Alright is a perfectly acceptable and commonly used word according to Webster's dictionary. It's frequently used in business, something you clearly don't have a passing relationship with.
And I still think your screen name as T'wit is perfectly appropriate for someone who is clearly a first class Twit.
There you go again, making fun of people's screen names like a 5 year old. I have seen you do it many times. It is silly and shows desperation.
You needn't sink to the level of business English. Proper English, including correct spelling, will help assure your clients that you are careful with all the details of your business proposals. Conversely, sloppy English will convey to your clients a strong impression of sloppy thinking.