Business Process Outsourcing – With passion and 30 years of experience. As an outsourcing partner, we specialize in payroll, finance and accounting and consulting
About us.
ICS adminservice
As an outsourcing partner, we specialize in payroll, finance and accounting and consulting as well as the associated IT systems. ICS adminservice is made up of more than 80 colleagues who look after national and international customers from Leuna. With its roots in the commercial departments of Leuna-Werke, our work dates back to 1916.
Our tradition has one thing above all: the outstanding quality of our services. We are doing a lot to maintain and further improve them. We are constantly on the move. Openness to new things, lifelong learning and the constant sharpening of our processes are a matter of course for us.
This is how we move your project forward.
Salary
Freedom for
your Team
Accurate, punctual, worry-free: Our payroll runs so smoothly in the background that teams can focus on what really matters. We take care of complex requirements, legal changes and sensitive data – transparently, securely and with a real passion for clear processes.
Accounting
financial basis for informed decisions
Numbers that are not only correct, but also give direction. With our accounting, we create structure, overview and reliability in everyday financial life. Whether it’s accounting, investments or travel expenses – we make processes leaner, data easier to understand and decisions easier.
Consulting
Mobile
Processes
If processes are to become smarter, safer and more effective, we are the partner at your side. We advise, optimize and develop solutions that really work – practical, future-oriented and with an eye for the essentials: more quality, less effort, better results.
our Customers are our
Best Argument.
Behind every project is a story of trust, partnership
and shared success – from medium-sized businesses to corporations.
Experience Meets
Digital Future.
Since 1993, we have been supporting companies from a wide range of industries with payroll, accounting and consulting – reliably, precisely and digitally. As a partner in the background, we simplify processes, create transparency and space for growth. What sets us apart: trust, personal support and partnerships at eye level.
Our services.
For your success
Remuneration
Would you like to completely outsource your payroll or would you prefer to retain control of certain areas?
Accounting
We bring transparency to your finances so that you can make decisions confidently, informedly, and effectively.
Consulting
With ICS CONSULTING, you get a partner on your team who understands complex processes, sharpens strategies, and pragmatically sets change in motion.
Management.
With many years of experience and a high standard for the quality of our service, our management team ensures the success of ICS adminservice. The definition of clear corporate goals geared to the greatest possible benefit for our customers and the long-term satisfaction of our employees determine the actions of our managers.
Sven Feldheim Since 01.11.2022 he has been a shareholder-managing director of ICS adminservice GmbH. He is married, has 2 sons and is interested in a wide range of sports.
Sven Feldheim studied economics and was responsible for regional business units in a banking group for many years, in leading and responsible positions.
As an ambitious change seeker, his focus is on commercial management, sales, customer service and employee support.

The ICS Journal
News, expertise and first-hand insights.
Here we share what moves us: industry insights, company news and trends in payroll, accounting and consulting. Short, well-founded and always relevant to your success.
