"We will tell you how much your product fits customer needs." maybe... We will tell you where your product excels, and where it can be improved. "How much time

"We will tell you how much your product fits customer needs." maybe... We will tell you where your product excels, and where it can be improved. "How much time do you loose on unnecessary features?" - LOSE "Maybe huge part of your customers don't buy it because your product don't have some small feature. Don't worry. We will find out this." - We can identify scenarios in which some customers don't purchase a product for lack of a small feature. "Every change in your website is firstly tested with small count of people. And only when it's successful, we show this change for all your visitors. So you are safe." We test each change with a small portion of users, and show it to everyone only once we have used the data gathered to determine it is beneficial. "At the time when we will finish, even you will be astonished with the results and happily counting money you are going to earn every month, the job for you will not have been finished, because your goal is to grow, grow, grow!" - When we finish, you'll be astonished with the results. Your job isn't over yet, but you'll be well on the way to incredible revenue growth. "We understand this, so we will pass on to you all the infrastructure we will have been prepared. Even more, we will teach your team to continue our work with it and consistently have better and better results." - We understand that your business keeps moving even after we're done improving your website. We'll provide all the resources your team needs to ensure consistent growth, month after month, year after year. ....WHEW.... I did my best to try and give you some more natural/native English sounding copy here, hopefully this will be a good starting point!