There are many medical dissertation writing service providers in the UK, and prices can vary greatly among them. You can find some providers that offer their services at a lower cost than others. However, it's important to keep in mind that the cheapest option may not always be the best option when it comes to quality of work.

It's important to research different providers and compare their prices, as well as their guarantees, reviews, and qualifications of their writers. You should also check if they offer any discounts or special promotions.

It is advisable to not only look at the cost but also the services they are providing and their credibility, as you want to make sure that you are getting quality work at a fair price.