„Very enjoyable course and a good team of lecturers. I also met some good people with whom I hope to stay in touch with.“ (Enniskillen, UK, June 2016)

„Brilliant course – second time in attendance but very worthwhile.“ (Dundee, UK, January 2014)

„This course covered more than I expected, it was worth every penny.“ (St. Ives, UK, January 2017)

„It was a great course, I am extremely glad I came as I have learnt that I can put back into my work. I expect our plants to run more efficiently and I‘m now able to fix problems before they happen.“ (St. Ives, UK, January 2017)

"Visiting the plants was a beautiful part, because everything which is in theory you go and see it in practice. For me, as a beginner, everything was included."(IBBK #HANDS ON international training, Stuttgart 2017)

„Good organization, good idea to cover all the perspectives. We will recommend this course further.“ (Stuttgart, April 2016)

„I was very impressed by the competence level of the speakers and the build up of the presentations.“ (Stuttgart, September 2015)

„Very interesting. It cleared a lot of issues which are not easily found in books. The site visit was a great chance visualize on site the things we learnt during the lectures.“ (Stuttgart, September 2015)

„All the discussions and comments from the participants made the seminar more interesting and provided more details and a practical approach. The size of the group was perfect. I learned a lot.“ (Stuttgart, April 2014)

„Very good all around – looking forward to working with you on new reports on biogas.“ (Stuttgart, April 2014)

„Good course. It fulfilled my expectations and I‘m very happy with the gained knowledge.“ (Stuttgart, April 2015)

"Besonders gefallen hat mir die Praxisnähe, die guten Referenten, die gute Betreuung, das gute Umfeld, das gute Essen – vielen Dank! (Wolpertshausen, DE, Dezember 2016)"

"I'm operating a biogas plant since 20 years, I should have done this a long time ago, we could have done things a lot better" (IBBK #HANDS ON internationl training, Stuttgart 2017)

".. great instructors, I am sure none of the course participants will ever forget.." (IBBK #HANDS ON international training, Stuttgart 2017)

"I would definitely recommend this course to my colleagues." (IBBK #HANDS ON international training, Stuttgart 2017)

"A very good course, well delivered." (IBBK #TRAINING, UK, June 2017)

„I really enjoyed the course last week, both the speakers and the attendees had very interesting points to make. „ (Biogas #TRAINING UK, Enniskillen, February 2019)

„Very well organized course with a multitude of information to digest upon in order to generate an efficient biogas project!“ (Biogas #TRAINING, Stuttgart, September 2018)

„Great week, very complete, nice people. It was really good! Thanks“ (Biogas #TRAINING, Stuttgart, September 2019)

"Thanks you for such a complete, concrete and useful course. I‘m really pleased!" (Biogas #TRAINING, Stuttgart, September 2019)

"Very interesting course." (Biogas #TRAINING, Stuttgart, September 2019)

"Thank you so much for the past week. I’ve learnt so much, and feel like I finally am starting to know about the real complexity of this biogas story, and hopefully I’m now able to think better about my future in this." (Biogas #TRAINING, Stuttgart, September 2019)

"Gute und unkomplizierte Vorbereitung des Trainings, professionelle Durchführung und hervorragende Organisation der Ortsbesichtigungen!" (Inhouse Training bei Caterpiller Energy Solutions GmbH, November 2019)

"Meine Teilnahme an der Konferenz „Fortschritt bei der Biomethan-Mobilität“ war für mich eine großartige Premiere. Viele intensive Gespräche und interessante Fachvorträge haben für eine Menge neues Wissen gesorgt." (Schwäbisch Hall, Oct. 2022)

""Ihre Trainings sind gut und liefern was ich mir so vorstelle." (Biogas #Hands On, March 2023)

"Vielen Dank für die Übermittlung der Präsentationen der Veranstaltung sowie weiterer Zusatzinformationen in digitaler Form und Besten Dank für die gut organisierte Betreiberschulung." (Kirchberg/Jagst, Juli 2023)