The professional who assembled 3 of my bookcases was excellent and very meticulous about his work.  He found a 4th bookcase was damaged in shipping. This was replaced, however, a new professional came to assemble and damaged two shelves by not putting nail in straight.  The company expedited replacement of this bookcase and it was assembled by a third technician.  On the whole, I find the Handy Assembly Service excellent, reasonably priced and well organized.