Ejlskov

What Ejlskov does

Ejlskov A/S is a Danish environmental services company headquartered in Aarhus, Denmark, specializing in the assessment and remediation of soil and groundwater contamination. Founded between 1999-2002 and operating as a member of the Remediation Products Inc. (RPI) Group since 2010, the company serves as the exclusive European and Chinese supplier of RPI's Trap & Treat product line. Customers include industrial companies, oil and gas operators, chemical companies, and property developers undertaking contaminated-site assessment, remediation design, and full-scale clean-up across Northern Europe and China.

The company's technology stack centers on patented in-situ bioremediation, avoiding excavation-based disposal. Core offerings include the Ejlskov BioRemediation liquid formulation (water, nutrients, activated carbon, and bacteria), Trap & Treat activated-carbon products with zero-valent iron (BOS 100, BOS 200, CAT 100) sourced from RPI, and Fluorosorb (licensed from CETCO) for PFAS remediation. Site characterization is performed using proprietary Direct Push and Membrane Interface Probe (MIP) systems, with data modeled through the registered Environmental Site Model (ESM) GIS-based 3D visualization and analysis software. Documented customer outcomes include 30-50% cost savings versus excavation, 95% reductions in contamination concentrations within 15 months on large sites, and a reported 95% re-engagement rate among first-time Trap & Treat users.

Ejlskov operates a project-based professional services model on multi-year contracts with guaranteed remediation results, delivered as turnkey engagements from characterization through implementation. The management team comprises M.Sc. geologists, a civil engineer, a CFO, and a software/data M.Sc. team leader, with an 11-50 employee range overall. No pricing tiers or revenue figures are publicly disclosed; the marketing footprint is digital-led (LinkedIn, website case studies, video/webinars, downloadable technical resources), and distribution is direct enterprise field sales to contaminated-site owners and partner consultancies.

Name

Ejlskov

Legal name

Ejlskov A/S

Website

https://ejlskov.com

Company type

Private

Founded year

2002

Operating status

Operating

Headcount range

11–50 employees

Short description

Ejlskov A/S is a Danish environmental services firm that delivers patented in-situ bioremediation, High Resolution Site Characterization, and proprietary 3D contamination modeling software to industrial, oil & gas, retail fueling, and real estate developer clients across Europe and China.

Ownership category

akta.pro rank

Product category

Environmental Remediation Services

NAICS

Remediation Services (562910), Environmental Consulting Services (54162), Remediation Services (56291)

SIC

Services-Commercial Physical & Biological Research (8731), Oil & Gas Field Exploration Services (1382)

akta.pro primary industry

Feasibility Studies & Remedial Design/Engineering (FS/RD, Treatability Testing) (EUAIALAB)

akta.pro secondary industries

PFAS & Emerging Contaminants Treatment Services (IMAIAGAJ), PFAS Investigation & Remediation (BPALAKAJ), PFAS Assessment & Due Diligence (EUAHAEAL)

Keywords

• Soil and groundwater remediation
• In-situ bioremediation
• Contaminated site cleanup
• Environmental site services
• Environmental consulting and audits

Headquarters

HQ city

Aarhus

HQ country

Denmark

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Environmental Remediation Services: Project-based remediation services delivering sustainable clean-up of contaminated sites. Services include high resolution site characterization, remedial design, and full-scale in-situ remediation implementation. Revenue generated through contracted project work with guarantees for remediation results.
2. Environmental Consulting: Consulting services including environmental assessments, risk evaluations, mapping, regulatory contact, environmental due diligence audits, and HSE auditing across Europe.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

Ejlskov provides turnkey environmental site services for soil and groundwater contamination, combining proprietary BioRemediation (a patented in-situ biological treatment using water, nutrients, activated carbon, and bacteria) with the Trap & Treat activated-carbon product line (BOS 100, BOS 200, CAT 100) and Fluorosorb organoclay for PFAS. The company delivers High Resolution Site Characterization using MIP and Direct Push technology, 3D remedial design through its ESM software, and project execution under guaranteed-results contracts for industrial, oil & gas, and real estate clients across Europe and China.

