Testimonials

Empower your team with practical, results-driven learning they can apply immediately.

Super!

Sensational training, great trainer, I learned a lot from the training

Simply great

I really enjoyed the course, Sven is a very creative and fun person.

Top! Always happy.

Top-notch training with top-notch trainers. I'd gladly come again.

Sensational training, great trainer, I learned a lot from the training

Wilmering keil

Simply great

Jonathan Gutierrez

I really enjoyed the course, Sven is a very creative and fun person.

Andre R.

Top! Always happy.

Marc B.

Top-notch training with top-notch trainers. I'd gladly come again.

Stefanie Niepel

Top training with a friendly coach!

Stefan Klebor

Very professional and take into account the individual requirements of their customers.

Florian Mielke

Great seminars - always happy to come back!

Marcel Wenning

Keep it up! First-class seminar, highly recommended.

Fabian Mai

Thank you for the very informative training with a lot of fun and input

Tim Röhm

Very competent trainer, good learning content, pleasant atmosphere and lots of fun!

Magnus Maria Burchert

Simply in a class of its own!Thank you for the seminar, it was more than expected, hence all the stars!!!Magnus Maria BurchertBavaria

Sebastian Steinbach

Thanks again for the great training. It was a great added value, and it was really fun working with my colleagues.

Bernhard Poel

Hi Swen! Great appointment, I would do it again anytime

Benjamin K.-H. Hinz

Numerous learning points for better negotiation management, a relaxed atmosphere, and a strong coach. Thank you for an incredibly valuable seminar, dear Sven-Jörg!

Tina Beyer

I've already completed several training courses there and can recommend it to anyone who wants to take their negotiation and communication skills to the next level. There's definitely a wealth of expertise and years of...

Anton Brunschmid

This is exactly what sales training should be like. Lively, dynamic, and creative. 5 stars from me.Thanks, Sven-Jörg

Bstn Klppng

Great trainer and fantastic seminar! Very well organized and prepared. The company reflects the values they want to convey – simply fantastic!

Henning Hildebrandt

Those were two days of practical input. All in a relaxed atmosphere.Time very well spent👌🏻

Alex Czycholl

I attended the “clever negotiation” seminar. It lasted 2 days and I was surprised at what I learned in such a short time. I can only recommend it to everyone. It's worth it.

Daniel F

Lina Classon

A lot has changed... Digital conferences and meetings are becoming increasingly common. I participated in the Visual Media & Camera Presence modules. It was extremely helpful! The trainer was very professional and taught a lot...

U. Kayneahnunk

Top host, lots of great information. Recommended to everyone!

Andreas Kaiser

..and you think you can do anything in sales? Okay, brave. This misconception, among others, is why we're bringing the Corporate team on board. Success is measurable, and we do it. Thanks for the valuable...

Timo Beuth

Upon entering the seminar room, I immediately had an aha moment... is this a loft, an apartment? I thought we'd been sitting in a boring seminar room for two days. The atmosphere was absolutely fantastic......

Paul Bastian

I can wholeheartedly recommend the two-day negotiation seminar with Sven-Jörg to everyone.Many exciting learning points with new perspectives and approaches for everyday negotiation situations, taught by a highly competent and motivated trainer and complemented by...

Sebastian Schlossarek

I had the opportunity to take part in a sales training course with Mr. Buthmann and was enthusiastic about how the seminar was run. At no point was it boring. The content was relevant and...

Manuel Pohl

I highly recommend the seminars at Corptrain. Great trainers, a fantastic atmosphere, and training methods and content that add real value. Keep up the good work! I'd be happy to come back anytime.

Mirco Giese

Thank you for the great training, very friendly, competent and at eye level.

Marcel Fröhlich

The negotiation seminar provided me with some new insights that I wouldn't have been able to acquire so quickly in my day-to-day business. The process, structure, and presentation kept me fully engaged throughout, and I...

Christoph Janke

I can highly recommend the 2-day negotiation training to anyone who wants to improve their negotiation skills in a professional context. It was super interesting and insightful - the practical exercises in particular were very...

Elisa Rowan

A great seminar with many learnings.Many thanks to Sven-Jörg.

Uliana

I took part in the negotiation seminar live in Bremen and can highly recommend it. Many practical examples with valuable tips and tricks. I'm looking forward to further seminars with the corporate team!

mallorcasteve

Top-notch training, entertaining, and practical. I'm already looking forward to the next negotiation!

Laura Steinbach

A superb atmosphere and flair on-site in Bremen. A very experienced and competent coach who shared tips and tricks with us with fun and energy, using great technique, and in a fantastic setting. I learned...

Riccardo

The negotiation training with Sven-Jörg was an absolute enrichment! The location is excellent, the catering was first-class and left nothing to be desired. The training content was clearly structured, yet flexible enough to address current...

Felix Kratsch

The negotiation training was very insightful and practice-oriented. I particularly liked the way the theory was combined with concrete examples and practical exercises. The trainers were knowledgeable and able to convey the content clearly and...

Jörg Neuse

The content, delivery, Sven-Jörg as coach, the facilities, the technology used, the organization, and the overall atmosphere of the two-day negotiation training were top-notch. This is what training should be: to the point, unpretentious, professional...

Stefan Rodrigo

I participated in a negotiation training course offered by www.corptrain.de in Bremen. The seminar offered a balanced mix of theoretical foundations and practical exercises that enabled me to expand my knowledge of negotiation skills. Particularly...

Patrick Tischer

Sven Jörg Buttmann is an outstanding coach. His knowledge transfer was outstanding and supported by many practical examples. I gained a great deal from the two-day seminar and can highly recommend it.

Michael Nöß

Sven Jörg Buthmann is a great guy.The two-day training was a lot of fun. We were well looked after.We learned a lot of new and old things from the training, and it was very interesting....

B H

Two days of negotiation training with Sven-Jörg...highly recommended! Super interesting, extremely entertaining, and thanks to his relaxed approach, the seminar was never boring. I learned a lot that will be very helpful and will be...

Florian lolo

Canada

Good Support Service

We attended a negotiation seminar with strategic purchasing in May 2025. It was truly excellent. The rooms, technical equipment, and catering were excellent. The seminar itself wasn't just a standard, colorful piece of paper stuck...

Olaf DeutscheSee

Los Angeles

Professional Team

Sven-Jörg is an outstanding coach. I really like his way of imparting knowledge. Content was easy to understand, apply and implement. The technology in-house, as well as the practical examples, impressed me. I'd love to...

Andreas Hahn

Canada

Game-Changing Training

After 40 (forty) years in sales, in all positions, top and bottom, to be able to experience and enjoy a training session again, and with Sven-Jörg; it was entertaining, interesting, never boring, humorous, serious, and...

Deny Hendrawan

Indonesia

Incredible Experience

Sven Jörg Buthmann is a great guy.The two-day training was a lot of fun. We were well looked after.We learned a lot of new and old things from the training, and it was very interesting....

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Testimonials

P P

Alexander Moritz

Wilmering keil

Jonathan Gutierrez

Andre R.

Marc B.

P P

P P

Alexander Moritz

Alexander Moritz

Wilmering keil

Wilmering keil

Jonathan Gutierrez

Jonathan Gutierrez

Andre R.

Andre R.

Marc B.

Marc B.

Stefanie Niepel

Stefanie Niepel

Stefan Klebor

Stefan Klebor

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