
Ms. De Luca provided us with valuable services during our house sale. Her experience and positive attitude were very helpful to us. She is a very pleasant business partner, and we can recommend her without hesitation.
Ms. De Luca provided us with valuable services during our house sale. Her experience and positive attitude were very helpful to us. She is a very pleasant business partner, and we can recommend her without hesitation.


I purchased a property through GCT, Thomas Becker, and subsequently rented it out through them. Thomas Becker and the GCT team have completely convinced me. From the purchase to the renovation and rental, I was able to rely on his extensive experience at any time and always received very valuable and honest assessments. The communication was consistently efficient, straightforward, and at the same time very professional - you can tell that someone is thinking along. I would particularly like to highlight how Thomas Becker and the team work: always fair, solution-oriented, and with a clear focus on a win-win for all parties. This is definitely not a given in the real estate sector! I will be very happy to work with Thomas Becker and the GCT team again on future projects.
I purchased a property through GCT, Thomas Becker, and subsequently rented it out through them. Thomas Becker and the GCT team have completely convinced me. From the purchase to the renovation and rental, I was able to rely on his extensive experience at any time and always received very valuable and honest assessments. The communication was consistently efficient, straightforward, and at the same time very professional - you can tell that someone is thinking along. I would particularly like to highlight how Thomas Becker and the team work: always fair, solution-oriented, and with a clear focus on a win-win for all parties. This is definitely not a given in the real estate sector! I will be very happy to work with Thomas Becker and the GCT team again on future projects.


I can wholeheartedly recommend Ms. Nelly Olah. From the first conversation to the successful sale of my condominium, I felt excellently supported at all times. Ms. Olah worked extremely professionally, committed, reliably, and transparently. She was always reachable, answered all my questions competently, and regularly informed me about the current status. I particularly appreciated her honest advice, her pleasant and friendly manner, as well as her great commitment during the sales negotiations. Thanks to her experience and dedication, my apartment was successfully sold at a very good price. I sincerely thank her for the excellent collaboration and wish Ms. Olah continued success. I will recommend her at any time with full conviction.
I can wholeheartedly recommend Ms. Nelly Olah. From the first conversation to the successful sale of my condominium, I felt excellently supported at all times. Ms. Olah worked extremely professionally, committed, reliably, and transparently. She was always reachable, answered all my questions competently, and regularly informed me about the current status. I particularly appreciated her honest advice, her pleasant and friendly manner, as well as her great commitment during the sales negotiations. Thanks to her experience and dedication, my apartment was successfully sold at a very good price. I sincerely thank her for the excellent collaboration and wish Ms. Olah continued success. I will recommend her at any time with full conviction.

We commissioned the company Onesta Simon Leu in 2023 to sell our modern 5.5-room apartment and were very satisfied from the very beginning. Already during the first conversation, the company made an extremely serious, competent, and trustworthy impression. Throughout the entire sales process, we were always well taken care of and regularly informed about the current status. The communication was always open, transparent, and straightforward, so we were always well-informed. The sale of our property ultimately proceeded to our complete satisfaction. We sincerely thank you for the professional support, great commitment, and pleasant collaboration. We can wholeheartedly recommend this real estate company and would work with them again at any time!
We commissioned the company Onesta Simon Leu in 2023 to sell our modern 5.5-room apartment and were very satisfied from the very beginning. Already during the first conversation, the company made an extremely serious, competent, and trustworthy impression. Throughout the entire sales process, we were always well taken care of and regularly informed about the current status. The communication was always open, transparent, and straightforward, so we were always well-informed. The sale of our property ultimately proceeded to our complete satisfaction. We sincerely thank you for the professional support, great commitment, and pleasant collaboration. We can wholeheartedly recommend this real estate company and would work with them again at any time!


I was very satisfied with Mr. Gavilan throughout the entire time. His service was always courteous, professional, and reliable. I especially appreciated his commitment and support in my particular situation. Thank you very much for the great collaboration!
I was very satisfied with Mr. Gavilan throughout the entire time. His service was always courteous, professional, and reliable. I especially appreciated his commitment and support in my particular situation. Thank you very much for the great collaboration!

I felt excellently supported by Mr. Müller during the purchase of my apartment. He was always friendly, helpful, and committed, answered my questions clearly, and reliably provided me with the necessary documents. I particularly appreciated the open communication and the pleasant personal interaction. Even with follow-up questions and negotiations, I found him to be a fair and solution-oriented contact person. Thank you very much for the great collaboration, Mr. Müller!
I felt excellently supported by Mr. Müller during the purchase of my apartment. He was always friendly, helpful, and committed, answered my questions clearly, and reliably provided me with the necessary documents. I particularly appreciated the open communication and the pleasant personal interaction. Even with follow-up questions and negotiations, I found him to be a fair and solution-oriented contact person. Thank you very much for the great collaboration, Mr. Müller!
