Tollgate House · List hygiene

Sending set up so it holds.

Small briefs are welcome and often more useful than large ones. A tightly defined audience of a few thousand usually outperforms an undefined one many times its size.

Field provenance

Keeping the origin and date of each value with the record instead of flattening it away on delivery.

Supply assessment

Saying plainly where the available data stops, including when it stops short of the brief.

File assembly

Records drawn together against those criteria, deduplicated, and checked for completeness.

Describe the brief in your own words; turning it into criteria is our side of it.
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