uk companies house history tracer — free browser tool | fatcousin | fatcousin

tools→browse every utility in one place.manifesto→why fatcousin exists — local-first, no uploads.forensics→case-organized forensics tools for power users.

disclaimer·acceptable use·grading rubric·manifesto

no warranty · outputs require independent verification · all processing happens on your device · this is not legal, forensic, medical, or financial advice

ready

local

// fatcousin · local process monitor

00:00:00

// session started —

// tool · uk-companies-house-history-tracer

// origin · —

// user agent · —

// verdict · files processed locally · verify by watching NET events below

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NET · no outbound requests · all processing local

this panel shows everything. if something looks wrong, it is wrong. that's the contract.

drop companies house filing history · trace ownership + filings · runs locally

[input]

drop regional export

csv · json · jsonl · multiple files · local only

Select file

companies house export · local only

[limits]

heuristic screener · vendor schema varies · not definitive proof

[status]

>ready