Product overview

Ejlskov is an environmental remediation company offering a portfolio of proprietary technologies and services for soil and groundwater decontamination. The core offering consists of Ejlskov BioRemediation (a patented liquid solution using bacteria, water, nutrients, and activated carbon for in-situ biodegradation) complemented by RPI Group's Trap & Treat product line (BOS 100, BOS 200, and CAT 100 - activated carbon-based technologies with zero valent iron for treating organic compounds). Supporting these are the Environmental Site Model (ESM) proprietary 3D visualization software, High Resolution Site Characterization (HRSC) services using Direct Push/MIP technology, Injection Systems for precision delivery, RPI Laboratory Support (free soil and groundwater analysis), and Fluorosorb (licensed from CETCO for PFAS remediation). Additional services include Environmental Consulting, Due Diligence Audits, and HSE Audits. The company serves clients across Europe and China as the sole supplier of Trap & Treat solutions in those regions.

Differentiator

Problem solved

Functional benefit

Products and services

• Ejlskov BioRemediation Patented liquid solution of water, nutrients, activated carbon, and bacteria that biodegrades soil and groundwater contamination in-situ without excavation, applied to industrial and oil & gas sites.
• Trap & Treat BOS 100 Activated carbon impregnated with zero valent iron for in-situ treatment of chlorinated solvents, hydrocarbons, pesticides, and dioxins, trapping contaminants and degrading them via reductive dechlorination.
• Trap & Treat BOS 200 Activated carbon-based in-situ remediation technology for organic compounds with enhanced treatment mechanisms for varied contamination scenarios.
• Trap & Treat CAT 100 Trap & Treat technology variant for in-situ treatment of organic compounds including chlorinated solvents, hydrocarbons, pesticides, and dioxins.
• Fluorosorb PFAS Remediation Surface-modified organoclay technology licensed from CETCO for in-situ injection solutions targeting perfluoroalkyl acids (PFAAs), outperforming activated carbon and anion exchange resins in adsorption per unit weight.
• Environmental Site Model (ESM) Proprietary 3D visualization and data analysis software combining GIS capabilities with contaminant distribution analysis, transforming environmental data into actionable insights for remedial design and high-density data collection projects.
• High Resolution Site Characterization (HRSC) Cost-effective site investigation methodology using MIP systems and dense data collection to accurately determine the extent of soil and groundwater contamination for enterprise remediation planning.
• Precision Injection Systems Proprietary in-situ injection equipment capable of injecting slurries with densities from 0.05 to 0.5 kg/l at flow rates from 30 to nearly 1,000 liters per minute, including four injection systems and one high-capacity mixing unit for full-scale remediation deployment.
• Direct Push Technology Services Geoprobe-based drilling and sampling services including MIP systems, HPT, dual tube tooling, soil gas probing, and SP16 groundwater sampling for site characterization and remediation support.
• RPI Laboratory Support Free soil and groundwater analyses through the partnership with RPI Inc. in Colorado, including VOC, dissolved gases, fatty acids, and anions analyses for HRSC, remediation design, and performance monitoring.
• Remediation Design 3D modeling and remedial design services using ESM software and Trap & Treat technologies to create safe, predictable remediation plans with optional results guarantees.
• Environmental Consulting Advisory services for industrial and construction clients including environmental assessments, mapping, risk evaluations, mitigation measures, regulatory liaison, and clean-up assistance across Europe.
• Environmental Due Diligence Audits Comprehensive assessments conducted when buying or selling land or properties to identify potential environmental risks and liabilities for transaction stakeholders.
• Environmental Health and Safety (HSE) Audit Professional 360-degree HSE audits across Europe including system audits, performance audits, compliance audits, due diligence, legal register audits, and follow-up services for production facilities.

Quantifiable outcome

• 30% savings compared to excavation at Shell refinery project
• +3 more outcomes

Named customers7 records

Segments5 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Three partnerships are on record, tiered core.

