

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.






Very friendly interaction. Always responded to our inquiries and concerns promptly. Smooth processing.


Very friendly interaction. Always responded to our inquiries and concerns promptly. Smooth processing.






We successfully sold our condominium with Julius Bär Real Estate within 5 months. Our special thanks go to Ms. Ursula Milz for her competent support during the sale and the good care of both parties. Highly recommended!


We successfully sold our condominium with Julius Bär Real Estate within 5 months. Our special thanks go to Ms. Ursula Milz for her competent support during the sale and the good care of both parties. Highly recommended!


We were also very satisfied with the appointed broker for this sale! Thomas Bareiss is very reliable, socially competent, and of course, also highly qualified in his field! We can highly recommend Mr. Bareiss, and yes, a move requires a lot of energy. Therefore, we appreciated even more not having to deal with sales modalities ourselves! Thank you, Thomas, you did a great job!


We were also very satisfied with the appointed broker for this sale! Thomas Bareiss is very reliable, socially competent, and of course, also highly qualified in his field! We can highly recommend Mr. Bareiss, and yes, a move requires a lot of energy. Therefore, we appreciated even more not having to deal with sales modalities ourselves! Thank you, Thomas, you did a great job!


outstanding, competent, responsive, friendly. 100% recommendation - very competent and friendly interaction


outstanding, competent, responsive, friendly. 100% recommendation - very competent and friendly interaction


He is efficient and factual. Responds quickly and is always reachable. For buyers-sellers between the ages of 20 to 50, he is the right contact person. In customer contact, he is always friendly and helpful.


He is efficient and factual. Responds quickly and is always reachable. For buyers-sellers between the ages of 20 to 50, he is the right contact person. In customer contact, he is always friendly and helpful.


We lived in Cyprus at the time when we put our house in Zwingen, BL up for sale, and we consciously chose Mr. Mueller after looking around. He seemed very trustworthy, competent, and also impressed us with his documents, was centrally located in Basel, and we had several Zoom sessions until we were back living in Switzerland where we could then meet in person. Mr. Mueller was always reachable for us by phone, Zoom, and respected and implemented our wishes. His response time to our inquiries was pleasantly quick. He also organized craftsmen to connect with our house since we were not living in Switzerland. His encounters with us were filled with joy, empathy, and also competence. His calm demeanor had a very relaxing effect on us during the stressful time. I or we can recommend Mr. Mueller 100%.


We lived in Cyprus at the time when we put our house in Zwingen, BL up for sale, and we consciously chose Mr. Mueller after looking around. He seemed very trustworthy, competent, and also impressed us with his documents, was centrally located in Basel, and we had several Zoom sessions until we were back living in Switzerland where we could then meet in person. Mr. Mueller was always reachable for us by phone, Zoom, and respected and implemented our wishes. His response time to our inquiries was pleasantly quick. He also organized craftsmen to connect with our house since we were not living in Switzerland. His encounters with us were filled with joy, empathy, and also competence. His calm demeanor had a very relaxing effect on us during the stressful time. I or we can recommend Mr. Mueller 100%.


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!