What IEM does

IEM GmbH is a privately-held, family-owned German medical-device manufacturer headquartered in Aachen that specializes in cardiovascular diagnostics, with an over 25-year track record in hypertension management and long-term ECG monitoring. Its core hardware portfolio comprises two flagship devices: the Mobil-O-Graph 24-hour ambulatory blood pressure monitor (ABPM) and the wireless HeartX Holter ECG recorder (3-channel, IP67, up to 7 days continuous recording, USB-C fast charging). Companion software includes FLOW, a workflow platform that connects both devices, automates job creation, device preparation, AI-analyzed ECG reporting, and PDF generation, and HMS CS, free hypertension management software with GDT/HL7 connectivity and pediatric BP reference values (KiGGS, Lurbe, Flynn, Wühl). IEM derives revenue through direct enterprise sales plus certified medical-technology distribution partners; the Mobil-O-Graph is sold exclusively via a tiered full-service monthly subscription (€59 base, €75 with central blood pressure, €90 with pulse wave analysis) bundling hardware, software, accessories, and metrological exchanges, while FLOW and HMS CS are positioned as freemium or free companions that anchor the device ecosystem. Customers are medical practices (cardiology and primary care), hospitals and clinics, pediatric cardiology units, and vascular medicine specialists across Europe and the Middle East, with all production ISO 13485 certified and compliant with EU MDR 2017/745.

Name

IEM

Legal name

IEM GmbH

Website

https://iem.de

Company type

Private

Founded year

2000

Operating status

Operating

Headcount range

51–100 employees

Short description

IEM GmbH is a German medical-device manufacturer in Aachen that develops and produces validated cardiovascular diagnostic devices - the Mobil-O-Graph ABPM and HeartX Holter ECG recorder - along with companion workflow and hypertension management software, serving medical practices, hospitals and pediatric cardiology across Europe and the Middle East.

Ownership category

akta.pro rank

Product category

Cardiovascular Diagnostic Medical Devices

NAICS

Electromedical and Electrotherapeutic Apparatus Manufacturing (334510), Medical Equipment and Supplies Manufacturing (3391)

SIC

Electromedical & Electrotherapeutic Apparatus (3845), Surgical & Medical Instruments & Apparatus (3841)

akta.pro primary industry

Clinical-Grade Vital Signs Monitoring (ECG, SpO2, BP, Temp, Respiration) (HLACAPAI)

akta.pro secondary industries

Connected Medical Devices & Wearables (Sensors, Patches, Implantables) (HLACAPAB), Cardiometabolic RPM & Chronic Disease Management (diabetes, hypertension, CHF, obesity) (HLALAFAA), ECG/EKG & Heart Rhythm Monitors (Consumer) (CRACAQAC)

Keywords

• Cardiovascular diagnostics
• Holter ECG monitoring
• Ambulatory blood pressure monitoring
• Hypertension management devices
• Medical device manufacturing

Headquarters

HQ city

Aachen

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Medical Device Sales (Hardware): Sale of medical diagnostic devices including HeartX Holter ECG recorder and Mobil-O-Graph ABPM monitor. Devices can be purchased with full-service monthly subscription model including software, support, and maintenance.
2. Full-Service Subscription: Monthly subscription service (59€/month base) for Mobil-O-Graph including complete premium set with evaluation software, free device exchange for metrological control, battery replacement, accessories with annual replacement, HMS CS software updates, and free delivery/return. Optional license upgrades for central blood pressure (+16€/month) and pulse wave analysis (+31€/month).
3. FLOW Software Licensing: FLOW desktop application for workflow management with job list, device preparation, data import, and automatic report generation. Offered as free download with integrated online update functionality.
4. HMS CS Software: Hypertension Management Software with free interfaces to practice and hospital information systems (GDT, HL7). Includes free software updates.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels5 records

Core offering

IEM GmbH researches, develops, and manufactures validated medical devices and companion software for cardiovascular diagnostics. Its core product portfolio includes the HeartX wireless Holter ECG recorder, the Mobil-O-Graph 24-hour ambulatory blood pressure monitor (ABPM) with optional central blood pressure and pulse wave analysis upgrades, the HMS CS hypertension management software, and the FLOW workflow platform connecting these devices for AI-analyzed diagnostic reporting. Products are sold primarily to medical practices, hospitals, and clinics via monthly full-service subscriptions and certified medical technology distribution partners.

