[kulpreet]

I'm interested in knowing if there are any similar services.

[jpulgarin]

There are a few but I'm confident we have one of the lowest price points per word (if not the lowest). A google search for "proofreading service" turns up a few.

[dougunplugged]

I run http://www.ShinyEnglish.com for a smaller niche: cover letters.

[caffo]

http://www.serv.io/edit - 1.3c per word.

[KERNEL2]

http://mygengo.com/