About Us

GUS ERP GmbH, GUS Nordic ApS and GUS Schweiz AG provide GUS-OS Suite, a web-based ERP enterprise solution that includes all industry functionalities and meets regulatory requirements.

The GUS companies are members of the GUS Group, which develops and implements holistically integrated software solutions for the process industry (pharmaceuticals, medical technology, chemicals, cosmetics, food, food retail) and logistics.

The Group's product portfolio covers the entire business cycle - from enterprise resource planning (ERP), supply chain management (SCM), producer invoicing systems (EVS), sales management, customer relationship management (CRM), laboratory information management systems (LIMS), quality management, finance/controlling and business intelligence to document management including archiving.

More than 660 employees of the GUS Group serve more than 2,000 mostly medium-sized companies as well as corporate groups and public authorities.


Ekkehard Ziesche, COO of the GUS Group

Ekkehard Ziesche

Customer Strategist, CEO of GUS ERP GmbH

Expertise: Sales, Customer Success
Career: COO of the GUS Group since 2018, previously Managing Director in various GUS subsidiaries since 2001.

Life motto: To handle yourself, use your head. To handle others, use your heart.

Ralph Hartwig

Business Enabler, CFO of GUS ERP GmbH

Expertise: Finance & Controlling, M&A, Support Processes, Digitalization, Corporate Strategy, Change Management
Career: CFO of the GUS Group since 2020, previously CFO at IT companies, including around 11 years at Materna SE and subsequently Qvest Media GmbH.
Life motto: Your only limit is your mind.
Ralph Hartwig, CFO of the GUS Group
Joerg Magerl GUS Schweiz AG - GUS-OS Suite - GUS ERP

Jörg Magerl

Macher, CEO of GUS Schweiz AG

Expertise: Business Development, Change Management, Digitalization, Biocybernetics
Career: CEO of GUS Schweiz AG since 2018 and 2012 - 2018 Sales Manager and ERP Consultant of GUS Schweiz AG and GUS Group, previously a good 20 years in various management positions in different industries.

Life motto: Almost everything has a positive side, the art is often to see and use this.

Our industry solutions:

Partner network: Strong partners and diverse synergies

With GUS Group at your side, you benefit from a strong network of different partner companies, especially from the consulting and technology sector. Together, we ensure that you receive the optimal solution offer for your company, if required. Contact us!

Get into conversation

Is your interest aroused? Do you still have questions? Do you need more information? Are you looking for a conversation? We are looking forward to the dialog with you!

The GUS Group on LinkedIn

Never miss a message again!