Lead Generation & List Building Expert — Contact Data Enrichment

We are seeking a detail-oriented freelancer to enrich an existing contact list in Google Sheets with verified mobile numbers, direct lines, and email addresses. Every entry must be supported by a reliable source — accuracy and data quality take priority over volume. Where a contact detail cannot be confidently verified, the field should be left blank rather than estimated. Deliverable A structured table containing the following columns: Company Name | First Name | Last Name | Position | Mobile Number | Direct Line | Telephone | Email | Website | LinkedIn Requirements Proven experience in list building, lead generation, and contact database management Strong online research skills and sound judgement in assessing source reliability Fluent English, well organised, and methodical in approach Full commitment to data quality and confidentiality