Regulated advice should be the place to start. There are those that have done this that would now wish they had not and there are those that have benefitted greatly. The common denominator between both parties is likely to be the quality of the advice that they were given at the outset. If you’re an expat that has recently begun to consider this aspect of your finances and has made the decision that gathering information could potentially be beneficial if not educational at the very least then begin with getting proper advice. Pensions can be complex and understanding the nuances is key. You can read the full guide on my Pension Transfer Advice page.
