You will not work as a writer, but you also work as an editor and a publisher. For this you should make sure that your writing is very clear and concise. Then the thing you have to note is that you will spend adequate time in the process of editing. You have to meet many problems if you neglect to spend time for your writing. The biggest problem to face will be miscommunication. The person who is on the receiving end of the information that is the receiver will not understand what you want to convey them. They may get a big confusion because of spelling mistakes and a writing wordiness from your side.
Finally they drop the idea of working with your company. The assistance in the administration in responsible for those writing letters to understand and read it completely. If your writing needs are improved then what do you need further? You can take the help of online search engine, but it takes more time and you are also not confirmed that the ideas you get are all accurate. You may take the help from book but it is not necessary that you have to understand everything given in that book. Or you have to up grade your knowledge by taking any extra qualification or courses. No matter what you take to improve your writing skills but know that the admin assistance job is the hub of the company. You have to be perfect at your job.