There are a number of different people who offer to essay editing services, and most of these companies will offer a range of different features on their services to help you along the way. Most companies who offer this sort of service will give you a range of different options such as proofreading and editing, although some do specialize in only one particular area such as proofreading or grammar. It's a good idea to compare a company's features, because there's no point choosing a company with lots of great features if you don't need those features! Some of the features that a good personal statement editing services company will offer include proofreading your essay twice before sending it out for publication, editing the grammar and spelling in your essay, fixing any inconsistencies in your sentence structure and more.
There are a lot of different things that a good personal statement editing services company will be able to do for your essay, but it's up to you to decide whether you want to use their services. However, it's definitely worth considering using their services - after all, what's the worst that can happen? You've spent hours labouring on your essay, only to have it rejected, and you probably didn't want to submit it to the competition! If you're not too worried about losing your prize, then by all means take advantage of a personal statement editing services company, but just be sure that you do some extra research into the company before you hand over any money.