• Remediation Products Inc. (RPI)coreStrategic or Co-development PartnerEjlskov has been a member of the RPI Group since 2010 and is the sole supplier of Trap & Treat BOS 100, BOS 200, and CAT100 solutions in Europe and China. RPI pioneered activated carbon for in-situ applications in 2002 and provides patented technologies, laboratory support, and technical expertise.
• CETCOcoreTechnology or IntegrationEjlskov has been licensed by CETCO to provide in-situ injection solutions for clients needing help with PFAS (perfluoroalkyl acids). Fluorosorb technology is used for PFAA remediation in source areas and as permeable reactive barriers.
• RPI Inc. (Colorado, USA)coreTechnology or IntegrationLaboratory partnership providing free soil and groundwater analyses throughout project life. RPI Inc. in Golden, Colorado provides comprehensive field data collection support including broad VOCs, SVOCs, and other target compound analyses at no additional cost.

Scale indicators5 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• Clean Harbors: Clean Harbors is North America's largest environmental services company offering hazardous waste management, site remediation, and emergency response. Comparable to Ejlskov in remediation execution but at vastly larger scale and with industrial waste disposal integration that Ejlskov deliberately avoids.
• WSP Global: WSP Global is a multinational engineering consultancy with a substantial environmental and contaminated land practice across Europe and globally. Comparable to Ejlskov in environmental due diligence, site assessment, and remediation project delivery, particularly for property developers and infrastructure clients.
• Tetra Tech: Tetra Tech is a global consulting and engineering firm with deep environmental remediation expertise, particularly in US federal programs and water/environmental science. Comparable to Ejlskov in site characterization, remedial design, and PFAS work but at much larger scale and global footprint.
• COWI: COWI is a Danish-headquartered engineering consultancy with strong environmental and contaminated land practices in Northern Europe. Overlaps with Ejlskov on site assessment, remediation design, and brownfield redevelopment advisory work for public-sector and developer clients.
• Ramboll: Ramboll is a Danish-headquartered global engineering, consulting, and environmental services firm. Direct geographic overlap with Ejlskov's home market, offering environmental site assessment, contaminated land remediation, and ESG consulting as part of a broader portfolio including buildings, transport, and energy.
• Arcadis: Arcadis is a global design, engineering, and environmental consulting firm with a large European remediation practice. Overlaps with Ejlskov's environmental consulting, site assessment, and remediation design services but operates at much larger scale with broader service portfolio.

Direct peers

• Cascade Environmental: Cascade Environmental provides direct push drilling, high-resolution site characterization, and remediation services using MIP, HPT, and injection technologies. Highly comparable to Ejlskov's HRSC and Direct Push offerings, particularly in the equipment and methodology stack, though primarily US-focused.
• Remediation Products Inc. (RPI Group): RPI is Ejlskov's parent company and the originator of Trap & Treat activated carbon-based in-situ remediation technology. While not a direct competitor (RPI operates outside Europe/China), it is the closest peer in technology portfolio and serves as the global commercialization vehicle for the same product family.
• REGENESIS: REGENESIS is a US-based leader in in-situ bioremediation and enhanced anaerobic/aerobic biodegradation products. Directly comparable to Ejlskov's BioRemediation and bacterial concentrate offerings, targeting the same environmental consulting and engineering firms with proprietary biological treatment solutions.

Emerging players

• EOS Remediation: EOS Remediation manufactures and supplies bioremediation products including electron donors and bacteria for in-situ groundwater treatment. Competes with Ejlskov's BioRemediation and Trap & Treat lines in the same environmental services buyer base, though focused more on product supply than full turnkey service delivery.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks7 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/playlist?list=PLrZlGImCSBvmehWEuS3G--Odaz0L9uQT-
• LinkedInlinkedin.com/company/ejlskov-a-s

Revenue estimate

Valuation estimate

Number of profiles

Profiles6 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 Ejlskov