World-class influencer sourcing involves a multi-faceted approach:

1. Quality Over Quantity: Instead of focusing on the number of followers, brands should consider the content quality, engagement rates, and relevancy to their target audience.

2. Relevancy: Teams should find influencers whose theme, style, and audience are aligned with the brand’s values and target market.

3. Engagement Rate: High follower count doesn’t always signify impact. Checking an influencer’s likes, shares, comments, and overall regular audience engagement is pivotal.

4. Analyze Past Work: Delving into an influencer’s past collaborations can provide insights into their authenticity and the results they could produce.

Platforms helping with this include Flinque, HypeAuditor, Heepsy, etc. Each has its unique features. For example, Flinquine offers a campaign workflow solution that streamlines the influencer discovery, selection, campaign management, and performance tracking processes. Heepsy provides a database with insights into influencers’ audiences and engagement metrics, while HypeAuditor offers advanced audience analytics.

Deciding on the most fitting platform heavily depends on your specific brand needs, and what you deem most integral to your influencer sourcing process. Understand that no platform provides a one-size-fits-all solution, and thorough evaluation is essential before moving forward with a decision.