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The Invisible Edge based in the UK, I can vouch for. Their service over the channel is excellent. There are alternatives, I'm sure others will chip in.

Buy a vintage razor from a reputable dealer. The classifieds here are good and/or, if you're in Europe, there are other options. Get a razor that is ready to shave with. This is the starting point....

Read the Wiki, Razors not to buy. India/Pakistan are not a good idea. You need good steel, buy vintage if you're unwilling to support modern capitalist practices (they tend to be better/equal quality...