Most SEO companies out there have been involved in submitting and waiting on at least one reinclusion or reconsideration request with Google. Not to say that you had a client that was penalized by Google but maybe you had a new client that switch to you after being penalized and you had to 'clean up the mess.'
How long did it take you to get reincluded after submitting the reconsideration request with Google? If you submitted several of these requests and each took a different amount of time, do let us know. Here is a poll that I hope fills most possible answers. Please round to the nearest number and select all that apply:
Forum discussion at WebmasterWorld.