Company Data Enrichment & Verification

I have a database of over 50,000 companies that needs to be thoroughly checked and enriched with additional information.

Your tasks will include:
- Using SpyFu to determine whether these companies are running Google Ads
- Investigating public information to assess their Financial Statements and identify company assets
- Utilizing the LinkedIn Company Profile Page to pinpoint decision makers and verify if the company still exists

Ideal skills and experience:
- Proficiency in data analysis and research
- Experience with SpyFu, LinkedIn and public financial databases
- Ability to efficiently handle large volumes of data
- Strong attention to detail and accuracy

Please note, data integrity is crucial for this task. Your meticulousness will directly impact the quality of the final deliverable.