Product overview

IEM is a German medical technology company specializing in cardiovascular diagnostics, offering a unified portfolio of hardware devices and companion software for hypertension management and long-term ECG monitoring. The core hardware products are the HeartX Holter ECG Recorder (3-channel wireless ECG with AI analysis) and the Mobil-O-Graph ABPM device (available in three tiers: Basic, Central Blood Pressure, and Pulse Wave Analysis). Companion software includes HMS CS (free hypertension management software with GDT/HL7 interfaces and pediatric blood pressure references) and FLOW (the primary workflow platform that connects both HeartX and Mobil-O-Graph devices, enabling job management, device control, AI-analyzed ECG reporting, and automated PDF report generation). IEM operates an in-house research, development, and 'Made in Germany' manufacturing model and offers its products through monthly full-service rental plans.

Differentiator

Problem solved

Functional benefit

Brands

• HeartX: Holter ECG Recorder - A compact, waterproof, wireless 3-channel ECG Holter system for long-term cardiac monitoring with AI-supported pre-analysis
• Mobil-O-Graph
• HMS CS
• FLOW

Products and services

• HeartX Holter ECG Recorder Wireless 3-channel ECG Holter recorder designed for long-term cardiac monitoring with up to 7 days of continuous recording without recharging, IP67 waterproof rating, AI-powered pre-analysis of measured values, and a USB-C docking station that delivers 24 hours of operation from a 3-minute charge. Sold to medical practices, hospitals, and cardiology clinics.
• Mobil-O-Graph ABPM 24-hour ambulatory blood pressure monitor (ABPM) with three upgradeable tiers: Basic (brachial blood pressure), Advanced/zBD (central aortic blood pressure), and Expert/PWA (pulse wave analysis with 8 additional hemodynamic parameters). Offered exclusively via monthly full-service subscription including premium cuff set, evaluation software, device exchange for metrological control, and accessories. Sold to cardiology practices, hypertension specialists, and hospitals.
• HMS CS Hypertension Management Software Free companion software for managing cardiovascular data from IEM blood pressure devices. Provides GDT and HL7 interfaces to common practice management and hospital information systems, pediatric blood pressure reference values (KiGGS, Lurbe, Flynn, Wühl), graphical reporting, and free regular software updates. Used by medical practices and hospitals.
• FLOW Workflow Software Desktop workflow software that connects IEM's ABPM and Holter ECG devices into a unified diagnostic platform. Enables job creation, device preparation, data import, automatic PDF report generation, and integrates HeartX AI Service for AI-analyzed ECG reports. Supports GDT data exchange, multilingual operation (20 languages), and online updates. Available for Windows and macOS. Distributed as a free download to doctors and healthcare teams.
• Pulse Wave Analysis (PWA) License Advanced license upgrade for the Mobil-O-Graph device that adds pulse wave analysis capabilities including central blood pressure measurement, Augmentation Index (AIx@75), pulse wave velocity (PWV), cardiac output, and peripheral resistance. Enables arterial stiffness assessment and comprehensive vascular health evaluation for hypertension specialists and vascular medicine practitioners. Priced at €31/month added to the base subscription.
• Central Blood Pressure (zBD) License Mid-tier license upgrade for the Mobil-O-Graph that adds central (aortic) blood pressure measurement (zBD Systole, zBD Diastole) in addition to standard brachial readings. Provides more accurate cardiovascular event prediction than peripheral blood pressure alone. Priced at €16/month added to the base subscription.
• HeartX AI Service AI-powered ECG pre-analysis service integrated with the HeartX Holter ECG system and FLOW software workflow. Generates detailed diagnostic reports including arrhythmia detection from 3-channel ECG data. Includes a 'Ready for Validation' option allowing physicians to review and adjust AI-generated findings before producing the final PDF report.

