Go to Yell.com and search for the company you would like to review. Click the Write a Review button at the bottom of the page. Give your review a short title, select the number of stars and write your review. Finally, click Submit Review.
You will be asked to login to publish your review. If you don’t have an account with Yell, you can create one or choose to login with your Facebook or Google profiles.
Look at Yell’s Reviews Policy for more guidelines on how to write a review on Yell.com.