Comprehensive Contact Sourcing for Australian Businesses

I need someone to gather detailed contact information for various Australian businesses in multiple sectors. This is a comprehensive task requiring attention to detail and accuracy.

Sectors include:
- Real Estate (Buyers Agents, Selling Agents, Project Marketing/Selling, Property Managers)
- Property Investment Marketers
- Mortgage Brokers
- Registered Tax Agents (Accountants)
- Lawyers & Solicitors
- Property Conveyancers
- Financial Planners
- Licensed Valuers
- Licensed Builders
- Building and/or Pest Inspectors
- Quantity Surveyors
- Property Developers
- Education & Research Providers
- Financial Lenders
- Banks

Requirements:
- Business name
- Contact person (decision maker)
- Email and phone number (direct)
- Social media profiles (priority: LinkedIn, then Instagram)
- Regulatory affiliations, if any

Deliverables:
- Separate Excel documents for each sector
- Accurate and comprehensive information

Ideal Skills and Experience:
- Proficient in research and data entry
- Attention to detail
- Experience with Excel
- Familiarity with LinkedIn and other social media platforms