Assuming there is no "vintage" element involved - that is there is nothing in terms of patina or other original parts you wish to preserve, then STS, Swatch or Simon Freese in the UK would probably be recommended. There is nothing to stop you contacting each one with your story and seeing what they reply with.
As with just about any process involving human intervention there is no absolute guarantee that the work will be done absolutely perfectly 100% of the time, but at least you have the backup that if there is a deficiency, these people will be in a position to put it right.
As for negative reviews, yes, they may be a cause for thought, but I always tend to remember the old adage "When we do right, nobody remembers. When we do wrong, nobody forgets." (apparently popularly linked with the Hell's Angels)
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