“Dr. Hasan Güler supports us in optimizing our controlling processes in the CO module of SAP S/4HANA. We are extremely satisfied with his work. His deep expertise and structured way of working are decisive for the project’s success so far. We particularly value his solution-oriented approach: even when unexpected challenges or short-term changes in requirements arise, he reacts confidently and develops practical solutions that can be implemented quickly. He also collaborates excellently with our internal team and senior leadership. His ability to coordinate all stakeholders efficiently and present clear, understandable solutions is a major factor in the project’s success.”
Ina K.CFO, Friwo Gerätebau“I had the pleasure of working with Hasan from 2016 to 2023 while he acted as one of our lead Record-to-Report consultants. Hasan’s strong process orientation, hands-on mindset and expertise in controlling contributed significantly to implementing our requirements successfully in S/4HANA. He consistently delivered strong results, and I can wholeheartedly recommend him to any company looking for an experienced and results-oriented SAP consultant.”
Stephan B.Principal Program Manager, Porsche“In working with HAG, I particularly valued the holistic approach. It includes both the conceptual design and the subsequent implementation in SAP S/4. As a client, you are not left alone with glossy slides once the concept phase has been completed.”
Markus J.Head of Controlling, Simona“Dr. Hasan Güler supported our S/4HANA project excellently during the controlling concept phase. Thanks to his outstanding controlling expertise and detailed SAP knowledge, he was able to build the bridge between our existing SAP processes and the new S/4HANA world effectively and with high quality. The concepts he developed allow us to move into implementation well prepared.”
Björn W.Vice President Program LEAP, MANN+HUMMEL