Customer testimonials

On numerous occasions, partners, advisors, friends and customers have told us how important it is to include customer testimonials.
Although testimonials were not a matter of course, we decided to put out a request to our customers.

"I now fully understand that investing early in a new technology is crucial to maximizing gains. Your exclusive reports and asymmetrical investment strategy guided me to exceptional returns, ranging from 200% to 600% in the space of a few months. Your expertise and vision of the future of the cryptosphere were instrumental in my success."

Stéphane Z. from St-Prex

march 2024

"Your asymmetrical approach and conviction in experimental cryptos have enabled me to achieve an exponential gain of 520% since December 2023. Your vision is revolutionary."

David M. from La Chaux-de-Fonds

march 2024

"Your reassurance in the face of general skepticism convinced me to take the risk. It paid off: a 400% return since June 2023. Thank you so much."

Thomas P. from Préverenges

march 2024

"In the face of skepticism, your clear vision and enthusiasm for useful cryptos inspired me. Thanks to you, I've made a 500% gain since September 2023."

Marc R. from Morges

march 2024

"Thanks to your asymmetrical investment strategy, I was able to invest serenely, achieving a 500% gain without jeopardizing my financial life. Your expertise is invaluable."

Julia H. from Vevey

march 2024

"You've been able to see beyond ephemeral trends, emphasizing useful cryptos. This has made all the difference, with a 300% return for me. Your approach is revolutionary."

Franz F. from Neuchâtel

march 2024

"Despite the prevailing skepticism, your assurance and in-depth knowledge of the market convinced me. Result: a current return of 600% on experimental cryptos. Many thanks."

Alexandre K. from Sion

march 2024

"Initially skeptical because of the media, your unique perspective opened my eyes. Today, I'm delighted with my choice, with a 300% return since January 2024."

Caroline N. from Lugano

March 2024

"Despite my initial doubts, your sound advice has led me to a 350% return since February 2024. I'm so glad I followed your path."

Isabelle O. from Delémont

March 2024

"Your enthusiasm for cryptos, even during difficult times, has inspired me. The results speak for themselves: a 400% return since June 2023. Thank you for your enlightened guidance."

Sophie D. from Geneva

march 2024

"Your passion and clear view of the market guided me to a 550% return since September 2023. The exclusive reports were invaluable."

Elena J. from Fribourg

February 2024

"Your unwavering enthusiasm and belief in useful cryptos inspired me. Thanks to your advice, I have achieved a 250% return since November 2023."

Nicolas L. from Yverdon

February 2024

"Since 2021, your passion for blockchain and web3 has convinced me of their importance in the new economy. Your insurance on the bull run at the end of 2023 was incredibly accurate. Thanks to your advice, I achieved a 400% return. Your vision has transformed my financial outlook."

Marie C. from Lausanne

February 2024

"Your conviction in the potential of useful cryptos, far from passing fads, has been a beacon in the storm. Result: a 450% return since July 2023. Immense gratitude."

Léa G. from Montreux

February 2024

"The media had made me dubious, but your conviction spurred me into action. The result: a 450% return since July 2023. Your guidance has been invaluable."

Julien Q. from Biel

February 2024

"As a German investor, I appreciate the quality of the investment information and performances provided by Herr Leterrier. His expertise in real economy is particularly very interesting. I am thinking about becoming a member of his Crypto Club."

Markus M, engineer, Berlin, Germany

october 2023

"I am impressed by the quality of service of SLSAM. Its attentive follow-up and investment forecasts are exceptional. Despite some losses, I am so happy to have followed his advices and to be able to earn more than 750 % on new technologies including cryptos. "

Eva F, farmer, Vienna, Austria

october 2023

"As an investor in Portugal, I have trusted Mr Leterrier for 2 years with my investment decisions. His impeccable service and accurate forecasts are impressive. I have already tripled my investment I am a member of the crypto club and suggested opening the club in Lisbon."

João S, real estate agent, Lisbon, Portugal

october 2023

"The investment trend information of Stefano has been crucial for my portfolio. His expertise in niche market is a valuable resource."

Sofia B, restaurant owner, Rome, Italy

october 2023

"I met Mr Leterrier during our respective vacation on Syros island. His investment forecasts are more than precious for investors like me. I made more than 600 % with his advice. His loyalty to its clients is commendable. "

Dimitris P, head of sales, Athens, Greece

October 5, 2023

"I have been a customer of Stephan for over one decade, and I have never been disappointed, except once. He introduced to me cryptocurrency and has already made me earn more than 400 %."

Maria S, doctor, Madrid, Spain


october 2023

"Since 2019, following a chance meeting, at the Ebene financial center, I rely on the information Stephan suggests to continue living off my pensions."

Julien R, private investor, Port-Louis, Mauritius

october 2023

"Mr Leterrier's investment anticipations have been a great help to me since 2017. His expertise in the real economy and in cryptocurrency is particularly impressive. My cumulative results from buying his recommendations are around 50% per year."

