We at ICS adminservice

Business Process Outsourcing – with passion and 25 years of experience

As outsourcing partner, we are specialised in payrolls, travel expense reports and finance and accounting, as well as in the associated IT systems. ICS adminservice, that is a team of 85 employees working at either of our two locations, Leuna and Berlin, and liaising with national and international clients. With roots in the commercial department of the Leuna-Werke, our impact dates back to 1916.
The exceptional quality of our services is tradition for us and we go to great lengths to preserve and improve it; we are always in motion. Openness towards new things, lifelong learning and the constant sharpening of our processes are natural for us.

Focus on Quality

Our goal is to become the preferred supplier of outsourcing solutions for premium quality demands.

Growth through quality

We reach premium quality through our many years of experience in dealing with clients and partners, and through our extensive field and market know-how.
We continuously develop our certified quality management system and adjust it to the current and future demands of our clients.

Responsibility for the environment

Treating people and the environment responsibly is very close to our hearts.


We create and secure jobs and constantly foster the health, competence and motivation of our team. When collaborating with colleagues, clients and partners, we attach great importance to respect, an open and honest dialogue as well as team and result orientation. The protection of the environment is an equally fundamental aspect of our work; we want to deliver our services in a resource-friendly way.

Company structure

ICS adminservice is part of the international itelligence group

Picture: Logo ICS adminservice GmbH

ICS adminservice GmbH

100 % subsidiary company of GISA GmbH, specialist for Business Process Outsourcing in human resources as well as finance and accounting

Picture: Logo Gisa GmbH


Full IT service provider and specialist for the energy sector and public contracting authority with SAP®, certified SAP and Microsoft partner. more on GISA

Picture: Logo itelligence AG

itelligence AG

Majority shareholder of GISA GmbH, international IT service provider for SAP® outsourcing and member of the NTT Data Group. more on itelligence



Picture: logo product ICS PAYROLL

Payroll for the private sector and public service

Picture: logo product ICS TRAVEL EXPENSE REPORT

Travel expense reports for the private sector and public service

Picture: logo product ICS FINANCE & ACCOUNTING

Financial accounting, treasury and controlling for the private sector and public service

Picture: logo product ICS CONSULTING

Consultation HR+ F&A on HR and IT, finance, accounting and business administration.


Working at ICS adminservice

We bring people, processes and technologies together. We offer exciting and diversified challenges in the areas of finance and accounting, human resources management and IT at both of our locations in Leuna and Berlin. Flat hierarchies, benefits for our employees to enjoy and a company history characterised by successes are just a few reasons to convince you. At ICS adminservice, we offer you prospects on every level — from the trainee to the young professional fresh from university right up to the professionally experienced.

Job vacancies


With years of experience and high quality standards for our service, our management team secures the success of ICS adminservice. Clear corporate goals orientated towards the greatest possible use for our clients and the long-term satisfaction of our employees drive our management team.

Michael Wohlfahrt

Managing Director

Michael Wohlfahrt

is managing director of ICS adminservice since November 2015. Before joining us, he worked as managing director and partner for a variety of companies, last as Director Academy in the internationally acting Axivas Group.
The main focus of his responsibilities lies with corporate management and development, sales and marketing, as well as human resources.

Kathrin Lewin

Authorised Officer

Division Manager
for Service Management
and Human Resources

Kathrin Lewin

is authorised officer at ICS adminservice since August 2010. As division manager of service management, she takes responsibility for the central tasks of administration, data distribution, coordination with the data centres and application support of the utilised software solutions as well as their development. In August 2016, she additionally took on the responsibility for the human resources division.

More than 100 years of history

From 1916, when the Leuna-Werke and our roots there were established, to 1993, when we became a specialist for payroll accounting and financial accounting, to today— in between lie decades filled with numerous technological milestones and decisions that pointed the way. Discover the history of ICS adminservice GmbH.

Our customers

ICS adminservice serves notable companies from a vast range of different industries. For each of our clients we have tied up a custom-made service package.

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Our partners

We have powerful partners at our side. partners with which we have been working for many years and that share our high standards of precision, quality and future viability for our clients.

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