Need formula to work when a filter is applied

Need formula to work with filter.

="Unique Names = "&SUMPRODUCT(--(FREQUENCY(MATCH(A3:A294,A3:A294,0),ROW(A3:A294)-ROW(A3)+1)>0))

Is there a way to make this formula work when a filter is applied?
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pls try as Array formula (Ctrl+Shift+Enter)
="Unique Names = "&SUM(IF(FREQUENCY(IF(SUBTOTAL(3,OFFSET(A3,ROW(A3:A294)-ROW(A3),,1)), IF(A3:A294<>"",MATCH("~"&A3:A294,A3:A294&"",0))),ROW(A3:A294)-ROW(A3)+1),1))

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ssblueAuthor Commented:
Perfect! Thanks!
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Microsoft Excel

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