Home Business Processes List Building Opt-in Testing Affiliate Recruitment Copywriting Blogging Lead Building Social Media Joint Venture Recruitment Keywords Research Lead Building Lead building is a process of creating customer interest (sales leads) into your products or services and moving them along a funnel to convert into sales. Leads may come from various sources such as emails, social media, phone calls, referrals, telemarketing, advertisements, and many others. List purchases can also provide leads for your business. Generating high quality leads is an essential part of generating revenue for your business. Scientific Business provides cost-effective, tried and tested techniques in collecting leads that can be easily converted into sales.