Freelance Data Annotation & Research Assistant
I verified and annotated company-related data by manually checking and correcting information from public sources. I performed detailed company research to validate and update structured datasets in spreadsheets. I ensured data consistency and accuracy through thorough review and adherence to annotation guidelines. • Labeled and classified company attributes such as name, jurisdiction, website, and activity. • Used Excel and Google Sheets to structure, validate, and present data. • Identified and resolved incomplete or inconsistent data records. • Delivered high-quality results in a remote, task-based environment.