Is the length of this cover letter ideal?
Hi, Your cover letter is around the right length, perhaps a little on the long side. If awarded the job I would see how it could be more concise. I specialize in concise language!
Proposal:
For accurate, professional proofreading contact me now. I am available to start and will have your cover letter back to you quickly.
I will line edit and proofread for errors in syntax, word usage, grammar, spelling, punctuation, flow, and readability. I will also rewrite where needed.