Youssef B, lawyer, Tunis, Tunisia

october 2023

"I'm an investor with a passion for luxury hotels, and the investment I made through Mr. Leterrier in 2020 in a hotel in Zurich, Switzerland, matches my expectations. I'm a fairly conservative investor, and this hotel earns me over 8% a year.

Antoine P, SME manager, Paris, France

october 2023


"The information on high-yielding stocks provided by Stephan allows me to gain knowledge and have more than 20% dividend per year. My crypto investment has already paid for itself with 120% in the last few weeks."

Alex V, restaurateur, Brussels, Belgium

october 2023

"We met, Mr Leterrier and I, at a charity gala dinner in 2015. We hit it off and since then his investment proposals have been my reference in this area. Since 2021, his crypto expertise has been invaluable. I'll always remember the purchase he had me make to earn 11 times my initial stake."

Laurent T, civil engineer, Luxembourg-City, Luxembourg

october 2023

"I am an investor based in the United Arab Emirates, and I can only commend the quality of service from Mr Stephen Leterrier. His availability and investment forecasts are extraordinary. One morning, in September 2021, I was surprised to see that my wallet had grown by 3,500 %. For this reason, I decided to join he Ultimate Club. "

Ahmed Al-Q, doctor, Dubai, United Arab Emirates

october 2023

"I have explored various investment opportunities in Asia, and the fundamental reports from Stephan have been of great help to me since 2017 with more than 35 % annual yield."

Mei L, financial analyst, Singapore

october 2023

"I met Mr Leterrier in Zanzibar, some years ago, during a seminar, on entrepreneurship in Africa. His reports help me make decisions. His sympathy, diligent tracking and precise forecasts are invaluable. "

Fatima N, technology entrepreneur, Dar es Salaam, Tanzania

october 2023

"SLSAM's investment forecasts are crucial for novice investors like me. I was able to become a member of the crypto club and am happy with the services and results I'm getting, more than doubling in three months."

Émilie B, real estate, La Chaux-de-Fonds, Switzerland

october 2023

"I have followed the investment advice of this company for many years, and it has greatly contributed to the growth of my portfolio. Its friendliness and availability are invaluable. "

Hans C, CFO, Zurich, Switzerland

october 2023

"I met Mr Stéphan Leterrier, at the inauguration of his boutique, in 2021, since then I have been deeply grateful for the valuable investment information he offers me and thank him warmly for the accumulated performance."

Jean-Désiré P, company manager, Douala, Cameroon

october 2023

"I started investing with Stéphan in 2003, when he set up his company, and I've been delighted to follow him for 20 years. Despite three dry losses... his sympathy, unrivalled follow-up and consistent performance have always impressed me."

David E, contractor, Canton of Vaud, Switzerland

October 2023

"I live in Lausanne and have been satisfied working with Stéphan Leterrier since 2014 and recommending him thanks to his excellent results. I regret not following him into cryptocurrency investing as soon as he told me about it."

Sophie D, doctor, Lausanne, Switzerland

October 2023

"SLSAM's financial information is a valuable asset for my investment decisions. It has enabled me to earn more than 35% per year since 2021. I'm delighted to be part of the Exclusive New Tech Club."

Pierre V, engineer, Geneva, Switzerland

October 2023

"Since 2008, with an average return of over 30% a year, thanks in particular to new technologies, and despite a few losses, I trust Stéphan with my investment decisions, even if I don't invest every time."

Laura M, Portfolio Manager, Neuchâtel, Switzerland

October 2023

"I'm the son of one of Mr Leterrier's customers. My father always sent me his newsletters. His information on investment trends has helped me succeed in the financial field since I left university 11 years ago. Thanks to his advice, I was able to easily earn the 30% down payment I needed to buy my apartment."

Marc P, Quality Engineer, Canton of Fribourg, Switzerland

October 2023

"I've been a Stephan customer for 5 years, and I highly recommend him to anyone looking for returns. He has enabled me to multiply my starting sum by 9."

Claire M, Financial Director, Valais, Switzerland

October 2023

"SLSAM's investment forecasts are invaluable for new investors like me. His expertise in crypto, a field I didn't understand, is highly valuable to me. He has already helped me achieve over 160% return in 2 months, since the end of August 2023."

ulien B, Customer Manager, Vaud, Switzerland

October 2023

"For over 10 years, I have relied on Mr. Leterrier's information for my investment decisions and to help my family and friends. His information and availability are incomparable. Finally, becoming a Crypto Club member is a great opportunity not to miss any opportunity."

François D, teacher, Montreux, Switzerland

October 2023

"As a new client since September 2023, and a friend of Laura M, the information I received on high-yield stocks is essential to boost my portfolio. I hope to have the same results as my friend."

Isabelle M, Consultant, Jura, Switzerland

October 2023

"After meeting Stephan on a racing bike outing in 2018, I became his client and recommend him to anyone looking for great information. With ups and downs, he has made me earn over 30% a year on average. Receiving posts from his Optimistic Club makes me smile every day."

André R, contractor, Martigny, Switzerland

october 2023

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