Quantifiable outcome

• HeartX achieves up to 7 days continuous ECG recording without recharging
• +3 more outcomes

Named customers2 records

Segments3 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration4 records

AI capability4 records

Feature5 records

Partnerships

Three partnerships are on record, tiered core.

• GETEMED Medizin- und Informationstechnik AGcoreGTM or Marketing Partner · 21 February 2026Joint exhibition partnership at DGPK Jahrestagung 2026 in Cologne. GETEMED and IEM share a joint industry exhibition booth (Stand GETEMED) where both companies showcase their respective products including HeartX Holter ECG and FLOW workflow software. The partnership enables combined presence at pediatric cardiology events.
• International Universities and Research InstitutionscoreStrategic or Co-development PartnerIEM maintains intensive collaboration with worldwide universities, research institutions, and scientific thought leaders. This collaboration forms the foundation of intensive research that drives product development and validation of medical diagnostic technologies.
• European Society of Cardiology (ESC)coreStrategic or Co-development PartnerIEM participates as exhibitor at ESC Congress, the world's leading cardiology congress. The 2026 event in Munich focuses on 'Artificial Intelligence' as a key theme, positioning IEM's AI-powered HeartX Holter ECG and FLOW software within the premier cardiology professional community.

Scale indicators3 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Schiller AG: Swiss/German manufacturer of cardiology diagnostic devices including ECG, Holter, ABPM, and cardiopulmonary diagnostics. Directly competitive with IEM's HeartX and Mobil-O-Graph product lines in European cardiology practices and hospitals.
• Norav Medical: Israel-based vendor of PC-ECG, Holter, stress test, and ambulatory blood pressure monitoring systems. Norav's NBP-24 NG is specifically listed as part of IEM's ISO 13485 certification scope, confirming direct product overlap in Holter and ABPM categories.
• Spacelabs Healthcare: US-based provider of patient monitoring, Holter ECG, ambulatory blood pressure monitoring, and cardiology diagnostic solutions. Direct overlap with IEM's ambulatory cardiovascular diagnostics portfolio and target customer base.
• Fukuda Denshi: Japanese manufacturer of ECG, Holter, ABPM, and patient monitoring devices with strong cardiology practice presence. Comparable to IEM in offering integrated hardware-plus-software cardiology diagnostic solutions.
• GETEMED Medizin- und Informationstechnik AG: German vendor of telemedicine, ECG, and cardiovascular diagnostic devices that jointly exhibits with IEM at DGPK pediatric cardiology conferences. Direct competitive and complementary presence in German cardiology and pediatric cardiology markets.

Broad incumbents

• GE HealthCare (CardioSoft / MAC): Global incumbent offering ECG, Holter, and cardiac diagnostic solutions via MUSE/CardioSoft and patient monitoring platforms. Overlaps with IEM in ambulatory ECG and cardiology workflows but addresses a much broader imaging and patient monitoring portfolio.
• Philips (Cardiac Monitoring): Philips provides Holter, ambulatory ECG, and cardiac monitoring solutions (including BioTel/Preventice) as part of its broader connected care and patient monitoring franchise. Competes with IEM in cardiology diagnostics but at substantially larger enterprise scale.
• Omron Healthcare: Global manufacturer of blood pressure monitors (including 24-hour ambulatory devices) and cardiovascular home-care products. Comparable to IEM's Mobil-O-Graph ABPM in ambulatory and home blood pressure monitoring, though Omron leans more consumer/retail.

Emerging players

• iRhythm Technologies: US-based digital health company behind the Zio long-term ECG patch and AI-driven cardiac arrhythmia diagnostics. Direct conceptual overlap with IEM's wireless, AI-analyzed HeartX Holter patch for ambulatory cardiac monitoring.
• Finapres Medical Systems: Dutch manufacturer of non-invasive hemodynamic monitoring devices, including continuous blood pressure, finger cuff technology, and cardiovascular parameters. Overlaps with IEM's pulse wave analysis / hemodynamic measurement capability.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/iemgmbh
• LinkedInde.linkedin.com/company/iemgmbh

Compliance2 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 IEM