Carlos Diaz was awesome to work with. He broke down the GC course through 1 Exam Prep in a way that actually made sense and never rushed through anything. Super patient, answered all my questions, and... See more
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Review summary
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I purchased my books and was told someone would be reaching out to me, that someone was Carlos Diaz. He took the time to explain everything clearly and walk me through how the entire process works. He... See more
Company replied
Carlos was excellent. He was very thorough during the intro call and made the entire process smooth and easy. By following his instructions, I was able to pass the first part—the Business and Finance... See more
Company replied
Carlos Diaz was very informative and knowledgeable about the course and how to navigate all the books needed to pass the exams. Answered all my questions and gave me his personal number to reach out w... See more
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Company details
Written by the company
Contractor exam prep license school providing certificate based training for state licensing exams across construction and skilled trades. We deliver focused study programs designed to support licensing approval, exam readiness, and professional certification.
Contact info
U.S. Outlying Islands
- (877) 775-9400
- support@1examprep.com
- 1examprep.com
4.8
Excellent
98 reviews
No history of asking for reviews
This company hasn't invited their customers, so reviews may not be representative
Replied to 100% of negative reviews
Typically replies within 1 week
How this company uses Trustpilot
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Friendly and professional assistant
Carlos took his time explaining all the steps that I need to follow in the application and testing process for my Commercial license. He was friednly and professional.
23 April 2026
Unprompted review
Reply from 1examprep.com
Thank you for your feedback!
We’re glad to hear Carlos took the time to clearly walk you through the application and testing process for your commercial license. Making sure you understand each step—and feel confident moving forward—is exactly what we aim for.
We appreciate you recognizing his professionalism and friendly approach. We’ll be sure to share your kind words with him!
Thank you for choosing 1 Exam Prep—we’re here to support you all the way through your licensing journey.
Chris was great
Chris was great. Very knowledgeable and patient. Thank you Chris!!!
23 April 2026
Unprompted review
Reply from 1examprep.com
Thank you for the awesome feedback!
We’re glad to hear Chris was able to support you with his knowledge and patience—that’s exactly the experience we strive to provide. We’ll be sure to pass this along to him!
We appreciate you choosing 1 Exam Prep and look forward to helping you succeed every step of the way.
Carlos He very helpful person
22 April 2026
Unprompted review
Reply from 1examprep.com
Thank you for your feedback!
We’re glad to hear Carlos was so helpful—he truly cares about making sure every student feels supported and confident throughout the process.
We appreciate you choosing 1 Exam Prep and are here for you every step of the way.
Carlos Diaz was very helpful in…
Carlos Diaz was very helpful in explaining the whole onboarding process and it made everything very clear.
22 April 2026
Unprompted review
Reply from 1examprep.com
Thank you for your kind words!
We’re glad to hear that Carlos was able to clearly walk you through the onboarding process and make everything easy to understand. That’s exactly the experience we strive to provide for every contractor getting started with us.
We’ll be sure to pass your feedback along to Carlos—he’ll really appreciate it. If you need anything as you move forward, our team is always here to help!
Excellent guy with whole load of…
Excellent guy with whole load of information at his fingertips. He is experienced and knowledgable with a lot of common sense ideas.
22 April 2026
Unprompted review
Reply from 1examprep.com
Thank you for the great feedback!
We’re glad to hear you had such a positive experience and that the guidance you received was both knowledgeable and practical. We pride ourselves on providing real-world insight—not just information—so it’s great to know that came through.
We truly appreciate you taking the time to share this and look forward to supporting you throughout your journey!
Carlos Diaz Great Guy
Carlos Diaz, was great, answered all questions thoroughly as was able to reschedule the call when needed. Great to have on your team.
21 April 2026
Unprompted review
Reply from 1examprep.com
Thank you for the great review!
We’re glad to hear that Carlos was able to answer all your questions thoroughly and accommodate your schedule when needed—that flexibility and support are exactly what we aim to provide.
We couldn’t agree more—Carlos is a valuable part of our team, and we’ll be sure to share your feedback with him. We appreciate you choosing 1 Exam Prep and look forward to continuing to support you!
Chris answered all my questions and…
Chris answered all my questions and clearly explained the next steps, helping set me up for success in my studies and exams.
21 April 2026
Unprompted review
Reply from 1examprep.com
Thank you for your feedback!
We’re glad to hear Chris was able to answer all your questions and clearly walk you through the next steps. Setting you up with a clear path forward is exactly what we aim for.
We’ll be sure to pass this along to Chris—he’ll really appreciate it. Wishing you the best as you move forward with your studies and exams, and we’re here if you need anything along the way!
Chris was a great help he really helped…
Chris was a great help he really helped me understand the process
21 April 2026
Unprompted review
Reply from 1examprep.com
Thank you for your kind words!
We’re glad to hear that Chris was able to help you understand the process—that clarity is exactly what we aim to provide. Getting a solid understanding from the start makes a big difference.
We’ll be sure to share your feedback with Chris. We appreciate you choosing 1 Exam Prep and are here to support you every step of the way!
Carlos Diaz is great!
Great conversation with Mr. Carlos Diaz
He was professional, intelligent, patient, and overall a great person to guide me through the process. Couldn’t be happier thus far
20 April 2026
Unprompted review
Reply from 1examprep.com
Thank you for the fantastic review!
We’re glad to hear you had such a great experience with Carlos. His professionalism, patience, and ability to guide our students through the process are exactly what we strive for.
We’ll be sure to pass your kind words along to him—he’ll truly appreciate it. We’re excited to be part of your journey and look forward to supporting you every step of the way!
Carlos was very informative.
Carlos was very informative.
