How we build our estimates

Every range on this site is our estimate. This page says what goes into it and what stays out.

Not an appraisal. Ranges come from published listings and reported deals, with sources shown.

What goes in

How a range is built

Each record type has a base range. Company size sets where you land in it. Years of history and the volume you keep move it a little. For recordings and video, we multiply a rate per hour by the hours you keep. The low end of your total is your strongest single record type. The high end assumes you license every type you keep.

Three confidence grades

What we exclude

Customer and client records, protected health information, personnel files and material under a nondisclosure agreement stay out of every estimate and every deal. The rules behind this are on our sources page.

Why we do not link to buyers

We negotiate with them on your behalf, so we do not advertise for them. The price index cites only press articles, court records and filings.

How often we update

Monthly. Last updated .

What an estimate is not

An estimate is not an offer and not an appraisal. Only a buyer's written offer sets a price.

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