Compared this side-by-side with two competitors. Dedup pass only flagged 1.2% — cleanest dataset I've worked with. Bought it as the seed list for a smyths store locations united kingdom outbound push in United Kingdom. Money well spent.
Loaded the file the morning we got it. Address quality is the strongest column in the file. Bought it for United Kingdom's smyths store locations united kingdom segment specifically. Genuinely useful.