About Us

iocto. Made to Measure.

Many applications using measurement technology and automation used in the pharmaceutical sector, food sector and other industries, across Germany and worldwide, originate from us. Some product lines are already in the 6th generation and they are still in operation today. We are proud of that.

This is how we have grown into a brand known for durable and future-oriented product solutions since 1984. We will continue to getting better for you as the market leader in our field. That’s what iocto stands for.

iocto – Made to Measure

What drives us as a brand

in love
We love what we do

We approach challenges with passion and love what we do.

one source
One source

We think about solutions holistically and offer them from a single source and from a single mould.

Precision = Safety

For us precision is the basis for safety.


We work together as people with high esteem and respect for each other.

Our Management

Paul Nottarp

Paul Nottarp

Paul Nottarp has been the Commercial Director of iocto GmbH since September 2018 and is responsible for the Organisation, Sales, Human Resources, Finance and Legal departments. Prior to this appointment, Paul was the Managing Director and was responsible for Human Resources, Finance and Legal affairs at iocto. He began his professional career as a lawyer in Frankfurt am Main. Paul Nottarp studied law at the University of Bayreuth and at the WWU Münster and is a fully qualified lawyer. He also holds a Master of Law from the University of the West of England, Bristol, UK, and has an Executive Master of Business Administration from Johannes Gutenberg University, Mainz, Germany.


Stefan Schmitt

Stefan Schmitt

Stefan Schmitt has been Technical Managing Director of iocto GmbH since March 2013 and is responsible for the Technology, IT, Production and Service departments. He has more than 25 years of professional experience in the field of measurement technology and in software development. Prior to his appointment as Managing Director, Stefan Schmitt worked for the company for eight years as Head of the Development Department. He began his career in 1998 as a development engineer at iocto. Stefan Schmitt studied electrical engineering and information technology at the Technical University of Darmstadt and graduated with a degree in engineering. Already during his studies he worked as a student trainee at iocto and successfully completed his professional internship at the company in 1996. Stefan Schmitt started his career as a software programmer at the age of ten on a Sinclair ZX81.


Will Clark

Will Clark

Will Clark has been Managing Director of iocto GmbH since January 2021 and is responsible for the Research and Product Innovation departments. He has more than 20 years’ professional experience in product development in the life sciences sector. Prior to his appointment as managing director, Will spent eight years as head of development at iocto. He started working for the company in 2008 as a software developer. Previously, the native Englishman worked as a project engineer for a large American life sciences company. Will Clark holds a Master of Engineering from Durham University, Durham, UK. During his studies he specialized in electronics and software development. At the age of six, Will was already programming his first software on a home computer from the British company Acorn.

iocto in numbers

We simply love to measure – and this passion does not stop at our own company. That’s why here are some short and sweet facts and figures about iocto. What makes us special and why you can always count on us as specialists: Find out here.

140 employees

One team, many disciplines. What unites all of us here at iocto: our passion for precision.

0 Ties

Admittedly, we do wear one on special occasions. But personality, knowledge and commitment are always clearly in the foreground at iocto.

21 different nationalities

Our team is diverse, colorful, multilingual and inspired by many influences. That enriches us.

€ 23.5 million sales in 2022

Transparency is important to us. And that also applies to important figures from our company.

1984 The year of the foundation

When we started, floppy disks were still the storage medium of the hour. Today, we are digital specialists.

Tax Haven
0 branches in the Cayman Islands

We are a family business from the Taunus and feel connected to the region and the people who live and work here.

100% green electricity

… and we produce part of it ourselves here in Hofheim via photovoltaics.

10 charging stations

We promote e-mobility. If you like to come to us with the E-car: We keep a pillar free.

2,178 organic apples

… and 5,440 bananas were eaten in our company last year. Healthy food, which we are happy to provide to employees and guests.

Company history

Our company over the years.

For almost forty years, everything at our company has revolved around industrial measurement technology and automation. Here we have prepared some of the most important milestones in our history for you.

Entwicklung eines Messgeräts für die Pharma- und Lebensmittelindustrie
The beginnings

Development of a measuring device for the pharmaceutical and food industry – device structure in the Eurocard system

Der Start
The start

Founding of the Gesellschaft für Sonder-EDV-Anlagen mbH

Einsatz von Elektronik in SMD Technologie in unseren Produkten

Use of electronics in SMD technology in our products.

Neuer Standort Krebsmühle
New location

Opening of the “Krebsmühle” site

Erstes Automatisierungsprojekt für die Pharma- und Lebensmittelindustrie

First automation project for the pharmaceutical and food industry

Erstmaliger Einsatz von Touchscreens in unseren Produkten
Using a touchscreen for the first time

First use of touch screens in our products

Einsatz von CompactFlash-Speicherkarten, Ethernet-Schnittstellen, USB-Ports und FDA-konformen Audit Trails (21 CFR Part 11) in unseren Produkten
New technology

Use of CompactFlash memory cards, Ethernet interfaces, USB ports and FDA-compliant audit trails (21 CFR Part 11) in our products

Einsatz von zentralen Servern zur automatischen Archivierung von Daten verschiedener dezentraler Messstationen und Visualisierung über ein Web-Interface
Use of web technology

Use of central servers for automatic archiving of data from various decentralized measuring stations and visualization via a web interface

GfS wird Mitglied der OPC UA Early Adaptor Group und hilft den neuen Standard zu testen (Industrie 4.0)
Industry 4.0

GfS becomes a member of the OPC UA Early Adapter Group and helps to test the new standard (Industry 4.0)

Einsatz von OPC UA Server und integrierter Profibus / DeviceNet Schnittstelle / WiFi in unseren Produkten
OPC UA Server

Use of OPC UA server and integrated Profibus / DeviceNet interface / WiFi in our products

Erstzertifizierung des Managementsystems nach DIN EN ISO 9001

Initial certification of the management system according to DIN EN ISO 9001

Einführung eines vollintegrierten ERP/DMS-Systems mit Produktionssteuerung und Bauteilrückverfolgbarkeit
New software

Introduction of a fully integrated ERP/DMS system with production control and component traceability

Eröffnung Standort
New location

Opening of the “Kritel 1” site

Aufnahme in den Verband Deutscher Maschinen und Anlagenbau e.V. (VDMA)
Admission to the VDMA

Admission to the Association of German Machinery and Plant Construction (VDMA)

We train

GfS becomes a training company

Erstakkreditierung der DAkkS nach DIN EN ISO/IEC 17025:2018 für die Messgröße Temperatur

Initial accreditation by DAkkS according to DIN EN ISO/IEC 17025:2018 for the measurand temperature

Inbetriebnahme der ersten 4 Elektroauto Ladestationen am Standort

Commissioning of the first 4 electric car charging stations at the “Krebsmühle” site

Inbetriebnahme Photovoltaikanlage (9,9 kWp) am Standort

Commissioning of photovoltaic system (9.9 kWp) at “Krebsmühle” site

Erweiterung DAkkS-Akkreditierung nach DIN EN ISO/IEC 17025:2018 für die Messgröße Druck
Extension DAkkS

Extension of DAkkS accreditation according to DIN EN ISO/IEC 17025:2018 for the measurand pressure

Eröffnung Standort
New location

Opening of the “Kriftel 2” site

Inbetriebnahme von 4 weiteren Elektroauto Ladestationen am Standort

Commissioning of 4 additional electric car charging stations at the “Krebsmühle” site

Anmietung zusätzliche Büroflächen

Leasing of additional office space “Kriftel 1

Umfirmierung in iocto GmbH

Change of name to iocto GmbH