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Internal Control System (ICS) in Germany

What is an Internal Control System?

An internal control system (ICS) systematically combines various organizational measures in line with the respective corporate risk by creating suitable organizational structures to ensure compliance with existing rules and guidelines. The aim is to avert damage to the company and external third parties.

Why is an Internal Control System necessary?

Economic crises and compliance violations have increasingly focused public attention on the importance of internal control systems (ICS) as well as compliance management systems (CMS) in Germany. At the same time, voices have become louder and case law increasingly strict when it comes to holding corporate officers more accountable for misorganization, mismanagement and any misconduct on the part of employees. This trend will continue with the draft Corporate Liability Act and the obligation to implement whistleblower systems starting at the end of 2021.

At the same time, increasing internationalization, dynamic competition and major changes in corporate structures are leading to rapid shifts in processes, systems and responsibilities, with the result that risks are becoming more acute in day-to-day business.

Simultaneously, various regulatory requirements are forcing companies to continuously document, review and adapt their business process controls and internal control and monitoring systems.

Requirements for an Internal Control System in Germany

The challenge is to install an efficient and lean control system that adequately addresses all requirements and supports, not hinders, key processes. The operational business of a company must not be disrupted as a result.

Unlike in standardized accounting, there are few concrete specifications from the standard setters for the configuration of an internal control system.

Our consulting services for Internal Control Systems

To build an internal control system with a sense of proportion, experience is needed above all. Why? Because only with extensive experience can the complex interplay between corporate strategy and organization, business processes, IT systems and the internal control system be fully grasped. This exactly is our core business. We take you by the hand and guide you through the thicket of current requirements for the company, its employees and executive officers and avert liability risks before things can get really serious.


  • support companies and nonprofit organizations in risk analysis to determine the necessary measures,
  • provide comprehensive advice on liability risks and their defense/prevention in the context of the Business Judgement Rule,
  • establish customized ICS in your company,
  • produce appropriate (anonymous) whistleblowing systems according to individual standards,
  • continuously stay at your side and accompany you in your daily business decisions,
  • adapt existing structures to new and evolving situations,
  • accompany the internal audit department during regular or event-related measures,

and take care of much more for you.

Your attorney for Internal Control Systems

You would like to implement an internal control system for your company? You would like to renew your existing ICS? We are happy to support you! Your contact persons for all questions regarding ICS are

The easiest way to reach us is by e-mail ( or by phone (+49 (0)69 76 75 77 80). We look forward to hearing from you and answering your questions!


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Among 405 companies, WINHELLER has made it into the 2021 best list in the field of tax law.





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