Re: I just finished moving offices...
I used to work for 'IT relocation specialists', as they described themselves. One of the bigger companies in London, with a reputation for being better at the job than most.
The only differences between what you describe and getting professional movers to do the job are that you had to schlep the stuff yourselves, and that it all got to the right place, unbroken.
There seems to be a special brand of incompetence you get when you mix removals and IT. One time I had to stop them ordering thousands of sticky labels for a job - the ones which said DRHP IT (for Disaster Recovery High Priority, IT) were just about ok, but I had to change the Ordinary Priority ones to Normal Priority, because slapping DROP IT all over stuff you're moving isn't a great look.