He presented an outline at the courses in an orderly fashion.
Carlos was clear explaining the goal of the course, passing the exam.
Carlos was open and provided his contact information for Support throughout the licensing process.
21 April 2026
Unprompted review
Reply from 1examprep.com
Thank you for the detailed feedback!
We’re glad to hear that Carlos provided a clear and organized overview of the courses and kept the focus on the ultimate goal—helping you pass your exam. It’s also great to know you felt supported, with direct access to him throughout your licensing journey.
We’ll be sure to share your kind words with Carlos. We appreciate you choosing 1 Exam Prep and look forward to being with you every step of the way!
Carlos was very informative and helpful…
Carlos was very informative and helpful with answering all my questions. He’s a great representative for 1 exam prep!
20 April 2026
Unprompted review
Reply from 1examprep.com
Thank you for the great feedback!
We’re glad to hear Carlos was informative and helpful in answering all your questions. He truly represents what we strive for at 1 Exam Prep—clear guidance, support, and a great experience from start to finish.
We’ll be sure to pass this along to him. We appreciate you choosing us and look forward to supporting you on your journey!
Chris really helped me a lot setting up…
Chris really helped me a lot setting up my business
20 April 2026
Unprompted review
Reply from 1examprep.com
Thank you for your feedback!
We’re glad to hear Chris was able to help you with setting up your business—that’s a huge step, and we’re proud to be part of it. Providing that kind of support is exactly what we’re here for.
We’ll be sure to share your kind words with Chris. Wishing you success as you move forward, and we’re here whenever you need us!
Chris has been a big help to navigate…
Chris has been a big help to navigate the whole process.
20 April 2026
Unprompted review
Reply from 1examprep.com
Thank you for your feedback!
We’re glad to hear that Chris has been a big help in navigating the entire process. At 1 Exam Prep, our goal is to make the journey as clear and smooth as possible, so it’s great to know that came through in your experience.
We’ll be sure to share your kind words with Chris. We appreciate you choosing 1 Exam Prep and look forward to supporting you every step of the way!
Carlos did a great job walking me…
Carlos did a great job walking me through the course and what to expect as I progress.
20 April 2026
Unprompted review
Reply from 1examprep.com
Thank you for the great feedback!
We’re glad to hear that Carlos did a great job walking you through the course and setting clear expectations for what’s ahead. At 1 Exam Prep, we focus on making sure you feel confident and prepared every step of the way.
We’ll be sure to share your kind words with Carlos. We appreciate you choosing 1 Exam Prep and look forward to supporting you throughout your journey!
Chris was very helpful and resourceful
Chris was very helpful and resourceful
17 April 2026
Unprompted review
Reply from 1examprep.com
Thank you for your feedback!
We’re glad to hear Chris was helpful and resourceful—that’s exactly the kind of support we strive to provide at 1 Exam Prep.
We’ll be sure to pass along your kind words to him. We appreciate you choosing 1 Exam Prep and are here to help you every step of the way!
Carlos Diaz
Carlos was informative and straight to point. Very welcoming as well. I feel I could reach out and receive a reply back quickly. Even after I forgot the previous meeting he rescheduled and was very understanding.
16 April 2026
Unprompted review
Reply from 1examprep.com
Thank you for the thoughtful feedback!
We’re glad to hear that Carlos was informative, straight to the point, and welcoming throughout your experience. Providing clear guidance while being approachable and responsive is exactly what we strive for at 1 Exam Prep. It’s also great to hear he was understanding and flexible with rescheduling—that level of support matters.
We’ll be sure to share your kind words with Carlos. We appreciate you choosing 1 Exam Prep and look forward to being part of your journey!
Great customer service!
I had my orientation conference with Chris and he was very helpful with explaining the entire process and next steps for my exam journey. Highly recommend this company to anyone looking for a seamless approach.
16 April 2026
Unprompted review
Reply from 1examprep.com
Thank you for the great review!
We’re glad to hear your orientation conference with Chris was helpful and that he clearly explained the entire process and next steps for your exam journey. That kind of clarity and guidance is exactly what we aim to deliver at 1 Exam Prep.
We truly appreciate your recommendation and are excited to support you every step of the way. If you need anything as you move forward, our team is always here to help!
Chris has 5 star service
16 April 2026
Unprompted review
Reply from 1examprep.com
Thank you for the awesome feedback!
We’re glad to hear Chris delivered 5-star service—that’s exactly the level of support we aim for at 1 Exam Prep. We’ll be sure to pass your kind words along to him.
We appreciate you choosing 1 Exam Prep and look forward to helping you succeed!
Carlos was extremely helpful and…
Carlos was extremely helpful and organized. Really helped me understand the direction I needed to go with being successful in the classes.
16 April 2026
Unprompted review
Reply from 1examprep.com
Thank you for the great feedback!
We’re glad to hear that Carlos was helpful and organized, and that he gave you clear direction on how to be successful in your classes. That kind of guidance is exactly what we strive to provide at 1 Exam Prep.
We’ll be sure to pass your kind words along to Carlos. We appreciate you choosing 1 Exam Prep and look forward to supporting you every step of the way!
Chris was really helpful in getting me…
Chris was really helpful in getting me information I needed and the course I needed to add to ensure I had all the resources I need to be able to study and pass my exam!
14 April 2026
Unprompted review
Reply from 1examprep.com
Thank you for the great review!
We’re glad to hear Chris was able to get you the information you needed and guide you to the right course so you have all the resources to study and pass your exam. That kind of support is exactly what we strive to provide at 1 Exam Prep.
We’ll be sure to share your feedback with Chris. We appreciate you choosing 1 Exam Prep and look forward to helping you succeed!
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