Reviews
Google reviews from home improvement sales professionals and owners who have trained with Grosso University, shown in full and unedited.
July 10, 2025
Review by Trenton Bc
Dominic and Dan are the greatest sales trainers in the industry! I Learned so much throughout the program.
July 7, 2025
Review by Colton Nelson
Grosso university overcame by expectations and delivered great results, my skills have became impeccable
June 25, 2025
Review by Steven Diamond
Dominick and Dan are two of the most high energy sales trainers I have ever met! They will get your team in shape to conquer the world. Highly recommend!
June 19, 2025
Review by Robert Wyganowski
The Grosso 11 step training done by Dan was outstanding! It was by far one of the best training classes I have ever done. I would highly recommend any sales…
May 23, 2025
Review by GA Castro Sales Team
So Helpful, love it!
May 23, 2025
Review by Deivis Castro
Wendy is a great instructor, I thought I knew it all but she opened my eyes to a lot of techniques and many details to make the sales process great for both…
May 23, 2025
Review by Jonathan Aquino
The coolest stuff was learned here today. A journey like no other a change for all eternity
May 22, 2025
Review by Rob Ragz
Grosso University is some of the best training I’ve done.
May 22, 2025
Review by Ben Wallace
A lot of great information I highly recommend going through this course!
May 22, 2025
Review by R L
Great review of the process, plus some new info that was very valuable. Highly recommend the course , Dan has great real life scenarios.
May 22, 2025
Review by Brent Stringfellow
Awesome program! Very informative Dan is absolutely brilliant and makes this training fun and interactive I would give 6 stars if possible.
May 22, 2025
Review by Adam Weisbrod
Excellent sales training! Dan is the best!
May 22, 2025
Review by mike bermo
Dan and Dominick were great. The content was amazing. A must for anyone in the home improvement industry.
May 22, 2025
Review by Michael Duche
Very knowledgeable and kept it interesting. As a salesperson I am always learning and enjoyed this technique on selling.
May 22, 2025
Review by Ahmed B
Best training program I’ve ever went through
May 2, 2025
Review by Royalty Windows
Grosso University is easily one of the best sales training programs I’ve come across. I’ve gone through a handful of different systems over the years, but what…
May 1, 2025
Review by Ursula Mc lean-Rojas
--- Review: Sales Representative Training Class with Grosso University - Intructor Wendy Harmeyer I recently completed a sales representative training class,…
May 1, 2025
Review by Osman Melendez
(Translated by Google) "Excellent trainer! He helped me develop the skills necessary to succeed as a sales representative. His focus on conversational practice…
May 1, 2025
Review by Odalis Lopez
Taking Wendy Harmeyer's class through Grosso University has been an eye-opening experience. Her ability to break down the psychology behind sales has…
April 30, 2025
Review by Chuck Bonner
Best sales training in the industry! I've worked with other sales coaches in the past and there is nothing that comes close to Grosso University. The insight…
April 25, 2025
Review by David Sisson
Dominic always brings massive value when he trains! He is a consummate sales professional.
April 24, 2025
Review by Randy B
The training was exceptional. I got a lot out of it and will use it to make me a lot better
April 24, 2025
Review by Jennifer Brewer
Dan is the best . His experience is far above any type of training I've had in the past . Traing plus the videos is life changing for me in my career.
April 24, 2025
Review by Andre Claux
Really grateful of this training. 100% recommend this program. Dan was awesome the whole training!
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