Soil project), DBU-funded projects (PlanED), DECIDE/EffektMon consortium, and university partners for the NanoPOP project, among others. Student thesis projects listed span multiple German universities (Gießen, Frankfurt, Mainz, Marburg, Münster, RheinMain, Technical University of Central Hesse).

Scale indicators3 records

Recent moves12 records

Expansion highlights4 records

Direct peers

• ECT Oekotoxikologie GmbH: German ecotoxicology testing laboratory providing GLP aquatic and terrestrial ecotox studies for regulatory submissions. Directly competes for the same agrochemical and chemical clients and overlapping study types as Mesocosm GmbH.
• Rifcon GmbH: German-based CRO and regulatory consultancy specialised in ecotoxicology and product registration for agrochemicals and chemicals. Closely comparable in geography, customer base and GLP study offerings, and an obvious head-to-head competitor for EU regulatory work.
• Smithers (Smithers Viscient): Global contract research organisation offering GLP ecotoxicology, including higher-tier aquatic and terrestrial studies, for chemical and agrochemical clients. Highly comparable in service model and regulatory positioning to Mesocosm GmbH, but at significantly larger scale.
• Fraunhofer Institute for Molecular Biology and Applied Ecology (IME): Applied research institute with major ecotoxicology and environmental risk assessment capabilities, including higher-tier studies. Comparable in scientific depth and German footprint, but operates as a publicly funded institute rather than a private CRO.

Broad incumbents

• Eurofins Agroscience Services: Large global testing and CRO group serving agrochemical, chemical and pharmaceutical clients across residue, ecotox and regulatory studies. Broader and much larger than Mesocosm GmbH but competes directly for GLP ecotoxicology and field study work.
• Charles River Laboratories (WIL Research / EMD): Global CRO with significant ecotoxicology and environmental safety service lines following acquisitions such as WIL Research. Wider portfolio and global footprint than Mesocosm GmbH, with overlap on regulatory ecotox studies.
• Ramboll Environ (Ramboll Environment & Health): International environmental and health consulting firm with regulatory ecotoxicology and chemical risk assessment practices. Overlaps with Mesocosm GmbH on environmental risk assessment and regulatory advisory work, though delivered via a broader consulting model.
• SGS Agriculture, Food and Life: Global testing, inspection and certification company with agrochemical and ecotoxicology testing capabilities. Much broader scope than Mesocosm GmbH but addresses the same regulatory ecotox study demand from agrochemical clients.

Regional players

• IES (Integrated Environmental Solutions) Ltd: UK-based ecotoxicology and regulatory consultancy providing GLP aquatic and terrestrial studies for agrochemical and chemical clients. Comparable services but different geographic focus from Mesocosm GmbH's primarily German and continental European client base.

Others

• Senckenberg Research Institute and Natural History Museums: German natural research society that operates the BiK-F Biodiversity and Climate Research Centre, a listed research partner of Mesocosm GmbH. Functions as an enabler and source of academic collaboration rather than a direct competitor for contract ecotox studies.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/institut-f%C3%BCr-gew%C3%A4sserschutz-mesocosm-gmbh

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles7 records

Funding overview

Funding rounds

Investors

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M&A

Investments

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Frequently asked questions about Institut für Gewässerschutz Mesocosm GmbH