Helios Solar Energie GmbH Basel

Superb service – something you don't often find these days. From consultation and execution to completion, everything was perfect. Deadlines, documentation, and terms were all delivered and adhered to as agreed. The system works flawlessly, and I'm thrilled. I'd like to thank the entire team again and wish Helios Solar Energie GmbH continued success and that they maintain this level of quality. This is a definite plus. Sincerely, Roland Aemmer, Kappel SO

I am completely satisfied with Helios Solar. From the initial consultation to the final installation, everything was handled professionally, cleanly, and reliably. The team was always available, communicated transparently, and kept to all deadlines. I was particularly impressed by the quality of the workmanship and the structured project management. You can immediately tell that true professionals are at work here. I can highly recommend them to anyone who wants a high-quality PV system without the hassle.

From the initial consultation to the installation, everything went absolutely professionally and smoothly. The team was competent, transparent, and always available. The installation was quick, clean, and reliable. You can immediately tell that true professionals are at work here. Special praise goes to the electrician, Mr. Miletic—very friendly, competent, and you can tell right away that he knows exactly what he's talking about. Our solar system is working perfectly, and we are completely satisfied. A clear recommendation—we would use them again in a heartbeat!

Helios Solar Energie GmbH impressed us from the very first conversation. The system was carefully planned and discussed with us. The work was carried out to our complete satisfaction. The project managers kept us informed of the progress at all times. The workers (all handled by one company) did a very clean and excellent job – well done! We were kept well-informed and involved throughout the process. We wholeheartedly recommend Helios Solar.

I am extremely satisfied with the company's work. From the initial consultation to the final commissioning of my solar system, everything was handled professionally, transparently, and reliably. I was particularly impressed by the comprehensive and easy-to-understand consultation—all my questions were answered patiently, and I always felt I was in good hands. The installation was clean, on schedule, and without any surprises. The on-site team was friendly, well-organized, and clearly prioritized quality. Even after commissioning, customer service remains available and helpful, which I greatly appreciate. Overall, I can wholeheartedly recommend this company—the quality, service, and value for money are all excellent. Many thanks to Mr. Ilic and his team.