How can a customer leave me feedback?

There are a number of ways to get feedback and testimonials from customers and clients.

I have worked heavily in the Public Speaking industry for the past few years, i mention this because unlike some of the other industries I've worked with , here release so heavily on PR.

A few common ways are to use a rating section on your website to help for a wide cast net, or direct contact for more laser targeted approach. Typically if you pre frame the customer experience to end in a survey to acquire feedback you shouldn't have any issues.

If you do call me! I would love to help!

It'll be cool if you have more details about it :)

Are you a e-commerce, SaaS solution, service provider?

For each one, there're some approaches for it.

Besides, there's also the right moment to ask for it.

For example: If you sell products, you can use SurveyMonkey to ask for feedback some days after the user receives the product.

If you're a Saas solution, you can ask for feedback:

1-) Right after the user converts in your solution
2-) You can ask via call and ask for their permission to use.

It all depends from your solution and moment for using it :)

The answer really depends on what your client prefers, whether that's replying to a survey, posting on social media or chatting live on your site.

If you have a product you want their feedback on, try the Likert scale. The Likert Scale is best used to measure and evaluate customer sentiment on a specific product, service or experience.

Likert items that center around the same topic should be grouped together in your survey, creating what’s called a “single-topic” Likert scale.

The scale itself, regardless of whether it uses numeric or text labels, should be consistent on each item; this prevents confusion for your customers and simplifies the analysis of their answers for you.

The most valuable Likert item sets include additional questions that capture open-ended feedback to tell you more about why each customer chose the answer they did.

Here's how to use this scale to collect customer feedback: http://www.fieldboom.com/blog/likert-scale/.