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Fill the gaps in the list you already have

You have a list; it is missing fields. We fill in contacts, emails, LinkedIn profiles, phone numbers, firmographics, or custom fields, and flag what could not be found rather than guessing.

  • Clay
  • ContactOut
  • Apollo
  • ZoomInfo
  • Client-provided data
What you get back
Example

Domain

bramley.example

Added

Job title

Head of RevOps

Corrected

Work email

s.okafor@bramley.example

Verified

Direct phone

Not found

Flagged

What's included

Every project comes with

  • Fill rates per field

    For every field you asked for, the share of rows we could fill, so you know how complete the list is.

  • Not found is flagged

    Empty stays empty and is labelled. Nothing is invented to make a column look full.

  • Source noted per field

    Each enriched value carries a note on where it came from.

  • Your columns preserved

    Your original data stays as it was; new fields are added alongside it.

The deliverable

Fields we can add

list-enrichment.csv
Example layout
1Work emailPhone numberLinkedIn profileJob titleCompany domainEmployee rangeIndustryCustom fields you specify
Columns are agreed in your scope. Anything we cannot verify is flagged rather than filled in.

How it runs

From brief to delivery

  1. 1

    Send your list

    Your export, plus the fields you want added.

  2. 2

    Scope and quote

    We confirm which fields are realistically findable for your list, then quote.

  3. 3

    Enrich

    Each field is researched and format-checked. What cannot be found stays empty and flagged.

  4. 4

    Report and deliver

    Your original columns, the new fields, and fill rates for each one.

A good fit when

  • Lists from events, inbound forms, or old exports that are missing contact details
  • CRM records with blank fields your team needs
  • Lists you want to keep but cannot use yet

Questions

About this service

Something else? Ask us directly.

Yes. We deduplicate against it, clean and correct it, and enrich the fields you're missing, flagging rows that no longer meet your criteria instead of silently keeping them.

Other services

  • Targeted B2B lists

    A new list of companies and decision-makers built from scratch against your criteria. The project most clients start with.

  • Local business lists

    Location-based research for field sales, partnerships, and local services, built where B2B databases are thin.

  • List cleaning

    Deduplication, correction, and pruning of ageing lists, with a record of every change.

  • Custom research

    Criteria a database filter cannot express, scoped from a written brief and reviewed by hand on every row.

  • Agency fulfillment

    Ongoing list-building behind your agency, delivered under your process and timelines. Your clients see your brand.

  • Combine services

    Many projects mix two or three, such as a new list enriched with phone numbers.

Tell us who you need to reach.

Send a short brief. We'll come back with a scoped plan, a firm quote, and, if useful, a small sample before you commit.

A reply, usually within one business day
We come back with questions or a research plan.
A written scope and a firm quote
Criteria, sources, fields, timeline, and price are agreed before research starts.
A small sample, if it helps
Check the fit on a few rows before you commit to the full list.